Nidek YC-1800 Ophthalmic YAG Laser - Service Manual PDF [PDF]

Citation preview

NIDEK OPHTHALMIC YAG LASER SYSTEM



Model YC-1800



SERVICE MANUAL



XYC16*RDA001A/E Total pages: 86 2005.9



NIDEK CO., LTD. (Manufacturer) NIDEK CO., LTD (Tokyo Office)



NIDEK INCORPORATED (United States Agent) NIDEK SOCIETE ANONYME (Authorized Representative)



: 34-14, Maehama, Hiroishi-cho, Gamagori, Aichi 443-0038, Japan Telephone: (0533) 67-6611 Facsimile: (0533) 67-6610 : 6th Floor, Takahashi Bldg., No.2, 3-chome, Kanda-jinboucho Chiyoda-ku, Tokyo 101-0051, Japan Telephone: (03) 3288-0571 Facsimile: (03) 3288-0570 Telex: 2226647 NIDEK J : 47651 Westinghouse Drive, Fremont, California 94539, U. S. A. Telephone: (510) 226-5700 Facsimile: (510) 226-5750 : Europarc 13, rue Auguste Perret, 94042 CRETEIL, France Telephone: (01) 49 80 97 97 Facsimile: (01) 49 80 32 08



Table of Contents



§1 §2



§3 §4



Page INTRODUCTIONS ...................................................................................................... 1-1 CAUTIONS ................................................................................................................... 2-1 2.1 General ..................................................................................................................... 2-1 2.2 During Service .......................................................................................................... 2-1 2.3 During Laser Emission .............................................................................................. 2-1 2.4 Handling the Laser .................................................................................................... 2-2 2.5 Adjustment ................................................................................................................ 2-2 2.6 Using the Energy Meter for the YAG laser ................................................................ 2-2 TROUBLESHOOTING ............................................................................................... 3-1 SUB TROUBLESHOOTING ...................................................................................... 4-1 4.1 The Pilot Lamp does not Light Up. ............................................................................ 4-1 4.2 Only the Fixation Lamp does not Light Up. ............................................................... 4-2 4.3 Only the Backlight Panel does not Light Up. ............................................................. 4-2 4.4 The Error Display Appears. ...................................................................................... 4-3 4.4.1 Error 1 appears. .............................................................................................. 4-3 4.4.2 Error 5 appears. .............................................................................................. 4-3 4.4.3 Error 7 appears. .............................................................................................. 4-4 4.4.4 Error 10 appears. ............................................................................................ 4-5 4.4.5 Error 12 appears. ............................................................................................ 4-5 4.4.6 Error 13 appears. ............................................................................................ 4-5 4.4.7 Error 14 appears. ............................................................................................ 4-6 4.4.8 Error 15 appears. ............................................................................................ 4-7 4.4.9 Error 30 appears. ............................................................................................ 4-7 4.4.10 Error 31 appears. .......................................................................................... 4-8 4.4.11 Error 50 appears. .......................................................................................... 4-8 4.4.12 Error 51 appears. .......................................................................................... 4-8 4.4.13 Error 52 appears. .......................................................................................... 4-9 4.4.14 Error 53 appears. ........................................................................................ 4-10 4.4.14.1 In the case of the hand switch ......................................................... 4-10 4.4.14.2 In the case of the foot switch .......................................................... 4-10 4.4.15 Error 54 appears. ........................................................................................ 4-11 4.4.16 Error 90 appears. ........................................................................................ 4-11 4.4.17 Error 91 appears. ........................................................................................ 4-11 4.4.18 Error 93 appears. ........................................................................................ 4-11 4.4.19 Error 94 appears. ........................................................................................ 4-11 4.5 The Illumination Light is not Projected. .................................................................. 4-12 4.6 The Focusing Rod Appears Moved when the PD is Changed. ................................ 4-12



Page 4.7 The Illumination Light is not in the Center of the Visual Field when the Magnification is 12.5×. ............................................................................ 4-13 4.8 The Focusing Rod cannot be Seen Clearly. ............................................................. 4-13 4.9 There are Some Spots in the Illumination Light. ..................................................... 4-13 4.10 The Illumination Light does not Go Out. ............................................................... 4-13 4.11 The Base does not Move Smoothly. ...................................................................... 4-14 4.12 The Base does not Go Up or Down Smoothly. ...................................................... 4-14 4.13 The Aiming Beam is not Emitted. .......................................................................... 4-15 4.14 The READY Indicator does not Light Up. ............................................................. 4-15 4.15 The Burn Pattern is not Aligned with the Aiming Beam. ....................................... 4-16 4.16 The Burn Pattern is Uneven. .................................................................................. 4-16 4.17 The Number of Pulses does not Change. ............................................................... 4-17 4.18 The COUTNER Display does not Return to 0. ...................................................... 4-17 4.19 The Energy Output Measured with the YAG Energy Meter is Abnormal. .............. 4-18 4.20 The YC-1800 does not Stop with the Emergency Stop Switch. ............................. 4-18



§5



§6



COVER REMOVEMENT ........................................................................................... 5-1 5.1 Right and Left Covers ............................................................................................... 5-1 5.2 Base Cover A ............................................................................................................ 5-1 5.3 Lower Cover ............................................................................................................. 5-1 5.4 Vertical Movement Cover ......................................................................................... 5-2 5.5 Base Cover C ............................................................................................................ 5-3 5.6 Removing the Arm Covers ........................................................................................ 5-4 PARTS REPLACEMENT ............................................................................................ 6-1 6.1 Boards ...................................................................................................................... 6-1 6.1.1 Master board ................................................................................................... 6-1 6.1.2 Relay board ..................................................................................................... 6-1 6.1.3 Power supply board ........................................................................................ 6-2 6.1.4 Hand switch board .......................................................................................... 6-2 6.2 Cable Assemblies ..................................................................................................... 6-3 6.2.1 YAG shutter ..................................................................................................... 6-3 6.2.2 Aiming shutter ................................................................................................. 6-4 6.2.3 Focus shift assy. .............................................................................................. 6-5 6.2.4 Energy monitor assy. ....................................................................................... 6-5 6.2.5 Energy motor assy. .......................................................................................... 6-6 6.2.6 Aiming LD assy. .............................................................................................. 6-6 6.2.7 Key switch assy. .............................................................................................. 6-7 6.2.8 Emergency switch assy. ................................................................................... 6-7 6.2.9 Illumination control assy. ................................................................................ 6-7



Page 6.2.10 Base plate assy. ............................................................................................. 6-8 6.3 Fixation Lamp (Green) .............................................................................................. 6-8 6.4 Energy Adjustment Assy. ........................................................................................... 6-9 6.5 YAG Shutter Assy. ..................................................................................................... 6-9 6.6 Focus Assy. ............................................................................................................. 6-10 6.7 D Mirror Assy. ........................................................................................................ 6-10 6.8 LD Assy. ................................................................................................................. 6-10 6.9 Aiming Shutter Assy. ............................................................................................... 6-11 6.10 Control Board Assy. .............................................................................................. 6-11 6.11 Display Panel Assy. .............................................................................................. 6-12 6.12 Microscope ........................................................................................................... 6-12 6.13 Middle Gear ......................................................................................................... 6-13 6.14 Wheel Shaft ........................................................................................................... 6-13 6.15 Vertical Movement Screw ..................................................................................... 6-14 6.16 Brake Lever .......................................................................................................... 6-14 6.17 Joystick ................................................................................................................. 6-14 6.18 Base Plate ............................................................................................................. 6-15 6.19 Head Rest ............................................................................................................. 6-15 6.20 Lamp House .......................................................................................................... 6-16 6.21 MYLA Laser Head ................................................................................................ 6-16 6.22 Slide Plate ............................................................................................................ 6-17 6.23 Rack ...................................................................................................................... 6-17 6.24 Pinion .................................................................................................................... 6-18 6.25 Gear A .................................................................................................................. 6-18 6.26 Gear B .................................................................................................................. 6-18



§7



ADJUSTMENT ............................................................................................................. 7-1 7.1 Microscope Optical Axis .......................................................................................... 7-1 7.1.1 Binocular microscope optical axis .................................................................. 7-1 7.1.2 Microscope visual field .................................................................................. 7-1 7.2 Illumination Rotation Center ..................................................................................... 7-2 7.3 Aiming Spots ............................................................................................................. 7-3 7.3.1 LD assy. ........................................................................................................... 7-3 7.3.2 Aiming spot focus ............................................................................................ 7-3 7.3.3 Aiming spot optical axis .................................................................................. 7-4 7.4 YAG Laser Optical Axis ........................................................................................... 7-5 7.4.1 Mirror holder 3 and YAG laser head ............................................................... 7-5 7.4.2 Focus assy. position ........................................................................................ 7-6 7.4.3 D mirror assy. .................................................................................................. 7-6 7.4.4 Focus adjustment ............................................................................................. 7-7



Page 7.4.5 Focus shift indication ...................................................................................... 7-8 7.5 Electric Adjustments ................................................................................................. 7-9 7.5.1 YAG laser wiring check ................................................................................... 7-9 7.5.2 Master board initial setting .............................................................................. 7-9 7.5.3 Aiming beam power output ............................................................................ 7-10 7.5.4 Agreement between the indicated and actual PFN voltages ........................... 7-11 7.5.5 PFN voltage ................................................................................................... 7-11 7.6 YAG Laser Beam Energy Output ............................................................................. 7-12 7.6.1 Maximum energy output ................................................................................. 7-12 7.6.2 Minimum energy output .................................................................................. 7-13 7.6.3 Energy Output Display ................................................................................... 7-13 7.6.3.1 Display when the energy output is 10 mJ and 1 mJ ............................ 7-13 7.6.3.2 Energy Output display and preset data setting .................................... 7-14 7.7 Energy Output Check ............................................................................................... 7-15 7.8 Air Plasma Check ................................................................................................... 7-15 7.9 Parameter Setting .................................................................................................... 7-15 7.10 Service Mode Indication ....................................................................................... 7-15 7.11 Output Adjustment Mode ....................................................................................... 7-15 7.12 Vertical Movement Base ....................................................................................... 7-16 7.13 Smart Switch Adjustment ...................................................................................... 7-16



§8



INFORMATION ........................................................................................................... 8-1 8.1 Wiring Diagram ........................................................................................................ 8-1 8.2 Connector Cable ....................................................................................................... 8-2 8.3 Appearance ............................................................................................................... 8-9 8.4 Error Message Table .............................................................................................. 8-11 8.5 Dip Switch Setting Table ........................................................................................ 8-11 8.6 Parameter Setting Tables ........................................................................................ 8-12



XYC16*RDA001A/E



§1 INTRODUCTION • This service manual is for the OPHTHALMIC YAG LASER SYSTEM YC-1800. • Be sure to use this manual after understanding the operator’s manual for the OPHTHALMIC YAG LASER SYSTEM YC-1800 thoroughly. • Refer to the OPHTHALMIC YAG LASER SYSTEM YC-1800 Operator’s Manual and Parts List. • Specifications are subject to change without notice for improvement. Refer to the Technical Bulletin for important changes. • In case the system can not be repaired according to the procedures described in this manual, please tell us the serial number of the system and details of the symptom or symptoms.



1-1



XYC16*RDA001A/E



1-2



XYC16*RDA001A/E



§2 CAUTIONS 2.1 General • Servicing should be performed by NIDEK service persons or other qualified personnel. • Perform all servicing according to the procedures described in this manual. Failure to do so may cause unexpected accident or malfunction. • Be sure to turn the power off during servicing unless there is an instruction to turn it on.



2.2 During Service • Take countermeasures against static electricity before the service. • If malfunction occurs, check the symptom and turn the power off. • Do not lose or drop removed parts inside the YC-1800. Prepare a case beforehand to store loose parts. • Take care not to bump the YC-1800. • Use suitable tools to screw or unscrew the screws. • Apply a threadlocking adhesive to the screws which have been loosened and tightened again. • If the YC-1800 produces smoke or strange odors, immediately turn off the system and disconnect the electrical plug from the outlet. Usage of the system under such abnormal conditions may cause fire or electric shock. • Do not perform servicing with wet hands. Doing so could cause electric shock or malfunction. • In §3 TROUBLESHOOTING, when checking a break in a cable, also check the following according to the wiring diagram and connector cable. 1. Proper connections and crimping 2. Proper contact by connecting and disconnecting connectors 3. Proper soldering * Do not yank the cables with excessive force. Doing so could cause breakage.



2.3 During Laser Emission • Never emit the laser beam directly on personnel or things.



2-1



XYC16*RDA001A/E



2.4 Handling the Laser Head • Never disassemble or repair the laser head. Return the laser head to NIDEK if the repair is necessary. NIDEK will not be responsible for accidents or malfunction cause by the YC-1800 repaired by other than NIDEK.



2.5 Adjustment • Adjust the YC-1800 on a vibration free, level, and stable surface. Failure to do so could prevent adjustment from being performed correctly. • Do not use adjustment jigs for other than the intended purpose. • Since the Nd:YAG laser used in the YC-1800 is an invisible infrared ray, improper operation may cause the hazardous exposure to radiation. • Never face to the laser beam aperture in the laser beam path. • Wear the safety goggles specified for the Nd:YAG laser. • Never gaze directly the Nd:YAG laser beam even when wearing the safety goggles. • Do not touch optical parts such as mirror or lens with bare hands. • Never expose the laser beam to your skin. • Take care not to receive electric shock when opening the cover to check or repair the electrical system. • The YAG laser uses the high voltage.



2.6 Using the Energy Meter for the YAG laser • Depending on the energy meter to be used, the necessity of the dispersion lens, which is attached to the objective lens at the time of energy measurement, is varied. Refer to the table below when measuring the energy. Energy meter



Dispersion lens



MODEL-365



Necessary



MODEL PHDX50



Unnecessary



• The detector of the energy meter may be damaged if the excessive energy density is applied to the photoreceptor of the detector. Maximize the spot size of the aiming beam on the photoreceptor as possible so that the YAG laser beam never come into focus on the photoreceptor.



2-2



XYC16*RDA001A/E



§3 TROUBLESHOOTING Plug the power cord to the wall outlet.



Does the pilot lamp light up?



No



4.1 The pilot lamp does not light up.



Yes



Insert the key and turn it to the ON position.



Do the fixation lamp and backlight panel light up?



No



4.2 Only the fixation lamp does not light up. 4.3 Only the backlight panel does not light up.



Yes



Does an error display appear?



Yes



4.4 The error display appears.



No



Remove the hole cap and insert the focusing rod. Is the illumination light projected on the rod?



No



4.5 The illumination light is not projected.



Yes



Adjust the diopter of the eyepieces.



Adjust the pupil distance (PD) of the microscope.



Is the optical system of the microscope normal?



No



Yes



Is the illumination condition normal?



No



Yes



3-1



4.6 The focusing rod appears moved when the PD is changed. 4.7 The illumination light is not in the center of the visual field when the magnification is 12.5x. 4.8 The focusing rod can not be seen clearly.



4.9 There are some spots in the illumination light.



XYC16*RDA001A/E



Does turning fully the illumination control No counterclockwise turn off the illumination light?



4.10 The illumination light does not go out.



Ｙes



Does the slit lamp function normally?



No



4.11 The base does not move smoothly. 4.12 The base does not go up or down smoothly.



Yes



Reduce the light amount of the slit lamp.



Is the aiming beam visible?



No



4.13 The aiming beam is not emitted.



Yes



Does pressing the STATUS switch turn off the No STANDBY indicator and turn on the READY indicator? Yes Does pressing the trigger switch emit the YAG laser No beam normally? Yes



Does pressing the burst switch change the number of No pulses?



4.14 The READY indicator does not light up.



4.4 The error display appears. 4.15 The burn pattern is not aligned with the aiming beam. 4.16 The burn pattern is uneven.



4.17 The number of pulses does not change.



Yes



Does the pressing the reset switch resets the No COUNTER display to 0?



4.18 The COUNTER display does not return to 0.



Yes



Is the emitted YAG laser beam energy normal?



No



Yes



3-2



4.19 The energy output measured with the YAG energy meter is abnormal.



XYC16*RDA001A/E



Does the pressing the emergency stop switch stop No the YC-1800? Yes



Turn the key switch to the OFF position and remove it.



End



3-3



4.20 The YC-1800 does not stop with the emergency stop switch.



XYC16*RDA001A/E



3-4



XYC16*RDA001A/E



§4 SUB TROUBLESHOOTING 4.1 The Pilot Lamp does not Light Up. Is the required voltage applied to the wall outlet?



No



Secured the required voltage.



Yes



Is the voltage between the P10 (J10) 1st and 2nd pins on No the switching power supply (13704-E020) DC + 12 V?



Replace the switching power supply.



Yes



Is the voltage between the J20 1st and 3rd and 2nd and 4th No pins on the base plate assy. (13706-EA17) DC + 12 V? Yes



Is the voltage between the P401 (J401) 1st and 3rd and No 2nd and 4th pins on the relay board (13706-BA04) DC + 12 V? Yes



Is the voltage between the J403 4th and 5th pins on the No relay board DC + 2.0 V? Yes



Replace the key switch assy. (13706-EA11). (Refer to 6.2.7.)



4-1



Replace the base plate assy. (Refer to 6.2.10.)



Replace the cable assy. (13706-EA16).



Replace the relay board. (Refer to 6.1.2.)



XYC16*RDA001A/E



4.2 Only the Fixation Lamp does not Light Up. Is the voltage between the P113 (J113) 10th and 13th No pins on the master board (13706-BA01) DC + 12 V?



Replace the master board. (Refer to 6.1.1.)



Yes



Is the voltage between the P20 12th and 15th pins on No the cable assy. (13706-EA16) DC + 12 V?



Replace or repair the cable assy.



Yes



Is the voltage between the J40 1st and 2nd pins on the No base plate assy. (13706-EA17) DC + 12 V?



Replace the base plate assy. (Refer to 6.2.10.)



Yes



Are there any breaks between the following connectors in the head rest assy. (13706-EA14)? No P40 JP1 1st pin - 1st pin (resistance: about 1.2 KΩ) 2nd pin - 2nd pin (continuity)



Repair the head rest assy. or replace the head rest (13706-4100). (Refer to 6.19.)



Yes



Replace the green fixation lamp (34405-0000). (Refer to 6.3.)



4.3 Only the Backlight Panel does not Light Up. Is the voltage between the J101 16th and 18th and 17th and No 19th pins on the master board (13706-BA01) DC + 5 V?



Replace the master board. (Refer to 6.1.1.)



Yes



Is there a break in the flexible flat cable (13706-E020)?



Yes



No



Replace the display panel assy. (13706-1400). (Refer to 6.11.)



4-2



Replace the flexible flat cable.



XYC16*RDA001A/E



4.4 The Error Display Appears. 4.4.1 Error 1 appears. Turn the key switch to the OFF position and remove the right and left covers. Let the YC-1800 sit for 30 minutes to cool it down.



Is the voltage between the J105 1st pin and GND on No the master board (13706-BA01) DC + 12 V when the key switch is turned to the ON position.?



Replace the master board. (Refer to 6.1.1.)



Yes



Return the YC-1800 to the factory.



4.4.2 Error 5 appears. Is the voltage between the P103 (J103) 1st and 2nd No pins on the master board (13706-BA01) DC + 12 V when the YC-1800 is in READY?



Replace the master board. (Refer to 6.1.1.)



Yes



Does the solenoid of the YAG shutter function when No the YC-1800 is in READY?



Replace the YAG shutter assy. (13706-EA03). (Refer to 6.2.1.)



Yes



Is the voltage between the P103 (J103) 3rd and 7th and Yes 4th and 7th pins on the master board DC + 0 V or 5 V?



Replace the YAG shutter assy. (Refer to 6.2.1.)



No



Is the voltage of P103 (J103) on the master board as follows when the YAG shutter functions? Shutter opened: 0 V between 5th and 7th pins, 5 V No between 6th and 7th pins Shutter closed: 5 V between 5th and 7th pins, 0 V between 6th and 7th pins Yes



Replace the master board. (Refer to 6.1.1.)



4-3



Replace or adjust the YAG shutter assy. (Refer to 6.2.1.)



XYC16*RDA001A/E



4.4.3 Error 7 appears. Is the voltage between the P104 (J104) 1st and 2nd No pins on the master board (13706-BA01) DC + 12 V when the YC-1800 is in READY?



Replace the master board. (Refer to 6.1.1.)



Yes



Does the solenoid of the aiming shutter function when No the YC-1800 is in READY?



Replace the aiming shutter (13706-EA04). (Refer to 6.2.2.)



Yes



Is the voltage between the P104 (J104) 3rd and 5th and Yes 6th and 5th pins on the master board DC + 0 V or 5 V?



Replace the aiming shutter. (Refer to 6.2.2.)



No



Is the voltage of P104 (J104) on the master board as follows when the aiming shutter functions? Shutter opened: 0 V between 4th and 5th pins, 5 V No between 7th and 5th pins Shutter closed: 5 V between 4th and 5th pins, 0 V between 7th and 5th pins Yes



Replace the master board. (Refer to 6.1.1.)



4-4



Replace or adjust the aiming shutter. (Refer to 6.2.2.)



XYC16*RDA001A/E



4.4.4 Error 10 appears. Set DIP SW1-7 on the display board (13704-BA02) to the OFF (upper) position. The number of pulses appears on the COUNTER display.



Emit ten shots of the YAG laser beam.



Is 4 (number of pulses) displayed on the COUNTER Yes display in eight or more of ten shots?



Replace the master board (13706-BA01). (Refer to 6.1.1.)



No



Adjust the PFN voltage. (Refer to 7.5.4 and 7.5.5.)



Does Error10 occur?



Yes



Replace the MYLA laser head (13739-0000). (Refer to 6.21.)



No



End



4.4.5 Error 12 appears. Replace the power supply board (13733-BA01). (Refer to 6.1.3.)



4.4.6 Error 13 appears. Use the YC-1800 away from the instruments which may make noises.



4-5



XYC16*RDA001A/E



4.4.7 Error 14 appears. Does the flash lamp light up in the trigger switch on Yes or test fire?



Replace the master board (13706-BA01). (Refer to 6.1.1.)



No



Is the PFN voltage normal?



No



Adjust the PFN voltage. (Refer to 7.5.4 and 7.5.5.)



Yes



Is there a break in the YL board assy. (13706- Yes EA05)?



Replace the YL board assy.



No



Is the TP3 (TRIG OUT) signal of the power supply No board (13733-BA01) normal when the trigger is on?



Replace the master board. (Refer to 6.1.1.)



Yes



Is there a break in the YL cable assy. (13706- Yes EA06)?



Replace the YL cable assy.



No



Replace the power supply board. (Refer to 6.1.3.)



Is the error resolved?



No



Yes



End



4-6



Replace the MYLA laser head (13739-0000). (Refer to 6.21.)



XYC16*RDA001A/E



4.4.8 Error 15 appears. Replace the energy monitor assy. (13706-EA08). (Refer to 6.2.4.)



Is the error resolved?



No



Replace the master board (13706-BA01). (Refer to 6.1.1.)



Yes



End



4.4.9 Error 30 appears. Is there a break in the YL board assy (13706-EA05)?



Yes



Replace the YL board assy.



No



Is the voltage between the P107 (J107) 6th and 7th No pins on the master board (13706-BA01) 0 V when the trigger switch is pressed?



Replace the master board. (Refer to 6.1.1.)



Yes



Is the voltage between TP5 and GND on the power No supply board (13733-BA01) DC + 12 V when the trigger switch is pressed?



Replace the power supply board. (Refer to 6.1.3.)



Yes



Is the voltage between TP4 and GND on the power No supply board DC + 5 V when the trigger switch is pressed? Yes



Replace the master board. (Refer to 6.1.1.)



4-7



Replace the power supply board. (Refer to 6.1.3.)



XYC16*RDA001A/E



4.4.10 Error 31 appears. Is there a break in the YL board assy. (13706- Yes EA05)?



Replace the YL board assy.



No



Compare the PFN voltage setting value of Parameter 10 with the PFN voltage setting value (between the J2 1st (+) and 5th (-) pins on the power supply Yes board). Is the difference within 20 V? Be aware that the voltage becomes 440 ± 10 V at maximum.



Replace the master board (13706-BA01). (Refer to 6.1.1.)



No



Replace the power supply board (13733-BA01). (Refer to 6.1.3.)



4.4.11 Error 50 appears. Replace the energy monitor assy. (13706-EA08). (Refer to 6.2.4.)



Is the error resolved?



No



Replace the master board (13706-BA01). (Refer to 6.1.1.)



Yes



End



4.4.12 Error 51 appears. Is the TP3 voltage on the master board between 0.2 Yes V (min) and 4.5 V (max) when the energy control is turned? No



Replace the energy monitor assy. (13706-EA08). (Refer to 6.2.4.)



4-8



Replace the master board (13706-BA01). (Refer to 6.1.1.)



XYC16*RDA001A/E



4.4.13 Error 52 appears. Is the TP4 voltage on the master board between Yes about 0.5 V (ANT500) and 4.5 V (POST500) when the focus shift control is turned? No



Replace the focus shift assy. (13706-EA07). (Refer to 6.2.3.)



4-9



Replace the master board (13706-BA01). (Refer to 6.1.1.)



XYC16*RDA001A/E



4.4.14 Error 53 appears. 4.4.14.1 In the case of the hand switch Is the voltage between the P102 (J102) 1st pin and No GND on the master board (13706-BA01) DC + 12 V?



Replace the master board. (Refer to 6.1.1.)



Yes



Is there a break in the hand switch relay (13706- Yes EA01)?



Replace the hand switch relay.



No



Is the voltage between P102 (J102) 2nd (or 3rd) pin No and GND on the master board DC + 12 V when the hand switch is pressed?



Replace the hand switch board (13706-BA07). (Refer to 6.1.4.)



Yes



Replace the master board. (Refer to 6.1.1.)



4.4.14.2 In the case of the foot switch Is there continuity between the 1st and 2nd and 2nd No and 3rd pins of the foot switch connector when the foot switch is on?



Replace the foot switch (FB-10).



Yes



Is there a break in the base plate assy. (13706- Yes EA17)?



Replace the base plate assy. (Refer to 6.2.10.)



No



Is there a break in the cable assy. (13706-EA16)?



Yes



No



Replace the master board (13706-BA01). (Refer to 6.1.1.)



4 - 10



Replace the cable assy.



XYC16*RDA001A/E



4.4.15 Error 54 appears. Is there a break in the energy monitor assy. (13706- Yes EA08)?



Replace the energy monitor assy. (Refer to 6.2.4.)



No



Does the waveform between the P110 (J110) 6th pin and GND on the master board (13706-BA01) change No in order of Low, High, and Low when the hand switch is pressed? (High: DC + 5 V, Low: DC 0 V) Yes



Replace the energy monitor assy. (Refer to 6.2.4.)



4.4.16 Error 90 appears. Replace the master board (13706-BA01). (Refer to 6.1.1.)



4.4.17 Error 91 appears. Cancel the error and enter the data again.



4.4.18 Error 93 appears. Cancel the error and enter the data again.



4.4.19 Error 94 appears. Replace the master board (13706-BA01). (Refer to 6.1.1.)



4 - 11



Replace the master board. (Refer to 6.1.1.)



XYC16*RDA001A/E



4.5 The Illumination Light is not Projected. Is the illumination light projected by turning the Yes illumination control clockwise?



End



No



Is the illumination lamp (34530-E003) blown?



Yes



Replace the illumination lamp.



No



Is the voltage between the P405 (J405) 3rd and 4th No pins on the relay board (13706-BA04) DC 0 V when the illumination control is turned?



Replace the illumination control assy. (13706EA13). (Refer to 6.2.9.)



Yes



Disconnect P405 (J405) on the relay board. Turn the illumination control. At this time, does the resistance No b etwee n the P 405 1st and 2n d pin s on the illumination control assy. change?



Replace the illumination control assy. (Refer to 6.2.9.)



Yes



Does the voltage between TP1 and GND on the No relay board change in the range from DC 0 V to 6 V when the illumination control is turned?



Replace the relay board. (Refer to 6.1.2.)



Yes



Is there a poor contact in the contact pins of P406 in Yes the lamp house (13706-5100)?



Repair P406 in the lamp house.



No



Replace the lamp house. (Refer to 6.20.)



4.6 The Focusing Rod Appears Moved when the PD is Changed. Change the pupil distance while looking through the binocular tube for each eye. When the illumination light shifts from the center of the visual field through the eyepiece, adjust the optical axis of the binocular microscope. (See 7.1.1.)



4 - 12



XYC16*RDA001A/E



4.7 The Illumination Light is not in the Center of the Visual Field when the Magnification is 12.5×. Adjust the optical axis of the microscope. (Refer to 7.1.)



4.8 The Focusing Rod cannot be Seen Clearly. Can the focus be adjusted by turning the diopter Yes adjustment of eyepiece for each eye?



Wipe the objective lenses and eyepieces with the mixed solvent of alcohol.



No



Replace the eyepieces.



4.9 There are Some Spots in the Illumination Light. Return the YC-1800 to the factory.



4.10 The Illumination Light does not Go Out. Is the voltage between the P405 (J405) 3rd and 4th pins No on the relay board (13706-BA04) DC + 12 V when the illumination control is turned fully counterclockwise? Yes



Replace the relay board. (Refer to 6.1.2.)



4 - 13



Replace the illumination control assy. (13706EA13). (Refer to 6.2.9.)



XYC16*RDA001A/E



4.11 The Base does not Move Smoothly. Is the slide plate (13704-M373) dirty?



Yes



Clean the slide plate.



No



Is the slide plate broken?



Yes



Replace the slide plate. (Refer to 6.22.)



No



Is the rack (34348-M009) broken?



Yes



Replace the rack. (Refer to 6.23.)



No



Is the pinion (32903-M138) broken?



Yes



Replace the pinion. (Refer to 6.24.)



No



Replace the wheel shaft (13706-3120). (Refer to 6.14.)



4.12 The Base does not Go Up or Down Smoothly. Is gear A (13704-M304) broken?



Yes



Replace gear A. (Refer to 6.25.)



No



Is the middle gear (13704-M320) in the middle gear Yes assy. (13704-3020) broken?



Replace the middle gear. (Refer to 6.13.)



No



Is gear B (13706-M312) in the vertical movement Yes screw (13706-3130) broken? No



Adjust the vertical movement base. (Refer to 7.12.)



4 - 14



Replace gear B. (Refer to 6.26.)



XYC16*RDA001A/E



4.13 The Aiming Beam is not Emitted. Does the aiming off indicator light up?



Yes



Pressing the aiming switch lights up the aiming beam.



No



Can the voltage between TP12 and GND on the No master board (13706-BA01) adjusted in the range from DC 0 V to 1.2 V?



Replace the master board. (Refer to 6.1.1.)



Yes



It the aiming beam emitted when the voltage No between TP12 and GND on the master board?



Replace the aiming LD assy. (13706-EA10). (Refer to 6.2.6.)



Yes



Adjust the aiming beam power output. (Refer to 7.5.3.)



4.14 The READY Indicator does not Light Up. Does the aiming off indicator light up?



Yes



Pressing the aiming switch lights up the aiming beam.



No



Wipe the side without the blue mark of the flexible flat cable (13706-E020) with alcohol.



Is the trouble resolved?



Yes



END



No



Replace the display panel assy. (13706-1400). (Refer to 6.11.)



Is the trouble resolved?



No



Yes



END



4 - 15



Replace the master board (13706-BA01). (Refer to 6.1.1.)



XYC16*RDA001A/E



4.15 The Burn Pattern is not Aligned with the Aiming Beam. Adjust the optical axis of the YAG laser beam. (Refer to 7.4.)



4.16 The Burn Pattern is Uneven. Be sure to tape up a burn paper so that the optical system is not grimed with soot. Is the burn pattern uneven at the front of the beam No expander (expander assy.)? (D in the figure below)



Blow off the dirt on the beam expander with the blower.



Yes



Is the burn pattern uneven at the front of the dichroic No mirror (D mirror assy.)? (C in the figure below)



Blow off the dirt on the dichroic mirror with the blower.



Yes



Is the burn pattern uneven at the front of the mirror No (mirror holder 3)? (B in the figure below)



Blow off the dirt on the mirror with the blower.



Yes



Is the burn pattern uneven between the MYLA laser No head and energy control assy? (A in the figure below)



Blow off the dirt on the energy control assy. with the blower.



Yes



Replace the power supply board and MYLA laser head unit. (Refer to 6.1.3 and 6.21.)



# & $ %



4 - 16



XYC16*RDA001A/E



4.17 The Number of Pulses does not Change. Wipe the side without the blue mark of the flexible flat cable (13706-E020) with alcohol.



Can the number of pulses set?



Yes



End



No



Replace the display panel assy. (13706-1400). (Refer to 6.11.)



Can the number of pulses set?



No



Replace the master board (13706-BA01). (Refer to 6.1.1.)



Yes



End



4.18 The COUTNER Display does not Return to 0. Wipe the side without the blue mark of the flexible flat cable (13706-E020) with alcohol.



Can the number on the COUNTER display become 0?



Yes



End



No



Replace the display panel assy. (13706-1400). (Refer to 6.11.)



Can the number on the COUNTER display become 0?



No



Yes



End



4 - 17



Replace the master board (13706-BA01). (Refer to 6.1.1.)



XYC16*RDA001A/E



4.19 The Energy Output Measured with the YAG Energy Meter is Abnormal. Adjust the YAG laser energy output. (Refer to 7.6.)



Is the trouble resolved?



No



Replace the power supply board (13733-BA01) and MYLA laser head. (Refer to 6.1.3 and 6.21.)



Yes



End



4.20 The YC-1800 does not Stop with the Emergency Stop Switch. Disconnect P404 (J4) on the relay board (13706BA04).



Does the continuity status between the P404 1st and 2nd pins on the emergency switch assy. (13706No EA12) become as follows? When it is pressed: No continuity When it is released: Continuity Yes



Replace the relay board. (Refer to 6.1.2.)



4 - 18



Replace the emergency switch assy. (Refer to 6.2.8.)



XYC16*RDA001A/E



§5 COVER REMOVEMENT 5.1 Right and Left Covers 1. Loosen SB3 × 53 (shown with the arrows in the right figure) with a hexagonal wrench. 2. Remove the left cover (13706-M004). 3. Remove the right cover (13706-M003) in the same manner. 







5.2 Base Cover A 1. Unscrew CK2.8 × 62. 



%-˜



2. Remove base cover A (13706-M321).







5.3 Lower Cover 1. Unscrew CK2.6 × 42. 2. Remove the lower cover (13706-M007).











%-˜



5-1



XYC16*RDA001A/E



5.4 Vertical Movement Cover 1. Remove base cover A (13706-M321). (Refer to 5.2.)







2. Unscrew SB3 × 62 and rotate base cover C  (13706-M323) together with the cover mount 5$˜ (13706-M303). 3. Pull the brake lever to the operator’s side.







 %-˜ 4. Unscrew CK2 × 42 to remove the vertical  movement cover (13706-M332).



5-2



XYC16*RDA001A/E



5.5 Base Cover C 1. Remove base cover A (13706-M321). (Refer to 5.2.)







5$˜







2. Remove the vertical movement cover (13706M332). (Refer to 5.4.) 3. Remove P404 (J4) and P405 (J5) on the relay board (13706-BA04). 4. Remove base cover C (13706-M323) together with the cover mount (13706M303). 5. Remove the cover (13706-M318).



 &



'#



 $







6. Remove the control cap (82046-0703D). 7. Remove the control (82045-0912B). 8. Unscrew PT2 × 52 to remove the cover mount.







9. Remove the emergency switch assy. (13706EA12).



 



26˜



5-3



XYC16*RDA001A/E



5.6 Removing the Arm Covers







%-˜







1. Rotate the lamp house (13706-5100). 2. Unscrew CK2 × 52 to remove the left arm cover (13706-M005) and right one (13706M006).



5-4







XYC16*RDA001A/E



§6 PARTS REPLACEMENT 6.1 Boards 6.1.1 Master board Replacement part: 13706-BA01 1. Remove the right cover (13706-M003). (Refer to 5.1.) 2. Disconnect all connectors from the master board (13706-BA01). 3. Unscrew PC3 × 8 4 to remove the master board. 4. Remove the spacers (13611-M076). 5. Replace the master board. 6. Reassemble all parts in reverse order. Mount the EEPROM attached to the old master board on the new one. 7. Adjust the following. 1) Adjust the aiming beam power output. (Refer to 7.5.3.) 2) Adjust the PFN voltage. (Refer to 7.5.5.) 3) Adjust the YAG laser beam energy output. (Refer to 7.6.)



6.1.2 Relay board Replacement part: 13706-BA04 1. Remove the vertical movement cover. (Refer $# to 5.4.) 2. Disconnect all connectors from the relay board (13706-BA04). 3. Unscrew PC3 × 5 to remove TR1 on the relay board.  4. Unscrew PC3 × 54 to remove the relay board. 2%˜ 5. Replace the relay board. 6. Reassemble all parts in reverse order.



6-1



$# 











69  2%˜



XYC16*RDA001A/E



6.1.3 Power supply board Replacement part: 13733-BA01 1. Remove the arm covers. (Refer to 5.6.) 2. Disconnect all connectors from the power supply board (13733-BA01). 3. Unscrew PC3 × 64 to remove the power supply board. 4. Replace the power supply board. 5. Reassemble all parts in reverse order. 6. Adjust the actual PFN voltage. (Refer to 7.5.4.)



2%˜







$# 



2%˜



6.1.4 Hand switch board Replacement part: 13706-BA07 1. Turn the top of the grip (13706-M360). 2. Loosen HH3 × 3, rotate the grip (13706M354), and unscrew FK2 × 43. 3. Remove the trigger switch (13706-3210).















(-˜



 **˜



4. Unscrew CK2 × 123 to remove the hand switch board (13706-BA07). 5. Remove the cables soldered to the hand switch board with a soldering iron. 6. Replace the hand switch board. 7. Reassemble all parts in reverse order. 8. Adjust the smart switch. (Refer to 7.13.)



6-2







%-˜



$#



XYC16*RDA001A/E



6.2 Cable Assemblies 6.2.1 YAG shutter Replacement part: 13706-EA03 1. Unscrew SB3 × 5 to remove the YAG shutter assy. (13706-1120). (Refer to 6.5.) 2. Unscrew HH3 × 32 to remove the shutter plate (13706-M116). 3. Unscrew 1N2.62 and SW2.62 to remove the YAG shutter (13706-EA03). 4. Unscrew CK2 × 32 to remove the YAG shutter. 5. Replace the YAG shutter. 6. Reassemble all parts in reverse order.







%-˜



'#



 







59







0



 







**˜







7. After reassembling the YAG shutter, adjust its sensor position so that the shutter plate (13706-M116) is as shown in the right figures.



Not shielded



Shielded



Shielded



Not shielded







When the shutter closes



6-3



When the shutter opens



XYC16*RDA001A/E



6.2.2 Aiming shutter Replacement part: 13706-EA04 1. Unscrew SB3 × 5 2 to remove the aiming shutter assy. (13706-1220). (Refer to 6.9.) 2. Uncrew PC2 × 3 2 to remove the sensor together with the board mounting plate (13706-M126).  3. Unscrew CK2 × 32 to remove the sensor of %-˜ **˜ the aiming shutter (13706-EA04). 4. Loosen HH3 × 3 to remove the shaft (13706 M124). 59 2 2 5. Unscrew CK2 × 3 and SW2 to remove the solenoid of the aiming shutter.  6. Replace the aiming shutter. 7. Reassemble all parts in reverse order.







'#







%-˜



 



2%˜



8. After reassembling the aiming shutter, adjust its sensor and solenoid positions so that the shutter plate (13706-M125) is as shown in the right figures.



Not shielded



'#



 Shielded



Shielded



12'0



6-4



'#







Not shielded



%.15'



XYC16*RDA001A/E



6.2.3 Focus shift assy. Replacement part: 13706-EA07 1. Remove the right cover (13706-M003) and left cover (13706-M004). (Refer to 5.1.) 2. Disconnect P109 (J9) from the master board (13706-BA01). 3. Unscrew HH3 × 32 and nut attached to 13706EA07 to remove the focus shift assy. (13706EA07). 4. Replace the focus shift assy. 5. Reassemble all parts in reverse order. 6. Adjust the focus shift indication. (Refer to 7.4.5.)



'#







**˜







6.2.4 Energy monitor assy. Replacement part: 13706-EA08 1. Remove the right cover (13706-M003) and left cover (13706-M004). (Refer to 5.1.) 2. U n s c r e w S B 2 × 4 2 t o r e m o v e t h e potentiometer of the energy monitor assy. (13706-EA08) together with the bearing (13706-M103). 3. Unscrew HH3 × 3 to remove the screw gear (13702-M063). 4. Remove the attached nut and potentiometer of the energy monitor assy. 5. Unscrew CK2 × 42 to remove the energy monitor assy. 6. Replace the the energy monitor assy. 7. Reassemble all parts in reverse order. 8. Set the energy output display and preset data. (Refer to 7.6.3.2.)



6-5



**˜











'# 



%-˜



'#







5$˜



XYC16*RDA001A/E



6.2.5 Energy motor assy. Replacement part: 13706-EA09 1. Remove the right cover (13706-M003) and left cover (13706-M004). (Refer to 5.1.) 2. Disconnect P111 (J111) on the master board (13706-BA01). 3. Unscrew SB2 × 8 2 to remove the energy motor assy. (13706-EA09) together with the spacer collar (13706-M105). 4. Loosen HH2 × 3 to remove the screw gear (13706-M110) together with the shaft (13706M109). 5. Replace the energy motor assy. 6. Reassemble all parts in reverse order. 7. Set the energy output display and preset data. (Refer to 7.6.3.2.)



 **˜







5$˜



'#







6.2.6 Aiming LD assy. Replacement part: 13706-EA10 1. Remove the LD assy. (13706-1210). (Refer to 6.8.) 2. Unscrew CK2 × 62 to remove the LD clamp plate (13706-M121). 3. Disconnect the pin of P112 on the aiming LD assy. (13706-EA10) from the connector housing. 4. Remove the O ring (82001-RG003) and aiming LD assy. from the LD holder (13706M120). 5. Replace the aiming LD assy. 6. Reassemble all parts in reverse order. 7. Adjust the aiming spots. (Refer to 7.3.)



6-6







'#  



%-˜



 4)







XYC16*RDA001A/E



6.2.7 Key switch assy. Replacement part: 13706-EA11 1. Remove the vertical movement cover (13706M332). (Refer to 5.4.) 2. Disconnect P403 (J3) on the relay board (13706-BA04). 3. Unscrew PC3 × 53 to remove the key switch assy. (13706-EA11). 4. Replace the key switch assy. 5. Reassemble all parts in reverse order.







2%˜



'#



6.2.8 Emergency switch assy. Replacement part: 13706-EA12 1. Remove the vertical movement cover (13706M332). (Refer to 5.4.) 2. Disconnect P404 (J4) on the relay board (13706-BA04). 3. Replace the emergency switch assy. (13706EA12). 4. Reassemble all parts in reverse order.



'# 



6.2.9 Illumination control assy. Replacement part: 13706-EA13 1. Remove base cover C (13706-M323). (Refer to 5.5.) 2. Remove the control cap (82046-0703D). 3. Remove the control (82045-0912B). 4. Unscrew PT2 × 52 to remove the cover mount (13706-M303). Unscrew PT2 × 62. 5. Remove the nut to remove the illumination control assy. (13706-EA13). 6. Replace the illumination control assy. 7. Reassemble all parts in reverse order.



 $



 &







'# 







26˜



6-7



XYC16*RDA001A/E



6.2.10 Base plate assy. Replacement part: 13706-EA17 1. Remove the head rest (13706-4100). (Refer to 6.19.) 2. Disconnect P20 on the cable assy. (13706EA16). 3. Remove the grip (13702-M412). 4. Unscrew SB4 × 62 to remove the base plate assy. (13706-EA17). 5. Replace the base plate assy. 6. Reassemble all parts in reverse order.







'#



5$˜







6.3 Fixation Lamp (Green) Replacement part: 34405-0000 1. Remove and replace the green fixation lamp (34405-0000). 2. Reassemble all parts in reverse order.











6-8



XYC16*RDA001A/E



6.4 Energy Adjustment Assy. Replacement part: 13706-1110 1. Remove the right cover (13706-M003) and left cover (13706-M004). (Refer to 5.1.) 2. Remove the right and left caps (82046-1705A) and two controls (82045-2118B). 3. Unscrew HH3 × 32 to remove two stopper B (13706-M016). 4. Unscrew SB3 × 6 3 to remove the energy adjustment assy. (13706-1101). 5. Replace the energy adjustment assy. 6. Reassemble all parts in reverse order. 7. Adjust the YAG laser beam energy output. (Refer to 7.6.)







**˜ 5$˜















 $











 #



6.5 YAG Shutter Assy. Replacement part: 13706-1120 1. Remove the right cover (13706-M003) and left cover (13706-M004). (Refer to 5.1.) 2. Remove the control cap (82046-1705A) and control (82045-2118B). 3. Unscrew HH3 × 3 to remove stopper B (13706-M016). 4. Disconnnect P111 (J111) on the master board (13706-BA01). 5. Unscrew SB2 × 8 2 to remove the energy motor assy. (13706-EA09) together with the spacer collar (13706-M105). 6. Unscrew CK2 × 42 to remove the sample board (13706-BA03). 7. Disconnnect P103 (J103) on the master board. 8. Unscrew SB3 × 5 to remove the YAG shutter assy. (13706-1120). 9. Replace the the YAG shutter assy. 10. Reassemble all parts in reverse order. 11. Set the energy output display and preset data. (Refer to 7.6.3.2.)



6-9







**˜



 $



  #



 5$˜







5$˜



$# 



'#



%-˜







XYC16*RDA001A/E



6.6 Focus Assy. Replacement part: 13706-1130 1. Remove the right cover (13706-M003) and left cover (13706-M004). (Refer to 5.1.) 2. Remove the energy ajustment assy. (13706-1110). (Refer to 6.4.) 3. Remove the control cap (82046-1705A) and  **˜ control (82045-2118A). 4. Unscrew HH3 × 3 to remove stopper B   (13706-M016). 5$˜ 5. Disconnnect P111 (J111) on the master board  # (13706-BA01). 6. Adjust the focus assy. position. (Refer to 7.4.2.) 7. Adjust the D mirror assy. (Refer to 7.4.3.)   8. Adjust the focus. (Refer to 7.4.4.)  9. Adjust the focus shist indication. (Refer to # 7.4.5.)



6.7 D Mirror Assy. Replacement part: 13704-1140 1. Remove the right cover (13706-M003) and  left cover (13706-M004). (Refer to 5.1.) 2. Unscrew PC3 × 63 and PW33 to remove the  29 D mirror assy. (13704-1140).  3. Replace the D mirror assy. 2%˜ 4. Reassemble all parts in reverse order. 5. Adjust the D mirror assy. (Refer to 7.4.3.)



6.8 LD Assy. Replacement part: 13706-1210 1. Remove the right cover (13706-M003) and left cover (13706-M004). (Refer to 5.1.) 2. Remove the lower cover. (Refer to 5.3.) 3. Unscrew SB3 × 8 2 and remove the etwo ccentric shafts (13611-M117) and LD assy. (13706-1210). 4. Replace the LD assy. 5. Reassemble all parts in reverse order. 6. Adjust the aiming spots. (Refer to 7.3.)



6 - 10











 5$˜











XYC16*RDA001A/E



6.9 Aiming Shutter Assy. Replacement part: 13706-1220 1. Remove the right cover (13706-M003) and left cover (13706-M004). (Refer to 5.1.) 2. Remove the lower cover (13706-M007). (Refer to 5.3.) 3. Disconnect P104 (J4) on the master board (13706-BA01). 4. Unscrew SB3 × 5 2 to remove the aiming shutter assy. (13706-1220). 5. Replace the aiming shutter assy. 6. Reassemble all parts in reverse order. 7. Adjust the following. 1) When the shutter opens: The shutter plate shall not shield the aiming beam. 2) When the shutter closes: The shutter plate shall shield the aiming beam.







5$˜







6.10 Control Board Assy. Replacement part: 13706-1300 1. Remove the right cover (13706-M003) and left cover (13706-M004). (Refer to 5.1.) 2. Disconnect all connectors from the master board (13706-BA01). 3. Unscrew PC3 × 84 and PC3 × 54 to remove the control board assy. (13706-1300). 4. Replace the control board assy. Mount the EEPROM attached to the old master board on the new one. 5. Reassemble all parts in reverse order.



 



2%˜







2%˜



6 - 11



XYC16*RDA001A/E



6.11 Display Panel Assy. Replacement part: 13706-1400 1. Remove the right cover (13706-M003) and left cover (13706-M004). (Refer to 5.1.) 2. Disconnect J201 from the display board (13704-BA02). 3. Unscrew SB3 × 6 and SB3 × 122 to remove the display panel assy. (13706-1400). 4. Replace the display panel assy. 5. Reassemble all parts in reverse order.







5$˜







5$˜



6.12 Microscope Replacement part: 13706-2000 1. Remove the right cover (13706-M003) and left cover (13706-M004). (Refer to 5.1.) 2. Unscrew SB4 × 122 to remove the microscope (13706-2000). 3. Replace the microscope. 4. Reassemble all parts in reverse order. 5. Adjust themicroscope visual field. (Refer to 7.1.2.)











5$˜



6 - 12



XYC16*RDA001A/E



6.13 Middle Gear Replacement part: 13704-3020 1. Remove base cover C (13706-M323). (Refer to 5.5.) 2. Unscrew SB3 × 62 to rotate base cover C together with the cover mount (13706M303). (Refer to 5.4.)  5$˜ 4 4 3. Unscrew SB3 × 6 and 1W3 to remove the 9 middle gear (13704-3020). 4. Replace the middle gear. 5. Reassemble all parts in reverse order.







6.14 Wheel Shaft Replacement part: 13706-3120 1. Remove the base plate (13706-4000). (Refer to 6.18.) 2. Remove base cover A (13706-M321). (Refer to 5.2.) 3. Remove the two pinions (32903-M138). (Refer to 6.24.) 4. Uncrew FK2 × 4 2 to remove the spacer  (34134-M038). **˜ 5. Remove the shaft (13706-M337). 6. Unscrew SB3 × 4 4 and the fixing screw  5$˜ (34322-M043) to remove base cover B (13706-M322).   7. Remove the axle holder (13706-M302). 8. Loosen HH3 × 44 to remove the wheel shaft (13706-3120). 9. Replace the wheel shaft. 10. Reassemble all parts in reverse order.



6 - 13















(-˜















XYC16*RDA001A/E



6.15 Vertical Movement Screw Replacement part: 13706-3130 1. Remove the brake lever (13706-3140). (Refer to 6.16.) 2. Unscrew SB3 × 4 2 to remove the vertical movement screw (13706-3130). 3. Replace the vertical movement screw. 4. Reassemble all parts in reverse order.



 



5$˜



6.16 Brake Lever Replacement part: 13706-3140 1. Remove base cover C (13706-M323). (Refer to 5.5.) 2. Unscrew SB3 × 6 2 to rotate base cover C together with the cover mount (13706M303). (Refer to 5.4.) 3. Remove the two button caps with flange (17162-M392) and brake lever (13706-3140). 4. Replace the brake lever. 5. Reassemble all parts in reverse order.















6.17 Joystick Replacement part: 13706-3200 1. Remove base cover C (13706-M323). (Refer to 5.5.) 2. Disconnect P30 from the hand switch assy. (13706-EA02). 3. Remove the spring compressor (13706M305) and joystick (13706-3200). 4. Replace the joystick. 5. Reassemble all parts in reverse order.











6 - 14



XYC16*RDA001A/E



6.18 Base Plate Replacement part: 13706-4000 1. Unscrew PC3 × 64 to remove the two wheel covers (13706-M408). 2. Remove and replace the base plate (137064000). 3. Reassemble all parts in reverse order.







2%˜ 











6.19 Head Rest Replacement part: 13706-4100 1. Remove the green fixation lamp (344050000). (Refer to 6.3.) 2. Unscrew PC3 × 44 to remove the head rest (13706-4100). 3. Replace the head rest. 4. Reassemble all parts in reverse order.











2%˜



6 - 15



XYC16*RDA001A/E



6.20 Lamp House Replacement part: 13706-5100 1. Remove the vertical movement cover (13706M332). (Refer to 5.4.) 2. Disconnect P406 (J6) on the relay board (13706-BA04). 3. Remove the cap (13706-M503) and unscrew SB3 × 84 and HH3 × 84. 4. Remove the adjustment shaft (13706-M013). 5. Remove the nut retainer (34500-M238). 6. Remove the lock ring (13706-M502) and lamp house (13706-5100). 7. Remove the sleeve (13706-M501) from the lamp house (13706-5100). 8. Replace the lamp house. 9. Reassemble all parts in reverse order. 10. Adjust the illumination rotation center. (Refer to 7.2.)











5$˜



**˜















 







6.21 MYLA Laser Head Replacement part: 13739-0000 1. Unscrew PC3 × 84 and PC3 × 54 to remove the control board assy. (13706-1300). (Refer to 6.10.) 2. Unscrew SB3 × 43 to remove the MYLA laser head (13739-0000). Cut the tie wrap and heat shrinkable tube with a nipper. Remove the laser head while retaining the inside plug with a long-nose plier. 3. Replace the MYLA laser head. 4. Reassemble all parts in reverse order. 5. Adjust the following. 1) Adjust the YAG laser optical axis. (Refer to 7.4.) 2) Perform electric adjustments. (Refer to 7.5.) Perform the initial setting of the master board as necessary. 3) Adjust the YAG laser beam energy output. (Refer to 7.6.)



6 - 16











5$˜



XYC16*RDA001A/E



6.22 Slide Plate Replacement part: 13704-M373 1. Remove the base plate (13706-4000). (Refer to 6.18.) 2. Unscrew FC2 × 44 to remove the slide plate (13704-M373). 3. Replace the slide plate. 4. Reassemble all parts in reverse order.







(%˜







6.23 Rack Replacement part: 34348-M009 1. Remove the base plate (13706-4000). (Refer to 6.18.) 2. Unscrew PC4 × 124 to remove the two racks (34348-M009). 3. Replace the racks. 4. Reassemble all parts in reverse order.







2%˜ 











6 - 17



XYC16*RDA001A/E



6.24 Pinion Replacement part: 32903-M138 1. Remove the base plate (13706-4000). (Refer to 6.18.) 2. Remove and replace the pinions (32903M138). 3. Reassemble all parts in reverse order.















6.25 Gear A Replacement part: 13706-M304 1. Remove the joystick (13706-3200). (Refer to 6.17.) 2. Remove the retainer (13704-M306), left bearing (82011-4052B), and gear A (13704M304). 3. Replace gear A. 4. Reassemble all parts in reverse order. Apply an adhesive at the tip of SP3 × 8, insert it into gear A, apply the adhesive around SP3 × 8. Use non-chamfered SP3 × 8.



  $



52˜







6.26 Gear B Replacement part: 13706-M312 1. Remove the vertical screw movement (137063130). (Refer to 6.15.) 2. Unscrew SB2 × 6 4 to remove the gear B (13706-M312). 3. Replace gear B. 4. Reassemble all parts in reverse order.







 



5$˜



6 - 18



XYC16*RDA001A/E



§7 ADJUSTMENT 7.1 Microscope Optical Axis 7.1.1 Binocular microscope optical axis 1. Mount the slit lamp (SL) optical axis jig and reticle attached eyepiece. Check that the scale of the jig and reticle are level and plumb. 2. Set the microscope magnification to 12.5× and maximize the slit width. 3. Adjust SB3 × 102 and HH3 × 44 so that the reticle is aligned to the center (within the scale of 0.3). 4. Adjust SB3 × 102 and HH3 × 44 so that the reticle is within the scale of 0.3 when the pupillary distance of the binocular microscope (13706-2200) is changed. 5. Check that the shift between the scale center and reticle is within the scale of 0.3. 6. When there is a shift, tighten HH3 × 44. The reticle moves in the direction corresponding to the tightened HH3 × 4. Perform this adjustment for the right and left eyes 5$˜ respectively.  **˜ The reticle should be within the scale of 0.3 and the same in both eye sides.



5$˜ **˜



7.1.2 Microscope visual field 1. Mount the slit lamp (SL) optical axis jig and reticle attached eyepiece. 2. Adjust the jig and eyepiece so that they are aligned in center. 1) Up and down: Tighten or loosen SB4 × 64 and HH4 × 64. 2) Right and left: Loosen SB4 × 64 to move the microscope to the right or left.



7-1







**˜







5$˜











XYC16*RDA001A/E



7.2 Illumination Rotation Center 1. Set the microscope magnification to 12.5×. 2. Remove the hole cap (13706-M503) to insert the focusing rod (34131-M551). Insert the focusing rod so that its flat surface faces the microscope.











3. Minimize the slit width and position the slit image vertically. Adjust the focus on the flat surface of the focusing rod.



Slit image







4. Perform the following so that the slit image on the flat surface of the focusing rod does not move horizontally even though the lamp house (13706-5000) is moved horizontally.



Slit image



In the case of 1)



1) When the slit image moves opposite to the lamp house movement: Tighten HH3 × 82 on the patient’s side so that the focusing rod tilts to the operator’s side.



In the case of 2) 



5$˜



**˜



**˜







2) When the slit image moves along with the lamp house movement: Loosen HH3 × 82 on the operator’s side so that the focusing rod tilts to the patient’s side.



7-2



5$˜ **˜



**˜



XYC16*RDA001A/E



7.3 Aiming Spots 7.3.1 LD assy. 1. Remove the microscope (13706-2000). (Refer to 6.26.) 2. Mount the LD optical axis adjustment jig on the expander assy. (13706-1150). 3. Turn the aiming rotation control so that the two aiming spots are aligned horizontally to the X axis of the jig scale. 4. Adjust the following so that the jig center is aligned to the center between the aiming spots. 1) Right and left: SB3 × 82 and HH3 × 64 2) Up and down: lower eccentric shaft (13611M117) 5. Adjust the upper eccentric shaft so that the intensity of the aiming spots is the same. 6. Turn the aiming rotation control so that the two aiming spots are aligned on the X axis of the jig scale. Adjust the spots referring to Steps 4 to 5.



 



5$˜







**˜



7.3.2 Aiming spot focus 1. Set the microscope magnification to 32× and insert the focusing rod (34131-M551). 2. Loosen FG2 × 2. Rotate the lens holder (13704-M126) of the aperture assy. (137041230) so that the aiming spots projected on the focusing rod merge into one. 3. Tighten FG2 × 2 and check that the lens holder does not rotate.



Aiming spots







()˜







7-3



XYC16*RDA001A/E



7.3.3 Aiming spot optical axis 1. TC3 × 62 to remove the cover (13706-M205). 2. Insert the focusing rod (34131-M551).



6%˜











3. Minimize the slit width and position the slit image horizontally. Adjust the focus on the flat surface of the focusing rod. 4. Adjust HH3 × 63 so that the aiming spot is aligned to the slit image. 5. Position the slit image vertically. 6. Adjust the eccentric shaft so that the aiming spot is aligned to the slit image. 7. Repeat Steps 2 to 5 so that aiming spot is aligned to the slit image when the slit image is rotated horizontally and vertically again.



Aiming spots



Slit images















7-4







**˜



XYC16*RDA001A/E



7.4 YAG Laser Optical Axis * Remove the focusing rod (34131-M551) beforehand.



7.4.1 Mirror holder 3 and YAG laser head 1. Remove the control cap (82046-1705A) and  # control (82045-2118B).  2. Disconnect P111 (J111) on the master board # **˜ (13706-BA01). 3. Unscrew SB2 × 8 2 to remove the energy   motor assy. (13706-EA09) together with the 5$˜ motor mount (13706-M105). 4. Disconnect P109 (J109) on the master board  (13706-BA01). 5. Remove the focus assy. (13706-1130). (Refer to 6.6.)  Do not remove the energy adjustment assy. (13706-1110). '# 6. Remove the display panel assy. (13706-1400)  $ and mount it as shown in the right figure.  7. Remove the D mirror assy. (13704-1140). 5$˜ (Refer to 6.27.) **˜ 8. Mount the YAG laser optical axis adjustment  jig in the position from which the D mirror assy. was removed. 9. Maximize the energy output with the control  on the energy adjustment assy. # 10. Place a burn paper behind the jig. Emit the  YAG laser beam and check the burn pattern position. 11. Adjust the following so that the grid center of the jig is aligned to the burn pattern.  5$˜ 1) Upward shift: Loosen HH3 × 8 and tighten SB2 × 8.   2) Downward shift: Loosen SB2 × 8 and tighten HH × 8. 3) Right or left shift: Loosen SB3 × 63 and rotate the two eccentric shafts (13755**˜ M052). Apply a threadlocking adhesive to PC3 × 63, SB3 × 82, and HH3 × 8 of the mirror holder (13755-M3438) after adjustment. 12. Reassemble the parts removed in Steps 1 to  5. 5$˜ 13. Adjust the focus assy. position. (Refer to 7.4.2.)



7-5



XYC16*RDA001A/E



7.4.2 Focus assy. position 1. Remove the D mirror assy. (13704-1140). (Refer to 6.7.) 2. Mount the YAG laser optical axis adjustment jig in the position from which the D mirror assy. was removed. (Refer to 7.4.1.) 3. Maximize the energy output with the control on the energy adjustment assy. (13706-1110). 4. Place a burn paper behind the jig. Emit the YAG laser beam and check the burn pattern position and that the laser beam is not obscured. 5. Adjust the following so that the grid center of the jig aligned to the burn pattern and that  the laser beam is not obscured. 5$˜ Loosen SB3 × 64 to adjust the focus assy. (137061130) position. Loosen SB3 × 63 and rotate the two eccentric shafts (13755-M052) to adjust the laser head horizontally. (Refer to 7.4.1.) * Apply a threadlocking adhesive to SB3 × 64 on the focus assy. 6. Reassemble the D mirror assy. (13704-1140). (Refer to 6.7.)



7.4.3 D mirror assy. 1. Mount the focal point jig on the chinrest with SB3 × 152. 2. Minimize the energy output with the control on the energy adjustment assy. (13706-1110). 3. Focus the aiming spot on the focal point jig and emit the YAG laser beam. Check the  burn pattern position. 2%˜ 4. Adjust the D mirror assy. (13706-1140) when 5$˜ the aiming spot is not aligned to the burn pattern position. 1) Right or left shift: Loosen PC3 × 6 3 and rotate the D mirror assy.  **˜ 2) Upward or downward shift: Tighten or loosen SB3 × 8 and HH3 × 82.



7-6



XYC16*RDA001A/E



7.4.4 Focus adjustment 1. Mount the focal point jig on the chinrest with SB3 × 152. 2. Minimize the energy output with the control on the energy adjustment assy. (13706-1110). 3. Set the focal point to 0 µm. 1) Focus the aiming spot on the focal point jig. 2) Turn the knob so that the plunger (82001PR006) edge of the attachment plate (13706**˜ M114) is pointing down. 3) Loosen HH3 × 3 in the attachment plate. 4) Turn the control on the focus assy. (13706-  1130) so that the burn pattern on the focal point jig is at the minimum. 5) Tighten HH3 × 3 so that the plunger edge of the attachment plate is pointing down and that the control on the focus assy. is fixed. 6) When the burn pattern on the focal point jig  24 is not at the minimum, perform the adjustment again. 4. Check that the YAG laser beam is not obscured. 1) Maximize the energy output with the control on the energy adjustment assy. 2) Put a burn paper beyond the aiming focus point and emit several shots of the YAG laser beam. 3) Check the burn pattern. If the laser is obscured, perform the following: a. Mirror holder 3 and YAG laser head adjustment (Refer to 7.4.1.) b. Focus assy. position adjustment (Refer to 7.4.2.) c. D mirror assy. adjustment (Refer to 7.4.3.) 5. Adjust the focal point. 1) Minimize the energy output with the control on the energy adjustment assy. 2) Set the focal point jig to 0. 3) Move the slit so that the aiming spot is focused on the jig. 4) Set the focus shift to 0 µm with the focus shift control. Emit the YAG laser beam and check the burn pattern. 5) Turn the jig scale one rotation toward you and set it to 0 again. 6) Set the focus shift to ATN500 µm with the focus shift control. Emit the YAG laser beam and check the burn pattern. ǴO ǴO 7) Turn the jig scale two rotations away from ǴO ǴO you and set it to 0 again. #06 2156 ǴO ǴO 8) Set the focus shift to POST500 µm with the ǴO ǴO focus shift control. Emit the YAG laser beam and check the burn pattern. ǴO 9) Check that the burn pattern of each focus shift ǴO ǴO ǴO of 0, ANT500, and POST500 µm is the same #06 2156 size. If the burn pattern is within ±50 µm of the 0 µm burn pattern for ANT and POST500 µm, then it is within specifications.



7-7



XYC16*RDA001A/E



7.4.5 Focus shift indication 1. Set the focus shift control to 0 µm. 2. Set DIP SW1-6 on the display board (13704-BA02) in the display panel assy. (13706-1400) to the OFF (upper) position. 3. Press the aiming switches to display either of Address 40 to 48 on the COUNTER display. 4. Loosen HH3 × 3 and rotate the shaft of the potentiometer (13702-E080) in the focus shift assy. (13706-EA07) so that the value on the ENERGY display is 130±10 when the focus shift is 0 µm.



**˜



5. 6. 7. 8.



'



Set the focus shift control to ANT500 µm. Press the aiming switches to display Address 40 on the COUNTER display. Press the reset switch to set the parameter address. As the same manner, set the parameters as shown in the table below (ANT375 to POST500). Focus ANT POST shift 500 375 250 125 0 125 250 375 500 Address 40 41 42 43 44 45 46 47 48



9. Set DIP SW1-6 on the display board in the display panel assy. to the ON (lower) position. 10. Turn the focus shift control and check that the YAG FOCUS SHIFT display is proper. * When the display is abnormal, perform this adjustment again.



7-8



XYC16*RDA001A/E



7.5 Electric Adjustments 7.5.1 YAG laser wiring check 1. Check visually that the wiring around the laser head is wired properly and that any cable is not exposed. 2. Check that there is continuity between the ground points of the laser head and grounded edge of the power outlet with a digital multimeter. )0&



7.5.2 Master board initial setting 1. Disconnect P107 (J107) on the master board (13706-BA01). 2. Set DIP SW 1-1 and 1-6 on the display board (13704-BA02) in the display panel assy. (13706-1400) to the OFF (upper) position. 3. Turn the key switch to the ON position. 4. Check that the aiming beam lights up. 5. Press the aiming switches to display Address 199 on the COUNTER display. 6. Press the STATUS switch so that the indication on the ENERGY display blinks. 7. Press the aiming switches so that the value on the ENERGY display is 99. 8. Press the reset switch to lock in the settings. * Two shot beeps are audible. 9. Set DIP SW 1-1 and 1-6 on the display board to the ON (lower) position. Turn the key switch to the OFF position. 10. Turn the key switch to the ON position again. 11. The countdown starts, in about ten seconds, all indications light up on the all displays of the control panel, and the YC-1800 goes into STANDBY.



7-9



XYC16*RDA001A/E



7.5.3 Aiming beam power output 1. 2. 3. 4. 5. 6.



7.



8.



9. 10.



Mount a laser powermeter on the strut of the forehead rest. Set the measurement wavelength of the laser powermeter to 635 nm. Set the YC-1800 to prevent it from interference lights. Tilt the lamp house to the right by the angle of 45º Turn the aiming rotation control so that the aiming spots are vertical. Adjust the aiming beam maximum output. 1) Press the aiming switches to maximize the aiming level. 2) Turn VR1 on the master board (13706-BA01) so that the aiming beam output is 25 ±5 µW. * Turning the VR clockwise increases the output. Check the aiming beam minimum output. 1) Press the aiming switches so that the aiming level becomes 1. 2) Check that the aiming output is 0.5 ±0.3 µW. When the aiming output is out of standards, adjust as follows: 1) Set DIP SW 1-6 on the display board (13704-BA02) in the display panel assy. (13706-1400) to the OFF (upper) position. 2) Press the aiming switches to display Address 19 on the COUNTER display. 3) Press the STATUS switch so that the indication on the ENERGY display blinks. 4) Press the aiming switches to adjust the value (initial: 100) on the ENERGY display. * Increasing the values increases the power output. 5) Press the reset switch to lock in the settings. 6) Set DIP SW 1-1 and 1-6 on the display board to the ON (lower) position. Check that there is no ghost image in the aiming spots when the aiming output is maximum and illumination intensity is middle. Check the aiming beam output when it is set to maximum.



7 - 10



XYC16*RDA001A/E



7.5.4 Agreement between the indicated and actual PFN voltages 1. Remove the focusing rod (34131-M551). 2. Disconnect P107 (J107) on the master board (13706-BA01). 3. Set DIP SW 1-1 and 1-6 on the display board (13704-BA02) in the display panel assy. (13706-1400) to the OFF (upper) position. 4. Press the aiming switches to display Address 10 on the COUNTER display. 5. Press the STATUS switch so that the indication on the ENERGY display blinks. 6. Press the aiming switches so that the value on the ENERGY display is 440. 7. Press the reset switch to lock in the settings. 8. Set DIP SW 1-6 to the ON (lower) position and DIP SW1-7 to the OFF (upper) position. * The PFN voltage (monitored) is displayed on the ENERGY display. 9. Connect a digital multimeter between P2 1st (+) and 5th (-) pins on the power supply board (13733-BA01). 10. Check that the actual PFN value is 440 ±10 V. 11. When the value is out of the specifications, turn VR1 on the power supply board. * Turning the VR clockwise increases the voltage. 12. Set the value on the ENERGY display to 350 with the aiming switches. 13. Set DIP SW1-7 to the ON (lower) position.



7.5.5 PFN voltage 1. Remove the focusing rod (34131-M551). 2. Set DIP SW 1-1 and 1-6 on the display board (13704-BA02) in the display panel assy. (13706-1400) to the OFF (upper) position. 3. Press the aiming switches to display Address 10 on the COUNTER display. 4. Check that the value on the ENERGY display is 350. 5. Press the aiming switches to display Address 11 on the COUNTER display. 6. Press the STATUS switch so that the indication on the ENERGY display blinks. 7. Press the aiming switches so that the value on the ENERGY display is 02. 8. Press the reset switch to lock in the settings. 9. Set DIP SW 1-1 and 1-6 on the display board to the ON (lower) position. 10. The indication CAL appears on the YAG FOCUS SHIFT display and the PFN voltage is adjusted automatically. The PFN voltage is displayed on the ENERGY display. The actual pulse number is displayed on the COUNTER display. The PFN voltage is adjusted automatically until the number of pulses becomes four in eight or more of ten shots. 11. The indication CAL disappears and the PFN voltage adjustment is completed. 12. Adjust the PFN voltage depending on the room temperature. 1) Set DIP SW 1-6 on the display board to the OFF (upper) position. 2) Press the aiming switches to display Address 10 on the COUNTER display. 3) Press the STATUS switch so that the indication on the ENERGY display blinks. 4) Change the value on the ENERGY display with the aiming switches as follows: a. 25ºC or more: Automatic set PFN voltage + 5 b. 20ºC or less: Automatic set PFN voltage - 5 c. 20ºC < temperature < 25ºC: No additional adjustment 5) Set DIP SW 1-6 on the display board to the ON (lower) position.



7 - 11



XYC16*RDA001A/E



7.6 YAG Laser Beam Energy Output 7.6.1 Maximum energy output 1. Mount the detector of the powermeter on the chinrest. 2. Turn the illumination off. 3. Mount the dispersion lens on the objective lens at the edge of the microscope. This step is unnecessary when using S200 (PHDX50). 4. Align the two aiming spots to the center of the detector. 5. Turn the energy control to maximize the YAG laser energy. 6. Emit the YAG laser beam on the detector. **˜ Adjust right HH3 × 12 of the energy 0 adjustment assy. (13706-1110) so that the actual energy output becomes 11 to 12 mJ. * Tightening HH3 × 12 decreases the value and loosening it increases the value. 7. Turn VR2 on the master board (13706-BA01) counterclockwise fully. 8. Emit several shots of the YAG laser beam and turn the energy control so that the actual energy output becomes 11 mJ. Check that the indication on the ENERGY display shows 2.0 to 3.0 mJ. When it is out of the specifications, replace or Name Part No. ND value add the NF filter (13456-G009) of the energy 13456-G009A 2 control assy. to change the sensitivity of the 13456-G009B 0.1 energy monitor. Attenuator 13456-G009C 0.2 Normally, the attenuator consists of one 1345613456-G009D 0.3 G009A and two 13456-G009E. 13456-G009E 0.5 9. Change the attenuator (13456-G009) or apply a threadlocking adhesive around the diffuser (13456-M077) of the added energy adjustment assy.



$#  ) ) 



%-˜



7 - 12







XYC16*RDA001A/E



7.6.2 Minimum energy output 1. Mount the detector of the powermeter on the chinrest. 2. Turn the illumination off. 3. Mount the dispersion lens on the objective lens at the edge of the microscope. This step is unnecessary when using S200 (PHDX50). 4. Align the two aiming spots to the center of the detector. **˜ 5. Turn the energy control to minimize the YAG laser energy. 0 6. Emit the YAG laser beam on the detector. Adjust left HH3 × 12 of the energy adjustment assy. (13706-1110) so that the actual energy output becomes 0.2 mJ (0.5 mJ or less). * Tightening HH3 × 12 increases the value and loosening it decreases the value.



7.6.3 Energy Output Display 7.6.3.1 Display when the energy output is 10 mJ and 1 mJ 1. Mount the detector of the powermeter on the chinrest. 2. Turn the illumination off. 3. Mount the dispersion lens on the objective lens at the edge of the microscope. This step is unnecessary when using S200 (PHDX50). 4. Align the two aiming spots to the center of the detector. 5. Adjust the energy output display of 10 mJ. 1) Turn the energy control so that the YAG laser actual energy output is 10 mJ. 2) Adjust VR2 on the master board so that the displayed energy output is 10 mJ. Standard: 10 mJ ±15% 6. Adjust the energy output display of 1 mJ. 1) Turn the energy control so that the YAG laser actual energy output is 1 mJ. 2) Check that the displayed energy output is 1 mJ. Standard: 1 mJ ±15% ±0.1 mJ 3) When the displayed energy output is out of the standard, adjust the following: a. Set DIP SW 1-6 on the display board (13704-BA02) to the OFF (upper) position. b. Press the aiming switches to display Address 20 on the COUNTER display. c. Press the STATUS switch so that the indication on the ENERGY display blinks. d. Press the aiming switches to adjust the displayed energy output (initial: 10). * When the actual energy output is larger than the displayed one, increase the setting. * When the actual energy output is lower than the displayed one, decrease the setting. e. Press the reset switch to lock in the settings. f. Set DIP SW 1-6 to the ON (lower) position and check that the displayed output is 1 mJ. * Repeat the adjustment until the displayed output satisfies the standard. g. Perform the adjustment for 10 mJ again.



7 - 13



XYC16*RDA001A/E



7.6.3.2 Energy Output display and preset data setting 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18.



19.



Set DIP SW 1-1, 1-5, and 1-6 on the display board (13704-BA02) to the OFF (upper) position. Turn the energy control to minimize the YAG laser energy. Turn the master switch on while pressing the STATUS switch. Emit five shots of the YAG laser beam and press the reset switch. Perform the same adjustment for the energy settings of 1, 3, 5, 7.5 mJ and the maximum. Turn the master switch off. Set DIP SW 1-1, 1-5, and 1-6 to the ON (lower) position. Turn the energy control to maximize the YAG laser energy. Turn the master switch on. Press the burst switch to set the number of pulses to 1, emit five shots of the YAG laser beam, and press the reset switch. Press the burst switch to set the number of pulses to 2, emit five shots of the YAG laser beam, and press the reset switch. Press the burst switch to set the number of pulses to 3, emit five shots of the YAG laser beam, and press the reset switch. Turn the master switch off and on. Turn the energy control to minimize the YAG laser energy. Mount the detector of the powermeter on the chinrest. Turn the illumination off. Mount the dispersion lens on the objective lens at the edge of the microscope. This step is unnecessary when using S200 (PHDX50). Align the two aiming spots to the center of the detector. Emit five shots of the YAG laser beam and check that the fifth actual energy output is within the following standard. [Standard] Actual energy output less than 1.5 mJ: Displayed energy output ±15% ±0.1 mJ Actual energy output of 1.5 mJ or more: Displayed energy output ±15% Measure the actual energy output with each pulse number of 1, 2, and 3. Check that the difference between the actual and displayed energy outputs is within the standard. When the actual energy output is out of Address Display Contents Initial value the standard, change the parameters in the 30 PPL Preset potentiel Min. 35 right table and repeat Steps 1 to 18. 31 PP1 Preset potentiel 1 mJ 50 32 33 34 35



PP3 PP5 PP7 PPH



Preset potentiel Preset potentiel Preset potentiel Preset potentiel



3 mJ 5 mJ 7.5 mJ Max.



70 85 100 125



20. Check that the actual energy output when the displayed one is 0.5 mJ satisfies the following standard. 1) Set the YAG laser energy output to 0.5 mJ. 2) Press the burst switch to set the pulse number to 1. 3) Emit five shots of the YAG laser beam and check that the fifth actual energy output is within the following standard. [Standard] Actual energy output of 0.5 mJ: Displayed energy output ±15% ±0.1 mJ



7 - 14



XYC16*RDA001A/E



7.7 Energy Output Check 1. Press the burst switch to set the pulse number to 1. 2. Measure the maximum and minimum energy outputs of the YAG laser beam. Check that they are within the following standard. 3. Perform the same as Step 2 each time the Pulse number 1 2 3 pulse number is set to 2 and 3. Max. output ≥ 10 mJ ≥ 9.1 mJ ≥ 7.8 mJ Min. output



≤ 0.3 mJ ≤ 0.3 mJ ≤ 0.3 mJ



7.8 Air Plasma Check Set the energy to 4 mJ and emit the YAG laser beam. Check that the air plasma occurs.



7.9 Parameter Setting 1. Set DIP SW1-6 on the master board to the OFF position. The following displays show the data. 1) Address: COUNTER display 2) Displayed characters: YAG FOCUS SHIFT display 3) Parameter (initial) value: ENERGY display 2. Display Address to be changed with the aiming switches. 3. Press the STATUS switch. 4. Change the parameter value with the aiming switches. 5. Press the reset switch until two short beeps are audible. The change is completed. 6. Set DIP SW1-6 on the master board to the ON position.



7.10 Service Mode Indication 1. Start the YC-1800 while pressing the STATUS (READY mode) and burst switches. 2. Press the + aiming switch to change the following. 1) Total shot number (displayed number × 1000 shots) 2) Historical error number 3) Program version number



7.11 Output Adjustment Mode Start the YC-1800 while pressing the STATUS (READY mode) and two aiming switches simultaneously. So, the energy display setting and aiming beam output adjustment are possible with the control panel.



7 - 15



XYC16*RDA001A/E



7.12 Vertical Movement Base 1. Remove the vertical movement cover. (Refer to 5.4.) 2. Loosen SB3 × 102. 3. Adjust the vertical movement nut (34500M234) so that the base moves vertically and smoothly when the joystick is rotated. 4. Tighten SB3 × 102 to fix the nut. 5. Reassemble the vertical movement cover. (Refer to 5.4.) 



5$˜







7.13 Smart Switch Adjustment 1. Adjust parameter for Address 109 so that the energy control is rotated and the value on the ENERGY display is changed slightly when the smart switch is moved to the right and left. 2. Move the smart switch to either of the right and left and immediately move it to another side. At that time, adjust parameter for Address 108 so that the energy control is rotated and the value on the ENERGY display is changed slightly. 3. Perform Step 1 again.



7 - 16



XYC16*RDA001A/E



§8 INFORMATION 8.1 Wiring Diagram



8-1



XYC16*RDA001A/E



8.2 Connector Cable 13706-EA01



13706-EA02



13706-EA03



8-2



XYC16*RDA001A/E



13706-EA04



13706-EA05



13706-EA06



8-3



XYC16*RDA001A/E



13706-EA07



13706-EA08



13706-EA09



8-4



XYC16*RDA001A/E



13706-EA10



13706-EA11



13706-EA12



8-5



XYC16*RDA001A/E



13706-EA13



13706-EA14



13706-EA15



8-6



XYC16*RDA001A/E



13706-EA16



8-7



XYC16*RDA001A/E



17306-EA17



8-8



XYC16*RDA001A/E



8.3 Appearance Main body: Operator’s side view



Eyepieces



Fixation lamp



Forehead rest



Chinrest elevation control



Eye level marker



Control panel



Base fixing knob



Grips



Main body: Top view



Laser head connector



Tonometer mount



8-9



XYC16*RDA001A/E



Main body: Patient’s side - Right side view



Magnification change control



Slit rotation control



Chinrest



Energy control



Hole for mounting the focusing rod



Focus shift control



Slit width control



Aiming rotation control



Illumination arm fixing knob



Hand switch



Microscope arm fixing knob



Smart switch Grip



AC adapter



Power cable



Connecting cable



8 - 10



XYC16*RDA001A/E



8.4 Error Message Table Error No. Symptom 1 Internal structure overheat 5



Safety shutter malfunction



7



Aiming shutter malfunction



Cause Internal structure overheat Safety shutter malfunction or detection sensor failure Aiming shutter malfunction or detection sensor failure Failure of the YAG laser system or detection circuit Failure of the YAG laser system or detection circuit Failure of the YAG laser system or trigger circuit Failure of the YAG laser system or trigger circuit Failure of the YAG laser system or detection circuit



Insufficient number of laser emissions Excessive number of laser emissions



10 12 13



Accidental laser emission



14



Laser system malfunction



15



Unstable laser output



31



YAG laser power supply malfunction PFN voltage failure



50



Break in the photodiode



30



YAG laser power supply malfunction



53



Break in the potentiometer for YAG laser output adjustment Break in the potentiometer for focus shift adjustment Trigger input signal failure



54



Pulse number input signal failure



90 91 93 94



Program data failure EEPROM malfunction Data failure Keylock error



51 52



YAG laser power supply malfunction Malfunction of the photodiode for YAG laser output detection Break in the potentiometer for YAG laser output adjustment or its malfunction Break in the potentiometer for focus shift adjustment or its malfunction Trigger input signal circuit malfunction Pulse number input signal circuit malfunction Contents of the ROM are rewritten. EEPROM memory data failure Important RAM data failure Program malfunction



8.5 Dip Switch Setting Table DIP switch No.



Contents



1



For canceling error detection



2



Unassigned



3



Unassigned



4



Unassigned



5



Unassigned



6



For permitting access to the EEPROM



7



For adjustment



8



For running the system



8 - 11



XYC16*RDA001A/E



8.6 Parameter Setting Tables Add ress 1



Abbre viation AdJ



2



Default



Contents



0



Adjustment mode control



AL



0



Control of electric beeps at laser emission



3 4 5



dEL cnt toc



0 10 0



Unassigned at present Countdown timer Total counter function stop



6



n-A



0



Unassigned



7



rdy



2



READY auto-off



8



Cc1



1



Counter value memory



9



Ac1



0



Aiming data memory



10



PFn



350



11



CAL



0



12



FSc



0



13



trS



1



14



HF



0



15



tr2



1



16



2dl



200



17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35



AH yH AL yL n-A n-A n-A n-A n-A n-A n-A n-A n-A PPL PP1 PP3 PP5 PP7 PPH



100 100 100 10 100 100 100 100 100 35 50 70 85 100 125



Setting 0: Normal mode 1: Adjustment mode 0: Beeps 1: No beeps



0: Function 1: Stop 0: Disabled From 1: Value × (minute) 0: Memory 1: Clear 0: Memory 1: Clear



PFN voltage 0: OFF 1: After Err10 2: Forced 0: OFF Focus shift check at start 1: ON (with beeps) 2: ON (without beeps) Prohibition of switching the trigger switch 0: Prohibited from outside 1: Permitted 0: HAND SW Switching of the trigger switch 1 : FOOT SW 0: Two circuits Input switch of the trigger switch 1: One circuit Latency time after the READY switch is Value × (10 msec) pressed Aiming soft gain Energy soft gain Aiming offset Energy offset 10 = ±0 mJ Correction factor (reserved) Correction factor (reserved) Correction factor (reserved) Correction factor (reserved) Correction factor (reserved) Correction factor (reserved) Correction factor (reserved) Correction factor (reserved) Correction factor (reserved) Preset potentio Min. Preset potentio 1 mJ Preset potentio 3 mJ Preset potentio 5 mJ Preset potentio 7.5 mJ Preset potentio Max. PFN voltage adjustment



8 - 12



XYC16*RDA001A/E



Add ress 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50



Abbre viation n-A n-A n-A n-A F-5 F-3 F-2 F-1 F0 F1 F2 F3 F5 n-A brt



51



ruS



250



52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69



ruF n-A n-A ErG ErO n-A StG StO PEL PE1 PE3 PE5 PE7 PEH n-A n-A n-A n-A



10 0 0 100 3 100 20 1 3 10 30 50 75 100 0 0 0 0



70



PF



0



71



StO



50



72



StC



50



73 74 75



n-A n-A n-A



10 10 0



Default 100 100 100 100 70 85 105 125 145 165 185 205 225 0 30



Contents Unassigned Unassigned Unassigned Unassigned Focus shift value –500 µm Focus shift value –375 µm Focus shift value –250 µm Focus shift value –125 µm Focus shift value 0 µm Focus shift value +125 µm Focus shift value +250 µm Focus shift value +375 µm Focus shift value +500 µm Unassigned Soft blinking time Time that the shutter functions during running Number of shots during running ×100 Unassigned Unassigned Err15 gain adjustment (%) Err15 offset adjustment (mJ) Unassigned Gain adjustment of stability (%) Offset adjustment of stability (mJ) Preset energy Min. Preset energy 1 mJ Preset energy 3 mJ Preset energy 5 mJ Preset energy 7.5 mJ Preset energy Max. Unassigned Unassigned Unassigned Unassigned Time required for resetting the protective filter Stand-by time required for opening each shutter Stand-by time required for closing each shutter Unassigned Unassigned Unassigned



8 - 13



Setting — — — —



—



— —



Unassigned at present Value × (10 msec) Value × (10 msec)



XYC16*RDA001A/E



Add ress 76 77 78 79 80 81 82 83 84 85 86



Abbre viation ESb FSb n-A n-A Sti bti Uti n-A n-A n-A n-A



87



Default



Contents



Setting



1 1 0 0 33 66 200 100 100 100 100



Detection bit of the energy control Detection bit of the focus shift control Unassigned Unassigned Latency time of single (×10 msec) Latency time of burst (×10 msec) Latency time of others (×10 msec) Unassigned Unassigned Unassigned Unassigned



Value × (10 msec) Value × (10 msec) Value × (10 msec)



bAr



162



Baud rate



162: 4800 80: 9600



88 89



n-A n-A



100 100



90



PuL



0



Unassigned Unassigned Pulse number for automatic PFN adjustment



91



End



1



Display change



92 93 94 95 96



n-A Std con bSt bno n-A



0 0 0 3 0



Unassigned Setting depending on destination Burst (reserved) Burst (reserved) Unassigned



0: Fixed 1: Weight average 2: Actual indication — Unassigned at present



0: Display enabled 97



tOE



0



Total energy display



98



n-A



0



Unassigned



99



FPr



2



Motion control of the sub-switches



100



n-A



0



Unassigned



101



F01(R)



0



SW functions



102



F02(L)



0



SW functions



8 - 14



From 1: Enabled (×10 msec) — 0: Disabled 1: Foot SW enabled 2: Hand SW enabled — 0: Function disabled 1: ENERGY DOWN 2: ENERGY UP 3: AIMING DOWN 4: AIMING UP 5: READY 6: BURST 7: RESET 0: Function disabled 1: ENERGY DOWN 2: ENERGY UP 3: AIMING DOWN 4: AIMING UP 5: READY 6: BURST 7: RESET



XYC16*RDA001A/E



Add ress



Abbre viation



Default



Contents



0: Function disabled 1: ENERGY DOWN 2: ENERGY UP 3: AIMING DOWN 4: AIMING UP 5: READY 6: BURST 7: RESET 0: Function disabled 1: ENERGY DOWN 2: ENERGY UP 3: AIMING DOWN 4: AIMING UP 5: READY 6: BURST 7: RESET



103



H01(R)



2



SW functions



104



H02(L)



1



SW functions



105



H03 (press)



5



SW functions



n-A



0



Unassigned



Ont



4



Motor ON time



n-A



0



Unassigned



PuP EEP



0 0



Update of the ROM Default setting of the EEPROM



106 to 108 109 110 to 197 198 199



Setting



8 - 15



Value × (10 msec)



99: Default setting



XYC16*RDA001A/E



8 - 16