Nidek Medical YC-1600 Service Manual
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Nidek Medical YC-1600 Service Manual

Nidek Medical YC-1600 Service Manual

Ophthalmic yag laser system
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NIDEK
OPHTHALMIC YAG LASER SYSTEM
Model YC-1600
SERVICE MANUAL
XYC14*RDA001E/E
Total pages: 105
2005. 3.3

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Summary of Contents for Nidek Medical YC-1600

  • Page 1 NIDEK OPHTHALMIC YAG LASER SYSTEM Model YC-1600 SERVICE MANUAL XYC14*RDA001E/E Total pages: 105 2005. 3.3...
  • Page 2 HEAD OFFICE : 34-14, Maehama, Hiroishi-cho, Gamagori, Aichi 443-0038, Japan Telephone: (0533) 67-6611 Facsimile: (0533) 67-6610 TOKYO OFFICE : 6th Floor, Takahashi Bldg., No.2, 3-chome, Kanda-jinboucho (International Div.) Chiyoda-ku, Tokyo 101-0051, Japan Telephone: (03) 3288-0571 Facsimile: (03) 3288-0570 Telex: 2226647 NIDEK J NIDEK INCORPORATED : 47651 Westinghouse Drive Fremont, California 94539, U.

  • Page 3: Table Of Contents

    Table of Contents § 1 INTRODUCTIONS ...................... 1-1 1.1 Before using this manual ....................1-1 1.2 Before repairing ......................1-1 1.3 Handling and repairing of the laser head ..............1-1 1.4 Handling and repairing of the board and wiring ............1-1 §...
  • Page 4 4.7 The focusing rod looks like shifting when the PD is adjusted ........4-18 4.8 The illumination light is shifted from the center of Microscopic visual field when the magnification is 10× ........4-18 4.9 The focusing rod cannot be seen clearly ..............4-18 4.10 There are some spots in the illumination light .............
  • Page 5 5.11 Replacement of the display board ASSY ..............5-10 5.12 Replacement of the YAG laser unit ................5-10 5.13 Replacement of the energy monitor ASSY ............... 5-12 5.14 Replacement of the rack ..................5-12 5.15 Replacement of the wheel shaft ................5-13 5.16 Replacement of the plate ..................
  • Page 6 6.4 Adjustment of the YAG laser ..................6-22 6.4.1 Adjustment of the YAG shutter ................ 6-22 6.4.2 Check of the sensor for YAG shutter ............... 6-23 6.4.3 Adjustment of the indicated and measured values of PFN voltage ..... 6-23 6.4.4 Adjustment of the PFN voltage ............... 6-25 6.4.5 Adjustment of the mirror holder 3 and optical axis of YAG laser head ....................

  • Page 7: Introductions

    • Be sure not to lose or drop the removed screws inside the system. • Apply a threadlocker to the screws which have been loosened and tightened again. • Refer to the wiring diagram of the YC-1600 when repairing (see 7.1). 1.3 Handling and repairing of the laser head •...
  • Page 8 XYC14*RDA001E/E [CAUTION] Never look straight at the Nd:YAG laser even if the safety goggles are used. [CAUTION] Never touch the optical parts such as mirrors and lens directly. [CAUTION] Never emit the laser beam to the skin. [CAUTION] Pay attention not to get an electric shock when unavoidably opening covers to check or repair the electrical parts.

  • Page 9: Cautions

    XYC14*RDA001E/E § 2 CAUTIONS 2.1 Cautions in laser emission • Never emit the laser beam to personnel or things. • Never touch the high voltage part (shown with mark) when emitting the laser beam since there is a fear of an electric shock. •...

  • Page 10: Cautions In Disconnecting Cords

    XYC14*RDA001E/E 2.5 Cautions in disconnecting cords • If the heat-shrinkable tube covers the cord, remove it using nippers or knife. • Use the soldering iron to remove the soldered parts. • Remove the old solder adhered to the cord or terminal with the soldering iron. 2.6 Cautions in soldering cords •...

  • Page 11: Troubleshooting

    XYC14*RDA001E/E § 3 TROUBLESHOOTING Plug the power cord to the wall outlet. Does the pilot lamp light? 4.1 The pilot lamp does not light Insert the key and turn to the ON ( position. Do the fixation lamp and backlight of the 4.2 Both fixation lamp and backlight of the control panel light? control panel do not light...
  • Page 12 XYC14*RDA001E/E Is the condition of the slit normal? 4.14 The slit image tilts when turning it to the vertical position 4.15 The slit does not fully close or open 4.16 The position where the slit closes shifts from the center Is the movement of the slit lamp normal? 4.17 Coarse movement to back and forth is not smooth...
  • Page 13 XYC14*RDA001E/E Can the setting of the number of pulses 4.25 Setting of the number of pulses can not be changed when the Burst switch is be changed pressed? Is the counter reset to “0” when the Reset 4.26 Counter display cannot be reset to “0” switch is pressed? Is the energy of the emitted YAG laser beam 4.27 The measured energy of YAG laser...
  • Page 14 XYC14*RDA001E/E 3 - 4...

  • Page 15: Sub Troubleshooting

    XYC14*RDA001E/E § 4 SUB TROUBLESHOOTING 4.1 The pilot lamp does not light This trouble may be caused by the break of fuses in the switch box, failure of the switching power supply, and connection failure of connectors. Is there continuity in F1 and F2 fuses in the Replace fuses.

  • Page 16: Both Fixation Lamp And Backlight Of The Control Panel Do Not Light

    XYC14*RDA001E/E 4.2 Both fixation lamp and backlight of the control panel do not light This trouble may be caused by the connection failure of connectors. Is there no continuity between 2nd and 4th/ Failure of the key switch. 5th pin on the key switch when the key switch Replace the key switch board with a new one.

  • Page 17: Only Fixation Lamp Does Not Light

    XYC14*RDA001E/E 4.3 Only fixation lamp does not light This trouble may be caused by the connection failure of connectors. Is the voltage between 1 (+) and 2 (-) of P503 Connection failure inside the key switch on the key switch board DC +12V? board.

  • Page 18: The Error Display Appears

    XYC14*RDA001E/E 4.5 The error display appears 4.5.1 Error 1 appears Error 1 appears when the temperature inside the YAG laser head becomes 45 ºC or more. Turn the key switch to the OFF position and remove the right and left covers. Set it aside for 30 minutes for cooling.

  • Page 19: Error 5 Appears

    XYC14*RDA001E/E 4.5.3 Error 5 appears Error 5 appears when the YAG shutter does not open or close automatically. The cause may be the failure of the detection sensor of the YAG shutter. Does the YAG shutter open when the system Failure of the rotary solenoid.

  • Page 20: Error 7 Appears

    XYC14*RDA001E/E 4.5.4 Error 7 appears Error 7 appears in the case where the aiming shutter does not open automatically when the aiming laser is ON or it does not close when the aiming laser is OFF. The cause may be the failure of the detection sensor of the aiming shutter or the solenoid for the aiming shutter.
  • Page 21 XYC14*RDA001E/E • The aiming shutter does not close automatically when the aiming laser is OFF. Is the aiming shutter plate placed in the close Is the voltage between 1 (+) and 2 (-) of position? P103 on the master board DC 0V or more? Failure of the IC2 on the master board.

  • Page 22: Error 10 Appears

    XYC14*RDA001E/E 4.5.5 Error 10 appears Error 10 appears when the number of emitted YAG laser beams is less than the set number of pulses. The cause may be that the PFN voltage is too low. Set 7 of the SW1 on display board ASSY to OFF (upper position).

  • Page 23: Error 12 Appears

    XYC14*RDA001E/E 4.5.6 Error 12 appears Error 12 appears when the number of pulses of the YAG laser is over the intended number. Replace the YL power supply board with a new one. (See 5.20.) 4.5.7 Error 13 appears Error 13 appears when the YAG laser is emitted even though the trigger switch is not pressed. The cause may be the malfunction by the noise.

  • Page 24: Error 14 Appears

    XYC14*RDA001E/E 4.5.8 Error 14 appears Error 14 appears when the flash lamp does not light. Remove the covers. Failure of the master board. Does the flash lamp light when the trigger Replace the master board with a new one. switch is ON or at the time of the test fire? (See 5.9.) Is the PFN voltage proper? Adjust the PFN voltage.

  • Page 25: Error 15 Appears

    XYC14*RDA001E/E 4.5.9 Error 15 appears Error 15 appears when the output energy of the YAG laser beam is not within ±20 % of the rating. Measure the output energy of the YAG Failure of the YAG laser unit. laser beam. Replace the YAG laser unit with a new one.

  • Page 26: Error 30 Appears

    XYC14*RDA001E/E 4.5.10 Error 30 appears Error 30 appears when the power supply for the laser head is faulty. Does the voltage of TP5 on the Is the wiring between 6 pin of Failure of the master board. YL board change from LOW J1 and 6th pin of P112 on the Replace the master board with to HIGH when the trigger...

  • Page 27: Error 31 Appears

    XYC14*RDA001E/E 4.5.11 Error 31 appears Error 31 appears when the PFN voltage is faulty. Compare the setting value Is the wiring between the YL Failure of the master board. of the PFN voltage at pa- power supply board and mas- Replace the master board with rameter 10 with that of the ter board proper?

  • Page 28: Error 50 Appears

    XYC14*RDA001E/E 4.5.12 Error 50 appears Error 50 appears when the signal from the photodiode is faulty. Check TP9 on the master board with the Failure of the master board. oscilloscope. Replace the master board with a new one. Is the ratio between the voltage of TP9 (See 5.9.) and indication on the energy display is 1V : 2.5mJ?

  • Page 29: Error 52 Appears

    XYC14*RDA001E/E 4.5.14 Error 52 appears Error 52 appears when the signal from the potentiometer for focus shift (VR3) is faulty. Is the voltage of TP7 on the master board Failure of the master board. between approx. 0.5V (ANT500) and 4.5V Replace the master board with a new one.

  • Page 30: Error 54 Appears

    XYC14*RDA001E/E 4.5.16 Error 54 appears Error 54 appears when the input signal of the number of pulses is faulty. Check the signals of 3rd pin of J110 on the master board and the signal of TP1 on the J110-3 sample board. Waveform of TP1 and J110-3 Is the signal of 3rd pin of J110 output Failure of the sample board.

  • Page 31: The Illumination Light Is Not Projected

    XYC14*RDA001E/E 4.6 The illumination light is not projected This trouble may occur when the power goes off or in the event of a contact failure of connectors. Is the illumination light projected when the brightness control is turned clockwise? Is the illumination light projected when the slit width is spread? Is the filament of the illumination lamp Replace the illumination lamp with a new...

  • Page 32: The Focusing Rod Looks Like Shifting When The Pd Is Adjusted

    XYC14*RDA001E/E 4.7 The focusing rod looks like shifting when the PD is adjusted Adjust the optical axis with the binocular tube if the illumination light shifts from the center of the visual field through the eyepieces when the pupil distance is changed by looking through the binocular tube for each eye.

  • Page 33: There Are Some Spots In The Illumination Light

    XYC14*RDA001E/E 4.10 There are some spots in the illumination light This trouble may occur when there is dirt on the optical path of the illumination light. Does the spot disappear by turning the filter Remove the dirt on the filter. disk? (See 6.2.2.) Dismount the focusing rod.

  • Page 34: The Slit Image Tilts When Turning It To The Vertical Position

    XYC14*RDA001E/E 4.14 The slit image tilts when turning it to the vertical position Adjust the vertical position of the slit image. (See 6.2.11.) 4.15 The slit does not fully close or open Adjust the closing and opening of the slit. (See 6.2.12 - 6.2.14.) 4.16 The position where the slit closes is shifted from the center Adjust the position of the slit shutter.

  • Page 35: Coarse Movement To Back And Forth Is Not Smooth

    XYC14*RDA001E/E 4.17 Coarse movement to back and forth is not smooth This trouble may occur when the foreign substance adheres to the pinion (axle) or rack (rail). Remove the cover of the wheel. Are the tooth of the pinion and rack Replace the failed pinion or rack with a new normal? one.

  • Page 36: Fine Movement To Back And Forth, And To Right And Left Is Not Smooth

    XYC14*RDA001E/E 4.19 Fine movement to back and forth, and to right and left is not smooth Replace the plate with a new one. (See 5.16.) 4.20 Vertical movement is not smooth Adjust the support for the vertical movement. (See 6.24.) 4 - 22...

  • Page 37: Aiming Beam Is Not Emitted

    XYC14*RDA001E/E 4.21 Aiming beam is not emitted Does the Aiming OFF indicator light? Press the aiming switches so that the aiming beam is turned ON. Failure of the aiming laser (laser diode). 4.22 The STATUS indicator for READY mode does not light Does the Aiming OFF indicator light? Press the aiming switches so that the aiming beam is turned ON.

  • Page 38: There Is An Unevenness In The Burnt Pattern

    XYC14*RDA001E/E 4.24 There is an unevenness in the burnt pattern This trouble may occur when there is dirt on the optical system of the YAG laser beam. [CAUTION] Be sure to use the tape on the surface of the burn paper to prevent soot from adhering to the optical system when checking the burnt pattern of the YAG laser beam inside the system.

  • Page 39: Setting Of The Number Of Pulses Cannot Be Changed

    XYC14*RDA001E/E 4.25 Setting of the number of pulses cannot be changed Wipe the side without the blue mark, of the flexible cable (between J106 and J201) with the alcohol. Can the number of pulses be set? Replace the display board ASSY with a new one.

  • Page 40: The Measured Energy Of Yag Laser Beam Is Not Normal

    XYC14*RDA001E/E 4.27 The measured energy of YAG laser beam is not normal This trouble may caused by the misadjustment of the indication on the energy display or malfunction of the YAG laser head. Adjust the energy of the YAG laser. (See 6.4.10.) Is the problem solved? Failure of the YAG laser head.

  • Page 41: Repair

    XYC14*RDA001E/E § 5 REPAIR 5.1 Removing covers Removing procedure of exterior covers of the YC-1600 is as follows. * The attachment procedures of each cover are the reverse order of each procedures described here. 5.1.1 Right cover 1) Loosen SB3 × × × × × 6 on the bottom of the cover.

  • Page 42: Left Cover

    XYC14*RDA001E/E 5.1.2 Left cover 1) Remove the left cover in the same manner as 5.1.1. Left cover 5.1.3 Bottom cover of the microscope arm 1) Swing the microscope arm to right or left. 2) Unscrew PC2.6 × × × × × 4 (n=2) and remove the bottom cover of the microscope arm.

  • Page 43: Front Cover

    XYC14*RDA001E/E 5.1.5 Front cover 1) Loosen SB3 × × × × × 6 and remove the front cover by pulling frontward. Front cover SB3 x 6 5.1.6 SL cover B Control 1) Remove cap from the control using the precise flatblade screwdriver.

  • Page 44: Switch Box

    XYC14*RDA001E/E 4) Remove the blind cover, and unscrew TC2.6 × × × × × 6. Then lift up the SL cover A to remove. SL cover A TC2.6 x 6 5.1.8 Switch box 1) Unscrew SB3 × × × × × 6 (n=2) on the back side of the base and remove the switch box.

  • Page 45: Left Cover Of The Lamp Housing

    XYC14*RDA001E/E 5.1.10 Left cover of the lamp housing Lever FC2×4 1) Remove the lamp housing by loosening the con- PC3×6 n=3 trol. 2) Remove caps from controls (4 parts) using the precise flatblade screwdriver. 3) Loosen nuts in the controls to remove them. 4) Unscrew PC3 ×...

  • Page 46: Voltage Check For Wall Outlet

    XYC14*RDA001E/E 5.3 Voltage check for wall outlet 1) Check the voltage between both polarities of the wall outlet using the AC range of the multimeter. [CAUTION] Pay attention not to get an electric shock. If the proper voltage (nominal voltage ±10%) is not supplied, the system cannot be used. Use the voltage regulator to supply the proper voltage.

  • Page 47: Replacement Of The Emergency Stop Switch

    XYC14*RDA001E/E the pilot lamp, using the soldering iron. Pilot lamp 4) Remove the nut and washer, then remove the pi- lot lamp. 5) Attach a new pilot lamp in the reverse order. 5.6 Replacement of the Emergency stop switch 1) Verify that the key switch is in the OFF position. 2) Remove the switch box.

  • Page 48: Replacement Of The Switching Power Supply

    XYC14*RDA001E/E 5.8 Replacement of the switching power supply 1) Disconnect P2 and remove the PS ASSY. 2) Connect P2 of the new PS ASSY to J2 connec- tor. 5.9 Replacement of the master board 1) Remove the left cover. See 5.1.2. Master board 1chip CPU (IC1) 2) Remove all connectors on the master board.

  • Page 49: Replacement Of The Focus Assy

    XYC14*RDA001E/E 5.10 Replacement of the focus ASSY 1) Remove the right cover. See 5.1.1. 2) Remove the left cover. See 5.1.2. 3) Remove the control board ASSY. See 5.9. 4) Loosen SB3 × × × × × 4 (n=3) and remove the focus ASSY. [CAUTION] Hold the focus ASSY with hand to prevent scratches on the glass parts when removing the focus ASSY.

  • Page 50: Replacement Of The Display Board Assy

    XYC14*RDA001E/E 5.11 Replacement of the display board ASSY SB3 x 6 (n=2) 1) Remove the right cover. See 5.1.1. 2) Remove the left cover. See 5.1.2. 3) Remove the control board ASSY. See 5.9. 4) Swing the microscope arm more than 45º to right or left.
  • Page 51 XYC14*RDA001E/E 6) Loosen PC3 × × × × × 4 and remove the GND cables from the YAG laser unit. YAG laser unit GND cables form the YAG laser unit 7) Loosen SB3 × × × × × 6 (n=3) and remove the YAG la- ser unit from the laser head support.

  • Page 52: Replacement Of The Energy Monitor Assy

    XYC14*RDA001E/E 5.13 Replacement of the energy monitor ASSY CK2×4 (n=2) 1) Remove the right cover. See 5.1.1. 2) Remove the left cover. See 5.1.2. 3) Disconnect P110 on the master board. 4) Unscrew CK2 × × × × × 4 (n=2) and remove the sample board.

  • Page 53: Replacement Of The Wheel Shaft

    XYC14*RDA001E/E 5.15 Replacement of the wheel shaft spacer Pinion 1) Remove the cover for pinion. See 5.14. 2) Remove the pinions by unscrewing screws which fix them. See 5.15. Axle FK2×4 (n=2) 3) Remove the right and left spacers by unscrew- ing FK2 ×...

  • Page 54: Replacement Of The Yag Shutter Assy

    XYC14*RDA001E/E 5.17 Replacement of the YAG shutter ASSY YAG shutter ASSY 1) Remove the focus ASSY. See 5.10. 2) Unscrew SB3 × × × × × 5 and remove the YAG shutter ASSY. 3) Assemble the new YAG shutter ASSY in the re- verse order.

  • Page 55: Replacement Of The Yl Cable Assy

    XYC14*RDA001E/E 5.19 Replacement of the YL cable ASSY YL power supply board 1) Remove the left cover. See 5.1.2. 2) Disconnect P112 on the master board. 3) Remove the cover of the microscope arm. See 5.1.4. 4) Disconnect P1 on the YL power supply board. 5) Remove the YL cable ASSY (P1-P112 cable).

  • Page 56: Replacement Of The Illumination Assy

    XYC14*RDA001E/E 5) Unscrew PC3 × × × × × 6 (n=4) and remove the sensor which detects the position of the lamp housing. 6) Assemble the new YL power supply board in the reverse order. 7) Adjust the PFN voltage. See 6.4.3.

  • Page 57: Replacement Of The Vertical Driving Axel Of The Chin Support

    XYC14*RDA001E/E 5.22 Replacement of the vertical driving axle of the chin support * If the chin support goes down during use, replace SL5HR-1L M007 (the vertical Head rest AS driving axle). 1) Unscrew PC3 × × × × × 10 , HH4 ×...
  • Page 58 XYC14*RDA001E/E 3) Unscrew M015 and remove the sub-assembly A. 4) Remove M347 (grip) form the sub-assembly A. Sub-assembly A 5) Unscrew the fixing screw (FK2× × × × × 4 ) and remove M344. 6) Unscrew the fixing screw (FK2× × × × × 4 ) and remove M014.

  • Page 59: Adjustment Of The Microscope And Binocular Tube

    XYC14*RDA001E/E § 6 CHECK AND ADJUSTMENT 6.1 Adjustment of the microscope and binocular tube 6.1.1 Check of the optical axis of microscope 1) Set the magnification of the microscope to 10× × × × × and the slit length to maximum. 2) Verify the position of the slit image on the focusing rod by looking through the micro- scope with each eye respectively.

  • Page 60: Adjustment Of The Prism Holder Position

    XYC14*RDA001E/E 6.1.3 Adjustment of the prism holder position If the slit image shifts in the visual field when the PD is changed, follow the procedure below for adjustment. FK2 x 4 1) Unscrew FK2 × × × × × 4 (n=4) and remove the cover of the binocular tube.

  • Page 61: Adjustment Of The Optical Axis With The Microscope Head

    XYC14*RDA001E/E 6.1.4 Adjustment of the optical axis with the microscope head [CAUTION] Never turn the eyepiece dioptric adjustment control during the adjustment. 1) Mount the focusing rod. Move to right and left 2) Remove the right and left covers. See 5.1.1 and 5.1.2. 3) If the optical axis deviates in the horizontal di- rection, loosen SB4 ×...

  • Page 62: Adjustment Of The Illumination Part

    XYC14*RDA001E/E 6.2 Adjustment of the illumination part 6.2.1 Cleaning of the optical system for illumination If dirt can be seen in the illumination light, clean the optical system for the illumination as described below. Part to be cleaned. 1) Wipe the prism with the mixed solvent of alcohol. FK2 x 4 2) Unscrew FK2 ×...

  • Page 63: Cleaning Of The Filters

    XYC14*RDA001E/E 5) Assemble the barrel. [CAUTION] Be sure to slide the pin into the slot. 6.2.2 Cleaning of the filters 1) Remove the right and left covers of the lamp Filter housing. See 5.1.9 and 5.1.10. 2) Remove dirt on the filter using the blower and wipe it with the mixed solvent of alcohol.

  • Page 64: Adjustment Of The Focus Of Illumination

    XYC14*RDA001E/E 6.2.4 Adjustment of the focus of illumination 1) Make the slit image horizontal and thin. 2) Slightly rotate the focusing rod to right and left. 3) Judge the focus of the illumination from the condition of the slit image at this time. The figure below shows the condition of the slit image and the inclination of the focusing rod.

  • Page 65: Illumination Focus Adjustment For The Prism Head Without Tilting Mechanism

    XYC14*RDA001E/E 6.2.5 Illumination focus adjustment for the prism head without tilting mechanism 1) Remove the prism head cover. (Refer to 5.6.2 of the operator’s manual.) 2) Loosen TG2 × × × × × 4 which fixes the projection lens holder inside the prism head. 3) Turn the focus adjustment ring on the side of the prism head, and tighten TG2 ×...
  • Page 66 XYC14*RDA001E/E 3) Loosen the stop ring with a spanner wrench. * Pay attention not to scratch the lens with the span- Stop ring ner wrench. 4) Turn the projection lens holder with the precise screwdriver to adjust the focus. • For case 1: Turn the projection lens holder clock- wise.

  • Page 67: Check Of The Optical Axis Of Illumination

    XYC14*RDA001E/E 6.2.7 Check of the optical axis of illumination 1) Set the illumination spot to φ φ φ φ φ 9 (second largest spot) and the magnification of the microscope to 10× × × × × . 2) Verify that the illumination image is at the cen- ter of the focusing rod.
  • Page 68 XYC14*RDA001E/E 6.2.10 Adjustment of the optical axis for prism head with tilting mechanism (vertical) Guide pin 1) Turn the slit rotation control to 0º (Top level). TG2 x 4 2) Set the illumination spot to φ φ φ φ φ 0.2 (minimum (n=2) spot).

  • Page 69: Adjustment Of The Vertical Position Of Slit

    XYC14*RDA001E/E 6.2.11 Adjustment of the vertical position of slit Follow the procedures below to adjust the slit if it is tilted when the slit is turned to be vertical. 1) Remove the right and left covers of the lamp housing. SB3 x 8 (n=4) HH3 x 3 See 5.1.9 and 5.1.10.

  • Page 70: Adjustment Of The Closing Of Slit

    XYC14*RDA001E/E 6.2.12 Adjustment of the closing of slit 1) Remove the right and left covers of the lamp housing. See 5.1.9 and 5.1.10. 2) Turn the adjustment screw on the lower side of the lever while the diameter of cam is in the minimum position (the slit is fully closed) to adjust the position where the slit starts to be closed.

  • Page 71: Check And Adjustment Of The Horizontal Slit Image

    XYC14*RDA001E/E 4) Adjust the stopper position where the slit is fully closed. Use this stopper to adjust the position where the slit is fully closed. 5) Go to 6.2.13. 6.2.13 Check and adjustment of the horizontal slit image 1) Mount the focusing rod and set the magnifica- tion of microscope to 10×...
  • Page 72 XYC14*RDA001E/E 6) If the slit image position does not coincides with the position described in the step 4), adjust with the adjustment screw. Turn the screw of the adjustment part with forceps to adjust the position of two knife edges of the slit. Adjustment part Adjustment screw •...

  • Page 73: Check And Adjustment Of The Vertical Slit Image

    XYC14*RDA001E/E 6.2.14 Check and adjustment of the vertical slit image 1) Make the slit image vertical and long on the fo- cusing rod, and verify that the slit image posi- tion coincides with the position where the hori- zontal slit image starts to be closed. CK2 x 3 (n=2) Aperture click 2) If the slit image position does not coincides with...

  • Page 74: Adjustment Of The Slit Shutter Position (Vertical)

    XYC14*RDA001E/E 6.2.16 Adjustment of the slit shutter position (vertical) 1) Remove the right and left covers of the lamp housing. See 5.1.9 and 5.1.10. 2) Loosen SB3 × × × × × 6 (n=4) and move the aperture disk to the position where the rotation centers of the slit and knife edge become the same, and tighten SB3 ×...

  • Page 75: Adjustment Of The Aiming Beam

    XYC14*RDA001E/E 6.3 Adjustment of the aiming beam 6.3.1 Fixing the aiming shutter plate 1) Remove the aiming shutter ASSY. See 5.18. 2) The following illustrations are the attachment position of the spring (M059) and the spring hook (M161). Shatter base(M123) Spring(M059) Approach the spring hook(M161) to the shatter base(M123)

  • Page 76: Check Of The Sensor For Aiming Shutter

    XYC14*RDA001E/E 4) Apply the threadlocker around the steel plate of SB3x8 , PC2x3 , SB3x5, and M161 after adjusting. Do not apply the threadlocker to the screw head of SB3x15. Apply the threadlocker to the outstanding side of M123. Apply the threadlocker around 5) Assemble the aiming shutter ASSY.

  • Page 77: Adjustment Of The Optical Axis Of Aiming Beam

    XYC14*RDA001E/E 6.3.3 Adjustment of the optical axis of aiming beam Refer to 5.6.3 of the operator’s manual. 6.3.4 Focus adjustment of the aiming beam Lens holder FG2×2 1) Put two aiming beam together on the focusing rod. 2) Loosen FG2 × × × × × 2 and turn the lens holder of the Beam aperture ASSY to obtain the focus.

  • Page 78: Adjustment Of The Aiming Energy

    XYC14*RDA001E/E 6.3.6 Adjustment of the aiming energy 1) Attach the power meter to the head rest support and set the detector of the power meter so that the aiming beam enters the detector. 2) Adjust the aiming energy. See 6.3.7 and 6.3.8. Counter display Reset switch Aiming level indicator...

  • Page 79: Adjustment Of The Maximum Energy

    XYC14*RDA001E/E 6.3.7 Adjustment of the maximum energy 1) Adjust the VR1 on the control board ASSY so that the aiming energy becomes 25 ±5 µW when the bar graph of the aiming level indicator shows maximum by pressing the aiming switches. (The energy increases by turning the VR1 clock- wise, and it decreases by turning the VR1 counter- clockwise.)

  • Page 80: Adjustment Of The Yag Laser

    XYC14*RDA001E/E 6.4 Adjustment of the YAG laser 6.4.1 Adjustment of the YAG shutter 1) Remove the YAG shutter ASSY. YAG shutter ASSY See 5.17. PC2 6 2) Loosen PC2 × × × × × 6 (n=2). Solenoid is OFF. 3) Connect the disconnected connector and turn ON the key switch.

  • Page 81: Check Of The Sensor For Yag Shutter

    XYC14*RDA001E/E 6.4.2 Check of the sensor for YAG shutter 1) Remove the YAG shutter ASSY. See 5.17. 2) Connect the disconnected connector and turn ON the key switch. 3) Verify that 5th and 6th pins of J102 on the master board become as shown in the tables below when the detecting light is interrupted by inserting a board or metal plate into the slot of the sensor for the YAG shutter (2 positions;...
  • Page 82 XYC14*RDA001E/E 7) Set the address indicated on the counter display to “10” by pressing the aiming switches. [Setting of the system parameter] Address Contents Initial setting PFN voltage 8) Press the status switch to blink the indications on the energy display. 9) Set the indications on the energy display to “440”...

  • Page 83: Adjustment Of The Pfn Voltage

    XYC14*RDA001E/E 6.4.4 Adjustment of the PFN voltage 1) Set No. 1 and 6 of SW1 on the display board ASSY to OFF (upper) position. 2) Set the address indicated on the counter display to “10” by pressing the aiming switches. 3) Press the status switch to blink the indications on the energy display.
  • Page 84 XYC14*RDA001E/E 14) Set No. 6 of SW1 on the display board ASSY to OFF (upper) position. 15) Set the address indicated on the counter display to “10” by pressing the aiming switches. 16) Press the status switch to blink the indications on the energy display. 17) Correct the numeric value indicated on the energy display with the aiming switches follow- ing the standard below.

  • Page 85: Adjustment Of The Mirror Holder 3 And Optical Axis Of Yag Laser Head

    XYC14*RDA001E/E 6.4.5 Adjustment of the mirror holder 3 and optical axis of YAG laser head 1) Stick the burn paper on the head rest and manipulate the joystick so that the aiming beam is brought into focus on the burn paper. 2) Adjust the decentering shaft (n=2) and SB2 ×...

  • Page 86: Adjustment Of The D Mirror Assy (Aligning The Yag Laser Beam To The Aiming Beam)

    XYC14*RDA001E/E 6.4.7 Adjustment of the D mirror ASSY (aligning the YAG laser beam to the aiming beam) Refer to 5.6.4 of the operator’s manual. 6.4.8 Adjustment of the focus of YAG laser Perform this procedure after the adjustment of the optical axis of YAG laser head (6.4.5). •...

  • Page 87: Adjustment Of The Focus Shift

    XYC14*RDA001E/E 6.4.9 Adjustment of the focus shift Perform this procedure after Alignment of 0µm. 1) Turn the click to 0µm position. 2) a. Set No.1 and 6 of SW1 on the display board POST ASSY to OFF (upper) position and the param- eter adress to any one of the numbers from 40 to 48.

  • Page 88: Adjustment Of The Yag Laser Energy

    XYC14*RDA001E/E 6.4.10 Adjustment of the YAG laser energy Perform this procedure after the adjustment of the optical axis of YAG laser head (see 6.4.5) and adjustment of the focus of YAG laser (see 6.4.8). • Adjustment of the actual energy (maximum) 1) Set the detector in order that the aiming beam shall go into it.
  • Page 89 XYC14*RDA001E/E • Adjustment of the YAG laser indicated energy 1mJ 1) Attach the detector of the energy meter to the chinrest. CAUTION) When using the energy meter MODEL-365, attach a dispersion lens in front of the objective lens. 2) Adjust the chinrest and manipulate the joystick so that the aiming beam comes into the detector.
  • Page 90 XYC14*RDA001E/E 8) Set No. 1 and 6 of SW1 on the display board ASSY to ON (lower) position. 9) Turn ON the key switch again. 10) Turn the energy control to Max. position. 11) Emit 10 shots of the YAG laser beam in SINGLE mode and press the reset switch. 12) Emit 10 shots of the YAG laser beam in DOUBLE mode and press the reset switch.
  • Page 91 XYC14*RDA001E/E If the measured result is out of the spec, go to the next step. Perform this verification for the energy, 1, 3, 5, 7.5, and Max. Counter display Reset switch Aiming level indicator Aiming switches Energy display Status switch •...
  • Page 92 XYC14*RDA001E/E 23) Change the system parameter so that the difference between the actual energy and indi- cated energy meets the specifications as described above. [System parameter setting] Address Contents Initial setting Preset potential Min. Preset potential 1mJ Preset potential 3mJ Preset potential 5mJ Preset potential 7.5mJ Preset potential Max.

  • Page 93: Other Adjustments

    XYC14*RDA001E/E 6.5 Other adjustments 6.5.1 Adjustment of the smoothness of vertical movement 1) Loosen PC2.6 × × × × × 6 (n=4) and verify that the vertical movement becomes smooth. 2) If the movement is smooth, tighten PC2.6 × × × × × 6 (n=4). If not, tighten PC2.6 × × × × × 6 (n=4) and go to step 3).

  • Page 94: Adjustment Of Indicated Energy From Outside Of The Device And Settable Function

    XYC14*RDA001E/E 6.6 Adjustment of indicated energy from outside of the device and settable function 6.6.1 Adjustment of indicated energy of YAG laser 6.6.1.1 Gain adjustment e.g.) If the actual energy is 11mJ and indicated energy is 10mJ, increase the indicated value 10%. In this case, set the parameter value to set energy ×...

  • Page 95: Release Of Tilting Lens-Barrel (Option) Control

    XYC14*RDA001E/E ∆∇ ∆∇ 1) Turn on the key switch while pressing “Aiming ∆∇ ∆∇ ∆∇ ” and “READY”. 2) After starting the device, set the adress to 19 (A L) and adjust the set energy. 3) Restart the device and check the actual energy. 6.6.3 Release of tilting lens-barrel (option) control If the tilting lens-barrel is set in front of the laser output with the barrel lifted, YAG laser strikes the lighting lens-barrel, which may cuase a difference between indicated energy and actual energy.
  • Page 96 XYC14*RDA001E/E 6 - 38...

  • Page 97: Wiring Diagram

    XYC14*RDA001E/E § 7 WIRING DIAGRAM 7 - 1...
  • Page 98 XYC14*RDA001E/E 7 - 2...

  • Page 99: Error Code List

    XYC14*RDA001E/E § 8 ERROR CODE LIST Error code and dip switch of the YC-1600 are as follows. 8.1 Error code list Symptom Cause Error No. The internal structures of the system The inside temperature is 45°C or more. have been overheated.

  • Page 100: Dip Switch List

    XYC14*RDA001E/E 8.2 Dip switch list Normally, all dip switches (SW1) on the display board are set to “ON” (lower position). The following operations are performed by setting them to “OFF” (upper position). [CAUTION] Set all switches to “ON” after the service. If any switches remain “OFF”, “D. P. (Decimal Point)”...

  • Page 101: Other Indications

    XYC14*RDA001E/E 8.3 Other indications If any problem occurs when handling each switch, the following abbreviations are indicated on the focus shift display. “A. P.”..appears when the status switch is pressed though the aiming beam is set to OFF. Set the aiming beam to ON. “S.
  • Page 102 XYC14*RDA001E/E 8 - 4...

  • Page 103: System Parameter List

    This section describes the system parameters of the YC-1600. The EEPROM is built in the YC-1600 to store data at the time of the adjustment. By changing the data (hereafter called parameter), for example, it is possible to change the laser output energy, timing of opening/closing of each shutter and various settings.

  • Page 104: Original Setting Of The System Parameters

    XYC14*RDA001E/E 9.2 Original setting of the system parameters Caution) It is necessary to set the necessary data because all data is initialized. 1 Remove the front cover. See 5.1.1. 2) Turn ON the key switch. 3) Turn OFF (upper position) No. 6 of the SW 1 on the display board ASSY. 4) Set the address indicated on the counter display to “99”...

  • Page 105: Contents Of Parameters

    XYC14*RDA001E/E 9.3 Contents of parameters Address Abbreviation Initial setting Details Control of the adjustment mode 0: Normal mode 1: Adjustment mode Control of the sound of the laser shot 0: Sound 1: No sound Not used Countdown timer (Not used at present) Total counter operation stop 0: Operation 1: Stop Not used...
  • Page 106 XYC14*RDA001E/E Address Abbreviation Initial setting Details Correction factor for present SINGLE Correction factor for present DOUBLE Correction factor for present TRIPLE Correction factor (spare) Correction factor (spare) Memory of last ERR value Memory of last counter value Memory of total counter value Memory of aiming value Preset Min.
  • Page 107 XYC14*RDA001E/E Address Abbreviation Initial setting Details Not used Not used Not used Not used Not used Not used Not used Present ENERGY DATA Min. Present ENERGY DATA 1mJ Present ENERGY DATA 3mJ Present ENERGY DATA 5mJ Present ENERGY DATA 7.5mJ Present ENERGY DATA Max.
  • Page 108 XYC14*RDA001E/E Address Abbreviation Initial setting Details Not used Not used Not used Not used The number of pulses at automatic PFN adjustment (0: 4 pulses 1: 5 pulse) Not used Not used Setting for destination (Not used at present) Burst (spare) Burst (spare) Not used Not used...

  • Page 109: Consumables

    XYC14*RDA001E/E § 10 LIST OF PARTS TO BE PEPLACED This section describes the list of parts to be replaced. 10.1 Consumables Part No. Name Specifications 80402-02044 Fuse 6.3A 250V 5 20MM 80426-00015 Lamp 12V 30W 10.2 Parts to be repaired and replaced Part No.
  • Page 110 XYC14*RDA001E/E 10 - 2...

  • Page 111: Tools, Measurement Device, Solvent And Jigs

    XYC14*RDA001E/E § 11 TOOLS, MEASUREMENT TOOLS, SOLVENT AND JIGS 11.1 Tools (1) Phillips screwdriver set (9) Forceps (2) Flatblade screwdriver set (10) Soldering iron (3) Precise screwdriver set (11) Solder removal (4) Hex. wrench set (mm) (12) Cleaner for iron (5) Hex.

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