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Topcon SL-D7, Repair Manual

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26

2-3-4 Trouble shooting (Power supply unit)

Does the 

pilot lamp 

 light 

when the power switch

 

 is ON?

2

1

The pilot lamp does not light.

NO

YES

Inspection 1

The pilot lamp blinks.

Inspection 7

Does the 

halogen lamp light?

The halogen lamp does not light.

NO

YES

Inspection 2

Does the 

light intensity of 

the halogen lamp change 

continuously by using the 

light adjusting 

volume

?

30

The light intensity of the halogen
lamp does not change continuously.

NO

YES

Inspection 3

Is the 

brightness of the halogen 

lamp normal?

The halogen lamp is dark.

NO

YES

Inspection 4

Does the external 

fixation lamp light?

The external fixation LED does not
light.

NO

YES

Inspection 5

Is R/L detected?

R/L is not detected.

NO

YES

Inspection 6

Normal

R-SLD7-0-0308-11

Summary of Contents for SL-D7

Page 1: ...ISSUED AUG 2003 REVISED REPAIR MANUAL SL D7 SLIT LAMP TOPCON CORPORATION R SLD7 0 0308 11 ...

Page 2: ... Repairing Order 20 2 3 1 Disassembly and assembly of illumination unit 21 2 3 2 Disassembly and assembly of power supply unit 24 2 3 3 Trouble shooting Main body 25 2 3 4 Trouble shooting Power supply unit 26 2 3 5 Wiring check 31 2 3 6 Electric parts arrangement 32 2 3 7 List of electric part numbers 36 2 4 List of Repair Tools 37 2 4 1 List of special repair tools 37 2 4 2 List of general repai...

Page 3: ...w to Use This Repair Manual 1 Follow the procedure described in the flowchart below YES NO NO YES Trouble Study of cause and details Need to service Repair Check Is operation Cleaning Packing Completed normal R SLD7 0 0308 11 ...

Page 4: ... repairing this instrument use proper materials and tools correctly according to this manual 4 As a rule a metallic part should be replaced as a single part and an optical part as a unit in this manual 5 Refer to the service parts list for the disassembly or assembly of the component not mentioned in this manual 6 Don t use other lubricating oils or adhesives except those specified 7 Order repair ...

Page 5: ...3 1 3 Nomenclature For Japan R SLD7 0 0308 11 ...

Page 6: ...epiece tightening knob Barrier filter unit Objective lens Slit width adjusting handle Inclination stop lever Centering knob Mirror R L lock switch Aperture slit change handle Filter selection lever Aperture slit display window Lamp house cover Chin rest Forehead rest Diffusion lens Connector for light adjustment 5P Connector for image taking in operation 8P Color temperature conversion filter Note...

Page 7: ...5 For TMS TE TS and General R SLD7 0 0308 11 ...

Page 8: ...ange handle Eyepiece tightening knob Barrier filter unit depending on destination TE Objective lens Slit width adjusting handle Inclination stop lever Centering knob Mirror Fixation target Aperture slit change handle Filter selection lever Aperture slit display window Lamp house cover Chin rest Forehead rest Diffusion lens Connector for optical adjustment 5P Connector for image taking in operation...

Page 9: ...7 1 4 Optical Arrangement 1 Illumination system 2 Observation system Filament position Slit position Magnification unit Eyepiece unit R SLD7 0 0308 11 ...

Page 10: ...tive lens Magnification drum lens Eyepiece objective lens Used to focus the observed image in the eyepiece and to align the optical axis Image erecting prism Changes the inverted image in the microscope to the erect one and adjusts the rotation centering axis to prevent the image from moving due to the pupillary distance shift Eyepiece Magnifies the observed image in the microscope and adjusts the...

Page 11: ...G 26 YEL AWG 26 30K AWG 18 GRN YEL P1 CN1 P1 CN1 P1 CN2 1 2 3 4 5 6 1 2 3 4 5 6 7 8 1 2 3 4 5 1 2 3 4 5 J2 J2 J2 J3 J3 J3 J3 P52 AWG22 AWG22 AWG18 AWG18 AWG18 AWG18 PUR PIN BRN BRN BLU BLU AWG18 CORD1 E AWG18 AWG18 YEL GRN YEL GRN BRN BLU P52 P1 P1 P1 P51 P55 P55 CN2 CN2 CN2 CN2 CN2 CN2 CN2 P53 P53 P54 P54 P54 P51 P51 1 2 3 4 5 6 7 8 9 10 11 12 Pilot LED Orange Purple Pink Brown Blue Yellow Green ...

Page 12: ...1 2 3 4 5 6 1 2 3 4 5 6 7 8 1 2 3 4 5 1 2 3 4 5 J2 J2 J2 J3 J3 J3 J3 P52 AWG22 AWG22 AWG18 AWG18 AWG18 AWG18 PUR PIN BRN BRN BLU BLU AWG18 CORD1 E AWG18 AWG18 YEL GRN YEL GRN AWG18 YEL GRN BRN BLU P52 P1 P1 P1 P51 P55 P55 CN2 CN2 CN2 CN2 CN2 CN2 CN2 P53 P53 P54 P54 P54 P51 P51 Pilot LED Halogen lamp DC 1 Power supply Output 12V 1A Volume External fixation target External fixation target LED LDE1 S...

Page 13: ...Center setting of aperture and slit image P 16 6 The slit image shifts due to the slit rotation Set the aperture to φ0 2 Rotate the slit verti cally and then horizontally and measure the maximum shift distance of the slit image on the focusing rod Slit image shift setting when rotating the slit P 17 Eyepiece with scale Standard scale 7 The slit image is out of focus Even after setting the same foc...

Page 14: ... fixing the microscope on the arm Change magnification as looking into the diopter telescope Move the microscope back and forth tighten the screws 6S4 12S SUS where it is in focus and apply the screw lock Displayed magnification Diopter difference dpt 25 0 5 16 0 6 10 0 15 Minimum 0 35 6S4 12S SUS 3 pcs Project the image on the focusing rod and decrease the maximum magnifi cation to the minimum 1 ...

Page 15: ...70 1501 so that the finest focus is obtained at the 0 diopter on the scale After adjustment apply the screw lock Mount the eyepiece unit on the magnification unit Turn the magnification unit clamp knob clock wise to couple the eyepiece unit with the magni fication unit and then set the magnification drum at 25 6 Focus each unit by moving the magnification lens frame 44670 1016 forward and backward...

Page 16: ...table at left for the difference levels When something is wrong with the magnifica tion unit Move the image lens frames 44670 1013 44670 1016 with each 3 pcs of CQ2 5S at 40 and 25 6 to be within the standard After adjustment tighten the screws well and apply the screw lock Standard scale Eyepiece with scale Magnification unit Eyepiece unit Right eye Difference in Eyepiece scale Inward height 1 2 ...

Page 17: ... pupillary distance prism box from the mini mum to the maximum to check the difference from the standard scale Move the eyepiece holder 44670 1521 with the screws 6SV3 6S 3 pcs each until the image does not move even when moving the pupillary distance prism box from the minimum to the maximum in both right and left Tighten the screws 6SV3 6S 3 pcs each fully after setting the accuracy Nut 44770 15...

Page 18: ...periph ery toward the center at aperture φ0 2 Put the eyepiece with scale into the microscope unit and adjust the diopter with the dipoter adjusting ring Project the slit size of φ0 2 on the focusing rod Check the amount of off center by moving the slit change handle Loosen the screws 6S3 16SUS 4 pcs and make adjustment by moving the slit unit right and left or up and down Tighten the screws fully...

Page 19: ...down and 0 1 in right and left by loosening the screw V3 6S on the head of the aperture filter unit The above adjustment should be accompanied with Procedure 6 in the previous page 8 Focus setting of slit image Adjust the diopter of the microscope unit with the diopter adjusting ring Project the aperture of φ14 on the focusing rod Loosen the screws U3 3S 4 pcs and set the focus by moving the illum...

Page 20: ...left movement within 0 1 After adjustment tighten the screws fully and apply the screw lock 10 Slit image shift setting when inclined Put the eyepiece with scale into the microscope unit and adjust the diopter with the diopter adjusting ring Project the aperture of φ0 2 on the focusing rod Watch the amount of movement as moving the inclination unit as shown by the arrow Make adjustment with the sc...

Page 21: ...w as possible to obtain the maximum length Loosen the eccentric tightening screw 6SU5 6SUS Adjust the inclination to be within 1 with the eccentric screw 44670 3513 After adjustment apply the screw lock 13 Adjustment of slit width adjusting force When the slit width adjusting knob operation becomes too light and slit narrows the width by itself adjust it by tightening the screw U4 4S in the center...

Page 22: ...al equip ment is required Only suitably qualified persons should carry out the following work 2 The special tools for repair are as follows White whetstone for slit Slit holder tool If these tools are required order them from TOPCON 3 Before loosening screws if the screw lock has been applied to them dissolve it using Isoamyl acetate When retightening them after repair apply the fresh screw lock R...

Page 23: ...6S3 16SUS 4 pcs Remove the slit unit by pulling up 2 Removing the aperture filter change lever unit Remove the screws CR2 6SUS 2 pcs Remove the filter handle cover 44770 2601 For TAC 44675 2524 Loosen the screws U2 6 2 5S 2 pcs Plug Lamp house unit 1 2 Slit unit Aperture filter unit 6S3 6SUS Aperture change gear CR2 6SUS Cover 44770 2601 For TAC 44675 2524 U2 6 2 5S Aperture change 4 pcs 40310 251...

Page 24: ...trol link up and down with your finger Make sure that the slit width control link is tightly connected with the plate If not move the link up and down by turning the rod pin for adjustment In case of the wedge shaped slit blade after applying the amyl solvent to the top of the screws for dissolving the screw lock adjust it by loosening the screws CQ3 8S 2 pcs a little against the main blade to clo...

Page 25: ...only the burred part lightly by hand After whetting wipe off the machine oil with ether and apply it thinly to the whetstone again 2 Stiffness and unevenness of the aperture slit change handle If the aperture change handle has stiffness uneven ness or play remove the screws CR2 6SUS 2 pcs remove the cover 44770 2601 loosen the set screws U2 6 2 5S 2 pcs of the aperture change gear 40310 2518 and a...

Page 26: ...nd and then remove the socket 2 Removing the plug P1 Remove the two screws Remove the screw Remove the clamp from the plug by turning Remove the cords For TE the earth terminal is prepared Screw Upper cover Cord bushing Screw Plug P7 Socket Earth terminal Lower cover Plug P9 Cord retainer Screw Clamp Plug P1 Screw Screw A C B D E 1 A 2 3 B C 1 D 2 E 3 4 R SLD7 0 0308 11 ...

Page 27: ...n the aperture of φ0 2 and the slit center The accuracy is not good in the incorpo ration of the slit unit and illumination unit Loosen the slit box tightening screws 4 pcs to position them accurately Standard scale Eyepiece with scale P 16 3 Difference between the slit center and microscope center The reflection mir ror in the illumina tion unit is not positioned correctly Position the reflec tio...

Page 28: ...n 2 Does the light intensity of the halogen lamp change continuously by using the light adjusting volume 30 The light intensity of the halogen lamp does not change continuously NO YES Inspection 3 Is the brightness of the halogen lamp normal The halogen lamp is dark NO YES Inspection 4 Does the external fixation lamp light The external fixation LED does not light NO YES Inspection 5 Is R L detecte...

Page 29: ... turned ON OFF The power switch is faulty Replace 1 NO YES Is the output voltage of the SW power supply normal 5 1V 15V The SW power supply is faulty Replace the power supply unit NO YES Is the pilot lamp broken The pilot lamp is faulty Replace 2 YES NO Wiring check 1 Is the connector for light adjustment 5P or the illumination connector set correctly Connect it correctly NO The pilot lamp blinks ...

Page 30: ...the halogen lamp burned out The halogen lamp is faulty Replace 28 YES The halogen lamp does not light Wiring check 2 NO Does the light adjusting volume change The light adjusting volume is faulty Replace 30 NO The light intensity of the halogen lamp does not change continuously Wiring check 3 YES R SLD7 0 0308 11 ...

Page 31: ...4 NO Is the output voltage of the SW power supply normal 5 1V 15V The SW power supply is faulty Replace 3 NO YES Is the resistance of the light adjusting volume normal 0 30kΩ The light adjusting volume is faulty Replace 30 NO YES Is the external fixation LED broken The external fixation LED is faulty Replace 26 YES Wiring check 5 NO Is the rectifying diode broken The diode is faulty Replace 25 YES...

Page 32: ... Procedure Inspection Details Is the R L lock switch set to A auto Set it to A auto NO Wiring check 6 YES Does the microswitch operate sound click Adjust the height of the microswitch NO YES R L is not detected R SLD7 0 0308 11 ...

Page 33: ...3 Inlet N Fuse holder F2 Power switch SW1 SW power supply P1 1 Connector P52 1 Pilot lamp P L Connector P52 2 Pilot lamp P L 2 Disconnection Short circuit Connector P2 1 Halogen lamp H L Connector P2 2 Halogen lamp H L Connector J1 3 Connector P2 3 P1 1 Volume CN1 1 Connector J1 4 Connector P2 4 P1 2 Volume CN1 2 Connector J1 5 Connector P2 5 P1 3 Volume CN1 3 3 Disconnection Short circuit Connect...

Page 34: ...32 2 3 6 Electric parts arrangement 1 PS 70 PS 70A PS 70E Power supply PS 70E for TE is equipped with the insulation plate and fireproof plate J3 J1 J2 R SLD7 0 0308 11 ...

Page 35: ...33 2 Halogen lamp cord R SLD7 0 0308 11 ...

Page 36: ...34 3 Halogen lamp and socket R SLD7 0 0308 11 ...

Page 37: ...35 4 External fixation target 5 Cross slide unit CN1 CN2 R SLD7 0 0308 11 ...

Page 38: ...Hirose Plug P3 40420 55320 MAS30 Harshmann Power cord set 42364 51100 Hanai Densen Japan Power cord set 44681 65010 Hanai Densen TMS Power cord set 40130 50041 Hanai Densen TE TS General Socket pin 44680 41580 Plug P1 44642 41510 HR10LA5PS600 Black Hirose TMS Diode D2 06510 20760 1S2076A Hitachi External fixation LED LED2 44670 42060 HBR5566X Stanley Halogen lamp H L 44680 25700 LIFEEREX 12V 30W H...

Page 39: ...t Standard scale Thickness of scale line 0 02mm Interval of one graduation 0 1mm Image shift by pupillary distance adjustment Difference between aper ture and slit Slit image shift by slit rotation Slit image shift by incli nation Slit image shift when rotating the slit illumina tion unit horizontally in 30 right and left each Focusing rod with vertical marking line Inclination of slit image Teste...

Page 40: ...antech Industrial Complex SINGAPORE 128381 Phone 62780222 Fax 62733540 www topcon com sg TOPCON SOUTH ASIA PTE LTD Excella Business Park Block C Ground 1st Floor Jalan Ampang Putra Taman Ampang Hillir 55100 Kuala Lumpur MALAYSIA Phone 03 42701068 Fax 03 42704508 TOPCON INSTRUMENTS MALAYSIA SDN BHD 77 162 Sinn Sathorn Tower 37th Fl Krungdhonburi Rd Klongtonsai Klongsarn Bangkok 10600 THAILAND Phone...

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