Topcon Compu-Vision CV-5000 Repair Manual Download Page 1

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REPAIR MANUAL

ISSUED ...............APR. 2007

REVISED.............

COMPU-VISION

CV-5000

TOPCON CORPORATION

R-CV5000-0-0704-01

Summary of Contents for Compu-Vision CV-5000

Page 1: ...REPAIR MANUAL ISSUED APR 2007 REVISED COMPU VISION CV 5000 TOPCON CORPORATION R CV5000 0 0704 01...

Page 2: ...2 Optical Arrangement and Names 6 2 3 Electrical Wiring Diagram 7 3 REPAIR 8 3 1 Disassembly and Assembly Procedures 8 3 2 Names of PCB 15 3 3 Specifications of Switches 18 3 4 Names of Motors and Se...

Page 3: ...ed to each other There are two or more disks in the instrument So measurement of different types can be carried out by combining the disks 1 3 Specifications of Product 1 3 1 Specifications by items S...

Page 4: ...PC 2 Remote control of ACP 8 MC 3 or PC 2 is possible Electric rating For Japan Power supply voltage AC100V Frequency 50 60Hz For export Power supply voltage AC100 240V Frequency 50 60Hz Power supply...

Page 5: ...3 1 5 How to Use This Repair Manual When performing the inspection or when inspecting adjusting or repairing the instrument for its trouble follow the flow chart shown below R CV5000 0 0704 01...

Page 6: ...place the MAIN PCB remove E PROM from the old PCB and install it to the new PCB 3 When the screw lock is used for a screw dissolve the screw lock with Isoamyl acetate and then remove the screw 4 Use t...

Page 7: ...d is inserted and attached here 6 Near point rod clamp screw Fixes the near point rod 7 Forehead rest The patient s forehead rests here 8 Cornea alignment scale Measures the cornea vertex position 9 P...

Page 8: ...s group This is a group of lenses for correcting errors when combining a high power spherical lens with a cylindrical lens 8 Prism CC lens group 2 It is possible to combine the prism lenses of 20 0 20...

Page 9: ...7 2 3 Electrical Wiring Diagram R CV5000 0 0704 01...

Page 10: ...ve the two screws CR3 6SCr 3 and then remove the near point rod holder 4 Remove the screw 6SU3 3SCr 4 and then remove the forehead rest knob 5 Remove the tilt fixing lever 6 Remove the two screws CR3...

Page 11: ...This cover has a claw Remove it as pushing the arrow section of the lens cover at inspector side 3 Remove the four screws CR3 6SCr 2 and then remove the lens cover at inspector side 4 Remove the cove...

Page 12: ...the tape wires and all the connectors from the L PCB 2 Remove the two screws CR3 4Ni 1 and one screw CR2 5 4Ni 2 Then remove the L PCB 3 Remove the R PCB in the same way as the L PCB Note When install...

Page 13: ...ove the power box relay cable 2 Remove the tape wires and all the connectors from the MAIN PCB 3 Remove the five screws CR3 4Ni 1 and then remove the MAIN PCB Note When installing attach the insulatio...

Page 14: ...it Zero detection sensor and cornea unit 2 Remove the wires which are bound by the harness clip and coating clip 3 Remove the three screws CR3 5S3BZn 1 4 Remove the spherical unit L 5 Remove the spher...

Page 15: ...lustration Procedure 1 Remove the tape wires at the lens side 2 Remove the four screws W sems 6S4 6S3BZn 1 3 Remove the four screws W sems 6S4 6S3BZn 2 and then remove the lens units L and R Lens unit...

Page 16: ...he screw 6SU4 4S3BZn 3 and the screw 6SU4 10S3BZn 4 4 Remove the three screws 6S4 12SCr 5 and separate the disk from the arm mounting shaft Then remove the CV arm Note When installing the CV arm the r...

Page 17: ...nected J107 The PD motor is connected J109 The near point chart LED for left eye is connected J110 The near point chart LED for right eye is connected J112 The tool PCB is connected when correcting J1...

Page 18: ...s connected J308 The RPCC1 motor RP1 is connected J309 The RPCC2 motor RP2 is connected J310 The cylindrical axis motor CA is connected J311 The spherical lens zero detection sensor is connected J312...

Page 19: ...s connected J208 The RPCC1 motor RP1 is connected J209 The RPCC2 motor RP2 is connected J210 The cylindrical axis motor CA is connected J211 The spherical lens zero detection sensor is connected J212...

Page 20: ...ool mode SW2 is ON S1 motor tool mode SW3 is ON S2 motor tool mode SW5 is ON S3 motor tool mode SW1 and SW2 are ON C1 motor tool mode SW1 and SW4 are ON C2 motor tool mode SW1 and SW6 are ON AX motor...

Page 21: ...y one Before performing this operation carry out the product zero detection once at least 4 Correction of zero detection position Press SW10 and release it 1 pulse is corrected in clockwise direction...

Page 22: ...nd their arrangement Spherical lens unit for left eye Names of motors and their arrangement for right eye are symmetrical to left eye Spherical motor No 2 S2 Cornea illumination LED Spherical motor No...

Page 23: ...ent for right eye are symmetrical to left eye Cylindrical lens zero detection sensor RPCC1 RP1 motor Auxiliary lens AX motor RPCC2 RP2 motor Cylindrical axis CA motor Cylindrical motor No 1 C1 Cylindr...

Page 24: ...attling noise is heard 7 The cornea illumination is not ON when pressing the switch of the operation unit 8 The cornea illumination is not OFF when pressing the switch of the operation unit 9 The near...

Page 25: ...lay connector of the instrument cable set Set the relay connector Is the MAIN connector of the instrument set Is there 24V between 24V and GND in the MAIN PCB Is the LED of the MAIN PCB turned on Fix...

Page 26: ...e has already been checked Replace the CV CS cable Are the legs of the MAIN PCB and IC short circuited with metal parts The 24V voltage from the PS UNIT has already been checked Replace the MAIN PCB P...

Page 27: ...25 YES NO YES NO 24V between 24V and GND in POWER PCB has already been checked 5V between 5V and GND in POWER PCB has already been checked Replace the MAIN PCB R CV5000 0 0704 01...

Page 28: ...e continuity of POWER CABLE has already been checked Replace the POWER CABLE Whether the MAIN PCB is short circuited with metal parts has already been checked Replace the MAIN PCB Prevent short circui...

Page 29: ...ge of 24V between 24V and GND in L PCB Is there voltage of 5V between 5V and GND in L PCB Replace the L PCB YES NO YES NO Is there voltage of 24V between 24V and GND in R PCB Is there voltage of 5V be...

Page 30: ...me procedure for R PCB YES NO YES NO The 24V pin makes contact in L PCB and MAIN PCB Replace the L PCB flexible cable L PCB short circuits with metal parts Replace the L PCB Prevent short circuit R CV...

Page 31: ...ame procedure for R PCB YES NO YES NO The 5V pin makes contact in L PCB and MAIN PCB Replace the L PCB flexible cable L PCB short circuits with metal parts Replace the L PCB Prevent short circuit R CV...

Page 32: ...s not finished Rattling noise is heavy When changing the connectors of motors the motor generating noise is changed Replace the unit spherical unit The cylindrical unit must be repaired in factory Rep...

Page 33: ...f 24V between 24V and GND in MAIN PCB There is voltage of 24V between 24V and GND in L PCB There is voltage of 24V between 24V and GND in R PCB Replace the L PCB and R PCB Replace the unit spherical u...

Page 34: ...done correctly and the instrument stops in the middle of resetting The lens does not interfere mechanically Replace the unit spherical unit The cylindrical unit must be repaired in factory Replace th...

Page 35: ...4 Rattling noise is heard while the PD unit is operating Does the PD unit reach the outside limit position Replace the MAIN PCB There is voltage of 5V between TP2 and GND Replace the PD limit sensor R...

Page 36: ...34 NO YES The PD unit interferes mechanically and so it is not activated Replace the PD unit Replace the MAIN PCB R CV5000 0 0704 01...

Page 37: ...done in the zero detection direction and rattling noise is heard Does the convergence unit reach the limit position Replace the MAIN PCB There is voltage of 5V between TP1 and GND Replace the converge...

Page 38: ...36 NO YES The PD unit interferes mechanically and so it is not activated Replace the PD unit Replace the MAIN PCB R CV5000 0 0704 01...

Page 39: ...37 NO YES 6 Convergence is done in the tilting direction and rattling noise is heard Does the convergence unit reach the limit position Replace the MAIN PCB R CV5000 0 0704 01...

Page 40: ...lumination is not ON when pressing the switch of the operation unit Is the J216 connector inserted securely Replace the cornea illumination unit Is there voltage of 5V or more between pin 1 and pin 2...

Page 41: ...39 NO 8 The cornea illumination is not OFF when pressing the switch of the operation unit The instrument does not operate The instrument is operating YES Replace the MAIN PCB R CV5000 0 0704 01...

Page 42: ...illumination is not ON when pressing the switch of the operation unit Is the J109 connector inserted securely Replace the near point chart illumination Is there voltage of 5V or more between pin 1 and...

Page 43: ...NO 10 The near point chart illumination is not OFF when pressing the switch of the operation unit The instrument does not operate The instrument is operating YES Replace the MAIN PCB R CV5000 0 0704...

Page 44: ...TP1 Z RP1 Lens cell for RP1 Zero detection sensor TP2 Z RP2 Lens cell for RP2 Zero detection sensor TP3 Z RPCC Lens cell for CA Zero detection sensor TP4 Z S1 Lens for S1 Zero detection sensor TP5 Z...

Page 45: ...he dowel of the metal plate 2 Set the spherical units temporarily with the screws CR3 5S3BZn3 1 3 Insert all the zero positioning tools Tighten the three screws CR3 5S3BZn3 1 securely where the zero p...

Page 46: ...e MAIN PCB 4 As pressing SW9 of the tool PCB turn on the power When turning on the power do not insert the lens zero positioning tool 5 Press SW10 and SW6 of the tool PCB to correct the zero position...

Page 47: ...t right and left one by one 3 Turn the PD gear to adjust the right and left hole positions 4 While the lens unit is in contact with the dowel set the unit with the four screws W sems 6S4 6S3BZn 1 5 Se...

Page 48: ...e correction so that the PD position adjustment tool may be inserted Use SW6 of the tool PCB to narrow the PD and SW10 to widen the PD 5 As pressing SW12 of the tool PCB press SW4 The correction value...

Page 49: ...adjustment tool into the opened window until it stops 3 Loosen the fixing screw and align the scale with the cornea vertex position Caution When replacing the spherical lens unit the cornea position h...

Page 50: ...A terminal mini B terminal 1 OS Operating System should be WindowsXP There should be one free USB 1 0 or 2 0 or more 2 The contents of the distributed CD are shown below CV5000 folder 1 CV5000 exe The...

Page 51: ...t required 2 1 Make sure that the power of the CV power supply unit is OFF Then remove the CV connecting cable and KB connecting cable 2 2 Connect the CV power supply unit to the personal computer wit...

Page 52: ...s displayed Message Displays the connection status No open ROM file The new ROM file is not read CV 5000 is not connected The CV power supply unit is not connected to the personal computer OPEN This i...

Page 53: ...s If it is difficult to perform this work remove the center connector temporarily 7 Connect the USB mini B cable to the USB terminal at the left side of the power supply box 8 Connect the cable to the...

Page 54: ...gain 17 Writing starts The near point illumination LED of the instrument lights up Checking 18 When writing is finished the result of sum check is printed through the compact power supply 19 Make sure...

Page 55: ...nd four screws of the cover at the patient side using the Phillips screwdriver Then remove the cover 3 Remove the two screws from inside 4 Remove the parts at the inspector side Remove the hexagonal s...

Page 56: ...r 7 Set the cover and parts Make sure that the LED does not contact with the cover 8 Set the near point rod and near point chart How to check Start the system and access the test display Press the F N...

Page 57: ...Lens zero positioning tool Used to adjust the lens zero position CV 5000 02 B Tool PCB Used to write the correction values CV 5000 03 B Lens unit assembly tool Used to install the PD unit and lens uni...

Page 58: ...56 4 2 General Tools Tester Screwdriver set Hexagonal wrench set Vernier calipers Radio pliers Nippers Soldering iron Solder Tweezers Synchroscope R CV5000 0 0704 01...

Page 59: ...Printed in Japan 0704 200THc R CV5000 0 0704 01...

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