Nidek Medical CP-690 Service Manual Download Page 69 | Manualshive

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TOOLS AND MEASURING DEVICES

§9

[Tools and measuring devices]

Phillips screwdriver set
Flatblade screwdriver set
Precision screwdriver set
Hexagonal-head wrench set
Nipper (For cutting tie wraps)
Long-nose pliers
Tweezers
Tester
Soldering iron
Penlight

[Others]

Threadlocking adhesive (Three Bond 1401B)
Liquid mixture (methanol 50

% + ether 50

%)

KIMWIPES (CRECIA WIPER S-200)
Blower
Solder
Heat sink grease (MIZUTANI ELECTRIC CO., LTD.)
Insulating tape (NITOFRON tape: NITTO No. 973UL Width: 19 mm)
Tie wrap (T18R)
Swabs
Lens cleaning paper

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Summary of Contents for CP-690

Page 1: ...MCP7 RDA001B E Total Page 70 2006 7 NIDEK AUTOMATIC CHART PROJECTOR Model CP 690 SERVICE MANUAL...

Page 2: ...udosan Hongo Bldg 3 22 5 Hongo Bunkyo Ku Tokyo 113 0033 Tokyo Office Japan Telephone 81 3 5844 2641 Facsimile 81 3 5844 2642 NIDEK INCORPORATED 47651 Westinghouse Drive Fremont California 94539 U S A...

Page 3: ...Operated by the Remote Control 4 10 4 10 The Polarized Chart does not Disappear 4 11 4 11 The LED does not Go On 4 12 5 REPLACEMENT 5 1 5 1 How to Remove the Covers 5 1 5 2 Replacement of the Circuit...

Page 4: ...1 6 2 Adjustment of the Sensor Voltage 6 2 6 3 Adjustment of the Lamp LED Position 6 3 6 4 Adjustment of the Fixed Mask Position 6 4 6 5 Adjustment of the Chart and Mask Positions 6 5 6 6 Setting 6 6...

Page 5: ...o understand this manual thoroughly before servicing Refer to CP 690 Operator s manual Specifications are subject to change without notice for improvement As for important changes refer to Technical B...

Page 6: ...1 2...

Page 7: ...connect the electrical plug from the outlet Usage of the system under such abnormal conditions may cause fire or electric shock Do not lose or drop the screws parts etc inside the instrument As for th...

Page 8: ...2 2...

Page 9: ...oth chart and mask motors work Does the initialization finish Do the motors stop Y N Y Does the projection lamp go on N N Go to 4 11 Y Go to 4 1 Go to 4 2 Go to 4 3 Go to 4 4 After initialization is t...

Page 10: ...The first chart is presented End N Is the chart image clear Y Does the chart image change as operated by the remote control Y Does the chart tilt against the mask Are there any charts blocked by the m...

Page 11: ...nd OFF See 7 1 N N Are the fuses blown Replace the fuses See 5 12 N Use another wall outlet or a voltage regulator Replace the power cord Y Replace the power switch See 5 8 Is the setting of the volta...

Page 12: ...place the motor that does not work As for the chart motor see 5 4 As for the mask motor see 5 6 N Y When interchanging the connector positions of the chart and mask motors does the working motor chang...

Page 13: ...orrected Is each voltage between TP1 and TP3 of the chart sensor and between TP2 and TP3 of the mask sensor on the BA01 board as follows When the shading plate blocks the light 4 5 to 5 V When the sha...

Page 14: ...3 69 to 6 01 V when the setting of SW2 is channel 2 Y Replace the BA01 board See 5 2 1 Is the voltage between the 1st and 2nd pins of the J12 connector on the BA14 board within DC3 69 to 6 01 V when t...

Page 15: ...e chart N Adjust the sensor voltage See 6 2 Does the fixed mask block the chart Y N Adjust the chart and mask positions See 6 5 Adjust the position of the fixed mask See 6 4 Y Adjust the initialized p...

Page 16: ...nnel See 6 6 3 N Is the working voltage 10 of the rating voltage Y N Use another wall outlet or a voltage regulator Y Is there any dust on the condenser lens Y Clean the condenser lens See 5 13 2 N Is...

Page 17: ...rown N Y Is the polarized chart dark N Is the voltage between the 1st and 2nd pins of the J2 connector over DC 5 V when the setting of SW2 is channel 2 Replace the chart ASSY See 5 5 N Replace the tra...

Page 18: ...rt brightness still uneven See 6 3 Replace the screen Y N N N Clean the chart ASSY See 5 13 1 Clean the C lens ASSY See 5 13 2 If the dirt or burnt area can not be cleaned or the ASSY is scratched rep...

Page 19: ...the chart Is the image still not clear As for the adjustment method See the operator s manual Y Clean the holder ASSY Is the image still not clear See 5 13 3 Clean the chart ASSY Is the image still no...

Page 20: ...e the batteries with new ones The settings of the remote control and main body channel of the remote control are correct Is the voltage between the 1st pin of the J7 connector and TP3 DC 5 V 5 N Repla...

Page 21: ...polarize the chart Y Does the polarized chart image disappear by moving the lens N Are the polarizing glasses used to polarize the chart Y Does the view change by reversing the right and left of the...

Page 22: ...he voltage between the 1st and 2nd pins of J9 on the BA01 board 4 5 to 5 V Before measuring the voltage remove the P9 connector from the board Replace the BA01 board See 5 2 1 Y Replace the bottom cov...

Page 23: ...to remove the front cover ASSY 1 Remove the top cover ASSY 2 Unscrew PT3 10 n 2 and remove the front cover ASSY together with the plate M074 When remounting this part be careful of the orientation of...

Page 24: ...ve the top cover ASSY 2 Unscrew AS3 6ZnC n 4 to remove the disk cover M030 When remounting the disk cover direct the side affixed with the CAUTION label to the lamp side the rear side of the instrumen...

Page 25: ...s with long nose pliers and then mount the new circuit board Push the new board into the spacers securely 6 Fix the new bridge diode D1 and regulator IC IC2 into the radiator plate M032 with the screw...

Page 26: ...2 3 Replacement of the BA14 board Replacement part 33155 BA14 NOTE Once the lamp goes on the device on the BA14 board becomes hot Do not conduct work until the device cool down 1 Remove the top and fr...

Page 27: ...crew PC3 6 n 2 from the sensor fitting plate M009 and replace the chart sensor EA05 with a new one Check that the shading plate of the mask disk does not interfere with the mask sensor 6 Assemble the...

Page 28: ...the sensor fitting plate M009 and replace the mask sensor EA05 with a new one Check that the shading plate of the mask disk does not interfere with the mask sensor 6 Assemble the removed parts except...

Page 29: ...lder ASSY 1300 5 Unscrew SB3 6 n 4 to remove the base plate M001 6 Unscrew AS3 6ZnC n 4 to remove the disk cover M030 7 Loosen HH4 6 n 4 of the chart disk retainer 8 Unscrew SB4 10 n 4 SW4 n 4 and PW4...

Page 30: ...with a penlight 10 Assemble the removed parts except for the bottom and top cover ASSYs in reverse order Check that the shading plate of the chart disk does not interfere with the chart sensor Write d...

Page 31: ...to remove the illumination ASSY 1200 6 Unscrew BS3 6ZnC n 2 to remove the mask sensor and sensor fitting plate M009 7 Unscrew SB4 10 n 4 SW4 n 4 and mask sensor and sensor fitting plate M009 PW4 n 4 t...

Page 32: ...the removed parts except for the bottom and top cover ASSYs in reverse order Check that the shading plate of the mask disk does not interfere with the mask sensor after remounting the mask sensor Tie...

Page 33: ...2 to remove the mask sensor and sensor fitting plate M009 5 Unscrew SB4 10 n 4 SW4 n 4 and PW4 n 4 to remove the mask ASSY Remove the mask ASSY by sliding it to the rear side slightly and then pull i...

Page 34: ...As for the bottom of the disk housing check the disks by shining light in there with a penlight 9 Assemble the removed parts except for the bottom and top cover ASSYs in reverse order Check that the...

Page 35: ...ch Replacement part Seesaw switch 80460 00103 1 Remove the top and bottom cover ASSYs See 5 1 2 Unscrew BS3 6ZnC n 2 to remove the base M033 3 Remove the hook part of the seesaw switch from the base M...

Page 36: ...e clearance between the base plate M001 and chart motor Connect the wires to the following terminals of the inlet Retie the wiring in the original position with the tie wrap T18R 7 Assemble the remove...

Page 37: ...its surroundings become hot Do not touch parts near the lamp until they cool down 1 Remove the top and bottom cover ASSYs See 5 1 Replacement of the LED ASSY 1 Remove the cable of the LED ASSY from th...

Page 38: ...Y 3 Attach the new C lens ASSY Assemble the C lens ASSY under the condition that the two fix screws which are on the side of the C lens ASSY are upside 2 Assemble the top and bottom cover ASSYs after...

Page 39: ...l 33362 M4604 1 Remove the top and bottom cover ASSYs See 5 1 2 Loosen HH3 5 n 2 to remove SB3 6 SW3 and 3PW3 and replace the holder ASSY with a new one 3 Assemble the removed parts in reverse order A...

Page 40: ...5 18 5 12 Replacement of the Fuses Replacement part Two fuses 100 V system 80402 02039 1 A 250 V 200 V system 80402 02037 0 5 A 250 V Replace the fuses according to the CP 690 operator s manual...

Page 41: ...ture When cleaning the opposite sides of the chart and mask disks rotate both disks by hand and wipe the chart disk through the open mask If it is impossible remove the chart or mask ASSY See 5 5 5 6...

Page 42: ...the top cover ASSY See 5 1 2 Remove the condenser lens See 5 10 3 Cleaning of the condenser lens Blow the dust off with a blower For stubborn dirt wipe it with a swab whose tip is wrapped in lens clea...

Page 43: ...he liquid mixture Wipe them so as not to leave wipe marks Variable power model 1 Loosen the knurled screw and draw the forepart of the lens barrel 2 Clean the surface of the lenses indicated by arrows...

Page 44: ...5 22...

Page 45: ...ng the DIP switch to the ON or OFF position slide the switch without loading the circuit board If not a failure may occur 3 Project the chart on the screen and roughly adjust the focus 4 Operate the r...

Page 46: ...Applicable range 0 5 V or less 4 Press the VA UP button on the remote control once Check that the voltage between TP1 and TP3 is 4 5 V to 5 0 V Voltage adjustment of the mask sensor 1 Measure the volt...

Page 47: ...e 2 Loosen TH screw n 3 fixing LED ASSY Adjust the focus of the LED image by pushing and pulling the LED ASSY Fix TH screw where the reflection image is focused 3 Loosen PC screw n 4 fixing LED ASSY M...

Page 48: ...e mask disk in shape When checking the position adjust the focus to the chart The fixed mask appears such as a fuzzy image 6 Loosen HH3 4 n 2 to rotate the fixed mask by hand Adjust it to satisfy the...

Page 49: ...bet 0 2 P type Alphabet 0 2 I type Number 0 25 UK type Alphabet 24 A type Hiragana 0 3 R G filter position The boundary between the red and green filters shall be in the middle of the chart horizontal...

Page 50: ...power switch OFF and disconnect the power cord from the main body 2 Pull the fuse holder out while pushing both sides of the fuse holder with thin flatblade screwdrivers to release the fixing lips 3...

Page 51: ...splay the visual acuity Move the VA mask M029 toward the inside of the instrument left side mask motor side Tighten the loosened BS3 6ZnC temporally 4 Turn the power switch ON and project the chart on...

Page 52: ...table Use the screen attached to the CP 690 main body 4 Remount the top cover ASSY 6 6 4 Setting of the beep sound volume Response sound 1 Remove the top cover ASSY See 5 1 2 Rotate the volume VR1 on...

Page 53: ...f the BA01 board of the CP 690 Switch No Function OFF ON 1 2 3 Setting of the channels of the remote control For using several units According to the combination of the switch codes See the table on t...

Page 54: ...d Connected ON ON 5th unit OFF OFF ON Leftward Leftward Cut OFF OFF 6th unit OFF ON ON Rightward Leftward Cut OFF ON 7th unit ON OFF ON Leftward Rightward Cut ON OFF 8th unit ON ON ON Rightward Rightw...

Page 55: ...INFORMATION 7 7 1 Wiring Diagram Total wiring Diagram EA13 BA14 RESISTOR BOARD 2 2 EA14 CHART LED...

Page 56: ...7 2 EA01...

Page 57: ...7 3 EA02...

Page 58: ...7 4 EA05 EA06 EA13 EA14 BA01 Describe the connector No when assembling Mask side P4 Chart side P6...

Page 59: ...e wiring with a tie wrap T18R in the position Tie wrap T18R Band the mask motor with the cable of mask sensor Draw a tie wrap through a hole of disk house Tie wrap T18R Band the mask motor with the ca...

Page 60: ...7 6...

Page 61: ...Parts in EA02 Motor for chart mask 33155 E003 Each 1 1 chip CPU for U type 33156 E100 1 100 V system 80402 02039 2 1 A 250 V Fuse Slow blow type 200 V system 80402 02037 2 0 5 A 250 V Seesaw switch 80...

Page 62: ...55 E003 Each 1 1 chip CPU for M type 33156 E200 1 100 V system 80402 02039 2 1 A 250 V Fuse Slow blow type 200 V system 80402 02037 2 0 5 A 250 V Seesaw switch 80460 00103 1 Parts in EA01 Parts Screen...

Page 63: ...in EA02 Motor for chart mask 33155 E003 Each 1 1 chip CPU for F type 33157 E100 1 100 V system 80402 02039 2 1 A 250 V Fuse Slow blow type 200 V system 80402 02037 2 0 5 A 250 V Seesaw switch 80460 0...

Page 64: ...hart mask 33155 E003 Each 1 1 chip CPU for T type 33158 E100 1 100 V system 80402 02039 2 1 A 250 V Fuse Slow blow type 200 V system 80402 02037 2 0 5 A 250 V Seesaw switch 80460 00103 1 Parts in EA01...

Page 65: ...in EA02 Motor for chart mask 33155 E003 Each 1 1 chip CPU for P type 33159 E100 1 100 V system 80402 02039 2 1 A 250 V Fuse Slow blow type 200 V system 80402 02037 2 0 5 A 250 V Seesaw switch 80460 0...

Page 66: ...E002 1 Parts in EA02 Motor for chart mask 33155 E003 Each 1 1 chip CPU for I type 33160 E100 1 100 V system 80402 02039 2 1 A 250 V Fuse Slow blow type 200 V system 80402 02037 2 0 5 A 250 V Seesaw s...

Page 67: ...002 1 Parts in EA02 Motor for chart mask 33155 E003 Each 1 1 chip CPU for UK type 33161 E100 1 Fuse slow blow type 200 V system 0 5 A 250 V 80402 02037 2 Seesaw switch 80460 00103 1 Parts in EA01 Part...

Page 68: ...E001 1 Parts in EA01 Motor for chart mask 33155 E003 Each 1 1 chip CPU for A type 33162 E100 1 Fuse slow blow type 100 V system 1 A 250 V 80402 02039 2 Seesaw switch 80460 00103 1 Parts in EA01 Parts...

Page 69: ...h set Nipper For cutting tie wraps Long nose pliers Tweezers Tester Soldering iron Penlight Others Threadlocking adhesive Three Bond 1401B Liquid mixture methanol 50 ether 50 KIMWIPES CRECIA WIPER S 2...

Page 70: ...9 2...

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