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Nidek Medical LT-980, Руководство по обслуживанию

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LLT9A*RDA002A

7

1 INTRODUCTION

This Service Manual describes repair procedures of the NIDEK Satellite Tracer, LT-980.
To conduct repairs properly, thorough understanding of the contents in this manual is required 
prior to the service.
Refer to the Operator’s Manual and Parts List for the LT-980.
In addition, refer to the Service Manual and Parts List for the tracer ASSY (LETR-1) which is built 
in the LT-980.
In case the instrument cannot be repaired by the procedures described in this manual, please 
report the serial number of the instrument and details of the symptom or symptoms.
Refer to the Service Manual Annex for important changes.

Содержание LT-980

Страница 1: ...Satellite Tracer LT 980 SERVICE MANUAL October 2012 Pages in total 82 LLT9A RDA002A...

Страница 2: ......

Страница 3: ...3 7 ERROR23 Frame moved during tracing 21 5 1 3 8 ERROR26 Pattern trace Z axis move error 22 5 1 3 9 ERROR48 Stylus came off upper 22 5 1 3 10 ERROR49 Trace radii error 23 5 1 3 11 ERROR50 Pattern tr...

Страница 4: ...s ASSY 40601 7910 43 8 ADJUSTMENT 45 8 1 Using Tracer Utility 45 8 1 1 Connecting and activating Tracer Utility 45 8 1 2 Checking the error contents 47 8 1 3 Checking the parameter data 49 8 1 4 Chang...

Страница 5: ...rawing 74 9 6 1 Boards BA 74 9 6 2 Electrical parts E 10 digits 74 9 7 Error Message List 75 9 8 Jigs 77 9 9 Adjustment List 78 9 9 1 Adjustments after replacing ASSYs boards and electrical mechanical...

Страница 6: ...LLT9A RDA002A 6 This page is intentionally left blank...

Страница 7: ...to the service Refer to the Operator s Manual and Parts List for the LT 980 In addition refer to the Service Manual and Parts List for the tracer ASSY LETR 1 which is built in the LT 980 In case the i...

Страница 8: ...LLT9A RDA002A 8 This page is intentionally left blank...

Страница 9: ...g with a dry cloth If dust accumulates between the prongs the dust will collect moisture and short circuit or fire may occur 3 Insert the power plug into the wall outlet completely A fire may occur if...

Страница 10: ...ly accessible during use In addition ensure that the power plug can be disconnected without the use of a tool Otherwise it may interfere with disconnection of the device from the input power source in...

Страница 11: ...rcumference is known 60 times continuous tracing Error 0 05mm 2 Pattern tracing a Circumference Condition To be measured with the standard pattern of which circumference is known Error 0 10 mm b Axis...

Страница 12: ...LLT9A RDA002A 12 This page is intentionally left blank...

Страница 13: ...perly No 5 1 LT 980 does not Start Properly p15 Yes Is tracing conducted properly No 5 2 Tracing cannot be Conducted Properly p26 Yes Is the trace data normal No 5 3 Trace Data is not Normal p27 Yes C...

Страница 14: ...LLT9A RDA002A 14 This page is intentionally left blank...

Страница 15: ...otating No 5 1 1 Fan is not rotating p16 Yes Do three short beeps sound Yes 5 1 3 Error occurs p20 No Do four short beeps sound and all indicators above the tracing buttons blink No Replace the tracer...

Страница 16: ...ce the power cord of the LT 980 No Remove the cover ASSY 44801 2000 see 6 1 p31 Are there any breaks in the cable ASSY 44801 CA01 see 9 3 p69 and 9 4 p70 Yes Replace the cable ASSY 44801 CA01 No Are t...

Страница 17: ...n on the power switch Are the voltages between the CN2 1st and 4th and 2nd and 3rd pins of the switching regulator 44801 E012 DC 24 V 1 V No Replace the switching regulator 44801 E012 see 7 3 3 p40 Ye...

Страница 18: ...inate No 5 1 2 1 Indicator does not illuminate p19 Yes Turn off the power switch Remove the top cover ASSY 44801 2000 see 6 1 p31 Are there any breaks in the cable ASSY 44801 CA04 see 9 3 p69 and 9 4...

Страница 19: ...e the top cover ASSY 44801 2000 see 6 1 p31 Are there any breaks in the cable ASSY 41971 CA06 see 9 3 p69 and 9 4 p70 Yes Replace the cable ASSY 41971 CA06 No Replace the SW connection board 44801 BA0...

Страница 20: ...see 7 1 1 p33 When repairing the tracer ASSY 40601 0010 refer to the service manual for the tracer ASSY LETR 1 Is the trace position beyond the traceable range Yes Set the frame in the center and cond...

Страница 21: ...again 5 1 3 7 ERROR23 Frame moved during tracing Conduct tracing again while holding the frame so that it does not move The tracer ASSY 40601 0010 is defective When repairing the tracer ASSY 40601 001...

Страница 22: ...SY 40601 0010 see 7 1 1 p33 Is the trace position beyond the traceable range Yes Set the frame in the center and conduct tracing again No Conduct goggle type frame tracing Check the calibration data r...

Страница 23: ...No Does the frame have a sharp change in its shape Yes Tracing is not possible No Check the calibration data refer to the service manual for the LETR 1 Is the calibration data normal refer to the ser...

Страница 24: ...Is the attachment of the stylus 40601 7910 loose Yes Attach the stylus 40601 7910 securely see 7 4 1 p43 No Does the frame have a wide groove for the bevel Yes Conduct dummy lens tracing No Was the st...

Страница 25: ...in 7 1 1 Tracer ASSY 40601 0010 p33 Does a frame pattern or dummy lens have a sharp change in its shape Yes Tracing is not possible No Set the frame in the center and conduct tracing again Replace th...

Страница 26: ...es Replace the tracer ASSY 40601 0010 see 7 1 1 p33 No Turn off the power switch Remove the top cover ASSY 44801 2000 see 6 1 p31 Are there any breaks in the cable of the switch sheet 44801 E030 see 7...

Страница 27: ...ted No 5 3 2 Pattern trace data is not normal p28 Is the attachment of the stylus 40601 7910 loose Yes Attach the stylus 40601 7910 securely see 7 4 1 p43 No Is the stylus 40601 7910 worn out Yes Repl...

Страница 28: ...LLT9A RDA002A 28 5 3 2 Pattern trace data is not normal Conduct the standard pattern calibration see 8 2 3 p58 Conduct full calibration see 8 2 1 p52 Replace the tracer ASSY 40601 0010 see 7 1 1 p33...

Страница 29: ...re there any breaks in the RS 232C cable 42168 E011 Yes Replace the RS 232C cable 42168 E011 No Confirm the setting of Tracer Utility refer to the service manual for the LETR 1 Remove the top cover AS...

Страница 30: ...5 Yes Replace the USB cable 44801 E025 No Confirm the setting of Tracer Utility refer to the service manual for the LETR 1 Remove the top cover ASSY 44801 2000 see 6 1 p31 Are there any breaks in the...

Страница 31: ...le ASSY 41971 CA06 from J1 on the SW connec tion board 40601 BA02 attached inside the top cover ASSY 44801 2000 see 9 5 2 p72 and 9 3 p69 5 Reassemble the parts in the reverse order Caution The top co...

Страница 32: ...LLT9A RDA002A 32 This page is intentionally left blank...

Страница 33: ...Replace the tracer ASSY 40601 0010 1 Remove the top cover ASSY 44801 2000 see 6 1 p31 When repairing the removed tracer ASSY 40601 0010 refer to the service manual for the tracer ASSY LETR 1 When usin...

Страница 34: ...0601 BA01 of the new tracer ASSY 40601 0010 the same as those of the removed tracer ASSY 40601 0010 see 9 5 1 p72 6 Assemble the new tracer ASSY 40601 0010 in the reverse order of the removal 7 Enter...

Страница 35: ...op cover ASSY 44801 2000 see 6 1 p31 3 Disconnect P115 J15 of the cable ASSY 44801 CA04 P116 J16 of the cable ASSY 44801 CA05 and P117 J17 of the cable ASSY 44801 CA06 from the main board 40601 BA01 s...

Страница 36: ...44801 2000 see 6 1 p31 2 Disconnect J1 P301 and J2 P202 from the SW connection board 44801 BA02 see 9 3 p69 and 9 4 p70 3 Unscrew PT3 8 n 2 to remove the SW connection board 44801 BA02 4 Replace the S...

Страница 37: ...SY 44801 2000 see 6 1 p31 2 Disconnect P301 of the cable ASSY 44801 CA06 from J1 on the USB board 44801 BA03 see 9 3 p69 and 9 4 p70 3 Unscrew PC3 4 n 2 to remove the USB board 44801 BA03 4 Replace th...

Страница 38: ...fuse holder 80401 00033 in the direction of the arrow as shown below and remove the fuse holder 80401 00033 along with the slow blow fuses 80402 02039 n 2 4 Pull out the slow blow fuses 80402 02039 n...

Страница 39: ...le ASSYs 44801 CA01 44801 CA03 connected to the rocker switch 80460 00133 see 9 3 p69 and 9 4 p70 3 Pull out the rocker switch 80460 00133 from the attachment hole 4 Replace the rocker switch 80460 00...

Страница 40: ...0 see 7 1 2 p35 3 Disconnect CN1 of the cable ASSY 44801 CA03 and CN2 of the cable ASSY 44801 CA04 from the switching power supply 44801 E012 see 9 3 p69 and 9 4 p70 4 Unscrew PC3 4 n 4 to remove the...

Страница 41: ...l ASSY 44801 1100 see 7 1 2 p35 3 Remove the FV terminals of the cable ASSYs 44801 CA01 and 44801 CA02 connected to the fuse holder 80401 00033 see 9 3 p69 and 9 4 p70 4 While pressing the clasps of t...

Страница 42: ...top cover ASSY 44801 2000 4 Replace the switch sheet 44801 E030 5 Reassemble the parts in the reverse order The switch sheet is attached with double coated adhesive pad so insert a thin blade like ob...

Страница 43: ...en the upper slider ASSY 40601 6100 and lower slider ASSY 40601 6200 2 Unscrew CK2 3 to remove the stylus ASSY 40601 7910 3 Replace the stylus ASSY 40601 7910 4 Reassemble the parts in the reverse ord...

Страница 44: ...LLT9A RDA002A 44 This page is intentionally left blank...

Страница 45: ...Tracer Utility icon on the PC desktop Tracer Utility is activated For the details on how to use Tracer Utility refer to 10 1 Tracer Utility in the service manual for the tracer ASSY LETR 1 Caution Be...

Страница 46: ...cognizes the LT 980 the mode display in the lower left corner of the screen becomes LETR 1 Mode If Tracer Utility does not recognize the LT 980 refer to 5 7 Tracer Utility cannot be Connected in the s...

Страница 47: ...ror history is displayed as shown to the right 1 The upper half area lists 10 recover able errors The LT 980 is not equipped with error display function Use the Error History function of Tracer Utilit...

Страница 48: ...LLT9A RDA002A 48 2 The lower half area lists 10 system errors 4 Exit Tracer Utility 5 Turn off the power switch of the LT 980 Errors are listed in order of occurrence with the most recent on top...

Страница 49: ...3 Checking the parameter data 1 Perform the procedure as in 8 1 1 Con necting and activating Tracer Utility p45 2 Select File Parameter adjustment from the menu bar 3 The Manual parameter adjustment...

Страница 50: ...s necessary 3 After changing the parameter data click OK When the parameter data is saved in the tracer the tracer produces a short beep Caution Never change the parameter data enclosed in red 1 Frame...

Страница 51: ...LLT9A RDA002A 51 4 Click Close to close the Manual parame ter adjustment window 5 Click to exit Tracer Utility 6 Turn off the power switch of the LT 980...

Страница 52: ...the two pins into the holes and release the end of the pattern setting unit to lock the standard pat tern 41476 M002 4 While pressing and turn on the power switch Use the standard frame 40601 7500 and...

Страница 53: ...tion is complete a short beep sounds and the indicator above blinks 7 Remove the pattern setting unit 40601 7000 attached with the standard frame 41476 M002 When the indicator above illuminates the bu...

Страница 54: ...tandard pattern 41476 M002 to the tracer 13 Press Calibration starts A short beep sounds and calibration is complete 14 Turn off the power switch of the LT 980 Caution With the side on which the cir c...

Страница 55: ...02A 55 15 Remove the pattern setting unit 40601 7000 attached with the standard frame 41476 M002 16 Reassemble the Y axis cover 40601 M351 and stylus cover 40601 M108 41476 M002 40601 7000 40601 M108...

Страница 56: ...40601 7500 to the tracer 4 Press Calibration starts When calibration is complete a short beep sounds and the indicator above illuminates The standard frame is released Use the standard frame 40601 750...

Страница 57: ...LLT9A RDA002A 57 5 Remove the standard frame 40601 7500 40601 7500 Circumference...

Страница 58: ...e pattern set ting unit 40601 7000 in the direc tion of the arrow aligns the pins of the unit to the hole positions of the standard pattern 41476 M002 2 Insert the two pins into the holes and release...

Страница 59: ...andard pattern 41476 M002 to the tracer 5 Press Calibration starts When calibration is complete a short beep sounds and the indicator above blinks 6 Remove the pattern setting unit 40601 7000 attached...

Страница 60: ...d frame 40601 7500 to the tracer Use the standard frame 40601 7500 included in the standard accessories see 9 8 p77 Remove the Y axis cover 40601 M351 by turning it to the directions as shown to the r...

Страница 61: ...and the indicator above illuminates The standard frame is released 6 Remove the standard frame 40601 7500 7 Turn off the power switch of the LT 980 8 Reassemble the Y axis cover 40601 M351 and stylus...

Страница 62: ...40601 BA01 to the far left FWE position see 9 5 1 p72 5 Reassemble the top cover ASSY 44801 2000 in the reverse order see 6 1 p31 6 Connect the supplied RS 232C cable between the PC and the BAR CODE c...

Страница 63: ...2A 63 8 Boot up the PC and execute the LETR 1 software LETR1 Vxxxxx exe FlashWriter EX is activated 9 Select the connection port on the PC from the Select port menu 10 Click the START button to start...

Страница 64: ...14 Turn off the power switch of the LT 980 15 Disconnect the RS 232C cable from the PC and the BAR CODE connector of the LT 980 16 Remove the top cover ASSY 44801 2000 see 6 1 p31 17 Set SW3 on the m...

Страница 65: ...e tracing button 4 Storage cover 5 Pattern setting unit support 6 Upper slider 7 Lower slider 8 Rim clips for upper slider 9 Stylus 10 Rim clips for lower slider 9 1 2 Rear view 11 Power switch 12 Pow...

Страница 66: ...JAPAN INPUT Satellite Tracer 9 9 9 9 9 0 1 3 1 0 1 3 1 0 1 3 1 0 1 3 1 9 34 4 MAEHAMA HIROISHI CHO GAMAGORI AICHI JAPAN INPUT Satellite Tracer 9 9 9 0 1 3 1 0 1 3 1 0 0 9NNNNN SER NO 56 86 5 2 F1 F2 F...

Страница 67: ...her than CE mark area Outside Japan CE mark area China 41 5 1 14 2 0 0276 5CVGNNKVG 6TCEGT 8 8 8 8 8 0 2 0 0 2 0 F1 F2 F1 F2 T1A250V 44801 M057 A1 WARNING Risk of re Replace fuse as marked 41 5 1 14 2...

Страница 68: ...LLT9A RDA002A 68 Label Outside Japan 100 V Outside Japan 200 V China Standard specification Standard specification Standard specification VCA specification VCA specification VCA specification...

Страница 69: ...LLT9A RDA002A 69 9 3 Wiring Diagram...

Страница 70: ...LLT9A RDA002A 70 9 4 Connector Cable 1 44801 CA01 2 44801 CA02 3 44801 CA03 4 44801 CA04...

Страница 71: ...LLT9A RDA002A 71 5 44801 CA05 6 44801 CA06 7 41971 CA06 8 41971 CA07 to 40601 BA01 to RS 232C to 44801 BA03 to 40601 BA01 to 44801 BA02 to 40601 BA01 to 44801 CA04 CN01R...

Страница 72: ...9 5 2 SW connection board 44801 BA02 Connection terminal No Connection J14 41971 CA06 J15 44801 CA04 J16 44801 CA05 J17 44801 CA03 Spec Protocol ID No Server No SW1 SW2 SW3 NC NC RATE MODE STD STD 1 1...

Страница 73: ...LLT9A RDA002A 73 9 5 3 USB board 44801 BA03 Connection terminal No Connection J1 44801 CA06 CN4 USB connector CN4 J1...

Страница 74: ...LLT9A RDA002A 74 9 6 Layout Drawing 9 6 1 Boards BA 9 6 2 Electrical parts E 10 digits 44801 E030 80460 00133 80401 00033 44801 E012...

Страница 75: ...n was larger than the maximum traceable range Tracing is not possible 48 Stylus came off upper Stylus came off to the upper side of the frame during frame tracing Stylus came off to the upper side of...

Страница 76: ...Clamp front origin switch error 1010 EEPROM error 1011 X axis position sensor error No code Improper jig was used for automatic calibration Improper jig was used for automatic calibration Set a prope...

Страница 77: ...me c a l i b r a t i o n p56 41476 M002 Standard pat tern 8 2 1 Full c a l i b r a t i o n p52 8 2 3 Standard pattern c a l i b r a t i o n p58 40601 7000 Pattern set ting unit 8 2 1 Full c a l i b r...

Страница 78: ...Rocker switch 80460 00133 p39 7 3 3 Switching power supply 44801 E012 p40 7 3 4 Fuse holder 80401 00033 p41 7 3 5 Switch sheet 44801 E030 p42 7 4 1 Stylus ASSY 40601 7910 p43 Adjustment item 8 1 1 Co...

Страница 79: ...STD N LAN VCA A VCA B VCA C Buzzer sounds 1 2 3 4 5 Frame Circ Offset mm VCA DBL Value Normal Actual Machine Mode Le 1000 LT 980 LT 1200 Trace data Type Single Double Item Position Note SW1 NC ON OFF...

Страница 80: ...LLT9A RDA002A 80 This page is intentionally left blank...

Страница 81: ......

Страница 82: ...ongo Tokyo Office Bunkyo Ku Tokyo 113 0033 Japan Telephone 81 3 5844 2641 Facsimile 81 3 5844 2642 NIDEK INCORPORATED 47651 Westinghouse Drive Fremont California 94539 U S A United States Agent Teleph...

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