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Leica M500 N, Service Manual

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Leica M500 N Service Manual Download Page 8

Description 

 

Service manual M500 N, M520, M525 

08/2007 Gahe 

1-4

 

Doc Code 10 665 751

   

 

 

 

 

Current configurations Leica M525 (state 08/2007) 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

M525 
C40/CT40

M525 MC1 
M525 MS3

M525 F40

 

10448169 control 
unit

10448068 control unit

 

10448144 control 
unit

 

10448237 M525 
optics carrier 
(with A/B-slide)

 

10448238 M525 
optics carrier 
(no A/B slide)

 

M525 OH4

10448236 OH4 
stand system

Control unit M520 not used 
anymore - a new controller 
is integrated

 

in OH4 system

Summary of Contents for M500 N

Page 1: ...M500 N M520 M525 10 665 751 Release 09 2007 Table of contents 1 Technical Description 2 Wiring Diagram and Locations 3 Service Programs 4 Fault Finding 5 Replacing Modules 6 Maintenance Service 7 Insp...

Page 2: ...Release 09 2007 First edition...

Page 3: ...Chapter Page System description 1 1 General 1 1 Overview control unit 1 1 Overview optics carrier 1 2 Electrical accessories 1 3 Optical mechanical accessories 1 3 Configuration M525 systems 1 4 Prod...

Page 4: ...Description Service manual M500 N M520 M525 08 2007 Gahe 1 II Doc Code 10 665 751...

Page 5: ...The microscope is always used together with a Leica stand system refer to product history on page 1 5 Electrically the optics carrier and the control unit are connected together to the stand system b...

Page 6: ...Drive illumination diaphragm M525 Iris override M525 only Iris reset Handgrip interface WD lock button LED WD lock indication Display WD M520 M525 Manual drive WD Manual drive zoom Interface for prote...

Page 7: ...s device Fluorescence devices available for some stand systems only Optical mechanical accessories All optical equipment with dovetail interface fit to the optics carrier Refer to appropriate stand us...

Page 8: ...te 08 2007 M525 C40 CT40 M525 MC1 M525 MS3 M525 F40 10448169 control unit 10448068 control unit 10448144 control unit 10448237 M525 optics carrier with A B slide 10448238 M525 optics carrier no A B sl...

Page 9: ...rade kit was available 10 712 316 upgrade kit M500 N to M520 optics carrier description 10 665 687 10 446 757 to 10 448 070 10 448 019 to 10448 071 New illumination unit and new multifoc objective Mor...

Page 10: ...1 F40 MS3 C40 CT40 10 448 238 M525 optics carrier without A B slide replaces 10448 035 for OH4 Upgrade kit available for limited time 10 714 461 Upgrade kit M520 to M525 description 10 665 743 10 448...

Page 11: ...es on it A control unit is needed to store the settings to read hand footswitches and to control the optics carrier manage CAN bus activities and to display the status settings It consists of one cont...

Page 12: ...controller wants to send data it has to wait until the bus is free The feature of setting the priority of commands is not applied in the M500 N M520 M525 system all commands have the same priority Com...

Page 13: ...DC DC converter on the motorcontroller delivers 5V for logic supply The 24VDC is measured on the controller board with the microprocessor analog input It can be asked in the diagnostic menu of the co...

Page 14: ...al interface for service purposes is available It is directly wired to the Optics carrier processor and has therefore other signal level for TxD than RS232 standard Recognition of optics carrier type...

Page 15: ...M 256kByte Flash EPROM and 4kByte EEPROM The software can be updated downloaded through the RS232 service interface A watch dog is integrated it observes the running of the main program Diagnosis LED...

Page 16: ...interface A double RS232 interface is provided for service purposes They are both wired directly to the Processor RXD0 TXD0 RXD1 TXD1 The connector P7 is used for both of them COM1 RXD0 TXD0 is progr...

Page 17: ...180 mm with 10x eyepiece Objective Multi focal lens 207 470 mm variable working distance Illumination Continually adjustable illumination field diameter with gauss shaped light distribution AutoIrisTM...

Page 18: ...Description Service manual M500 N M520 M525 08 2007 Gahe 1 14 Doc Code 10 665 751...

Page 19: ...0 665 751 2 I 07 2007 Gahe 2 Wiring and locations Leica M500 N M520 M525 Table of content Chapter Page Optics carrier 2 1 Control unit 2 4 Overview of connectors 2 6 Wiring diagrams 2 8 Wiring diagram...

Page 20: ...Wiring Service manual M500 N M520 M525 07 2007 Gahe 2 II Doc Code 10 665 751...

Page 21: ...Service manual M500 N M520 M525 Wiring Doc Code 10 665 751 2 1 07 2007 Gahe Wiring and locations Leica M500 N M520 M525 Optics carrier Zoom multifoc motor controller 10714356...

Page 22: ...ce manual M500 N M520 M525 07 2007 Gahe 2 2 Doc Code 10 665 751 Zoom multifoc motor controller 10661250 M500 N M520 only Switch board J6 View from wiring side Bridge for M520 M525 only Removed when us...

Page 23: ...Service manual M500 N M520 M525 Wiring Doc Code 10 665 751 2 3 07 2007 Gahe Iris switch assembly...

Page 24: ...Wiring Service manual M500 N M520 M525 07 2007 Gahe 2 4 Doc Code 10 665 751 Control unit Control module Power supply only in control units till March 2005...

Page 25: ...Service manual M500 N M520 M525 Wiring Doc Code 10 665 751 2 5 07 2007 Gahe LCD module Switch panel J12 P11...

Page 26: ...cap P8 2 1 Motor controller Iris motor P9 2 1 Motor controller Iris switch assembly J9 2 3 Iris switch assembly P10 2 1 Motor controller CAN to stand system Control unit P1 2 4 Control module test po...

Page 27: ...Service manual M500 N M520 M525 Wiring Doc Code 10 665 751 2 7 07 2007 Gahe P12 2 4 Control module LCD module backlight J12 2 5 LCD module control module P13 2 4 Control module input from power module...

Page 28: ...Wiring Service manual M500 N M520 M525 07 2007 Gahe 2 8 Doc Code 10 665 751 Wiring diagrams in A3 format Wiring diagram M525 10719072 on page 2 9 Wiring diagram M500 N M520 707276 A on page 2 11...

Page 29: ...Service manual M500 N M520 M525 Wiring Doc Code 10 665 751 2 9 07 2007 Gahe...

Page 30: ...Wiring Service manual M500 N M520 M525 07 2007 Gahe 2 10 Doc Code 10 665 751 Empty page reversed side of wiring diagram...

Page 31: ...Service manual M500 N M520 M525 Wiring Doc Code 10 665 751 2 11 07 2007 Gahe Power supply removed since 03 2005...

Page 32: ...Wiring Service manual M500 N M520 M525 07 2007 Gahe 2 12 Doc Code 10 665 751 Empty page reversed side of wiring diagram...

Page 33: ...0 M525 Service programs Doc Code 10 665 751 3 I 08 2007 GAHE 3 Service programs Leica M500 N M520 M525 Table of content Chapter Page Service programs control unit 3 1 Software upgrade program for cont...

Page 34: ...Service programs Service manual Leica M500 N M520 M525 08 2007 GAHE 3 II Doc Code 10 665 751 Stock n Description Specification Remark Drawing...

Page 35: ...er to toggle or to switch mode Switch mode relais contact closes as long as the release button is pressed Toggle mode relais contact opens closes with each activation of the release button Ad Function...

Page 36: ...o be set to present Not connected CAN devices have to be set to Not present If the device list is not set correctly it may result in malfunction and or error messages Available CAN devices Stand M500...

Page 37: ...M500 N M520 M525 optics carrier allows a SW update by Laptop PC The motorcontroller accepts data via the RS232 service interface either at the capped Lemo plug J7 or the internal plug J1 An update pro...

Page 38: ...Service programs Service manual Leica M500 N M520 M525 08 2007 GAHE 3 4 Doc Code 10 665 751 Stock n Description Specification Remark Drawing...

Page 39: ...520 M525 Fault finding Doc Code 10 665 751 4 I 08 2007 Gahe 4 Fault finding Leica M500 N M520 M525 Table of content Chapter Page Diagnosis LED 4 3 Start up sequence 4 6 Error messages 4 7 Diagnostic f...

Page 40: ...Fault finding Service manual M500 N M520 M525 08 2007 Gahe 4 II Doc Code 10 665 751...

Page 41: ...D 1 green Watchdog blinking with 2Hz indicates that the main program is running LED 2 red Enable zoom On when the zoom motor is driven or short circuited damaged Off when the motor is set free LED 3 y...

Page 42: ...Watchdog blinking with 2Hz indicates that the main program is running LED 2 red Enable zoom On when the zoom motor is driven or short circuited damaged Off when the motor is set free LED 3 yellow Ena...

Page 43: ...N M520 M525 Fault finding Doc Code 10 665 751 4 5 08 2007 Gahe Control module LED 3 LED 2 LED 1 LED1 green Watchdog LED blinking when the main program is running LED2 red Not used LED3 green Indicates...

Page 44: ...g processor Display RTKernel 32 Debug version Display M500 N M520 N software version 1 87 Display Initializing Requesting version of optics carrier M500 N or M520 or none Display Presetting Optic Carr...

Page 45: ...sible for a few seconds in an endless loop Example Menu II Standard setting Microscope needs initialization Menue II User settings Initialize microscope Service Menue up down ok cancel Level 2 error m...

Page 46: ...ler in optics carrier Activating user parameter failed Motor positioning commands sent to optics carrier are not executed within 45 seconds If no problem with CAN communication it is a problem of moto...

Page 47: ...ed friction of mechanic or motor problem MF Focus end position not reached Could not reach end position of focus therefore position counter is not properly set Reason can be increased friction of mech...

Page 48: ...hdog error Setup and display task watchdog error Status task watchdog error Display parameter task watchdog error CAN transmit task watchdog error Exception error reboot Appropriate task crashed SW pr...

Page 49: ...troller shutter position error Detected position of shutter does not correlate with commanded position for more than 5 seconds Problem in DI Controller DI C module DIC500 Video signal not valid Video...

Page 50: ...yed Show clear error list Appearing errors are stored in this list up to 29 lines clear list after repair service Refer to chapter error messages Show parameters Different parameter of the control uni...

Page 51: ...st and diagnosis in the user menu Select Menue II Select User settings Available test function Description CAN Handle left right All keys of the appropriate handle can be checked the standard setting...

Page 52: ...Fault finding Service manual M500 N M520 M525 08 2007 Gahe 4 14 Doc Code 10 665 751...

Page 53: ...5 1 1 Removing the optics carrier 5 1 5 1 2 Removing the zoom carrier 5 2 5 1 3 Removing the zoom motor 5 3 5 1 4 Exchange the set manual drive 5 4 5 1 5 Removing the multifocal motor 5 5 5 1 6 Removi...

Page 54: ...Replacing modules Service manual Leica M525 04 2004 3241 EBTH update 07 2007 5 II Doc Code 10 665 751...

Page 55: ...eight Fig 1 2 and take it off 2 Remove seven screws Fig 1 3 from lower cover Fig 1 4 and take it off 3 Pull out connectors P5 and P6 Fig 2 from motor controller board 4 Separate upper part of zoom Fig...

Page 56: ...nd remove motor controller board from zoom part Fig 3 1 8 Remove screw Fig 4 6 from motor controller board positioned and take it off 9 Remove two screws Fig 4 7 from motor controller board carrier an...

Page 57: ...minator lower part from one another as described in paragraph 5 1 1 2 Remove four screws Fig 5 1 and 5 2 from the zoom see Fig 6 2 and take out the complete zoom mechanism Fig 6 2 slantwise upwards fr...

Page 58: ...adapter and take out the zoom motor sideways through the slit 5 1 4 Exchange the set manual zoom drive 1 Separate zoom upper part and illuminator lower part from one another as described in paragraph...

Page 59: ...ig 11 3 from motor controller board through the notch in the illuminator lower part 3 Remove two screws Fig 12 1 of the switchboard and remove switchboard in direction of the motor 5 1 7 Removing the...

Page 60: ...ep 1 to 5 in 5 1 1 2 Release switch S2 loosen 2 screws Fig 15A 1 and hex nut Fig 15A 2 3 Mark axial position of Iris assembly in housing Fig 15A 3 4 Loosen 2 screws Fig 15A 4 and remove Iris assembly...

Page 61: ...to 4 2 Dissolve shellac of pin screw Fig 15B 1 with solvent alcohol spirit and pull out motor 3 Dissolve shellac of pin screw Fig15B 2 with solvent and remove gear 5 1 11 Assembling Iris motor 1 Perfo...

Page 62: ...from A slide by taking out the four screws Fig 16 2 4 Remove only first and last screw Fig 17 1 from A slide 5 Remove two screws Fig 17 2 to release A carrier from zoom upper part Note Prevent the sl...

Page 63: ...ig 19 1 and four washers Fig 20 1 to release A slide from B slide 8 Remove three screws Fig 19 2 to release cover from B slide 9 Remove four screws Fig 20 2 and one screw Fig 20 3 to release B carrier...

Page 64: ...Replacing modules Service manual Leica M525 04 2004 EBTH Update 07 2007 5 10 Doc Code 10 665 751...

Page 65: ...d dirt have a negative effect on the results of your work When the instruments are not in use use the dust covers and dust plugs provided Specific guideline for the Leica M500 N M520 M525 We recommend...

Page 66: ...Maintenance Service manual M500 N M520 M525 07 2007 Gahe 6 2 Doc Code 10 665 751...

Page 67: ...Service manual Leica M500 N M520 M525 Inspection Doc Code 10 665 751 7 1 07 2007 Gahe 7 Inspection Leica M500 N M520 M525 Table of content Chapter Page Inspection list entries 7 3 Test certificate 7 8...

Page 68: ...Inspection Service manual M500 N M520 M525 07 2007 Gahe 7 II Doc Code 10 665 751...

Page 69: ...Required results O K Fails 1 General WARNING 1 1 Switch stand system on Optics carrier and control unit perform the start up sequence No error messages on the control unit 2 Control unit 2 1 Display t...

Page 70: ...activated 2 7 Check screen brightness and contrast Use arrow keys in menu User settings control unit screen brightness and contrast Brightness and contrast can be increased and decreased from minimum...

Page 71: ...optics carrier 1 4 at WD max 407 to 13 7 at WD min 207 M520 M525 optics carrier 1 2 at WD max 470 to 12 8 at WD min 207 for eyepiece magnification 10x and tube focal length 170mm 3 M500 N M520 M525 op...

Page 72: ...nctions 3 11 Press zoom up button at left and right handle Magnification increases 3 12 Press zoom down button at left and right handle Magnification decreases 3 13 Observe movement of zoom Uniform zo...

Page 73: ...es no disturbing stray light in field of view Gaussian distribution of illumination in the field of view the light spot is in centre of field of view 3 22 Check autoIris function M525 only Press autoI...

Page 74: ...d Date Purpose of test System Configuration Serial no of optics carrier Stand OHS1 MS 1 MC 1 MS2 MS3 OH3 F40 C40 CT40 OH4 Software version optics carrier Serial no of stand Serial no of control unit S...

Page 75: ...AHE 8 Spare parts Leica M500 N M520 M525 Table of content Chapter Page Optics carrier 8 1 Exchange modules 8 1 Zoom unit 8 2 Focus illumination unit 8 4 A B slide 8 6 Various parts 8 7 CAN cables 8 8...

Page 76: ...Spare parts Service manual Leica M500 N M520 M525 04 2007 GAHE 8 II Doc Code 10 665 751 Stock n Description Specification Remark Drawing...

Page 77: ...M525 Optics carrier Optics carrier exchange modules 10 448 237R Optics carrier M525 with A B slide 10 448 029R Optics carrier M520 with A B slide 10 446 757R Optics carrier M500 N with A B slide 10 44...

Page 78: ...ark Drawing Zoom unit 10 714 391 Zoom complete with motor For M500N M520 M525 10 710 420 Zoom motor complete motor gearing encoder 10 712 255 Lens aperture 10 711 530 Set manual zoom drive without kno...

Page 79: ...tion Remark Drawing 10 714 356 Motor controller with software 4 4 or higher replaces former controller 10661250 of M520 and M500 N but it requires the latest SW 1 87 in the control unit upgrade parts...

Page 80: ...tifocus illumination module replacement part 10 713 263R M500 N multifocus illumination module replacement part 10 663 466 Focus motor with encoder 10 711 527 Set manual drive multi focal objective ax...

Page 81: ...vice manual Leica M500 N M520 M525 Spare parts Doc Code 10 665 751 8 5 04 2007 GAHE Stock n Description Specification Remark Drawing 10 714 366 Iris motor with encoder M525 only 10 712 158 Counterweig...

Page 82: ...5 751 Stock n Description Specification Remark Drawing A B slide Remark A B slide parts for optics carrier 10448238 refer to service manual OH4 doc code 10 665 744 10 446 491 A B slide 10 663 886 A sl...

Page 83: ...n Remark Drawing Various parts 10 446 570 Counterweight MTU205 10 714 358 Adapter plate OH4 6x Allen screw M4x12 not included 10 711 883 Adapter plate OH3 10 428 328 Drive knob cover 10 424 316 Protec...

Page 84: ...Doc Code 10 665 751 Stock n Description Specification Remark Drawing CAN cables 10 713 247 CAN cable to MC1 stand after 03 2005 length 4200mm 10 712 908 CAN cable to MS3 stand length 650mm View from w...

Page 85: ...9 04 2007 GAHE Stock n Description Specification Remark Drawing 10 714 364 CAN cable optics carrier M525 to OH4 stand 10 712 910 CAN cable swing carrier to optics carrier length 1000mm 10 712 148 CAN...

Page 86: ...escription Specification Remark Drawing plug housing not applied but enclosed 10 706 394 CAN cable swing carrier to optics carrier M500 N length 1070mm 10 712 909 CAN cable optics carrier M520 to OH3...

Page 87: ...les 10 446 489R With power supply for former MC1 systems till 03 2005 10446489 corresponds to 10448144MO 10 711 851R For OH3 without holder SW 1 87 or higher without power supply 10 448 144R For MS3 a...

Page 88: ...Drawing Components control unit 10 661 330 Control module with SW 1 87 or higher 10 706 177 LCD module 10 705 572 Switch panel complete front plate with keys and window 10 706 051MO Housing for contro...

Page 89: ...174 Holder complete 10 712 301 Holder complete for F40 delivery time on request 10 713 573 Holder complete for C40 CT40 delivery time on request 10 560 480 Power supply only required if control unit...

Page 90: ...sts of 4 Eproms and instruction 10 711 685 Eprom U4 control unit contains SW 1 87 or higher 10 711 686 Eprom U5 control unit contains SW 1 87 or higher 10 711 684 Eprom M500N M520 optics carrier conta...

Page 91: ...Service manual Leica M500 N M520 M525 Spare parts Doc Code 10 665 751 8 15 04 2007 GAHE Stock n Description Specification Remark Drawing 10 710 562 Download cable for control unit length 1500mm...

Page 92: ...Spare parts Service manual Leica M500 N M520 M525 04 2007 GAHE 8 16 Doc Code 10 665 751 Stock n Description Specification Remark Drawing...

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