Leica WILD M695 Service Manual
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Leica WILD M695 Service Manual

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Leica AG, CH-9435 Heerbrugg (Switzerland)
Telephone +11 (071) 70 31 31, Fax +41 (071) 72 69 52
Leica is a registered trade mark of Leica technologij B. V. Rijswijk, the Netherlands

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  • Page 1 Leica AG, CH-9435 Heerbrugg (Switzerland) Telephone +11 (071) 70 31 31, Fax +41 (071) 72 69 52 Leica is a registered trade mark of Leica technologij B. V. Rijswijk, the Netherlands...
  • Page 2 Legal matters Revisions/Service News Introduction / User manual Service Manual Fault finding with testset WILD M695 Control unit MEL61/62, MEL64/65 Swingarm MSV 136/137 Microscope M695 Wiring diagram Replacing modules Replacing boards Inspection procedure Training Testset Spare parts catalogue Special tools...
  • Page 3 Legal questions/ Safty-Rechtsfragen / Sicherheit Service Manual M695 09/93 3691-DMF Doc Code 636 718 lnhaltsvetzeichnis / Table of contents Seite Kapitel Rechtsfragen / Legal questions ..................1 Sicherheit / Safety / Securite / Seguridad ............... 3...
  • Page 4 Only persons who have successfully completed the appropriate service training provided by Leica AG, Heerbrugg and are in the employ of a Company in the Leica Group or of an agency, distributor, or Service Workshop duly authorized by Leica AG, Heerbrugg have the status of qualified Service engineer.
  • Page 5 • To understand and follow the safety information and instructions on the product and in the user manual. • To be familiar with local regulations relating to industrial and non-industrial accident prevention in the knowledge that these regulations are up to date. • To inform Leica immediately in writing if the equipment becomes unsafe.
  • Page 6 October 94 Leica AG, Heerbrugg R E V I S I O N Documentation : WILD M695 Service manual (Technical description and fault finding) Status : Edition 09(93 Revision, previous: ------- new: 10/94 Reason for revision : M680 control unit (MEL61/62) is compatible with M695...
  • Page 7 SOM and SM Service News Surgical Operating Microscopes No. 10/95 Leica AG CH-9435 Heerbrugg To Service staff (Switzerland) Date/from June 28, 1995 / 3077-HWE File Workshop binder “Service News” / Service manual M695 Re. M695 surgical microscope in conjunction with...
  • Page 8 3. Switch to the second lamp, and carry out point 2 for this lamp. 4. Refit the multifocus objective and inspect the illumination as described above. 5. If necessary, repeat the adjustment procedure (points 1 - 3). Leica AG Service SOM/SM W. Hammerle...
  • Page 9 SOM and SM Service News Leica AG 09 / 95 CH-9435 Heerbrugg (Switzerland) Service staff Date/from May 29, 1995 / BKL-3402 File Workshop binder “Service News” / Service Manual M695 Refer to Necessary replacement of SOM product “Light intensifier” No. 445 796...
  • Page 10 Fig.1: The improved (second) version has approx. 5 mm cement free area in the center, good improved version where at the old version the whole is completely filled with cement. Leica AG Service SOM/SM Klaus Bieniek SERNEWSE.DOC 2 / 2...
  • Page 11 Service manual M695 Modification Doc Code 636 718 10/94 3077-HWE Changes and modifications M680 control unit (MEL61/62) is compatible with M695 surgical microscope the MEL61/62 can also be used for the M695, provided that earlier lamp . . . from control unit control PCBs are subjected to a slight modification.
  • Page 12 Modifications Service manuel WILD M695 Doc Code 636 718 10/94 3077-HWE...
  • Page 13 Preconditions for using this service manual Intended users Technical personnel provided by customer or by LEICA agencies, equipped with the testset 566 152 (see Section 18). What is expected of Stage 1: Allocation of a fault to one of the main groups:...

  • Page 14: Wiring Diagram

    Service Manual M680 Introduction Doc code 656 948 03/93 3077-HWE To the contents of service manual Legal aspects This book may only be given to, and used by, certain persons. These are detailed in Section 1. Changes/ Place Service News on top of the M695 in Section 2. Service News Introduction/ CONGRATULATIONS - You are one of those methodical people who also...
  • Page 15 Introduction Service Manual M680 03/93 3077-HWE Doc code 556 948 Swingarm The function description in Section 6, in conjunction with the wiring diagram, Description of function will lead you to the defective board or cable connection. The swingarm is the interface.
  • Page 16 Service Manual M680 Introduction Doc code 556 948 03/93 3077-HWE Special tools Section 20 includes a list of the service equipment which will enable you to carry out the operations described above. No special tools are required. The components making up the test box include a service handswitch and a service cable which serves to bridge the swingann.
  • Page 17 User Manual Service Manual M695 (CD-ROM) 08/98 Doc code 636 718 The M695 User Manual is provided as a separate document. To view it, click on this text.
  • Page 18 Service manual M695 M695 fault finding Doc code 636 718 09/93 3077-HWE Table of content M695 fault finding Chapter Page Preparation Power supply of control unit Functions of hand- or footswitch Supply of microscope Lamp control Zoom control Focus control...
  • Page 19 Service manual M695 M695 Fault finding Doc code 636 718 09/93 3077-HWE M695 Fault finding Preparation 1. Connecting the testbox Disconnect plug P36 from swingarm Hook in the testbox to the swingarm and plug in P36 at the testbox. Connect the testbox cable (green sleeve) with J36 at the swingann. With that the control unit is connected with the microscope through the testbox.
  • Page 20 Service manual M695 M695 Fault finding Doc code 636 718 09/93 3077-HWE 2. Settings on the control unit Adjust Lamp to minimal brightness •...
  • Page 21 M695 Fault finding Service manual M695 09/93 3077-HWE Doc code 636 718 Power supply of control unit Check Reaction Possible reason Action SWITCHING ON Fuses F1 and F2 in Lamp of main switch Line voltage line plug P1 does not light Main switch S1 Line cable Transformer...
  • Page 22 Service manual M695 M695 Fault finding Doc code 638 718 09/93 3077-HWE Functions of hand- or footswitch Condition: Malfunction of hand- or footswitch of only one of the two CONTROL-inputs, A or B is disturbed. Replace disturbed hand- or footswitch ective side A or B by either: •...
  • Page 23 M695 Fault finding Service manual M695 09/93 3077-HWE Doc code 636 718 R e a d i n g Reaction Possible fault Voltage Action 1.Lamp to min.brightness 26V +-5% Microscope reacts - Check supply- M I C R O lines of 24V and 2.Lamp to max.brightness 20V +-5% but incorrect check PGND -...
  • Page 24 M695 Fault finding Service manual M695 09/93 3077-HWE Doc code 636 718 Check lines of Powerground PGND (Voltage drop on PGND relating to logic ground) Signal Action Reading Reaction Possible fault FOCUS UP Adjust lamp to maximal max. -0.8W If voltage is ok - depending on the incorrect brightness with standard- function, check signals of: swingarm...
  • Page 25 M695 Fault finding Service manual M695 09/93 3077-HWE Doc code 636 718 Lamp control Possible fault Reading Reaction Signal Action Voltage ok Microscope LAMP REF 0.3V / 5V Adjust lamp to min./max +-5% (Lamp Control, brightness Wiring) Separate microscope from the testbox, Microscope 0.3V / 5V Voltage ok...
  • Page 26 Service manual M695 M695 Fault finding Doc code 636 718 09/93 3077-HWE Zoom control Heading Reaction Possible fault Action 1.84 ... 2.34V ZOOM SPEED Set min. zoom speed 5V +-5% Set max. zoom speed ZOOM UP /footswitch >4.75V Microscope Voltages ok, but non-actuated <0.2V reacts incorrect...
  • Page 27 Service manual M695 M695 Fault finding Doc code 636 718 09/93 3077-HWE Focus control Select microscope side A or B: • Select A or B, depending on which side the zoom works incorrect • Select A if the fault appeares on both sides, A and B. Action Reading Reaction...
  • Page 28 M695 Fault finding Service manual M695 Doc code 636 718 09/93 3077-HWE 4-10...

  • Page 29: Table Of Contents

    Description control unit MEL64/65 Service manual M695 09/93 3077-HWE Doc code 636 718 Description of functions MEL64/65 control unit Page Chapter Introduction Power supply Lamp control 5-11 Zoom control 5-15 Focus control...
  • Page 30 Description of control unit MEL64/65 Service manual M695 09/93 3077-HWE Doc code 636 718 Description of functions MEL64/65 control unit The description is subdivIded for the main groups: • Control unit MEL64/65 - Section 5 • Swingarm MSV136/137 - Section 6 •...
  • Page 31 Description of control unit MEL64/65 Service manual M695 09/93 3077-HWE Doc code 636 718 Notes...
  • Page 32 Description of control unit MEL64/65 Service manual M695 09/93 3077-HWE Doc code 636 718 Power supply MEL64/65 Pages Control elements /displays 24V supply Red LED on panel board indicates for microscope and XY-gear defective fuse supply Green LED on panel board shows 10V for potentiometer and receiver board 5V supply LED “5V”...
  • Page 33 Service manual M695 Description of control unit MEL64/65 Doc code 636 718 09/93 3077-HWE...
  • Page 34 Service manual M695 Description of control unit MEL64/65 Doc code 639 718 09/93 3077-HWE...
  • Page 35 Service manual M695 Description of control unit MEL64/65 Doc code 636 718 09/93 3077-HWE Control-LEDs On the panel board: 10V OK: green LED shines >5A on 24V (PGND): yellow LED shines Fuse interrupted: red LED shines and on the function display: 5V OK: green LED shines 24V supply The 24V supply powers the servo board via the receiver board, and the...
  • Page 36 Service manual M695 Description of control unit MEL64/65 Doc code 636 718 09/93 3077-HWE 5V supply An LED on the function display shows 5V OK. The following are supplied Receiver board with power: Handswitch or f&switch, and logics on receiver board. PGND, SENS and logics Microscope ground (PGND) and SENS are connected in the microscope.
  • Page 37 Description of control unit MEL64/65 Service manual M695 09/93 3077-HWE Doc code 636 718 Notes...
  • Page 38 Description of control unit MEL64/65 Service manual M695 09/93 3077-HWE Doc code 636 718 Lamp control MEL64/65 Tasks Pages Control element/display Setting the lamp brightness 5-10,7-3 Potentiometer on control unit Limiting excess current Measurement resistor on LAMP CONTROL in microscope...
  • Page 39 Description of control unit MEL64/65 Service manual M695 09/93 3077-HWE Doc code 636 718 Reference for lamp The voltage level LAMP REF depends on the position of the brightness regulator potentiometer. LAMP REF is passed via the receiver board and the swingarm cable to the lamp control board in the microscope, where it forms the reference value (required value) of the lamp regulator.
  • Page 40 Description of control unit MEL64/65 Service manual M695 09/93 3077-HWE c code 636 718 Control elements / display Using motor to set zoom position Footswitch or handswitch 5-14,7-6 Function display Up/down-LED on zoom servo Presenting zoom adjustment speed Zoom speed potentiometer 5-14,7-8 5-11...
  • Page 41 Service manual M695 Description of control unit MEL64/65 Doc code 636 718 09/93 3077-HWE 5-12...
  • Page 42 Description of control unit MEL64/65 Service manual M695 09/93 3077-HWE Doc code 636 718 5-13...
  • Page 43 Description of control unit MEL64/65 Service manual M695 09/93 3077-HWE Doc code 636 718 Control LEDs The function display tells you whether the signals from the footswitch or handswitch are being correctly received and interpreted: for ZOOM UP for ZOOM DOWN Using the motor to set the The handswitch or the footswitch transmits on RD_2 or RD_3 the codes which zoom position...
  • Page 44 Service manual M695 Description of control unit MEL64/65 Doc code 636 718 09/93 3077-HWE Focus control MEL 64/65 Control elements/display Pages Tasks Motorized focusing Footswitch or handswitch 5-18,7- Functiondisplay Up/down-LED on focus servo Presetting speed of focusing Focus speed potentiometer 5-18,7- Travelling to centre position Footswitch or handswitch...
  • Page 45 Description of control unit MEL64/65 Service manual M695 03/93 3077-HVVE Doc code 636 718 5-16...
  • Page 46 Service manual M695 Description of control unit MEL64/65 Doc code 636 718 09/93 3077-HWE 5-17...
  • Page 47 Description of control unit MEL64/65 Service manual M695 03/93 3077-HWE Doc code 636 718 ControI LEDs The function display tells you whether the signals from the footswitch or handswitch are being correctly received and interpreted: for FOCUS UP for FOCUS DOWN for CENTER POSITION Motorized focusing The handswitch or footswitch transmits on RD_2 or RD_3 the codes which...
  • Page 48 Service manual M695 Description of control unit MEL64/65 09/93 3077-HWE Doc code 636 718 Travelling to mid-position This function is activated from the handswitches or footswitches A and B, using the key (SL->). A timer (Monoflop) sets FOCUS SPEED to GND potential for about 30 milliseconds, using a transistor.
  • Page 49 Service manual M695 Description of control unit MEL64/65 09/93 3077-HWE Doc code 636 718 Notes 5-20...
  • Page 50 Description swingarm MSV136/137 Service manual M695 Doc code 636 718 09/93 3077-HWE Table of content List of signals for swingarm MSV136/137 Page Chapter Power supply Microscope control...
  • Page 51 Service manual M695 Description swingarm MSV136/137 Doc code 636 718 09/93 3077-HWE List of signals for swingarm MSV 136/137 Required values for standard two-metre swingarm cable • Unless otherwise indicated, set the lamp to minimum brightness, because the values quoted are only valid under these conditions. Power supply SIGNAL VALUE...
  • Page 52 Service manual M695 Description swingarm MSV136/137 Doc code 636 718 09/93 3077-HWE 150mA Current consumption Lamp min. brightness 50mA Quick-change lamp mount disengaged Microscope Lamp max. brightness 3.5A Guiding value...

  • Page 53: Microscope Control

    Description swingarm MSV136/137 Service manual M695 Doc code 638 718 09/93 3077-HWE Microscope control All signals are measured against SENSE Unless otherwise indicated, set the lamp to minimum brightness SIGNAL CONDITIONS VALUE TOL. LAMP REF 0.3...5V Lamp min./max. brightness +-5% FOCUS SPEED 1.25...1.7V / 5V +-5% Min./Max.
  • Page 54 Description swingarm MSV136/137 Service manual M695 Doc code 636 718 09/93 3077-HWE...
  • Page 55 Service manual M695 Description microscope M695 Doc code 636 718 09/93 3077-HWE Table of content Description of functions M695 microscope Chapter Page Power supply Lamp control Zoom control Focus control...

  • Page 56: Power Supply

    Service manual M695 Description microscope M695 Doc code 636 718 09/93 3077-HWE Power Supply M695 microscope For functions of control unit, refer to page 5-3 Tasks Page 24V-Supply Ground PGND, SENS...
  • Page 57 Service manual M695 Description microscope M695 Doc code 636 718 09/93 3077-HWE 24V supply Lamp Control Zoom Servos A+B Focus Servos A+B and The final stages for lamp, zoom- and focusing motor, is supplied with 24V on these boards, via switching regulators. PGND, SENS and Microscope-Ground (PGND) and SENS are linked within the microscope.
  • Page 58 Service manual M695 Description microscope M695 Doc code 636 718 09/93 3077-HWE Lamp control M695 microscope For functions of control unit, refer to page 5-9 Tasks Control elements / displays Page Setting the lamp brightness Control unit Limiting the excess current Measuring resistor on LAMP CONTROL...
  • Page 59 Description microscope M695 Service manual M695 09/93 3077-HWE Doc code 636 718 Adjusting the lamp A pulse-width modulator, dependent on the level of LAMP REF. controls the final-stage transistors. The voltage is smoothed with chokes and electrolytic brightness condensers and the electricity is conducted to the lamp. The secondary voltage is compared with the required value (LAMP REF) at the entrance of the regulator.
  • Page 60 Service manual M695 Description microscope M695 Doc code 636 718 09/93 3077-HWE Zoom control M695 microscope For functions of control unit, refer to page 5-11 Tasks Control elements /displays Page Setting zoom position with motor LEDs: ZOOM UP + DOWN Recognizing end of range Light barriers on ZOOM SERVO Presetting zoom displacement speed...
  • Page 61 Service manual M695 Description microscope M695 Doc code 636 718 09/93 3077-HWE Control LEDs Yellow LEDs on the zoom servo board for the signals ZOOM UP ZOOM DOWN Using motor to set zoom The control signals (0V/5V) for ZOOM UP and DOWN reach the zoom board position...
  • Page 62 Description microscope M695 Service manual M695 03/93 3077-HWE Doc code 636 718 Recognizing end of range An encoder disk rotates with the zoom gear. The white field on the disk is marking the limit area. It is sensed by two light barriers located on the zoom servo.
  • Page 63 Service manual M695 Description microscope M695 Doc code 636 718 09/93 3077-HWE Presetting the zoom The displacement speed is adjusted by means of the supply voltage for the displacement speed zoom motor. The final stage only has a switching function. The ZOOM SPEED level is the reference for the voltage regulator on the zoom servo board.
  • Page 64 Service manual M695 Description microscope M695 Doc code 636 718 09/93 3077-HWE Focus control M695 microscope For functions of control unit, refer to page 5-15 Tasks Control elements /displays Page Motorized focusing Control unit 7-12 Recognizing end of range Light barriers on FOCUS SERVO 7-12 Presetting the focus displacement speed Control unit...
  • Page 65 Service manual M695 Description microscope M695 Doc code 636 718 09/93 3077-HWE...
  • Page 66 Service manual M695 Description microscope M695 Doc code 636 718 09/93 3077-HWE 7-11...
  • Page 67 Description microscope M695 Service manual M695 09/93 3077-HWE Doc code 636 718 Motorized focusing The control signals (0V/5V) for A/B FOCUS UP and A/B FOCUS DOWN pass through the swingarm cable and the Lamp Servo to reach Zoom Servo at the microscope. ZOOM UP/DOWN activates the end-stage transistors in the zoom servo board.
  • Page 68 Service Manual M695 Verdrahtung/Wiring Doc Code 636 718 10/94 3077-HWE Referenz auf Steckverbinder Reference to connectors Wo im Instrument die Steckverbindungen zu finden sind erfahren Sie anhand dieser Liste und der nachfol- genden Seiten. The location of connectors is shown by the list, referring to following pages. Steckverb.
  • Page 69 Service Manual M695 VerdrahtunglWiring 10/94 3077-HWE Doc Code 636 718 Steckverb. Seite Einheft Unlt Connector Page JP23 9-10 Mikroskop - Microscope M695 JP25 9-11 Mikroskop - Microscope M695 9-11 Mikroskop - Microscope M695 JP26 9-4,9-5,9-6 Steuergerät - Control unit MEL64/65 Mikroskop - Microscope M695 JP30 9-11...
  • Page 70 Verdrahtung/Wiring Service Manual M695 Doc Code 636 718 10/94 3077-HWE Referenz auf Boards Reference to boards Boards finden Sie anhand der Liste und der nachfolgenden Abbildungen. The location of boards is shown by the list, referring to following pages. Board Einheit Seite Unit...
  • Page 71 Service Manual M695 Verdrahtung/Wiring Doc Code 636 718 10/94 3077-HWE Steuergerät MEL61/62 - Anschlussplatte Control unit MEL61/62 - Connector panel...
  • Page 72 Service Manual M695 Verdrahtung/Wiring Doc Code 636 718 10/94 3077-HWE Steuergerät MEL64/65 - Anschlussplatte Control mit MEL64/65 - Connector panel...
  • Page 73 Verdrahtung/Wiring Service Manual M695 10/94 3077-HWE Doc Code 636 718 Steuergerät MEL61/62 und MEL64/65 - Rückwand Control unit MEL61/62 and MEL64/65 - Rear section...
  • Page 74 Verdrahtung/Wiring Service Manual M695 10/94 3077-HWE Doc Code 636 718 Steuergerät MEL61/62 und MEL64/65 - Front Control unit MEL61/62 and MEL64/65 - Front section...
  • Page 75 Service Manual M695 Verdrahtung/Wiring Doc Code 636 718 09/93 3077-HWE Schwenkarmkabel - Stecker zum Steuergerät Swing arm cable - Connector to control unit...
  • Page 76 Service Manual M695 Verdrahtung/Wiring Doc Code 636 718 09/93 3077-HWE Schwenkarmkabel - Stecker zum Mikroskop M695 Swing arm cable - Connector to microscope M695...
  • Page 77 Verdrahtung/Wiring Service Manual M695 09/93 3077-HWE Doc Code 636 718 Mikroskop M695 - Ansicht auf U-Träger Microscope M695 - View to U-carrier...
  • Page 78 Verdrahtung/Wiring Service Manual M695 09/93 3077-HWE Doc Code 636 718 Mikroskop M680 -Ansicht auf Zoom Servo Microscope M680 - View to zoom servo...
  • Page 79 Service Manual M695 V e r d r a h t u n g / W i r i n g Doc code 636 718 09/93 3077-HWE Mikroskop M695 - Ansicht auf motorische Fokussierung (MOB) Microscope M695 - View motorized focusing (MOB)
  • Page 81 Replacing modules Service Manual M695 09/93 3691-DMF Doc Code 636 718 Contents Page 10-1 Replace X-Y slide 10-2 Replace gas spring of swingarm 10-5 Replacing swingarm cable...
  • Page 82 Replacing modules Service Manual M695 09/93 3691-DMF Doc Code 636 718 Replace X-Y slide Remove 2 screws (1) and cover (2). Remove 6 hollow screws (3) and X-Y slide (4). After each manipulation, inspect the functioning.
  • Page 83 Replacing modules Service Manual M695 09/93 3691-DMF Doc Code 636 718 Replace gas spring of swingarm MSV136/137 Set counterbalance to "10". Remove 2 screws (1) and parallel bar (2). Remove washer (3) and parking piece (4). Note: The hole-to-hole distance of the parallel bar can be set by turning the eccentric sleeve (5)
  • Page 84 Service Manual M695 Replacing modules Doc Code 636 718 09/93 3691-DMF Release screw (1), disengage safety hook (2). Pull swingarm down until spindle (3) and screw (4) are tension-free. Remove spindle (3), screw (4) and parallel bar (5).
  • Page 85 Service Manual M695 Replacing modules Doc Code 636 718 09/93 3691-DMF Remove spacer ring (1), safety ring (2) and pin (3). Assembly: Fit pin (3) with longer end towards safety hook. Remove gas spring (4) from mount (5) and unscrew it. Assembly: Screw gas spring fully in and then unscrew by up to ½...
  • Page 86 Service Manual M695 Replacing modules Doc Code 636 718 09/93 3691-DMF Replacing swingarm cable Screw off cover ring (1) and cut off cable tie (2) from cable duct (3). Remove 2 screws (4) and extract plug plate (5) complete with Lemo plug. Open AMP plug and push contact pins out to the rear.
  • Page 88 Service Manual M695 Replacing boards Doc Code 636 718 09/93 3691-DMF Contents Page Motorized focusing Focus servo board 11-1 M 6 9 5 Replace lamp-control board 11-2 Control unit Replacing panel board 11-3 Replacing receiver board 11-4 Replacing display board 11-4...
  • Page 89 Replacing boards Service Manual M695 09/93 3691-DMF Doc Code 636 718 Motorized focusing Focus servo board for motorized focusing Remove 6 screws (1), adapter (2) and upper part of housing (3). Remove 6 screws (4). Raise focus servo board (5). Pull out plug J33. After each manipulation, inspect the functioning.
  • Page 90 Replacing boards Service Manual M695 09/93 3691-DMF Doc Code 636 718 M695 optics carrier Replace lamp-control board Remove 3 screws (1) and bracket (2). Pull out 4 plugs (3), Remove 2 countersunk screws (4), 2 cheese-head screws (5) and the lamp-control board (6).
  • Page 91 Service Manual M695 Replacing boards Doc Code 636 718 09/93 3691-DMF Control unit MEL64/65 Replacing panel board Remove 4 screws with washers (1). Remove knob cover (2) and knobs (3). Open front cover (4). Pull out 2 plugs. Unscrew and remove 4 screws (5).
  • Page 92 Replacing boards Service Manual M695 09/93 3691-DMF Doc Code 636 718 Replacing receiver board Remove spacer nut (1). Pull plug out from receiver board (2). Remove receiver board. Replacing display board Remove 2 screws with washers (3), and take out function display (4) Assembly: Align LEDs with display window.

  • Page 93: Inspection Procedure

    Inspection procedure Service Manual M695 09/93 3691-DMF Doc Code 636 718 Contents Page Section 1. Inspecting the hand- / footswitch functions and function 12-l display on the MEL64/65: 12-4 2. Lamp control: 12-4 3. ZOOM control: 12-5 4. FOCUS control: 12-6 5.
  • Page 94 Service Manual M695 Inspection procedure 09/93 3691-DMF Doc Code 636 718 Test plan for M695 surgical microscope Always pull out the power plug before opening the control unit! Assemble the M695 surgical microscope in accordance with the user manual, but disconnect all cables.
  • Page 95 Service Manual M695 Inspection procedure Doc Code 636 718 09/93 3691-DMF Activate the foot- or handswitch functions. • The appropriate LED on the function display shines. (If a fault arises, exchange the foot- or handswitch and repeat the inspection procedure. If there is still a fault, then its source is to be found in the MEL64/65 control unit.) (Fault location in hand-/footswitch functions, page 4-4) ML on/off...
  • Page 96 Service Manual M695 inspection procedure Doc Code 636 718 09/93 3691-DMF Preparation: Connect test box. • Separate plug connection J/P36 on swingarm. • Hang test box on to swingarm. Connect plug P36 from test box to swingarm, and from M695 microscope to test box.
  • Page 97 Inspection procedure Service Manual M695 09/93 3691-DMF Doc Code 636 718 Turn LAMP potentiometer on control unit from min. to max. • Reading on test box: LAMP REF. min./max. 0.3..5v. The brightness of the microscope lamp is continuously adjustable. Activate the quick-change lamp mount. •...
  • Page 98 Service Manual M695 Inspection procedure Doc Code 636 718 09/93 3691-DMF Inspect zoom range. • Travel to zoom end positions 7 and 36 using max. SPEED. Zoom should not touch mechanical stop. Relevant magnification is seen centred in window. Turn FOCUS SPEED potentiometer from min. to max. and from max. to min. •...
  • Page 99 Inspection procedure Service Manual M695 09/93 3691-DMF Doc Code 636 718 Cleanliness of optical components • All surfaces of optical components in the observation and illumination beam paths must be clean, 5 . 2 Z o o m • Focus on the object and operate ZOOM UP and ZOOM DOWN at their minimum speeds.
  • Page 100 Prüfprotokoll Service Manual M695 09/93 3691-DMF Doc Code 636 718 Test report for M695 surgical microscope Customer: Tested by: Date: Serial no. Stock no. Description ....445 560 Optics carrier M695 ....445 561 Microscope carrier 45° ....445 562 Microscope carrier 45°/70°...
  • Page 101 Prüfprotokoll Service Manual M695 09/93 3691-DMF Doc Code 636 718 Test report for M695...

  • Page 102: Training

    - carry out a comprehensive inspection of the functions Leica AG, Heerbrugg, Service LSG/MSM training department Location: In agencies, provided that the service technician (instructor) has alredy attended an M695 course at Leica AG in Heerbrugg Duration: 2 days Cost: In accordance with present guidelines, described in the Service Training Program (excluding travel and accomodation).
  • Page 103 Service Manual M695 Testset Doc code 638 718 09/93 3077-HWE Test set M695/M680 - stock no. 566 152 Contents of test set • Test box, stockno. 566 146 • Service cable M695/M680, stock no. 566 148 • Service handswitch, stock no. 566 147 Enables defective •...
  • Page 104 Testset Service Manual M695 09/93 3077-HWE Doc code 636 718 Functions of test box All control voltages . . . All supply- and control voltages between the control unit and the microscope with XY-gear can be measured..to the microscope . . . Control voltages to the microscope are measured relative to XY_GND, such to the XY-gear relative to GND_XY.
  • Page 105 Service Manual M695 Testset Doc code 638 718 09/93 3077-HWE The test box: One digital voltmeter is assigned to each of the functions POWER SUPPLY, three multimeters MICROSCOPE CONTROL and XY-GEAR. The signals reach the measuring instrument through a rotary switch. Digital voltmeters 1.999V - with overflow display (OL) Range of measurement:...
  • Page 106 Testset Service Manual M695 09/93 3077-HWE Doc code 636 718 XY-GEAR Rotary switch S4: Selects the signals from and to XY-GEAR. (at M680 only) Diagram on page 18-8 Voltage distributor: 1/10 Measuring ground: GND_XY Specifications: Voltage measurement: +-3% +-1 digit Current measurement: +-5% +-1 digit...
  • Page 107 Service Manual M695 Testset Doc code 636 718 09/93 3077-HWE...
  • Page 112 Testset Service Manual M695 09/93 3077-HWE Doc code 636 718...

  • Page 113: Spare Parts Catalogue

    Spare parts catalogue M695 10/94 3691-DMF Doc Code 636 718 Bemerkung Zeichnung Art.Nr. Benennung / Spezifikation Remark Drawing Stock n°. Description / Specification Spare parts list M695 355 980 Lamp-control board See page 11-2 Attention when the board is replaced at Instruments or with control units which are delivered since martch 94: If the lamp control board does not have index C of modification or later it must be modified as shown on page 2-1.
  • Page 114 Ersatzteilkatalog Spare parts catalogue Doc Code 636 718 10/94 3691-DMF Bemerkung Zeichnung Art.Nr. Benennung / Spezifikation Stock n° Description / Specification Remark Drawing...

  • Page 115: Special Tools

    Special tools Service Manual M695 09/93 3691-DMF Doc Code 636 718 401 283 Pin spanner Handle for pin spanner 418 135 Test set compl. without boards 566 152 566 146 Test box Hand switch mod. 566 147...
  • Page 116 Special tools Service Manual M695 09/93 3691-DMF Doc Code 636 718 556 148 Service cable (M680/M695) 566 151 Box...

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