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Leica M695 Functions of hand- or footswitch, Action, Reaction, Condition:, Possible reason, release functions, Release functions:, Connect again original switch

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M695 Fault finding	Service manual M695
09/93 3077-HWE	Doc code 638 718

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:

a)Service-handswitch or

b)Hand-/footswitch at the other CONTROL-input

	Action	Reaction	Possible reason

Release functions:

Corresponding LED at	Function
Display does not light	Receiver Board

Connect again original switch	Corresponding LED at Function Hand- or footswitch
a n d	Display does not light
release functions

Contents

Page Page lnhaltsvetzeichnis / Table of contents Copyright Haftung Liability Page Documentation : WILD M695 Service manual (Technical description and fault finding) Status new: 10/94 Multifocus objective on M695: Readjustment of the illumination CAUTION: The lamp may be hot Refer to Necessary replacement of SOM product “Light intensifier” No. 445 Faulty product has to be exchanged All other countries are not concerned Problem: Action: SOM HOTLINE: Fax: ++41 - 71 - 72 26 Fig.1: M680 control unit (MEL61/62) is compatible with M695 surgical microscope . . . from control unit onwards Modification of the Page Preconditions for using this service manual To the contents of service manual M680 microscope Wiring diagram Exchanging modules Exchanging boards Testing procedure Special tools The M695 User Manual is provided as a separate document To view it, click on this text M695 fault finding Preparation 1. Connecting the testbox 2. Settings on the control unit Power supply of control unit Functions of hand- or footswitch Condition: •Replace disturbed hand- or footswitch ective side A or B by either: Action Reaction Voltage R e a d i n g Possible fault Important: Adjust lamp again to minimal brightness Lamp control LAMP REF Important: Adjust Iamp again to minimal brightness Zoom control Heading Possible fault ZOOM SPEED ZOOM UP Select microscope side A or B: FOCUS SPEED set min. focus speed FOCUS UP FOCUS DN Page Description of functions MEL64/65 control unit Chapter Page The description is subdivIded for the main groups: The control circuits for zoom, focusing and XY-gear The swingarm cable The test box Notes Power supply MEL64/65 Control elements /displays Pages 24V supply 10V supply Page Page Control-LEDs 10V OK: >5A on 24V (PGND): yellow LED shines Fuse interrupted: red LED shines and on the function display: 5V supply Receiver board PGND, SENS and logics ground SENS Page Lamp control MEL64/65 Tasks Control element/display Pages Setting the lamp brightness Reference for lamp regulator Control elements / display Using motor to set zoom position Presenting zoom adjustment speed Page Page Control LEDs Using the motor to set the zoom position Presetting the zoom displacement speed Focus control MEL 64/65 Page Page ControI LEDs Presetting the focusing displacement speed Travelling to mid-position Page Table of content List of signals for Required values for standard two-metreswingarm cable Power supply SIGNAL VALUE -250mV Microscope Microscope control Unless otherwise indicated, set the lamp to minimum brightness CONDITIONS LAMP REF FOCUS SPEED Page Description of functions M695 microscope M695 microscope Lamp Control Zoom Servos A+B Focus Servos A+B and PGND, SENS and Logics-Ground Control elements / displays Limiting the excess current Adjusting the lamp brightness Zoom control Tasks Control elements /displays Page Setting zoom position with motor Using motor to set zoom position Recognizing end of range Before removing the encoder disk: Page Recognizing end of range Presetting the focus displacement speed Travelling to the mid-polnt Page Page Page Presetting the focus displacment speed Travelling to the mid-position Referenz auf Steckverbinder Reference to connectors Steckverb Seite Einheft Connector Page Referenz auf Boards Reference to boards Steuergerät MEL61/62 - Anschlussplatte Control unit MEL61/62 - Connector panel Page Steuergerät MEL61/62 und MEL64/65 - Rückwand Control unit MEL61/62 and MEL64/65 - Rear section Steuergerät MEL61/62 und MEL64/65 - Front Control unit MEL61/62 and MEL64/65 - Front section Schwenkarmkabel Swing arm cable Page Mikroskop M695 Microscope M695 - View to U-carrier Mikroskop M680 Microscope M680 - View to zoom servo Microscope M695 Page Page Replace X-Yslide Page Page Page Page Page Contents Motorized focusing M695 optics carrier Control unit MEL64/65 Page Page Test plan for M695 surgical microscope Page Page Page Page Page Test report for M695 surgical microscope Test report for M695 M695 service courses Test set M695/M680 - stock no. 566 Functions of test box