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Service manual M695
M695 Fault finding
Doc code 636 718
09/93 3077-HWE
Power supply of control unit
Action
Reaction
Possible reason
Check
SWITCHING ON
Lamp of main switch
does not light
Line voltage
Fuses F1 and F2 in
line plug P1
Main switch S1
Line cable
5V-LED on Function-
Display does not light
24V-main supply
Transformer
Rectifier circuit
Wiring
10V-supply
5V-supply
Panel board
Receiver board
Focus does not move
to center position
Control unit,
Swingaxm
or
microscope
Focus control
page 4-9
4-3