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Service manual M695
M695 Fault finding
Doc code 636 718
09/93 3077-HWE
Lamp control
Signal Action
Reading
Reaction
Possible fault
LAMP REF
Adjust lamp to min./max
0.3V / 5V
Voltage ok
Microscope
brightness
+-5%
(Lamp Control,
Wiring)
Separate microscope
from the testbox,
adjust lamp to min./max
0.3V / 5V
Voltage ok
brightness
+-5%
Bridge swingarm with
service cable,
adjust lamp to min./max
0.3V / 5V
Voltage ok
brightness
+-5%
Voltage not ok
Important: Adjust Iamp again to minimal brightness!
Microscope
Swingarm cable
Control unit
4-7