Filter
Top Products
M695 Fault finding
Service manual M695
09/93 3077-HWE
Doc code 636 718
Zoom control
Action
Heading
Reaction
Possible fault
ZOOM SPEED
Set min. zoom speed
1.84 ... 2.34V
Set max. zoom speed
5V +-5%
ZOOM UP
ZOOM DN
/footswitch
non-actuated
/footswitch
non-actuated
>4.75V
<0.2V
>4.75v
<0.2v
Voltages ok, but
reacts incorrect
Microscope
(Logic board.
Zoom servo,
wiring)
Separate microscope
from the testbox and
check signals
see above
Voltages ok
Microscope
(short circuit on
Zoom servo or
wiring)
Bridge swingarm with
servicecable and verify
see above
Voltages ok Swingarm cable
signals
Voltages not ok Control unit
4-8