Olympus CLV-160 - Manual Brightness Adjustment Check

TROUBLESHOOTING CLV-160
Manual brightness
adjustment check
The visual field is dark or too bright.
Set the auto/manual
brightness selector
to “Manual”.
Is the diaphragm
controlled with the
brightness adjustment
switch?
No
Yes
Is the scope correctly
connected?
Yes
Is the diaphragm
controlled with the
brightness adjustment
switch?
No
Check the harness connection.
Check the diaphragm mechanism.
UPCL16CR00 UPNS6OU
Diaphragm blade is deformed
or caught.
Yes
Is the diaphragm
controlled with the
brightness adjustment
switch?
No
Replace the UPCN50U. (Replace
the scope detection board.)
Yes
Is the diaphragm
controlled with the
brightness adjustment
switch?
No
Replace the UPCL16CR00.
(Replace the main board.)
Yes Is the diaphragm
controlled with the
brightness adjustment
switch?
No
Replace the UPNS6OU. (Replace
the diaphragm unit.)
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