TROUBLESHOOTING CLV-160
Shielding check on
When the scope is disconnected, the brightness
removal of the scope
is not reduced to the minimum or changed.
Set the light source to the
maximum brightness in
manual mode.
Is the brightness
reduced to the minimum
when the scope is
removed.
No
Yes
Check the harness
UPCL16CR00
UPNS60U
connection.
UPCL16CR00
UPCN50U
Yes
Is the brightness
reduced to the minimum
when the scope is
removed.
No
Check the scope detection
mechanism and the
diaphragm mechanism.
The metal plate part deformed or caught.
The diaphragm is deformed or caught.
Yes
Is the brightness
reduced to the minimum
when the scope is
removed.
No
Replace the UPCN50U.
(Replace the scope
detection board.)
Yes
Is the brightness
reduced to the minimum
when the scope is
removed.
No
Replace the UPNS60U.
(Replace the
diaphragm unit.)
Yes
Is the brightness
reduced to the minimum
when the scope is
removed.
No
Replace the
UPCL16CR00. (Replace
the main board.)
End
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