Olympus CLV-180, Руководство по обслуживанию, Страница: 31 / 81

Troubleshooting CLV-180
2-12
ISSUE1
Pin 8
：
H
・
High-brightness SP Scope High brightness SP Scope Dummy
Pin 2
：
H
Pin 5
：
L
Pin 8
：
L
*H
：
approx. 5 V
NO
：
Replace Scope Sensor
Confirm following status of J8 when Brightness is set to manual and
light quantity from minimum to maximum:
J8
Pin 2
：
Voltage change minus to plus.
⑤
Iris Unit /
Main Board 1
YES
：
Replace Iris Unit
NO
：
Replace Main Board
2-12 Automatic Brightness failure
View field is dark or excessively light
2-12-1 Estimated location of failure
No Estimated location failure Inspection Method
1 Light Source Cable
CV-180 Confirm connection to system capable of automatic Brightness.
CV-180
Light Source Cable
2 Manual Brightness failure Refer to 2-11
Confirm following status of J8 when scope move to the distance from
vicinity:
J8
Pin 2
：
Voltage change minus to plus.
3 Main Board
TES
：
Replace Iris Unit
NO
：
Replace Main Board