TroubleshootingCLV-180
2-6
ISSUE1
2-5 High-brightness malfunction
Not changing to high-brightness function mode
2-5-1 Block diagram
2-5-2 Estimated location of malfunction
No
Estimated location failure Inspection Method
①
High-brightness scope 1
Confirm that scope is compatible for high-brightness.
②
Panel malfunction Refer to 2-13
Confirm following status of J15 connector on Main Board when
high-brightness scope is connected:
Tester
Main Board J15
When high-brightness scope is connected
Pin 2: HIGH
Pin 5: LOW
Pin 8: LOW
Pin 9: GND
* HIGH: approx. 5 V
③
Scope Sensor /
Main Board
1
YES → Replace Main Board
NO → Replace Scope Sensor