ViewSonic VA712b-1 Service Manual page 44

Defect Mode
ON/OF
Abnormal
LED display
abnormal
Abnormal
Keyboard
ViewSonic Corporation
Failure Analysis
¡° " Panel Change" Should be Performed to
No Power
LED Off
LED Dark
LED Abnormal
LED Flicker
Unavailable
Check PCB
Check Wire
Check PCB
Check Wire
Check PCB
Check Wire
Next Step
Confidential - Do Not Copy VA712-1_VA712b-1
41
Repair
Level 3
Repair stage
AD/B Change
P/B Change
CNT/B Change
PW cable Change
OSD cable Change
AD/B Change
P/B Change
OSD cable Change
Power wire connector
Cable change
AD/B Change
P/B Change
OSD cable Change
NG
Completed
Testing
TEST