ViewSonic PJD6531w Service Manual page 36

Operation Function Troubleshooting
Remote Control
Failure
Check
Battery Level
OK
Check
Remote Control
OK
Check
IR
OK
Check
Main board
ViewSonic Corporation
NG
Replace
Battery
NG Replace
Remote Control
NG
Replace
IR
NG Replace
Main board
35
Button Failure
NG
Replace Keypad
Check
and FFC
Keypad and FFC
OK
NG
Check
Main board
Confidential - Do Not Copy
Replace
Main board
PJD6531w