ViewSonic Pro8400 Series VS13647 - Troubleshooting Operation and Button Failures

Operation Function Troubleshooting
Remote Control
Failure
Replace
Battery
Replace
Remote Control
Replace
IR
Replace
Main board
OK
OK
OK
NG
NG
NG
NG
Check
Main board
Check
Remote Control
Check
Battery Level
Check
IR
Button Failure
Replace Keypad
and FFC
Replace
Main board
NG
NG
OK
Check
Main board
Check
Keypad and FFC
Confidential - Do Not Copy
ViewSonic Corporation
Pro8400
31