ViewSonic PJ402D-2 Service Manual page 30

Operation Function:
Remote Control
Failure
Check
Battery
Level
OK
Check
Remote
Control
OK
Check
IR Board or IR cable
OK
Main
Board Fail
ViewSonic Corporation
NG
Replace Battery
NG
Replace Remote
Control
Replace IR
NG
Board or IR
cable
Button Failure
Check
Top cover's cable
OK
Check
Button
OK
Check
Keypad
OK
Replace
Main Board
Confidential - Do Not Copy
27
Replace cable
NG
or connect the
cable back
NG
Replace Button
NG
Replace Keypad
PJ402D-2