ViewSonic PJD5112 Service Manual page 33

Fail to light up
Check LED
indication
OK
Check
Lamp life
OK
Check PWR 380V
output
OK
Check Ballast
OK
Check
Main board
OK
Check CW
Rotation while
power on
ViewSonic Corporation
Refer to LED
NG
indicator and follow
indicative actions
Replace
NG
Lamp Module
Replace
NG
Power board
Replace
NG
Ballast
Replace
NG
Main board
Replace
NG
CW module
No Volume
Check
Speaker
OK
Check
Main board
30
Confidential - Do Not Copy
Replace
NG
Speaker
Replace
NG
Main board
PJD5112