ViewSonic PJ402D-2 Service Manual page 28

Fail to light up
Check
LED indication
OK
Check
Lamp
OK
Check
Fan
OK
Check
C/W wire loose or
not
OK
Check
Ballast
OK
Check
Main Board
ViewSonic Corporation
Look up user
NG
manual ,and
follow indica-
ted action
NG
Replace Lamp
NG
Replace Fan
NG
Connect C/W
cable completely
NG
Replace
Ballast
NG
Replace Main
Board
OK
Check
Optical Engine
Confidential - Do Not Copy
25
NG
Replace Optical
Engine
PJ402D-2