BenQ DLP PROJECTOR PE8700 - Manual (Page 40)

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9. Trouble Shooting Guide
1. System trouble shooting :
y
y
y
y
y
Is LED light when
Main Power Switch
on?
Check door luck
switch
1.Check +3Vs, +5Vs
2. Check power
Is Orange LED
active when remote
power on?
Are fans spinning?
Check fans, wire and
Translation board
Is lamp turned on?
Check DMD board
Check ballast
Check lamp
Does starting OSD
shows normally?
Does any stripe
shows on screen?
Check DMD board
Check DMD
socket
Does DVI-I signal
shows normally?
Check Main board, DMD
board
Check Connector
board and FPC
board
Does Video signal
shows normally?
Check Main board ,
FPC and Connector
board
y
n
n
n
n
n
n n
n
n