Service manual

TROUBLE SHOOTING TABLE
1 XG-XVlE/A
(Continued)
Checking the PWB performance
I
Video input in trouble
1
RGB input in trouble
1
I
’
Through-output in trouble
Remote control in trouble
t Go to “Checking the video unit ’
Feed test pattern signal from
f circuit”.
PC.
i Go to “Checking the through- 1 I
output circuit”.
Go to “Checking the remote f
control circuit”.
I___--- ------- 1
I-------,-----II-------------l
Is specified cable connected
‘No
between PC and projector?
Yes
r--_---------w
I
I
I
Use specified cable.
I
I---,---------I
No
Is supply voltage as specified? -
Yes
r------‘------q
I
I
, Power circuit in trouble. I
v
I-------------I
No
Does image appear?
r-__---_-----_
t Check the connectors, starting t
from the PC unit input circuit. t
---,---,----.-I
t
t
Go to “Checking the clock
circuit and its peripheral
f
I
circuits”.
I
L---------e--
-l
41