XG-V10XE (serv.man9). Page 20-59 - Sharp Projector Service Manual (repair manual). Page 39

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58
XG-V10XE
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-12
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Checking the DVI analog input
3
With the plug & play fashion 
established, feed the DVI 
analog signal to INPUT3.
Select the INPUT3 input.
Does image appear onscreen?
DVI connector or its 
peripherals defective.
CVIC_IC or IC8004 peripherals 
defective.
IC8302 or its peripherals 
defective.
Check the DVI_SOG circuit.
Sync separation circuit IC8330 
or IC8331 (TL712CPW) or its 
peripherals defective.
Are there R, G and B signals?
(Check to see if the R, G and B 
signals are coming to pins 
(126), (136) and (141) of 
IC8004.)
Is the image free of distortion?
Is the sync signal of separate 
type?
Are there horizontal and 
vertical sync signals at TL8130 
and TL8131?
Is the sync signal as specified?
(Check pin (6) of IC8330 for 
the vertical sync signal and pin 
(6) of IC8331 for the horizontal 
sync signal.)
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