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