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TROUBLE SHOOTING TABLE FOR PC I/F UNIT-13
Checking the DVI_SOG
Is there horizontal sync signal
at TL8082?
No
Is there Green signal at pin
(135) of IC8004?
Yes
IC8004 or IIC bus control
peripherals defective.
Is there sync signal at TL8136?
No
Are pins (4) of IC8023 and
IC8336 at low level?
Yes
IC8023 or IC8336 defective.
» The SOG component of the DVI analog signal is separated
in the CXA3516R circuit. The Green signal is fed to the
SOGIN2 terminal. The DVI SOG sync signal is selected
by the bus switch (IC8023).
Yes
No
DVI connector or its
peripherals defective.
Yes
No
CPU port defective.
59
XG-V10XE
No problem with the DVI_SOG.
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