Sharp XG-V10WE Service Manual page 59

TROUBLE SHOOTING TABLE FOR PC I/F UNIT-13
Checking the DVI_SOG
Is there horizontal sync signal
at TL82?
No
Is there Green signal at pin
(135) of IC4?
Yes
IC4 or IIC bus control
peripherals defective.
Is there sync signal at TL136?
No
Are pins (4) of IC23 and IC336
at low level?
Yes
IC23 or IC336 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 (IC23).
Yes
No
DVI connector or its
peripherals defective.
Yes
No
CPU port defective.
59
XG-V10WE
AN-SD1E/S422E
No problem with the DVI_SOG.