Service manual

48
PG-M20S
PG-M20X
Checking of DVI Digital Input
Select INPUT 1 for input.
Feed the DVI digital signal to
INPUT 1.
Is there any disturbance in the
picture?
Is the color normal?
Is the picture appear?
Yes
No
Yes
Yes
No
No
IC8298 and its periphery are
defective.
No
IC8298 and its periphery are
defective.
The DVI digital input is normal.
Check pin (13) of IC8363 for vertical
sync signal, and check pin (3) of
IC8363 for horizontal sync signal.
Check R8685 for clock signal.
Is the clock signal normal?
Are the sync signals normal?
Yes
Yes
IC8025 and its periphery are
defective.
No
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