Sharp XV-Z9000U Service Manual page 36

XV-Z9000U/E
Checking the video input
Make sure the input signal
setting is as specified.
YES
Is there the video signal at
the land of C8077?
YES
Check the sync signal.
YES
IC8025 or IC8004
defective.
Checking the input signal
setting
Is the input signal setting
as specified?
YES
Is the connector properly
connected?
YES
End
NO
Input PWB defective.
NO
Select the specified signal.
2
NO
Reconnect the connector.
1
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