NO
YES
NO
NO
NO
YES
NO
NO
YES
NO
NO
NO
Checking the S-video
system
Is the specified voltage EA
connectors?
Check power circuit and its
parts.
Is the lamp on ?
Go to "Lamp light-up".
YES
Is the video signal inputted
into the pin(43), (44) of
IC3105?
Check the video terminal
and its peripheral circuits.
YES
Go to "Checking IC3102"
Checking the video
system
Is the specified voltage EA
connectors?
Check power circuit and its
parts.
Is the lamp on ?
Go to "Lamp light-up".
YES
Is the video signal inputted
into the pin(7) of IC3506?
Check the video terminal
and its peripheral circuits.
YES
Check IC3105 and its
prepheral circuits.
Check IC1103, and its
peripheral circuits.
Is the signal inputted into
the pin(39), (41) of
IC3105?
Check Q3501, Q3502 and
their peripheral circuits.
YES
Is the video signal
outputted from the pin
pin(25), (27) of IC3506?
Check IC3506 and its
peripheral circuits.
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