YES
NO
Check IC3102, IC3106 and
their peripheral circuits.
Check IC3104 and its
peripheral circuits.
Check IC3102 and its
peripheral circuits.
NO
NO
Check IC6004 and its
peripheral circuits.
NO
Check IC8001 and its
peripheral circuits.
NO
Checking the Component
Send component signals to
INPUT1 or INPUT2. Use keys
on the main unit or remote
control to select INPUT1 or
INPUT2.
Is video signal inputted into
pins (3) to (5) of IC3102 at the
time of INPUT1 selection, and
is inputted into pins (15) to
(17), respectively at the time of
INPUT2 selection?
Are video signals inputted to
pins (1), (3) and (5) of
IC3104?
YES
Are video signals inputted to
pins (43), (48) and (54) of
IC6004?
YES
Are video signals outputted
from pins (2)-(9), (12)-(19)
and (70)-(77) of IC6004?
YES
Is signal outputted to each
even number pin of pins (21)-
(54) and (66)-(94) of SC2001?
YES
Check Formatter unit again.
YES
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