NO
YES
No TV, video and component picture
Is input at pins (124),
(133) and (139) of
IC10004 normal?
Check CN10006 and
its peripheral circuits.
NO
YES
Are TL10207, TL10208
and TL10211 normal?
Check CN10006 and its
peripheral circuits.
NO
YES
Is digital output section of
IC10004 normal?
Check IC10004 and
its peripheral circuits.
NO
YES
Is digital output section
of IC10310 normal?
Check IC10310 and its
peripheral circuits.
NO
YES
Is digital output of
IC10025 normal?
Check IC10025 and
its peripheral circuits.
No PC picture
YES
Is signal at pins (21), (22), (24), (25), (27), (28), (30) and (31)
of IC10413? (The signal is of high frequency (a little less
than 1GHz). Pay due attention to it during observation.)
Connecting cable or
monitor is problem.
NO
Check PC I/F Unit.
No MAIN picture on single screen and dual screen.
No SUB picture on dual screen
NO
YES
Is input at pins (126),
(136) and (141) of
IC10004 normal?
Check CN10008 and
its peripheral circuits.
NO
YES
Is digital output section
of IC10004 normal?
Check IC10004 and
its peripheral circuits.
NO
YES
Is digital output of
IC10025 normal?
Check IC10025 and its
peripheral circuits.
No image (8)