Sharp XR-1X Serviceanleitung Seite 45

S-VIDEO (INPUT 2)
check
Send S-VIDEO signal from
INPUT 2. Use buttons on
the main unit or the remote
control to select INPUT 2.
Is image displayed
normally?
Is image displayed in black
and white?
Is S-VIDEO signal (Y) sent
to R3356?
Is 1.9 V applied to
TL3303?
Is 3.3 V applied to
TL1734?
Is 1.5 V applied to
TL1773?
Check IC3301 and
peripheral circuits.
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YES
NO
Check S-VIDEO terminal
YES
and peripheral circuits of
Q3361.
NO
Check S-VIDEO terminal
NO
and peripheral circuits of
Q3351.
YES
Check VIDEO terminal and
peripheral circuits of
Q3301.
NO
Check IC3302, IC3301 and
peripheral circuits.
YES
NO
Check IC1734 and
peripheral circuits.
YES
NO
Check IC1773 and
peripheral circuits.
YES
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VIDEO (INPUT 3) check
Send VIDEO signal from
INPUT 3. Use buttons on
the main unit or the remote
control to select INPUT 3.
End
YES
Is image displayed
End
normally?
NO
Is VIDEO signal sent to
C3308?
45
XR-1X
NO