Read Sharp XV-Z3100 (serv.man5) Service Manual online
XV-Z3100U/XV-Z3100/XV-Z3300/DT-510
5 – 8
YES
End
YES
Check Q4003, Q4004,
Q4005 and the peripheral
circuits.
Q4005 and the peripheral
circuits.
NO
Check IC1705 and
peripheral circuits.
peripheral circuits.
NO
Check IC1702 and
peripheral circuits.
peripheral circuits.
NO
Check Q3002 and
peripheral circuits.
peripheral circuits.
NO
RGB signal check
Send RGB signal from
INPUT 5.
Select INPUT 5 using keys
on the main unit or the
remote control.
INPUT 5.
Select INPUT 5 using keys
on the main unit or the
remote control.
Is image displayed
normally?
normally?
Are picture signals sent to
TL3001, TL3002 and
TL3003?
TL3001, TL3002 and
TL3003?
NO
YES
Is 3.3V applied to TL1707?
Is 3.5V applied to TL1704?
YES
Check IC3001 and
peripheral circuits.
peripheral circuits.
YES
Is 3.3V applied to pin(5) of
Q3002?
Q3002?
YES
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