Read Sharp XV-Z3100 (serv.man5) Service Manual online
XV-Z3100U/XV-Z3100/XV-Z3300/DT-510
5 – 2
YES
NO
Is 6 V applied to TL1731
and 13 V to TL1734?
and 13 V to TL1734?
Is approx. 6 V applied to
TL1710?
TL1710?
YES
Is 1.5 V applied to
TL1703?
TL1703?
Go to "Power supply
ballast PWB check".
ballast PWB check".
NO
Check IC1713 and
peripheral circuits.
peripheral circuits.
NO
Check IC1701 and
peripheral circuits.
peripheral circuits.
YES
Is 3.3 V applied to
TL1704?
TL1704?
NO
Check IC1702 and
peripheral circuits.
peripheral circuits.
Is 2.5 V applied to
TL1706?
TL1706?
NO
Check IC1703 and
peripheral circuits.
peripheral circuits.
YES
Is 1.5 V applied to
TL1705?
TL1705?
NO
Check IC1704 and
peripheral circuits.
peripheral circuits.
YES
Is 5 V applied to TL1708?
NO
Check IC1711 and
peripheral circuits.
peripheral circuits.
YES
Is 3.3 V applied to
TL1707?
TL1707?
NO
Check IC1705 and
peripheral circuits.
peripheral circuits.
YES
Is 12 V applied to
TL1709?
TL1709?
NO
Check IC1712 and
peripheral circuits.
peripheral circuits.
YES
Main PWB check
YES
Is 3.3 V applied to pin(1)
of IC1714?
of IC1714?
NO
Check IC1714 and
peripheral circuits.
peripheral circuits.
YES
Is 3.18 V applied to pin(1)
of IC2204?
of IC2204?
NO
Check IC2204, 2207, 2208
and peripheral circuits.
and peripheral circuits.
YES
Is 3.3 V applied to pin(1)
of S2001?
of S2001?
NO
Check that it is set to the N
side. Or remove S2001.
side. Or remove S2001.
YES
Are rectangular waves of
50 MHz and 48 MHz
supplied to pins (8) and (7)
of IC2206 respectively?
50 MHz and 48 MHz
supplied to pins (8) and (7)
of IC2206 respectively?
NO
YES
Check IC2001, IC2002,
IC2202, IC2203 and
peripheral circuits.
IC2202, IC2203 and
peripheral circuits.
Check IC2206 and
peripheral circuits.
peripheral circuits.
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