Read Sharp XG-XV2E (serv.man2) Service Manual online
46
XG-XV2E/M/A
TROUBLE SHOOTING TABLE
(Continued)
No audio output
Yes
No
Check the input, the switching circuit
of IC6001 and IC6002, and their
peripheral circuits.
of IC6001 and IC6002, and their
peripheral circuits.
Are there audio signal outputs at pins
(5) and (27) of SC6001?
(5) and (27) of SC6001?
Yes
No
Check the amplifier of IC301 and
IC302 and their peripheral circuits,
the IC303 control voltage, the P1501
connectors, etc.
IC302 and their peripheral circuits,
the IC303 control voltage, the P1501
connectors, etc.
Are there audio signal outputs at pins
(1) and (2) of P1403?
(1) and (2) of P1403?
Yes
No
Check IC7301 and its peripheral
circuits.
circuits.
Are there audio signal outputs at pins
(4) and (6) of IC7301?
(4) and (6) of IC7301?
If the voltage at pin (7) of IC7301 is
not as specified, check Q5501,
Q5502 and their peripheral circuits.
not as specified, check Q5501,
Q5502 and their peripheral circuits.
Check IC7301 and its peripheral
circuits, and the SP connectors and
speakers.
circuits, and the SP connectors and
speakers.
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