Read Sharp XG-NV51XE (serv.man11) Service Manual online
36
XG-NV51XE/XM/XA
TROUBLE SHOOTING TABLE
(Continued)
No audio output
Yes
No
Check the input, the switching circuit
of IC3303 and IC3304, and their
peripheral circuit, SC3001, SC1502
and etc.
of IC3303 and IC3304, and their
peripheral circuit, SC3001, SC1502
and etc.
Are there audio signal inputs at pin
(2) of IC1411?
(2) of IC1411?
Yes
No
Check the IC1411 control voltage,
and its peripheral circuits.
and its peripheral circuits.
Are there audio signal outputs at pin
(2) of P5508?
(2) of P5508?
Yes
No
Check IC7301 and its peripheral
circuits.
circuits.
Are there audio signal outputs at pin
(6) of IC7301?
(6) of IC7301?
Check IC7301 and its peripheral
circuits, SP connectors and
speakers.
circuits, SP connectors and
speakers.
If the voltage at pin (2) of IC7301 is
not as specified, check Q5501,
Q5502 and their peripheral circuits.
not as specified, check Q5501,
Q5502 and their peripheral circuits.
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