Sharp TU-45GAD, Service Manual

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41
TU-GD10U-T
TU-45GAD/T
LC-45GX6U/D/T
TROUBLE SHOOTING TABLE
(Continued)
No sound of digital broadcasting comes out.
Is data output to pin (2) of P8801?
Check the cable connection, P5702 of
AV PWB, IC2707 of AV-SUB PWB
and their peripheral circuits.
Check IC8804, IC8101 and their
peripheral circuits.
Is the audio signal
(LOUT_SUB/ROUT_SUB) output
from pins (7) and (9) of P8901?
Check the cable connection , IC8801
and its peripheral circuits.
Is the audio signal (AOUT L/AOUT R)
output from pins (19) and (18) of
IC8801?
Check IC8803, IC8802, Q8804,
Q8803 and their peripheral circuits.
Check IC8801, IC8101 and their
peripheral circuits.
Does the optical digital output come
out?
YES YES
YES
YES
NO
NO
NO
NO