Sharp 29V-FT450S - Page 28

29V-FT450S/29V-FT95S
28
NO NORMAL SOUND
Set volume to maximum. Is there
any sound output signal at pin 11 &
9 of IC301 ?
Check output
signal at pin 68,
69 of IC2100 and
its related circuit.
No sound from the
speaker.
No sound
comes out at
AV-out J905.
Check if there is
sound input signal
atpin2&4of
IC301.
NO
YES
Check connection
to the speaker.
NO
Check sound output
signal from pin 92 &
93 of IC2100 and its
related circuit.