Sharp 29F-PE550 - Page 36

29F-PE550 / 29F-PD570
4 - 3
NO NORMAL SOUND
Set volume to maximum. Is there
any sound output signal at pin 8 &
12 of IC301?
Check output
signal at pin 25,
26 of IC1100 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.
Check sound output
signal from pin 23 &
24 of IC1100 and its
related circuit.
NO