No Audio Output - Philips BDP3200/51 Service Manual

No audio output

No audio output
Check whether the audio
signal
U1 ' s pin 8, 9
Check whether bad solder
exists on pins of J7
Replace the J7
Go
is right from the
Yes
No
5-2
Check the U1 power supply
No
(U1.1= +3.3V and U1.11= +5V)
Replace the U1
Yes
Correct connection
Trouble shooting chart
Yes