Philips DVP6600 Service Manual page 20

Distorted audio and loud noise
Distorted audio and
loud noise
Yes
Check the power supply voltages
+12V and -12V to the operation
amplifying Q7 andQ8 are normal.
Yes
Check whether
muting transistor Q31
andD23 are normal
Yes
Check whether
muting
Q26~Q30 are normal
Yes
Checking the U10 leads
the feet has no to break to
open
Yes
if the clock
89_AL, 89_AR output by
U2 are normal
Yes
Check whether the U2 or
U10powersupply normal
Yes
Replace U2 or U10
No
the
No
the
No
transistor
signal
No
4-7
Check Q7and Q8
Replace and
Q31
Replace Q26,Q30
No
Correct connection
No
Replace U10
SACLK waveform
Check U10
Trouble shooting chart
D23
SBCLK waveform SSLRCK waveform