Philips DVP3111, Service Manual, Page: 13 / 35

Distorted audio and loud noise
Yes
No
Yes
Yes
No
Distorted audio and
loud noise
Replace L2
Replace Q12, Q14
Check he power supply
vo12V
to the operation amplifying
L2 are normal
Check whether the
muting transistors Q12,
Q14, are normal
Checking the U2 leads
the feet has no to break
to open
Correct connection
Check whether the U5
or U2 power supply
normal
No
Yes
Yes
Check U2, U5
Replace U2, U5
No
Trouble shooting chart
No
5-5