Philips DVP3560K, Service Manual, Page: 19 / 41

5-7
Distorted audio and loud noise
No
Yes
No
Yes
Yes
No
No
Distorted audio and
loud noise
Replace
R167
ˈ
R152
Check Q3
Replace Q48,Q50,
Check whether the muting
transistor R167
ˈ
R152 are
normal
Yes
Check whether the muting
transistor Q48,Q50, are
normal
Checking the U12 leads
the feet has no to break to
open
Correct connection
Replace R76, CE38, C152
Check the voltage on
pin3 or pin5 of U12 is OK
(Should be 2.5~3.1V)
Check whether the U1 or
U12 powersupply normal
No
Yes
Check the power supply
vo12V to the
operation amplifying Q3 is
normal.
Yes
Check U12
Replace U20
No
Yes
Trouble shooting chart