Philips HTS3530 Service Manual page 38

No audio output
No audio output
Check voltage +34V whether normal or not
at XP703 on Amplifier Board
Yes
Check the 22pin FFC connection on Main
Board and XP702 on Amplifier Board
whether right or not between Main Board
and Amplifier Board
Yes
Check the control signal whether right or
1.
not at the
U24'15,16,33, on Main Board and the
signal at the XP11'10,11,15pin
Check the audio signal whether right at the
2.
U11'211,213,214,223,225,226, and the signal at
the XP11'1,2,3,4,5,8pin
Yes
Replace Amplifier Board
Go
5-3
Check XP1 pin 7 3.3V on Main
No Board whether normal or not
Yes
Change Power
Board
No
Replace U24 on
replace
Trouble shooting Chart
No
Main Board
Main Board
,or