Philips HTB3560/12 Service Manual page 25

No audio output
No audio output
Check voltage
HTB3560/78) for whether normal or not at
on Amplifier Board
Yes
Check the 24Pin FFC connection XP13 on
Main Board and XP701 on Amplifier Board
whether right or not between Main Board
and Amplifier Board
Check the control signal whether right or
not at the U8 Pin6, Pin7 on Main Board
and the signal at the XP13 Pin5 Pin7
Pin3
Yes
Replace Amplifier Board
Go
+35.5V (35.5V for
Yes
5-4
Check XP13 Pin 14&16 3.3V on Main
No Board whether normal or not
Refer to XP501 on
Power Board
No
Trouble shooting Chart
Yes
No
Replace U8 on Main Board or
replace Main Board