Philips HTS3541/05 Service Manual page 35

Karaoke in does not work
Karaoke in does
not work
Go
Check signal at XS605 PIN5:MIC signal
on front board whether normal or not
Yes
Check Main
PIN5,PIN14 L/R signal input whether right
or not
Yes
Check U33 74HC4052 whether broken.
Or not
Yes
Replace U22 CS8422
Board U33 74HC4052
5-11
No
Refer to Main Board XP604
No
Check the cable between XP604 and XS605
No
Check Main Board U4
Trouble shooting Chart