Philips HTS3532BL/94 Service Manual page 29

Remote control does not work
Remote
does not work
Go
Check battery of remote control whether
exhausted or not.
No
Check power supply of IR601 on Front
Control Board whether normal or not
HTS3531:XP2 PIN9 3.3V
Yes
Replace IR601
5-3
control
Yes
Replace the battery for remote
control
No
Check the +3.3V net on Front
Control Board HTS3531:XP2
Trouble shooting Chart