surround and central speakers not working

riro_rozario

Honorable
Jan 27, 2014
2
0
10,510
hi,
i bought a philips HTB3510 home theatre but when i connect it to my i phone, tivo box or any other devices only front two speakers and subwoof working , surrounding speakers or rare speakers and central speakers are not working. i tried so many ways its still same. can you please help me out with it.
thanks