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 Posted by Ice Blink on 11/10/79 11:26 
This is the equipment I have: 
Onkyo TX-SR601 receiver 
Onkyo DV-CP701 6 carusel changer 
JVC tape player 
Polk Audio 6700 5 satellite speakers 
Polk PSW202 powered subwoofer 
2 zone 2 speakers in another room 
LiteOn DVD all write recorder model 5005. 
Sony 55" TV. 
 
I had a LiteOn connected to this system for 1 year and had no problem 
and did not update the firmware. 
 
Two months ago bought a new LiteON 5005 manufactured June 2005. As soon 
as I hooked up the LiteOn, and the electric went to it nothing happened. 
When I go to record, the subwoofer hums and I get a slight hiss in the 
background. 
 
When I go to playback the hum is still there if I have the subwoofer on. 
 
I called LiteOn and they had not heard of the problem but since I just 
got it from Circuit City to return it for another one.  
 
The second one, same hum, so I returned that one.  
 
I connected the original one again and it works perfectly. 
 
I really wanted the same brand so I ordered another one from QVC. I get 
the same subwoofer hum and same slight background hiss. If I disconnect 
the subwoofer the sound is fine but on playback I still have the slight 
hiss and without the subwoofer, not enough bass. 
 
I recorded from another TV without a seperate surround system and it 
recorded perfectly. 
 
Anyone have an idea what is causing the hum in the subwoofer?  
 
I am not really inclined electronically, and don't unterstand the terms, 
but I followed the manufactures instructions and I did hook the entire 
system up and it worked perfectly the first time, until the latest 
LiteOns. 
 
Thanks  
Don
 
  
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