Question about Philips 55P8241 55" Rear Projection Television

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Sound cuts out

After about 2 hours the sound starts to cut in and out and then it turns completely off i have to turn the tv off for several hours before it will work again.

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Re: sound cuts out

Replace the Ssb (Small Signal Board) Philips p/n#313912725871 common problem.. The surface eletrolytic caps go bad and after awhile heat sends their equivilent series resistance too high and the sound fades or drops out... It's about a $250.00 dollar board plus core and your alternative would be to pull it and send it in to PTS electronics for a rebuild. Sorry for the bad news. Please don't kill the messenger, I simply work on them... Bill

Posted on Jul 02, 2007

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I have a philips 27ps50 b321. i can turn the tv on with my channel button. i will also loose the sound in it. it is intermittent sound. i will unplug it or cut it off and the sound will leave out. at first...


Thanks for using FixYa. You’ll need to reset the Projection TV and to reset it follow these steps—

1. Turn off the television and wait for 5 minutes.

2. After 5 minutes unplug the television power cord from the electrical outlet.

3. Let the television remain without power for more then 1 minute.

4. Plug the power cord back into the electrical outlet. If the television is plugged into a power surge protector, remove it from there and plug it directly into the wall outlet. Turn on the television. If the issue is resolved, then the problem is with the power surge protector and not the television.

If the issue is not resolved then this might have happened due to over-voltage. Please check the power supply unit for swollen/bulged capacitors and burnt wires/components on the power supply board of your TV. You should try and turn off the TV for 8-10 hours to reset it. Please make sure to turn off and unplug the TV for at least 1 hour (this will drain off current from all components especially capacitors) before you perform any repairs. Also note that the TV consists of very high voltages even when it is in OFF condition. All this is only recommended if you have electrical expertise and know how to solder/re-solder components.

Please do accept the solution if the issue is resolved or else revert for further assistance.



Jan 19, 2010 | Projection Televisions

1 Answer

, power cuts off ,

the power cable is broke, but not completely thats why come in and out ...

Dec 13, 2009 | RCA HD52W56 52" Rear Projection HDTV

1 Answer

No picture at all,sound ok 3 tube crts off after 4secs when on

might be a crooked flyback transformer, first check for shorted transistors around the transformer and components at the horizontal output stage..

Mar 31, 2009 | Philips Projection Televisions

1 Answer


My mitsubishi 65in projector model # ws65807Just started shutting off it only stays on for few seconds and cuts off. I cant get it to stay on

Jul 31, 2008 | Mitsubishi WS-65807 65" Rear Projection...

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Does not work

sounds like the flyback is out. Thats a common issue with that Model. You can get a replacement flyback at the following link.

Jun 06, 2008 | RCA HD52W56 52" Rear Projection HDTV

1 Answer

TV keeps turning off

You must Check Lopt Line output Transformer , Sounds it getting hot , then trip. If you are not a tv tech take it to one because there is heave high voltage there.

Jun 02, 2008 | Philips Magnavox 9P6034C 60" Rear...

5 Answers

No picture but has sound

switch on no picture but short period of sound then nothing

Jan 20, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Tv sound works sometime and not other times

On some of these Hitachis they have a surround sound option, there is an additional board in there that goes bad and needs to be repaired. suggest a repairman or service center.

Jul 05, 2007 | Hitachi 43UWX10B 43" Rear Projection...

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