Question about Philips 50P8341 50" Rear Projection Television

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Board repair Hello does any one know of any shops that i can send my cir boards out of a philips[model 50P8341]to have rebuilt.Every repair shop i call about tv shutting off say that the boards would have to go out for repair.

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Hello sportylakey,

I would suggest first that you have a technician come over and troubleshoot your problem to determine which stage of the TV is malfunctioning. Then If you want you can have the technician repair the problem or swap out the board. This believe it or not is the cheaper option. I know that today a lot of people think that board swapping is the best thing, but in reality it's just a time consuming object lesson in futility, because you never know if you have fixed the problem or just bought more time. In any event try the option above, and if that is not to your liking try to send the boards to Contact them to discuss your options on sending them the boards.

I hope this helps,

Thank you,


Posted on Dec 09, 2008

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Philips 50P8341 50 in. No picture,no sound and chirping noise. What could this be? Thanks.

Problem is on the middle (main/deflection) board. The chirping is a sign of shutdown, a short usually there. It can be a transistor or capacitor but someone with knowledge needs to get at the board and test things for a short.

Let me know if I can help--this is not a set for a novice to work on; rather difficult to into service position--do not attempt to remove center board--there is a better way.

In the shop I work for several techs refuse to work on these sets and I as a result have worked on a lot of them. I am a hired gun for them on certain sets.

Let me know if you have questions and if I told you something you did not know please rate this solution as very helpful as I do this here for free.


Sep 26, 2010 | Philips 50P8341 50" Rear Projection...

1 Answer

Hello a ligtening strike near my house burned out the audio video input board at the back of my set. a repair man came and said the part is no longer available but he could send it to an electronics place...

It's hard to find new parts for older sets like that one. It is very common to have to get boards rebuilt in older sets. Being the a/v board, I would feel pretty safe using a rebuilt board as long as lightning doesn't hit again. There isn't much that will cause one to fail other than lightning. A lot of shops will give you an estimate to replace the set, that you will then give to your insurance company if it's going to be that expensive.

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If the convergence will not adjust in the customer menu you have a bad convergence IC---this set uses two (50P8341) STK-392-110 IC'S----BOTH, along with any bad resistors around them need to be replaced and the set adjusted with the original remote that came with this set----Most of the Philips do not use the 392-110 chips----this set if made around 2000 may be a Hitachi inside---they made sets for 1 year for Philips.

If you can do the repair yourself you can save a lot of money----you can buy a pair of the chips for about 12 dollars plus shipping on Ebay.

If you cannot do the repair--shop around your area as most shops charge 300-400 for this repair. Whoever you get to do it make sure BOTH chips are replaced!

If a shop says it has to go to the shop--keep looking as any good tech can do this repair in about 1 hour in your home------I have done hundreds of these repairs and charge 200-250 total depending on the set.

If you have any questions or need advice reply to this posting here and I will assist you---I am here to help people.


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1 Answer

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