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Phillips # 50p8341 comes on everyonce in awhile. Sometimes it wont come on and the power light will start to blink

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Hello! Your set needs the board that has the microprocessor on it. It is called the "process pcb" and is located on the left side as you look into the back of your unit {with the back cover off, of course!). It stands straight up and is plugged into the signal (or "tuner"pcb). They cost about $100 and are available from tritronicsinc.com. All you have to do is unplug the board from the connector by pulling it straight up. Then you just plug the new board in. Make sure it seats properly. The board is approximately 4" by 4" square. VERY easy repair...you can do it and save BIG $. Just make sure you do it when the ac is unplugged!!! Good luck!!!

barneyluc

Posted on Oct 10, 2008

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My phillips 50 in. tv will not always turn on sometimes it will sometimes it wont can u tell me what it could be


fishindad85,

More than likely you have bad electrolytic capacitors in the power supply. I have a tip at http://www.fixya.com/support/r6396176-projection_tv_troubleshooting which should help you isolate the problem as well as tell you where to get the parts. I also have a tip at http://www.fixya.com/support/r9091471-soldering_101 which will help with any soldering issues and I also have a tip at http://www.fixya.com/support/r6981868-replace_circuit_board_in_modern_tvs which will help with replacing any boards that are bad.

Thanks for using FixYa and for the great rating.

hardrocko

May 04, 2011 | Philips 50P8341 50" Rear Projection...

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Power light always on but no pic


Make sure it is off when you unplug it, do not use for at least a few days then.try again. It worked for mine.

Jun 20, 2009 | Philips 50P8341 50" Rear Projection...

1 Answer

I HAVE A PHILLIPS MODEL 50P8341 REAR PROJECTION TV THAT COMES ON ,THE RED POWER LIGHT BLINKS FOR A SECOND AND THEN CUTS ITSELF OFF


Try the power supply. Look on the one in your TV for the part number ; mine is PH3501705441. I ordered one from partstore.com and it was less than $60 shipped. Hope this helps, mine works fine now........and I have a 50P8342 chassis PTV 916

Dec 10, 2008 | Philips 50P8341 50" Rear Projection...

1 Answer

Phillips magnovax 50p8341


sounds like the LSB ( large signal board) as that has all the various power supplies on it. You can get a replacement board at the following link.
http://servicemanuals.vstore.ca/

Aug 04, 2008 | Philips 50P8341 50" Rear Projection...

1 Answer

My phillips model # 50P8341 periodically shuts off on its own. When I turn it back on it plays for a little while then shuts off again.


the set is going into shutdown mode. does the power indicator blink when it shuts down. If so how n=many blinks does it blink?

Apr 28, 2008 | Televison & Video

1 Answer

50P8341 red bows


Convergence ICs or the resistors powering them are bad. Check for open resistors near the ICs if any are open, change both ICs and the resistors.

Feb 10, 2008 | Philips 50P8341 50" Rear Projection...

1 Answer

Rear projection


Considering that in both cases, the set will turn on but not stay on, indicates either a condition of overheating due to a failed fan or it could be a component going into thermal runaway in the power supply itself that is causing the fault.

This is not a safe area to probe around in since there are capacitors that may contain a charge for a fairly long time.

If the fan cannot be heard, this is probably a cheap repair, otherwise, get an estimate first.

Jan 11, 2008 | Philips 50P8341 50" Rear Projection...

1 Answer

62inch phillips bigscreen tv


how many times does the power light blink, that can be an error code indicating whats causeing the set to not start. Let me know how many blinks its blinking and also let me know your model number.

Dec 07, 2007 | Toshiba 43H70 43" Rear Projection...

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