Question about Samsung PCH521R 52" Rear Projection Television

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My samsung projection television model pch521r wont stay on

When i turn the tv on it comes on fine but only stays on for about 5 minutes and turns itself off and it wont come back on unless i unplug and plug it back in and it only stays on for about 5 minutes at a time

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  • glenm May 11, 2010

    I can turn my tv off for 5 to 10 minutes and it will work for up to 1/2 hour to 1 hour. Then it will shut down again until I let it cool off again. It is getting progressively worse.

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When the set does come on do you notice any thing odd in the picture or sound of the set.

Posted on Sep 07, 2007

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1 Answer

Samsung 42 rear projection Green light is on once tv on/off is pushed. turning on useing remote on channel button the red light appears and stays on.we have unpluged power and tried differance start up...


you need to general service the whole unit. this will include re-soldering and changing some defective components from the board, which has been damaged through using from past years. my advice is to have a quotation from service tech and then think about repairing it..if it is better to buy a new one..

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I found a this SITE that carries that convergence assembly for your TV.
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It sounds like your rptv lamp is going out. If this is an older DLP this is most likely the cause. You can get a replacement at www.laptopsforless.com part number BP96-00224J for $151. If the tv is still under warranty, I would have them do it, otherwise replace it yourself. If so here is a link to give you step by step instruction. Please give me a good rating. ;-)

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Oct 04, 2007 | Samsung PCH521R 52" Rear Projection...

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Check for CRT coolant leak on PCB's.If minor, clean up spill--try again--see what you have.

Sep 21, 2007 | Samsung PCH521R 52" Rear Projection...

3 Answers

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Check for CRT coolant leak on PCB.Clean spill, try again to verify.

Aug 19, 2007 | Samsung PCH521R 52" Rear Projection...

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