Question about Philips 55PP9401 55" Rear Projection Television

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Flashing red light (think its the power light)

I can hear a high pitch churp comming from the back...Please help

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Goto www.TvRepairKits.com and get their chirping TV repair kit.

Posted on Mar 15, 2009

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I have a Samsung HL-R5677W TV set and now there is no picture at all. Every time you power on the TV the green light flashes and you hear this sound that repeats itself. It sounds like a camera flash, low...


I have a few questions which will determine what your problem may be.

Did or does the set make a high pitched fan like sound or a high pitched whine?

What have you examined so far?

As far as a lamp it is unlikely it will cause such a sound but if you remove it look to see it is intact and not shattered.

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hello there's a couple of things that could be wrong .the high pitch noise could be the convegance chip shorted out these are 2 big black chips connected to a metal frame called a heatsink the other could be the lamp burn't out

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The colorwheel is your problem. To confirm this, unplug the tv, then listen thru the air vents in the back as you plug the tv in. You will probably hear a ticking sound. If you do, that is the colrwheel. If the colrwheel is working, youwill be able to hear it "spin up". It will be a sudden high pitch whine. Let me know if I can be of further assistance

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I would check the set for bad connections. The high pitched sound you are hearing is the high voltage section. If the convergence IC has completely failed, that can cause this as well. Try using STK392-150 or STK392-180. Either one will sub since they are pin compatible and they both can handle more power, thus should last longer. Also, make sure that you use plenty of the heatsink compound when mounting these.
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