Question about Philips 42PFP5332D 42 in. Plasma Television

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TV is trying to turn on by itself

Purchased the set in November 2007, connected to direct tv, for a while i kept hearing this clicking noise coming from the set, as if it was trying to turn itself on, at first it would do it at 5am on the dot, doesn't do it anymore, now it happens about 11pm and i believe i caught it at 3am, the screen is black and the blue power light is off, what i do notice is that it is lit in the back( seen the reflection on the living room wall, checked the auto clock and it's on manual. any idea's why this is happening, also the set is plug on power surge as well as the cable box, dvd and vcr. thanks

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Last time i saw this problem...tried doing a firmware upgrade to update software...did not work....replacing power supply fixed uinit up...get p/n from power supply board...try ordering board from andrews electronics in california or send board to PTS electronics for repair/board swap...Be careful...power supply can give you a shock even after its been off for can discharge large caps by bridging a 10k ohm resistor across them making sure not to touch anything..JOE ACE

Posted on Jun 13, 2008

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Panasonic 50 inch plasma

You should call for warranty service. If the set is very new try to get it exchanged.

There are some very heavy duty power supplies and many high power matrix drivers used in Plasma sets.

The description sounds like the noises are very loud. It is normal with any of these TV sets, if you put your ear right up to the back of the set at the vent holes you will hear some noises. These would be some acoustic harmonics from the power supplies and related circuits.

I am wondering if it is possible that there is something that is becoming less stable. If the set is working very well without any failure, so-far this is a very good sign. Before it gets to be a problem, I would have this checked.

On many models of these sets, they use fans for cooling specific areas. A bad fan can cause noise.

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No sound

Hi, Probably you first have to determine if the "no sound" is the TV or your source (cable box). Try another source such as a DVD player hooked to the audio/video inputs of the TV, if still no sound then you have confirmed that it is the TV, if there is sound, then it is the cable box (in some cases it may be just the cables connecting the cable box and the TV; try wiggling it a bit, might just be loose). If it is the TV, go through the routine of the setup/menu; look for audio, stereo, SAP, etc, try different settings (pls log down original setting in case no change and you have to revert back). If all else fails, try the "thump test" this will help you determine if its a loose/cold solder problem inside the TV. Give your TV a good whack at the side, top or back, if sounds comes on even briefly, it's a loose/cold solder problem, if not then you probably have to have the unit serviced by a qualified professional. Good luck and kind regards.

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