My TV shuts off automatically after sometime. First the picture get squeezed and when whacked on tv it get turns to normal picture. how ever after sometime even whacking doesnt help and the picture and sound is completely gone.
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Re: Phillips 29" TV
Sounds like it has an intermittant connection somewhere which is very
common now a days due to the lead-free solder all the makers went
to. Resolder everything that looks suspicious, especially the
bigger components. It could also be a failure of the flyback
transformer though which often times fail like this.
Hope Ya Fix It.
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I'm having the same issues with my phillips flat panel. I downloaded the firmware update from phillips and that helped...but only once. I'm back to the same issue this morning. But you might try this download...it may work for you.
I had a similar problem with my Phillips 42 in. LCD HD TV.
Here's the problem. The Power Supply Board. I opened my TV
up(warranty was up of course) and found several bad capacitors.
Phillips and several other companies were sold capacitors that although
were highly rated failed within 5 years because of a lack of
preservatives. All sorts of electronic equipment is now being effected
due to these defective capacitors.
1. Take it in and have it fixed
2. Open it up, check the board for faulty capacitors(bulged or leaking) Buy a new Power supply board and install it.
3. Remove PSB, remove faulty capacitors and replace with compatible new ones.
From what you describe, a solder joint has probably cracked loose in a power supply or deflection circuit, which is quite common. Since you do sometimes see a good picture, all of your major components are fine. Repairing cracked solder joints is a very easy procedure and definately worth fixing on a 32 inch TV. The first 2 digits of the model number indicate the size of the TV.
This TV set is still under the warranty and it seems proton has no local service available to you. I know its to late to tell you this but anytime you purchase a set, ask first and see if there is a service local to you. Ok enough of that noise.. I would go back to the store where it was purchaced and ask them if they know of any local shops that handle the warranty repairs.. If you want to pay for the repair, and that will most likly be alot for a flat panel set, You will have to call back proton and ask about the shipping cost and whos responsible for that.
Symptoms are not related,what you hear is the high voltage turning on and that is normal if it only does it for less than a second,the grainy picture might be intermitant,dont turn it off,when the picture is grainy tap the side of the set to see if it racts and if it does you know you have a loose conection.This could be outside because of a loose ground on tha cable or inside in the tuner.
Your problem is a common one and wht tells me this is when you wack the set. Theres a couple of coils that look like small towers that stand up and would have an L4#### number of some sort. They would be located toward the right side in the middle.. BUT for cryin out loud BE CAREFULL please!!!theres thousands of volts in a tv set. Oh and NO for sure this is not a Picture tube problem Good Luck