My tv will do the same thing. it runs for about 45 minutes and shuts down with the power flashing 2 flashes. after a period of time it will reset but it doesnt stay on for long. I am technically trained in electronics so can you help me with the fix. thanks.
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Re: philips model projection
Hello dm beatty,
First i must ask if you have anything placed on top of the tv? second what i would suggest is for a professional repairman to come and fix it. There are proceedures which you may do it yourself but if you were to mess up it would cost you a new tv. If you would like more assistance to do it yourself place post again and i will be happy to assist.
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Mute the volume and listen at the rear of the unit. You should be able to hear a fan running since these have hot-spots that require some kind of air movment to keep them from overheating.
There are protective circuits that will shut down the power supply once a critical temperature is reached.
The second possibility is the power supply itself; these sophisticated units are very energy efficient but have components in them that age and lose their function over time.
The main supply should be fairly easy to spot; it will have larger components on it, some cylindrical (capacitors), others block-like.
If the fan is running and it is still shutting down, this supply may need repair or replacement.
Look for a part number on the board and inquire at the manufacturer's service center about those possibilities.
Have your model & serial numbers of the set available too.
You have no high voltage, like many in this forum, this model of Philips has some of the same problems. Look around here you may find the answer to your set. If not check Vertical IC, TDA8177, audio ic on signal board up front on left. check Power supply first for blown fuse, 1000, 2004, 1300, 1900 etc. No sound or pic means something is open. Does set has L E D lights on front of set?