Question about Philips 37PF7320A 37 in. HD-Ready LCD Television

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Philips 17PF8946A/37 burned IC.

I have that Philips TV and I can't make out the part number on an IC that is burn so bad. I really would like to have a dirgram of the set. But since I can't find that then it is just replace to part, if I can get the part number. That Part is located on the board 31391235667 or that what is on the board, and there is a paper that have 3139 188 51101 which I don't understand. Located on this board is an IC of some kind about an Inch long. It is attched to the biggest heat sink in the set, that heat sink is almost 3" long and about an inch high. There is a 12 pin IC connected to that heat sink which is burn, and smoke when the set is turned on. and thats the probllem.

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  • mitchell239 Jan 01, 2008

    I don't think it has anything to do with the Vertical Sweep. I can see AN7 and the last number on that IC, I think is H can't be sure of that. I think the reference designator is 7731. I really think this thing have something to do with the audio. Can't find any thing else wrong with that board, but something sure caused that IC to smoke.

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  • Master
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That sounds like the vertical sweep IC. Can you see a reference designator for this IC?

Posted on Jan 01, 2008

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