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The picture has large areas of color that randomly move around the screen. might it be the main board or the daughter board.

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  • Vizio Master
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Might be the fault to the main digital board.

Posted on Nov 29, 2012

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Posted on Jan 02, 2017

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SOURCE: The color is distorted there

The tv problems u are decribing are 50/50 it could be the main board tv Tuner signal board is dying and shorting out or the tv LCD screen panel itself are leaking radiation and slowly shorting out.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish main board tv Tuner signal board for the replacement.50/50 could get this tv fixed by replacing this main board tv Tuner signal board.If after u replaced the board and still have the same problems,than u know for sure it is the tv LCD screen is dying and leaking radiation and slowly shorting out.Than u know for sure this tv is not worth as a whole tv anymore,now only as salvages tv for it PCB circuits boards only.U can return the main board tv Tuner signal board to the dealers.Get some money back,but must lose some money,like subtraction like from the shipping and handleling cost and the useually the 10% restocking fee.

Posted on Aug 14, 2011

eagle338
  • 4889 Answers

SOURCE: my 42pf7220a phillips hdtv lost

This is not a problem with either of the two boards you have mentioned. The loss of picture in a plasma is caused by faulty sustain boards. In most Philips plasmas I have seen, both the X-sus and Y-sus boards have to be replaced to solve this. The cost is about 150$ for both boards

Posted on Feb 03, 2011

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Problem is in either power supply or the Y-Sustain board.

The Y-Sustain is a relatively large board out of which go connections to the side of the display; it's therefore closer to either the left or the right side of the display, has at least one rather large heat sink on it and fat power cables connecting it to the main power supply.

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if they are blown you can try to replace them, but expect them to blow again - usually the whole board needs to be replaced.

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Hoping this will help in solving the problem....

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1 Answer

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Unplug the TV, remove the speaker grill and cover behind it. There will be a small 5" x 8" board near the front of the TV with large heat sinks. This is the board that needs to be removed. There will be several plugs that need to be unplugged from the board and one that runs back through the wireing harness that plugs in deeper in the set (remember where it came from for reinstallation).

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