Question about Philips 26PF9946 26 in. LCD Television

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Philips 26" LCD 26PF8946/12

Firts sight of a problem was when the screen displayed a single black line across horizontally, about one third up the screen.Then it got wosre and the picture blacked out then went white then all the colours of the rainbow started to appear. it was nice to watch as the full spectrum of colours constantly blended and changed but obviously not a good scenario. The set is just over 3 yers old no other probems up to now. Any ideas on what is causing it and is it repairable ? thanks JC2

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  • herman1945 Jul 27, 2008

    My display went bad also after 2,5 years, on the right top of the cabinet the TV gets really hot. Now at this place you get a vertical beam of colours when the TV is hot.

    I think there is a heat problem in this type of TV, there the display control is at this location with 14 coils on it=, which create a lot of heat. The inside and outside cabinet is closed on the top, so the heat can not escape.



    Please let me know if there are more simular problems with this TV !

  • Anonymous Aug 14, 2008

    hello, i have the same ploblem after 3 year old of my TV.

    There is a vertical right band of colours that appear in any moment.

    My TV is very hot too. I think that can be a temperature problem.

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Posted on Jan 02, 2017

SOURCE: LCD Philips 26pf8946 after about 45mins right hand 1/3rd picture not viewable

Hi Darnez,
It sound like to me that one of the boards that power the bad side of the screen is getting hot and quitting. The boards are not too expensive to replace but getting them is generally the big problem. ( At least for our company). The set would be worth tkaing to a local shop and have it looked at, but replacement costs are going down every day it seems.
Good Luck
I hope in some way this has helped
Ed Meshechek
NC Electronic
Mills, Wyoming
307-266-4675

Posted on May 28, 2008

  • 7 Answers

SOURCE: 42" Philips plasma screen goes black

You have a Ysus problem. Sounds like a cold solder joint or loss connections on ysus main board.

Posted on Jun 07, 2008

  • 2311 Answers

SOURCE: Picture Problems On 50 Inch Philips Plasma

You plasma still under manufacturers warranty. Most electronic devices have one year warranty.
The failure in your TV can only be corrected by repairing it.
I would suggest to call philips and ask them to find you an authorized repair center near you to get your TV fix under their warranty.

Posted on Jul 24, 2008

  • 138 Answers

SOURCE: Dozens of horizontal lines across display!! HELP!!!

Bring up the menu and if the lines are not on the menu replace the small signal board that is your video prossor. If the lines are still the replace the Y main board that contrl the top half of the screen.

Posted on Aug 20, 2008

  • 231 Answers

SOURCE: I have a Philips plasma 42 with black lines across the screen

I would first check if there is an available firmware upgrade for your model .Upgrade requires you to download firmware from philips website.Then transfer it to a memory stick .Then use a memory stick reader to plug into tv for firmware upgrade.Other wise the set would probably need repair .Possible a bad SSB board or another issue

Posted on Aug 26, 2009

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