Question about Philips 42FD9954 42 in. Plasma HDTV

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Vertical Lines Have good color and sound, but have very light blue and red vertical lines in the picture. They are evenly spaced across the screen. Like it needs a convergence adjustment, but the color is okay.

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  • Bob Browning Feb 23, 2008

    Hello, It is the vertical lines , not blue speckles. I cannot find the grey screw (adjust pot ? ) on the small (4x6) vertical board on the left side . Is it on the PDP board ? I have the service manuel on CD. Thanks

  • Bob Browning May 06, 2008

    Found the problem with the vertical lines to be on the board below the "SCAVIO" board. Replaced it with a good board from another set and all is okay. I believe this board interfaces with both PDP boards.

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  • Philips Master
  • 19,396 Answers

Hi I can try soling your problems

Posted on Feb 22, 2008

  • Ginko
    Ginko Feb 22, 2008

    Being a plasma tv is not a convergence adjustment that you need. Vertical lines are usually a panel fault which isnt cheap to fix. If instead you have blue speckles, they are fixable just a voltage adjustment. If you feel confident enough you could try this yourself. what you would have to do is take off the back panel if you have a stand put it back on that. easier to work on. then plug it. BE CAREFUL not to touch anything inside!!! from the back you will see a board on the left side on that board will be a small board attached vertically it will have a gray screw attached(very small). with the tv on you adj. the screw until the blue goes away(a little does alot). In any case, before doing all this you should check all contacts inside your tv, by disassembling and testing them.



    Hope it had been helpful.



    regards

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