Sony KV-36 displays bright green screen

Discussion in 'General TV Discussions Forum' started by aeromys, Mar 13, 2006.

  1. aeromys

    aeromys
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    Hi,
    I have a 5 year old Sony KV-36FS70K which today developed an odd fault.

    On switching on, the entire screen is a uniform bright green, with a constant flicker every four seconds. It's not a green tint, with picture visible underneath, but a solid block green. Audio for the chosen channel is unaffected and clear, and the flicker makes no sound either.

    This happens on all inputs, from all sources both front and back of the TV.

    However... if I go to the PAP (Picture and Picture) mode, which divides the screen into two halves for two channel watching, the left side screen remains this constant green, while the right side screen displays a perfect colour picture !!??? Also, if I go into the multi PIP mode with the 12 little pictures around a central main one, the 12 little still pictures are perfect / normal colour, while the main one in the middle is the bright green. In both cases, the entire main screen still has the constant flicker.

    As the screen is still able to display secondary images in colour, I'm guessing (hoping ! ) that the tube is still ok, and that this is some sort of settings glitch. Somehow, the primary image channel is corrupted into a plain bright green, but secondary picture in picture channels aren't. Teletext is fine and in colour also, providing I use it in full screen dedicated mode, if I choose to have it as text over the picture, it's bright green screen time again.

    Family have been interrogated and tortured and say they haven't altered anything, and quite frankly I don't think there's any settings within the remote that can cause this. I've tried a power off re-set, and checked all the standard user settings on the user level menus. I'm not averse to going into the engineer menu, I had to do that when I first got it to set up the NTSC scart mode, but have not been in there since for 5 years and it's run faultlessly until today.

    Any bodies got any ideas?

    Cheers,
    Dave
     
  2. aeromys

    aeromys
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    Or can anyone reccommend a TV engineering type forum where I can post this?
     

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