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Tv Screen Problems

I have recently switched my T.V. on and the sound is heard but no picture is on the screen, instead i have a green screen with lines through it and two faded colours of blue on  the left side of the screen and red on the other.

 

The tv has also started to power off intermitently

 

the TV is about 5yrs old

 

Any ideas 

Posted by on

  • RiverRidge Feb 11, 2008

    When using digital tuner with antenna there is green screen when "no signal" and when signal present picture is excessively green.
    Picture is OK when using input from analog tuner or external DVD/VCR, etc.
    Audio is OK.
    RCA help says it's the antenna input.
    I adjusted antenna, checked connections, rebooted TV.
    This problem only occurs when video is from digital tuner.
    I have not checked antenna matching transformer but that would also affect analog tuner wouldn't it?

  • redwards9693 Jan 14, 2009

    My son's tv does the same thing. When I turn it on it is green with lines across the screen. Sound seems fine. After a few seconds, the tv turns itself off. I cannot access menu or change the channel or AV.

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As you see green screen with lines through it

lines you are seeing is called retrace lines.

the problem is due to green video output section failure

please check the followings as given

  • supply to green video output & video output itself
  • components in green video output circuit
  • crt base loose.
  • connector loose in video ckt.
  • signal from signal processor to  green video section is absent.

hope this will help.

good luck.

 

Posted on Oct 15, 2007

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