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I have a Sony Triniton 36" purchased in 2003. When it was turned on in the morning, the color was in tints of green and red or pink. I have tried adjusts, nothing worked and no one had touched them so what could be my problem. Is it worth fixing and are their people that some to your home? Thanks Joyce

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  • mrgorilla2 Dec 20, 2008

    What are crt and I tried a whack - didn't work.

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Hi and welcome to FixYa,

Initially, the general fault is one of the colors is missing, most probably blue. This would indicate that:

  • if it is a standard TV, then most likely that one of the 3 color drive transistor or IC power pack is faulty and/or loose (cold solder) and would require attention/replacement;
  • a possibility of course still exist that the picture tube itself is faulty.
Good luck and Thank you for using FixYa. Happy Holidays.

Posted on Dec 21, 2008

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Your TV's CRT has three deflection coils which are deflecting coils.These coils are(in layman terms) responsible for mixing of appropriate amount of color on the screen. Now over a period of time two things may happen:-
1. Dirt accumulates in the contacts of the connections of your TV's circuitry. This can be easily solved for just cleaning your TV internal circuitry with a brush and/or IPA
2. The deflection mechanism has gone bad and hence it need to be repaired.

I believe Sony has a very very high quality of workmanship so the 2nd possibility is very remote. But in any case you must remember that carrying out these procedures need utmost care and only a qualified technician should do as the voltages inside can be fatal. I recommend you consult with a qualified technician for carrying out above procedures.
Please rate me if you are satisfied with my answer and get back to me if any clarification required.

Posted on Dec 20, 2008

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Crt is the part of the tv which adjusts the colours in the tv.if that goes bad then its necessary to replace the crt as it damages the colour quality of the tv. and yes it is worth reparing.as this is common problem which gets solved easily and the tv works properly after that.but manually replacing the part is not very easy as the technician help is much advisable. u can get the required parts at www.partstore.com thanks.

Posted on Dec 20, 2008

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It can be one of the CRT gone, or a fault or n open contact on the CRT board, do you get any error message?

Posted on Dec 19, 2008

  • Ginko
    Ginko Dec 19, 2008

    Outputs to teh CRT tube are individual imputs from RGB board on red , green and blue, when you get reddish color, the blue is gone. Probably a bad solder joint on the board, or a component had blown.

    Try hitting with the palm of your hand the side of the TV, so to whak it a bit, and check if colors change, if they do , it is a bad contact.
    Do not exaggerate with strenght hitting the TV on whack test.


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