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Sony Colour Television Problem

Discussion in 'Electronic Repair' started by Scottie, Jun 14, 2004.

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  1. Scottie

    Scottie Guest

    Any assistance is greatly recieved. I have a 21" sony colour TV that is
    about 8 years old. Model KV-M2151V. The picture from the television has
    turned into Black and White only. The teletext and on screen menus apear in
    colour. Having looked through the newsgroups, it seems that dry joints,
    oscillator trimmer capacitor, crystal could be the problem. I have a lot of
    general electroinics experience, but not in repairing TVs. Any pointers as
    to where to look on the PCBs or which components to check would be
    apreciated.
     
  2. Sofie

    Sofie Guest

    Scottie:
    You have already answered your own question.....
    Yes, your research into the possible causes for the problem with your Sony
    Television is yielding the probably things that you should look for and
    check in to.
    You have specifically identified the areas of the circuitry and specific
    components that you should focus your attention on. Add to that list. the
    delay line, which will be in the same area of circuitry as the other parts
    that you mentioned. Inspecting for and re-soldering cracked, cold and
    otherwise faulty solder connections should be the first priority.
    Happy troubleshooting and good luck.
     
  3. Scottie

    Scottie Guest

    Thanks for the reply, but my question was also where do I look and which
    components. I haven't experience of TV repair, just general electronics. TV
    circuits can be large and finding the offending component without knowing
    where to look, without circuit diagrams, manuals etc may take me a while.
    Any hints such as capacitor 123 on board Y would help.
    Cheers
     
  4. Sofie

    Sofie Guest

     
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