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Its a Sanyo 42" TV and it the image went black on me and all i can see now is just spots of yellow white blue and green On the top half of my HDTV. I still get sound out of the thing but Image wise Its basically black.

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  • Jacobis Soriano Oct 02, 2008

    Well tried that already and the whacking test use to work before but now its just like white spots which appear at the same spots every time i turn my HDTV on its like white and pinkish and yellowish. I figure out that the three parts at the top are sort of messed up i think. It sort off feels warmer than the bottom three slots. and Yeah i opened the HDTV. and a Transformer gets really warm in a small amount of time. Any ideas



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HI,

It's probably the flyback transformer and associated diodes in the same circuit. It's an easy repair if you know how to solder.


TRY THESE,


ONE: Do the hard reset. Unplug the power cord for 4 hours then power it back up. That will restore all internal soft codes into the set.

TWO: Give it the whacking test. Just bang on it with your fist; strike it at the top, back, sides, etc, to see if you can restore the picture. It is possible that some loose wire, loose connection or cold solder joint has begun to act up and the banging will sometimes get it back in order. Worth at try.

you have to contact the service center if the above steps workout......

Let me know if you need more ideas.
Thanx for using fixya.

Posted on Oct 01, 2008

  • Swaminathan R
    Swaminathan R Oct 02, 2008

    Hi,
    Thanx for your reply,
    And i suggest you to take your TV to the service center to take a look into the transformer.
    It may need some resoldering.....



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