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GE D52gw12 Green light comes on and off 3 times then tv shut self off. No picture or sound comes on nothing, sometimes I hear a high pitched squeal.

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  • jkman4 May 30, 2008

    OK thanks, I can't find a schamtic for tv and not sure were the transistor is, can you point me in the right direction? Also is there a web sit I can get the part at?

  • jkman4 May 31, 2008

    Toshiba C5588 447


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The set is shutting down to prevent further damage. There is a problem with the high voltage circuit. The most common failure part is the horizontal output transistor. Figure on $20 or so for parts plus the local labor rate to get the total repair cost.


Posted on May 30, 2008

  • ABRsvcs May 30, 2008

    Look for a transistor mounted on a heatsink close to the flyback transformer. It is probably marked C5438 or something similar. Post the marking here and I'll give you the complete part number.



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