Question about Toshiba 27A51 27" TV

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Will not power up

When I plug in the power, I hear the high-pitched whine of the HF unit, but at the same time a repeated click (once every 3 seconds) of a relay.  The unit remains black, no sound (other than click and soft HF whine).

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  • BOBHUSKER Dec 05, 2007

    I have a Toshiba 27A51 27 inch TV that will not power up either. The red power light comes on briefly then shuts off. I am not a tech. I am just trying anything other then tossing this thing. Does anyone know part numbers for this set. It looks like it may be a Power Supply or Transformer. I have the set apart until I can locate the part(s).

    Thanks

    Bob A

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Your problem is in flyback or high voltage section failure.

  • check horizontal output transistor
  • check fly back transformer.
  • check for supply to horizontal section as high voltage from power supply may create such problem
  • as this failure is due high voltage section so it is better to take skilled technician help.
  • good luck.

Posted on Oct 15, 2007

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