Question about Hitachi 43UWX10B 43" Rear Projection Television

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Hitachi 43UWX10B 43" Power Light flashes Continuously

My Hitachi 43UWX10B 43" Rear Projection power light flashes continuously and you hear the chirping of the TV trying to turn on with each flash. The TV will not turn on. The previous owners were told it was a fuse when they had it repaired professionally with the same problem. After inspection, it is obvious the IC convergence chips have been replaced but I cannot find any fuses that seem to have been replaced or that need to be. After testing the convergence chip's resistors only one was bad, it was out of tolerance, and I have replaced it. Any advice?
Thanks for any help.

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  • sum10fishy Jul 08, 2009

    Ed, thank you for the reply. I have now replaced the IC convergence chips and tested the resistors on the board. However, the problem has not changed. What else should I check to contine trouble shooting this set?

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  • Hitachi Master
  • 3,459 Answers

I doubt if its the fuse. We just helped a customer with a very similiar problem. Its more likely that the convergence IC have failed and shorted out. When this happens one of the symproms is that the TV will shut down and chirp. Goto www.TvRepairKits.com and click the contact us button. They can provide you with more instructions on how to test if this is the problem.

Ed

Posted on Jun 20, 2009

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http://www.fixya.com/support/r2861627-updated_convergence_problems_amp

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