Question about Hitachi 43UWX10B 43" Rear Projection Television

1 Answer

When tv is on picture will suddenly go off and red led power indicator flashes on and off. When you turn tv off and wait five minutes or so you can turn it back on . Happens once per day.

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  • amadera Aug 31, 2010

    There are NO convergence issues or for that matter ANY other issues except what was described. Shall I check the resistors?

  • amadera Sep 09, 2010

    No real pattern....sometimes it will go three or four days without doing it at all. If you turn it of when it happens , 5 minutes or less and it's back on with no recurrence 'till the next day or two or three.

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  • Hitachi Master
  • 14,553 Answers

There are some things to look at here, does set have any convergence issue when it is on, see photos.

Second, with back removed look at photos of resistors, are any discolored?


SD TECH


When tv is on picture - 0692a27.jpg



The next is photos of heat sink on right side as seen from back, look carefully at the resistors, are any discolored?



daf3a1d.jpg



e08430d.jpg

This is view from right side of same area.



Posted on Aug 28, 2010

  • SD Tech
    SD Tech Aug 31, 2010

    Yes, take a look at them anyway.

    Also is there a pattern to how long it will play? What is the longest?

    It may be a bad solder connection somewhere that opens when the board gets warm.

    SD TECH

  • SD Tech
    SD Tech Sep 09, 2010

    To be honest you may just have to wait until it either gets worse or fails completely, unlike some sets this one does not have a error buffer which would record what area failed.

    Sets that play for days can be hard to fix; even in a shop they would have to run it with back off and when it fails inspect voltages and check for bad solder connections in several areas.

    A set that just does not work is much easier than something like this.

    SD TECH

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