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train123
Joined: 26 Jan 2010
Posts: 88
Location: Canada
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 Posted: Wed Jan 26, 2011 3:33 am Post subject: Sharp Aquos LC-52D62U, dead and pwr light flashes 4 times |
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| When you try to turn the set on, there is a small patch of white flashing on the screen and then the unit shuts down and the power light flashes 4 times repeatedly. When you hit the power button, it just does the same things again. I tried replacing the T-Con board but no improvement. |
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Justmanuals
Joined: 21 Aug 2004
Posts: 1948
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jts1957
Joined: 24 Nov 2008
Posts: 2476
Location: Far, Far Away
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minnie
Joined: 18 Aug 2005
Posts: 2880
Location: Hell
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| Posted: Thu Jan 27, 2011 12:30 am Post subject: |
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4 blinks is a trident ic failure which is on the digital main board.
DUNTKD934FM02-V0 NO TRIANGLE ON BOARD
DUNTKD934FM02-V1 1 IN THE TRIANGLE
DUNTKD934FM02-V2 2 IN THE TRIANGLE
DUNTKD394FM02-V3 3 IN THE TRIANGLE
DUNTKD934FM02-V4 4 IN THE TRIANGLE |
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train12_3
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| Posted: Thu Jan 27, 2011 8:42 pm Post subject: |
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| minnie wrote: | 4 blinks is a trident ic failure which is on the digital main board.
DUNTKD934FM02-V0 NO TRIANGLE ON BOARD
DUNTKD934FM02-V1 1 IN THE TRIANGLE
DUNTKD934FM02-V2 2 IN THE TRIANGLE
DUNTKD394FM02-V3 3 IN THE TRIANGLE
DUNTKD934FM02-V4 4 IN THE TRIANGLE |
Thanks for the diagnosis. Is it critical to use the same version as a replacement or can I use whichever one's available?
I'm also thinking of buying another TV for parts. If I replace mine with another version's main board, which other boards will need replacing to make a working combination? |
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train12_3
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| Posted: Thu Mar 24, 2011 6:39 am Post subject: |
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| Thanks, I was able to find a replacement board and the set works again |
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