Question about Samsung LN-S4692D 46 in. LCD HDTV

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Samsung LNR408DX/XAA Powers on with sound but no picture

The TV powers on, can hear the relays clicking, The led on power button blinks 4 times. There is sound but no picture, the Screen backlighting is on but there is no picture and no on-screen display... is the same power board problem others are having ??

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  • David Friedel Feb 25, 2009

    I have the same problem with the same Model #. This is the second one I have seen like this. On the first one, the main board was replaced but the problem still exsists. It's hard for me to believe the power board would be bad because all the voltages seem to be present. Is there a timing control board on this that could cause the problem? If so, does someone have the part #. This problem has to have been solved by now, the first one I spoke of was seen about 6 months ago, now I have another one, and I see multiple threads containing the same failure mode but no confirmed fixes that I can find. HELP!

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I think you need to exchange the Main Board.

Posted on Feb 06, 2009

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Ahwatukee Al

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