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Samsung 55" LCD TV LE55A956D1M - No picture

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    Samsung 55" LCD TV LE55A956D1M - No picture

    Hi

    Looking at a Samsung 55" LCD TV LE55A956D1M with no picture, backlight is on and seems quite bright but no picture. Tried a factory reset with the remote and makes no difference. Makes the normal startup and shutdown chime. I was thinking it was a faulty main board and noticed its got a dimming board above the mainboard which I've never seen before. Looks like the main board is almost impossible to find (BN41-01063A) but the dimming board if freely available. Anyone any experience with this model of TV and could it be a faulty dimming board ? See attached photos.

    thanks

    Mal
    Attached Files

    #2
    Re: Samsung 55" LCD TV LE55A956D1M - No picture

    How about the pictures of the whole backside of the TV to show all the boards?
    The board in second picture looks to be the FRC (Frame Rate Conversion), the output is then fed into the T-CON board. You need to find out if you do have VDC to the FRC board and the T-CON or not.
    Never stop learning
    Basic LCD TV and Monitor troubleshooting guides.
    http://www.badcaps.net/forum/showthr...956#post305956

    Voltage Regulator (LDO) testing:
    http://www.badcaps.net/forum/showthr...999#post300999

    Inverter testing using old CFL:
    http://www.badcaps.net/forum/showthr...er+testing+cfl

    Tear down pictures : Hit the ">" Show Albums and stories" on the left side
    http://s807.photobucket.com/user/budm/library/

    TV Factory reset codes listing:
    http://www.badcaps.net/forum/showthread.php?t=24809

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