Question about Samsung HC-P4752W 47" Rear Projection HDTV-Ready Television

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Having an issue with a Samsung HCP4752W rear projection hdtv...

I was looking up how to possibly fix an issue with my TV and I came across your post about THE DREADED 1500UF POWER CAPACITOR ISSUE.

My TV comes on for a second the shuts itself off, I can get it to stay on after about 20-30 min of turning it on/shutting itself off.

Could this be this issue? If so where and how do I look for the blown capacitor, and if so is it something that can be fixed?

Thank you very much in advance,

Steve

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  • steveg724 Sep 20, 2008

    The picture is in good shape, so picture distortion is not an issue, and after the initial turning itself off for 20 min or so, it will stay on all day long 8-12+ hours.

    Did not notice any bad transistors on the boards.

    Also I have noticed that when it goes from being warm in the house to when the AC comes on it will shut off by itself.

    Also when my daughter (2 years ol) jumps in front of it it will shut off.

    So movement, temp change to cold, and initial turn on after night is some causes, hoping that this info might be able to determine the cause a little better.

    Thank you very much for the help!

    Steve


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If its on for that long its probably not a main capacitor issue a blown capacitor of that size would
have some distortion in its shape look for bulging at the top or bottom or fluid leaks at the base
a good capacitor looks like a small tin can
from the sound of it your problem is elsewhere if the picture is the picture is good then it may be a regulator or power transistor if the picture is distorted then its in your convergence circuit.

Posted on Sep 20, 2008

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