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

4 Answers

Samsung HC P4752W Won't turn on, flash

My Samsung HC P4752W has the following problem: When I press the button on the remote to turn it on, it makes a little melody, shows some moving lines on a light background, then there is a flash of different colors and then nothing.
Here is a video of the current situation.

Could you tell me what the problem is and what I should do?
Thank you



Posted by on

  • cayennehorse Jul 10, 2008

    My TV is a 65" Samsung rear projection. It is 4 years old. Two years ago, the convergence board (with the STK's) went out. One morning the focus went out whack. I changed it myself (easy) and the problem went away. Last week, almost the same thing you filmed happened to me, except it does not go as far as getting colors on the screen. It just beeps, the red LED blinks and then the TV dies. I had noticed that during the past month, the TV went into that autofocus adjustement mode by itself, when I switch from the VCR to the DVD, etc. Never did that before. I just bought another convergence board, and will replace it tonight. I will let you know what happens.

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I HAVE A JVC BIG SCREEN THE SOUND WON'T COME ON WHEN I GO TO THE MAIN MENU AND GO TO SOUND IT WON'T LET ME GO TO TURN UP THE SOUND

Posted on Nov 12, 2009

OOps!! I forgot to post a follow-up message.

It was the convergence board again. I am at my third one. Thank goodness it is easy to replace.

Posted on Oct 27, 2008

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Did you try removing the board? If yes, you have to wires mixed up on the boards. You will have one on the Main board and another on the sub. They are black sockets. I had the same problem when I was repairing mine.

Posted on Oct 23, 2008

  • grixsil Oct 23, 2008

    Another thing you can check. Open up the back of the TV and turn it on. You will see the neck of the tubes glow really bright. If it does glow bright be careful as you might burn out the heaters in the tube and then its beyond repair.

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Unplug the 3 wires that go to the convergence yoke and see if your set will power on, then let me know.

Posted on Jun 19, 2008

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If you have any electronic background, the best thing to try first with this TV set would be to locate the convergence board and unplug the power plugs going to the board. Try then to turn on the TV set, and if it does turn on, turn it off right away! That will tell you that the convergence board is shorted and causing your problem. If the set still will not turn on you will need to trouble shoot the power supply board. If you have no electronic circuit board experience, this is not the job for you to attempt, play it safe and call in a trained tech. good Luck

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