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

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PIcture Flickering I have a Samsung rear projection HC-P4752w . Recently my picture started flickering kinda like reddish flickering wide lines/bars, also notice picture goes a little fuzzy when its happening. I took off the small back panel to see the 3 bulbs and it looks like all 3 of them are flickering on and off a little. Any Ideas?

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  • Anonymous Aug 10, 2008

    http://www.fixya.com">I have Samsung HC-P4752W 47 in. Rear Projection HDTV-Ready Television yesterday I turn on my tv and I sa Blue color in back off the picture same like double vision wat is the problem .Please help Thanks.

  • jondrus Nov 04, 2008

    How could all 3 bulbs flickering be a convergence issue... it sounds like convergence is all the colors lining up, maybe im mistaken. But the colors line up perfectly its just that the picture flickers , almost like a power supply issue because all 3 lights flicker in unicen when i look at them from the back.



    Anyone else out there have a clue... this set is still broke as I refuse to bring in a repairman for the 150$ they want to even take a look at it.

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You may have a convergence problem. need to replace the stk 392-040 2 eq..

Posted on Sep 10, 2008

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I have a model HCP4752W. The picture has a ghosting with the colors out of sinc.


hi, i believe this is an issue with the projection system, samsung had a recall recently for this issue, i recommend getting in contact with them!

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1 Answer

I'VE HAD THIS TV FOR 4 1/2 YEARS-THINK IT'S THE BULB-REPLACE?


The HC-P4752W doesnt have a lamp. Thats a rear projection it has three picture tubes.

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your vertical hold is out on the tube. new tube is needed. cheaper to get a new flat panel tv.

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The blue tube will cost $150-$200 from a Samsung parts distributor. Keep watching Ebay. Did you change the coolant by any chance? The coolant fogs really bad on the blue tube on this model and it looks like a bad CRT.

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1 Answer

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Did you replaced 2 IC convergence as well or just 2 resitors 3.9 ohms ? if you did replaced 2 IC then you might have probelm in convergence drive it is1 of the PCB mount vertical on the left side from the rear view under part BP95-00415C you need to readjust the convergence by using your remote control just follow in the servive manual

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1 Answer

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1 Answer

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the convergance amps have failed you need to have them replaced there are 2 of them and some resistors may be affected. the cost of this repair can reach $350.00 depending on the tech you get. this is the most common failure in rear projection TVs. the convergance amps work very hard and are bound to fail. they also have very large heat sinks to keep them cool. heat is the biggest enemy of transistorized ICs.

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1 Answer

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soon the picture going to go to black screen, you got somes capacitors bothering, you better to call a tech now that he can see the problem, later will cost you more..good luck ps the picture many times tell to the tech whats going on.

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