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

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Problem with hc-p4752w

The color is messed, every time there is a person or object on tv, there are two of them, one is green and one is blue

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Re: problem with hc-p4752w


Posted on Jan 11, 2008

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The most likely cause is shorted convergence chips and possibly a few pico fuses.

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony,Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2
Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

You can see some more examples and find a fix herebb0cf99.png

Jun 13, 2009 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

SAMSUNG HC-P4752W 47" TV Convergence problem

Resistors most likey...look for burnt or discolored resistors near the convergence chips.

Apr 07, 2009 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

TV problem

It sounds like there is a fault on the chroma panel of some kind.

Jul 23, 2008 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Double vision

My television is a hc-p4752w and the color convergence is way off. The red and green are not together and curl away from the top of the screen and bottom too. I tried to auto focus with only making the color separation worse. The tv is about four years old with lots of play time...
I am a aircraft mechanic with some electronics training so I don't mind replacing components I just don't know where to start and have no troubleshooting manual for help. Any help would be greatly appreciated!!!!

Jun 28, 2008 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Samsung hc-p4752w

Sounds like convergence amp ic's
i dont have any part number for that model.
Convergence amp ic bad
Or send to
good luck
please mark the post with a fixya

Mar 14, 2008 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Samsung hc-p4752w

Not sure of the part number most use STK392-110 or 120s . You will need to look at the ics in your set they will have the IC numbers stamped on them they will have STKxxx-xxx whatever that number is thats the sanyo part number for those ICs

Mar 14, 2008 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Tv problems

I think you might have a convergeance problem, check this out.

Dec 07, 2007 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Samsung HC-P4752W No Color

Do not automatically think you need to go into the service menu. I bet you 100 to 1 that you pulled out a plug or a connector somewhere OR one is not seated into the plug all the way. If the set worked with color before you messed with it, there is not a problem in the service menu. The service menu is not the fix all thing. it is there to make fine alignments and adjustments, and as a matter of fact, messing with a service menu even with the service manual is very dangerous. I have seen peeps ruin TV sets by messing around with the service menu alignments. STAY out of these alignments. they are not going to fix a problem that all of a suddenly comes up. Repair the problem in the circuit first. Good Luck

Sep 18, 2007 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Covergence Problem

What exactly are you seeing on the screen? If one of the colors is only slightly off, you should be able to correct it with the standard menu. If one or more of the colors has suddenly taken a dramatic shift, and is curved inward at a side, it means that one of your convergence output IC's has burned out. You should not attempt to realign the convergence if this happens because you will only be messing up all the settings, and when the new IC is installed, the picture will still be out of alignment.

Aug 26, 2007 | Samsung HC-P4752W 47" Rear Projection...

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