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

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Samsung 47" HD Projection TV with color distortion

I have a Samsung HC-P4752W, 47" projection hd tv. The upper left corner of the picture is distorted, and has a purple hue to it. I took the rear covers off the tv, and noticed that if I looked at the image in each of the 3 color tube, the image was distorted in the green tube. Is it possible the green is bad? Or does it get the image from somewhere else? All help appreciated.

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COLOR CONVERGENCE IN THE MENU

Posted on May 15, 2009

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The picture seems to be 3d and pulled toward the uper left, and it smells like something is burning.


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

You can see more examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Mar 08, 2010 | Samsung HC-P4752W 47" Rear Projection...

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.

Oct 10, 2009 | Samsung HC-P4752W 47" Rear Projection...

2 Answers

RED CONVERGENCE SCREEN PATTERN BOWING AND CAN'T ADJUST


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.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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

1 Answer

HDTV Turner


If your set has HD on it means set is HD Ready and you do not need Converter Box even if your only signal is coming from an antenna. Either a TV has HD or it Does not! And NO you cannot buy Parts to make your set HD.

Dec 30, 2008 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Samsung HC-P4752W 47" projection TV distortion & yellow?


I think you have a fault on the chroma board and on the picture frame board. If you can trace it yourself try these two locations otherwise call out a competant technician. hope this helps.

Sep 30, 2008 | 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

Problem with hc-p4752w


http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 10, 2008 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Distortion at the outher left an right positions? approx 2" each side


If it's an HCP4752W it's a 47" but what's the problem it's having cables or dish box?? No picture, no sound, poor reception, please elaborate.
Bill

Nov 24, 2007 | Samsung HC-P4752W 47" Rear Projection...

2 Answers

Samsung HC-P4752W Blurry ONLY on HD Channels


Similar problem, then about 2 weeks later the SD convergence went out. Changes convergence Amps,,, Now I'm trying to learn what 2 red flashes mean now when I try to power it up,,, it flashes twice then shut down into standby mode,,, I got no picture after installing STK392-040 chips, thinking about trying another set as atleast I had blury picture before. No solder shorts of opens that I can find. TV has always been a pain,,, locking up once in a while such that you can't change modes,,,

Jul 22, 2007 | Samsung HC-P4752W 47" Rear Projection...

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