Question about RCA P52937 52" Rear Projection Television

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P52937sg The red blue green wont align for me

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Re: P52937sg

Convergence circuit repair----about 400.00 at tv shop.
Let me know if you want a detailed how-to.....T.

Posted on Oct 24, 2007

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My RCA P52937SG projection tv. Picture distorted. I beleive it has to do with the green circuit / projector. Everything needs to be aligned to green. Green projector is on, but, in alignment screen I get...

The tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadow pictures or 3D pictures look alike?The tv convergence board is dead.The tv convergence board must have replace the 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

Mar 28, 2011 | RCA R52WH73 Projection Television

1 Answer

My 52" RCA P52937SG screen bows on the top and on

What you are describing can be due to a number of different settings.

Focus on the red and green guns
Sharpness on the red and green guns
Horizontal position and size
Vertical position and size.

Please consult a professional for adjustment on these items as they are all near or connect to parts that have Hazardous Voltage.

Mar 22, 2011 | RCA P52937 52" Rear Projection Television

1 Answer

The blue wont alline

If you cannot align RED, BLUE, or Green your TV has a convergence failure. You can see some more examples and find a fix using this link on Fixya

Jan 22, 2011 | Philips 60PP9202 60" Rear Projection...

1 Answer

Dont have the remote and blue, green, red lines dont align w/ pic

Convergence problem - a tech may decide to change the convergence ICs

May 27, 2010 | Philips 60PP9352 60" Rear Projection...

1 Answer

RCA Convergence problem... some information needed thanks guys

Did you replace the STK730-130 on the Convergence power supply board? You can get one at

Nov 05, 2009 | RCA P52937 52" Rear Projection Television

1 Answer

Picture is OK, but colors are off and there is a blue star background that shows on dark colors.

Hello, With most rear projections there is usually an alignment to do with the set up with your TV. This is so the red, blue and green projectors align together to give the correct colouring. This sounds to me what may be causing the outlining of the blue. This can also make it seem off colour. Look in the set up menu of the tv and see if you can find this alignment feature. Usually a cross will appear and you move a blue, red, and green cross with the arrows on your remote to align over the original white one. If this does not work, it may also mean that one of your projectors, that is the red, blue or green one may be failing causing the off colouring. Hopefully this alignment may fix it for you.

Oct 26, 2009 | Sony Grand WEGA KDF-60XBR950 60" Rear...

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Red is out of alignment

when i go to convergence and align the white cross with the blue its ok ,but when i try the red it doesnt line up and if l get it close enough it get misaligned only with the red ,green and blue fine

Nov 15, 2008 | Mitsubishi WS-65809 65" Rear Projection...

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Pioneer SD-641HD5 red convergence - not chip problem!

Replace Both of your STKs if they are STK392-110s do not go back with them use STK392-180s better ICs, The 110s fall apart and do not hold up.

Nov 12, 2008 | Pioneer SD-533HD5 53" Rear Projection HDTV

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Big screen tv

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projeciton sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.



Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix


You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

Jul 05, 2008 | RCA P52937 52" Rear Projection Television

1 Answer

RCA P52937SG Convergence

Convergence amp ic bad
Sony Convergence

Jan 29, 2008 | RCA P52937 52" Rear Projection Television

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