Question about RCA P52937 52" Rear Projection Television

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I have rca 56wh78 56" with a bowed screen

Hello, My screen just bowed like an hour glass, the colors are out of sync, and I went to settings to use auto convergence and its missing. What can I do to fix. Please help, thanks

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  • RCA Master
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You need to replace the FL231, DL231 and CP230 You can get the parts and instructions at the following link cost about 12.00 total. The parts are listed under the RCA parts category.
http://servicemanuals.vstore.ca/

Posted on May 30, 2009

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I have a RCA R56WH78YX53 tv that made a pop or click noise and now the picture is bowed and the colors look like you need 3D glasses. I tried to do a convergence but the tv went blank and now it will not...


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 projection 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.

42d3683.jpg

7859b01.jpg

e87380c.jpg
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

69189a5.pngCONVERGENCE SOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Feb 27, 2010 | RCA HD52W59 HDTV Projection Television

1 Answer

RCA 52WM24 COLORS SEPARATED, AND PICTURE IS BOWED IN MIDDLE


Yes,convergence is dead,U know how to solder right?Buy the convergence kit,replace what in that kit.Also buy a DVD for instructions,never done this before,for safety reasons.Tries these websites Tv Repair World.com Or Ebay.com.

Sep 29, 2009 | RCA R52WM24 52" HDTV Projection Television

2 Answers

Hour glass bowing on the top and bottom of my HCP4752W Samsung


Check the resistors near the ic, and the fuses to the ic's, i bet you will find an open fuse. the fuse will look similar to a resistor without color bands. use a dvm and set it on ohms, with the tv turned off.

Sep 02, 2009 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

RCA REAR PROJ. SCREEN BOWS AT TOP AND COLORS DOUBLED


Hi, thank you for visit fix ya.
Resolder all connections around fly back ( check for open pico fuse).
if still problem, replace convergence board.
Thank you

Jul 27, 2009 | RCA HD52W58 52" TV

1 Answer

Same problem, only with RCA model P61926


Projection sets have two very common problems outlined below.

The first common problem is convergence

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. The TV can also shut down when the convergence starts to fail.

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, RCA and others.


You can more info and a DIY convergenece repair kit with instructions from TV Repair Kits using the link at the end of this article.

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

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped or bowed
*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

bb0cf99.pngSOLUTION

You can see some more examples and find a fix using this link on Fixya

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

Jul 27, 2009 | RCA P52937 52" Rear Projection Television

1 Answer

Picture is all distorted ,colors dont match up need 3d glasses to watch


HI, this is basic convergence failure. the convergence board controls the RGB stream and , if its malfunctioning or, the convergence chip set is damaged, it will distort the entire display and the colors will not be regulated correctly as you are experiencing at this time.

simply replacing the convergence board in this unit will fix your issue.

May 18, 2009 | RCA Televison & Video

1 Answer

My philips 60" philips tv model 60pp9352 picture is squeezed at the middle (like an hour glass on its side), how can I fix?


This is a very common failure on Projection TV sets.
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.
You can see some example photos and find a solution here...
http://www.fixya.com/support/r2861627-updated_convergence_problems_amp

Mar 16, 2009 | Philips 60PP9352 60" Rear Projection...

2 Answers

Stretched screen


Try the menu under setup, find convergence, it realigns the colors,, you are suposed 2 do that periodicly,, or when u move the tv,, should help you ,, ive got that same tv,,

Oct 05, 2008 | RCA P61940 61" Rear Projection Television

1 Answer

RCA 52"


This is a convergence problem and can be as simple as bad solder connections at the convergence ICs or defective ICs. Can you solder? If so, update this and repost the model number as I don't have your original post.

Thanks,
Dan

Sep 08, 2008 | Televison & Video

1 Answer

Problem With Colors


You need to re-solder the circuit board that contains the STK convergence modules. They're on the center circuit board attached to an aluminum heat sink that's about 8" long and 6" tall, about dead center in the circuit board. You may be able to recreate the problem (hour glass effect) by gently moving the heat sink (which the modules are connected to). This gives the hour glass effect on the picture and the advanced convergence screen. This is an indication that the modules pins aren't solidly connected (meaning soldered) properly. Remove the circuit board and clean the old solder off & resolder the modules pins to the circuit board reconnected the board and then retest by again pushing on the heat sink. This is a caused by a minimum effort (a.k.a. minimum cost) solder job, probably done in some 3rd world sweat shop. The "factory" job was good enough for 3-4 years but the heat (and these modules do create a lot of heat) and stress created from repeated use eventually takes it's toll, weakens the pin connections and our problem occurs. take the appropriate cautions working around the high voltage of the set & use a non-conduting piece of wood to push the heat sink when we doing tests.
If this doesn't work, the modules need replacing.
Best of luck, hope ya fix it.

Feb 01, 2008 | RCA P52926 52" Rear Projection Television

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