Question about Panasonic PT-51HX42 51" Rear Projection Television

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PT-51HX42 51inc. - picture bowing

The picture is bowing inward with a second reflection of the same image showing behind. any idea what it could be?

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Re: PT-51HX42 51inc. - picture bowing

This happened a few years ago to me. I called the repairman out and he said that I had my tv too close to a magnet source, which turned out to be a speaker and also the reciever for my home theater. See if this may be your problem. Good Luck.

Posted on Jan 02, 2008

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Picture is distorted......bowes inward. Colour is

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 pics of convergence problems.


69189a5.pngSOLUTION #1

For more more examples and find a fix using this link on Fixya

Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

TV set after fluid change



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

Apr 21, 2011 | Sony KP-57WS500 57" Rear Projection...

1 Answer

My screen to my RCA 56" HD TV is messed up. The picture seems to be bowed inward and the colors are all mixed up. I tried to do the convergence but it is not on the menu and I remember it being there...

t is the problem of convergence setting or convergence IC.
Comment by ready2helpu, posted on Oct 21, 2008 IF THE PROBLEM OF CONVERGENCE SETTINGS then check out this link

if the problem of convergence IC THEN check out this link

you can do it manually. 

Oct 21, 2008 | RCA R52WM24 52" HDTV Projection Television

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Panasonic PT-47WXC43G green ONLY is bowed on bottom and top

It still convergence chip problem, check big resistors nearby these chips that would be open or devalued and causing problem, specially in green convergence area, your green tube/ gun is just fine and just not getting convergence output signal to show correct image.
I would suggest to download service manual copy of this tv for small fee from any website and fix the issue with schematics help.

May 02, 2010 | Panasonic PT-47WXC43 47" Rear Projection...

1 Answer

My mitsubishi vs-50609 picture is curving inward on all 4 sides. No idea on how to fix

Remove the fly back transformer and replace some of the Mitzy's had chips to control the screen. It will be a large IC with fins on top and should be quite hot if it is showing bowing. If you dont have skills in soldering and unsoldering it may be better to call a professional. It is not an expensive job about $100 -$150 all up

Oct 16, 2009 | Mitsubishi Projection Televisions

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Borders bowed inward,blurred red,blue, & green

the next time it is not working go into the customer menu with remote and call up the convergence grid and look---there---if convergence is way off and or comes and goes---this set uses 2 Stk-392-570 ic's and it is quite common to see them become intermittant.

Aug 03, 2009 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

Double image the second showing in red PT 53TW53G

replace the convergence ic's or look for loose connections that should do the job

Dec 16, 2008 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

Double images

Change the convergence ICs STK392-110 replace both you can get replacements at the following link and they provide free instalation instructions with pictures I suggest getting a couple of the convergence Resistors as well. Heres the link.

Jun 21, 2008 | Panasonic PT-56TW53 56" Rear Projection...

1 Answer


Sounds like your convergence chip has gone bad. Usually costs about $300-$400 to fix. I would call a local TV repair shop and let them give you a free estimate.

Jan 29, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

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Tv repair

My Tv was doing the same thing, and I had to unplug the set in order to get rid of the blinking light. And what i did was to turn the power on and as soon as i saw the picture i turned it off, I did this 5 times and on the 6th time I let it power and tv stayed on, however something did happend to my set, i found that my convergence was wacky. Tried to center convergence but i could not center the blue. Turns out, i think the problem is with my Convergence ICs that went bad. I can still watch tv but the Image has blue color shadows and the picture slightly bows inwards from top and bottom. To sum this up, i will need to replace 2 ICs, IC C5AA00000203, and this should fix my problem. I will do this repair myself, each part is about $41..

Let me know what happened to your problem.

Dec 01, 2007 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

Help please

called h.v. shut down call tv repair shop

Sep 18, 2007 | Panasonic PT-47WX49 47" Rear Projection...

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