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Conversion problems color seperating picture is bowed at top and bottom of screen

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What model number. Likely your conversion amplifiers and a resistor or two have gone out. Most Toshiba's use STK392-110 which can be replaced with STK392-120. You always replace both even if only one was bad.

Posted on Jul 10, 2009

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Posted on Jan 02, 2017

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Center bow on picture top and bottom with 1" black showing


Projection TV2_bing.gif sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - TV2_bing.gif makes a chirping sound.
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

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

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

Mar 06, 2010 | Toshiba TN55X81 55" Rear Projection...

1 Answer

Screen is bowed on top and bottom. What could be our problem? Picture, letters & words blurry.


go to hatch screen adjust all colrs to make white color boxes , also adjusts linear lines

Dec 31, 2009 | RCA Televison & Video

1 Answer

The colors are seperating and screen picture is bowing in?


This is a very common failure on Projection sets. Its called a convergence problem.
You may have one or more of the following symptoms.
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.
No Audio / No Video - Makes Chirping Sounds
You can see some examples and find a fix here...

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

Sep 26, 2009 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

Colors have separated. and top and bottom af pictures are bowed. i have a sony kp-46s55. its about nini years old and it was free. currently the colors are separated and the top and bottom of the pict


nbad convergence ic , this need to be done by a profecional tv tech , because need to check for the pico fuse and resistor around the area

May 08, 2009 | Televison & Video

1 Answer

Colors seperating and Screen bowing


The convergence circuit is not working. There are bad solder connections on the sweep board and a small fuse is open. this is not easily done yourself unless you have a technical background but an RCA tech can fix this easily.

Mar 25, 2009 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Pt-47wx49e convergence problem


I just replaced the 2 convergance chips, but it did not seem to fix the problem. I then tested all the resistors that feed the convergence chips anf there was a 2.2 ohm fusable blown. IT was R7050 on mine. That seemed to fix it so that I could adjust all the colors through the convergence 2 screen. There seems to be a slight bow near the bottom when you look at the c2 screen, but not noticable when you are watching a picture. Since I got this broken, I am not sure how perfect it should be.

If anyone can send me the service manual, I would appretiate it. Thanks.

Oct 10, 2008 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Philips Magnavox 51MP392H Rear Projection Television


are you getting sound, was it moved laterly, did you just get it from somone, did it get wet, does it make clicking noises, was the picture color/ convergence blurring before this, were the colors slowly seperating such as red/blue/green?, did the picture bow on top and bottom or sides prior to tihs, was there anything note worthy prior to the blank screen.

generally its IC convergence problem with the larger philips projection TV's however I need more info on your TV, also size make model # anything you can provide gets us a more narrowed solution.

hope this helps....

Aug 17, 2008 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Picture is bowed down from top left corner to top right corner and bowed up from bottom left corner to botton right corner. Colors are seperated a little in corners and middle top and middle bottom.


Convergence ICs are faulty what is your model number? I can post which ICs you need and where you can get replacements that come with free instalation instructions so you can do the repair yourself

May 07, 2008 | Televison & Video

1 Answer

Rca tv r52wh73 the picture is bowed at the top and bottom also the colors red green and blue wont match together as one picture


rca t v r52wh73 the picture is bowed at the top and bottom also the colors red green and blue wont match together as one picture

Apr 05, 2008 | RCA Televison & Video

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I was given a 2007 Toshiba Regza LED television ( I believe it to be LED just because of the Year 2007.) I have the television plugged into the wall standing alone with nothing connected to it no wires no cable boxes nothing. When I push the power button on the side it goes on because the green light is on the bottom it's not flashing but it is on okay. Now what's happening is I'm not getting any picture and I went on to shop Jimmy's and they recommended that I contact you. The back lights are on as I can see through the slots on the back of the television that there is light coming from there. The thing I'm trying to find out if I did the flashlight cuz I couldn't see any picture whatsoever and I don't know I turn the volume up as much as I possibly could through the side and also with the remote. I change the batteries in the remote of course to see make sure that they were working and I shine a flashlight on the screen I could see no picture whatsoever no menu picture no nothing and no sound. So my question is to you, after following shop Jimmy's recommendations it said that if you have your back lights working but you still have no sound or picture then you would need to replace one of two parts or both. I'm not sure what those parts are called I forget but my main question is how much is it to even get those parts and can I still get them. Like is it really worth doing that or should I just go and buy another television. Mind you to see me was given to me at no cost so that is basically the question would it be worth buying those two parts that they recommended and putting them in one at a time or should I just go get a whole new television remember I'm not which call Rich either so... If you could contact me with an answer that would be great please be specific as I am not what you call text Abby okay? I thank you in advance for your time patience and cooperation and helping me to answer this questions. I look forward to hearing from you! Respectfully, Stephanie Whitman PS can this television only be controlled by the remote. There are buttons on the side but to truly get the best quality of the television I would need to use the remote correct?

Jun 14, 2018 | Toshiba Televison & Video

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