Question about Zenith R40W46 40" Rear Projection HDTV-Ready Television

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Convergance The red is arced on my television at the top and the bottom. I tried going into the menu and performing a convergance but that did not work. I was wondering what the problem might be and can I fix it myself.

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  • bat and cat Nov 17, 2007

    We too have this problem and are in the middle of disassembling the rear! The problem is very slight and hopefully we'll get it soon! When we do we'll let you know!

  • lizford Jan 14, 2008

    I also have a red arc on my screen, the convergence will work with the green and blue but not the red. Don't know where else to look to solve this problem

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I took my TV in to be fixed. Both of the IC amps were replaced and it is working great!

Posted on Feb 24, 2008

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  • Zenith Master
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Your convergence amp ICs are bad. You will need to replace both of them. Its an easy fix if you can solder. Check the resistors right next to the ICs also often 1 or 2 of them burn open when the ICs go out. Let me now if I can assist you further.

Posted on Feb 24, 2008

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1 Answer

A curve of red blue yellow lines at the top of screen and when dish is off it has these colors in a square around the screeen. When dish is on almost look like a double picture. Was fine one second and...


hello it sound like convergance problem go in to the menu on your tv and try resetting the convergance. if don't reset then the convergance ic need to be replaced hope it helps

regards
shaun

Feb 25, 2011 | RCA R52WM24 52" HDTV Projection Television

1 Answer

Red and green arcs, 3-D effect


Convergence is dead.Know how to solders?Replaced 2 Convergence ICS and all it resistors.Tries Tv repair World.com,Tvrepairkits.com for the convergence kit.The shop will cost u $300 for parts and labors.

Jan 21, 2010 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Curved picture top an bottom


This is a common problem. Your convergence has gone out.

Common symptoms are...

1) 3D Video
2) Warped Video
3) Convergence menu does not adjust the red or blue correctly.

Go here for a solution...

http://www.fixya.com/support/r2861627-updated_convergence_problems_amp

Sep 04, 2009 | Samsung HCN4727W 47" Rear Projection...

1 Answer

I just received a Hitachi 50" projection Tv from a friend. He was the original owner and it appears after 8 years the picture quality went bad. After spending some time with the operating manual it appears...


Your TV most likely has one or more possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem
  • 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.
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Here is a quick test....

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

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

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

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.


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.

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TV set after fluid change

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2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

Apr 23, 2009 | Hitachi 50GX49B 50" Rear Projection...

1 Answer

Picture has a swag at top and bottom of picture


hello it sound like convergance trouble can you access the menu and try and adjust the picture if that don't work it could be the convergance chips

shaun

Apr 08, 2009 | RCA Televison & Video

1 Answer

Convergance


push the menu button - leftmost button on front of the tv. use the arrows on the ch and vol buttons to navigate the menus. go to the bottom item on the menu select it select autoconvergence you will however likely have to do manual blue and red convergence because often auto is not enough. see how that does.

Jan 25, 2009 | RCA R52WM24 52" HDTV Projection Television

1 Answer

Red convergance


You will need to replace both convergence ICs they are STK392-110 and you will also need four 6.8 ohm 1watt resistor. You can get replacement ICs and resistors at the following link with free installation instructions.
http://servicemanuals.vstore.ca/

Sep 21, 2008 | Philips 43P8341 43" Rear Projection...

2 Answers

RCA HD52W59YX35


just found the problem fuse that causes this to happen. The set I have also was not converging, and the auto convergences option was also gone. The small fuse labeled fl231 which is right next to the big plastic piece with the large red wire coming from it in the left corner of the circuit board closest to the back. It is the middle of the 3 small fuses that are smaller than a Chiclets gum. I was able to pull up the circuit board and jump the fuse with some alligator clips and the set looked great again. Every one says watch out for the unit with that red wire SO WATCH OUT!

damortch check out mouser.com I think I found them on there gonna call them tomorrow to see if I can get mine there.

Oct 26, 2007 | RCA HD52W59 HDTV Projection Television

2 Answers

Convergance/bowing


most like tes thats all your going to have to replace + the silicon as if you dont thet wil not last as long as they should. Also you may have blow fuseable resistors next to the ICs make sure you check them as well.

Aug 16, 2006 | Philips 9P6044C 60" Rear Projection...

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