Question about Toshiba 43A10 43" Rear Projection Television

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Convergence is not working properly on certain areas of the set

I am able to set and maintain the convergence on all but the following zones, 1,4,7 and 8 for the Blue. The red will move and line up properly. I am wondering if this is something that I can repair with simple tools, not very good with a soldering iron, but can find someone. What parts might be needed? Thanks.

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Service manual here
http://www.eserviceinfo.com/
I would not replace one stk but all....
more info here:
http://www.digitalhome.ca/forum/search.php
http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Posted on Dec 05, 2007

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2 Answers

Colors are out of focus and magic focus wont fix


If you have tried the customer convergence menu/control and can not set the convergence you have a fault with the electronic circuit that controls the convergence of your 3 picture tubes this overlaps the 3 colors red, green, blue to create the proper color combination's of colors for a proper picture

May 05, 2010 | Hitachi 57F500 57" Rear Projection...

1 Answer

CONVERGENCE I TRIED OWNERS MANUAL STILL HAVE PROBLEM WITH ZONE 1,7,8 AND 9. IS THIS AN I.C. BOARD IF SO WHICH ONE


It's a good possibility! Sounds like corner area's are the worse. Are there potentiometers that you are turning to try and set the convergence? Please be aware that Green convergence is first set 'best overall geometry and then you overlay Blue over Green, then Red over Green. Do blue first as it's harder to see then the Red of course.
Blessings always,
A/V Media Tech Guy

Dec 02, 2009 | Televison & Video

1 Answer

Can not find convergence on tv settings


Convergence settings are internal to the set on a circuit board somewhere. If you do not have a service manual for this set and some rather expensive equipment, it is unlikely you would be able to restore convergence.
Normally, convergence does not drift unless some electrolytic capacitors have aged to the point that they cannot maintain high enough voltage. This means that, even if you could find the pots that control the convergence, they would not be able to restore convergence.
The inside of a projection TV has DANGEROUS high voltages that can persist for WEEKS after the set is turned off. We are talking HEART ATTACK voltages.
You should have your set repaired by a qualified (insured) service technician.

Oct 10, 2009 | RCA HD52W59 HDTV Projection Television

1 Answer

Green convergence is not converging properly


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. When its out of alignment the video will look 3-D, wavy, distorted, etc. 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, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

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

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Oct 08, 2009 | Hitachi 46F500 46" Rear Projection...

2 Answers

Red, green and blue colors don't match up on screen.


Please replace convergence out ICs (usually two) in TV.
If it is Hitachi 43UWX10B then its convergence out ICs are available in Part Store
Thanks.

Aug 24, 2009 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

We replaced the convergence chips & 1 3.5 pico that was bad and no changed --it still looks arched on the outside and now can move the crosses on the manual convergence but they outside still wont line up...


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. When its out of alignment the video will look 3-D, wavy, distorted, etc. 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, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

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

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV2_bing.gif may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

May 03, 2009 | Sony KP-65WS510 65" Rear Projection...

1 Answer

Convergence on Panasonic PT47WX42 is 3-D movie like and wavy...


you will need to replace both stk392-110 convergence ICs. You can get replacements at the following link with instructions. They also have the service manual for your set.
http://servicemanuals.vstore.ca/

Feb 05, 2009 | Panasonic PT-47WX49 47" Rear Projection...

3 Answers

No color adjustment


51f500_51_in_rear_projection_hdtv_190581.jpg

Problem with Hitachi 51F500 51 in. Rear Projection HDTV-Ready Television
i want to learn how to do convergence on my tv its a hitachi rear projection i have problums with colors not aligning,could you lead me in the right direction ps: i don't have the remote so i

can't magic focus

Posted by avatar13.jpgejaparks on Mar 03, 2011

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Solutions (1)

Your convergence has failed and needs to be repaired. Once quick test is to goto your convergence menu and see if you can adjust red and blue. If not its has failed and needs to be fixed. You can call in a repair shop or you can get the parts and instructions from www.TvRepairKits.com and do the repair yourself. Its a fairly easy DIY fix.
Here is an example photo.... louis66_0.jpg

Jul 04, 2008 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Cant get convergence board settings


I suspect that the convergence board may be defective. If the convergence was okay before and then went out, this is a fault and not an adjustment! Adjusting only compounds the fault.
Look up the Sanyo home page on the net, and get their tech support. You can order a new convergence board, and the service manual to start.

It may be more practical for you to let their authorized service rep service the set for you. It is possible that you start buying the parts, and end up needing to troubleshoot for more faults. You will need the proper tools and training to get involved in troubleshooting your set.

Jerry G.

May 19, 2008 | Fisher PC-27S80 27" TV

2 Answers

Toshiba 56H80 Convergence Problem?


There are 2 large IC's in your set and one of them has burned out. These are called convergence output IC's and are usually the STK392-010's. A good idea would be to go ahead and replace both with the newer, upgraded STK392-150 IC's. A good tech can change those IC's in about an hour and a half, and when I do a housecall for a set like that I charge $150, but shops in your area will vary so be sure to ask around.

Sep 07, 2007 | Toshiba 56H80 56" Rear Projection...

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