Question about Toshiba 43HX70 43" Rear Projection Television

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Convergence problem i have a toshiba 43hx70 projction tv and there is 9 differnt points of the red blue and green crosses. the 7,8,and 9 the green is very far away from the other two, so its making the bottom half of the tv basically in 3d. how do i fix this?

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Common issue with all rear projection TVs is for the convergence correction circuitry to fail. Set needs new STKs and possibly some tight tolerance resistors..... if not a DIY definitely a problem for a shop.

Posted on May 18, 2009

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Sounds like you need to change the convergence chip to me. you can order a kit with instructions from www.tvrepairkits.com for most tv's.
If you plan on doing this you need a good soldering gun and a steady hand.

Posted on May 18, 2009

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1 Answer

Toshiba 43HX70 convergence problem


One or both of the STK convergence chips have probably failed.

I can give you guidance on this if you are confident to do the repair. I had the same problem with my Tosh 40WH08B and after replacing these chips it works like new.

May 21, 2009 | Toshiba Televison & Video

1 Answer

Screen hazzy and issue with blue convergence


bad convergence would cause show to look as if it was supposed to be a 3-d movie, if a bulb was going out then people would look purple blue -green,or some other off color, so likely the green bulb is going out from the color of the people you described.

Feb 06, 2009 | Philips 60PP9202 60" Rear Projection...

1 Answer

Red double picture with green and blue


convergence problem there are 2 integrated circuits inside the set needs to be replaced

Aug 25, 2008 | Toshiba TZ50V51 50" Rear Projection...

1 Answer

Blue Halo - convergence issue with 43Hx70


The most likely cause is shorted convergence chips and possibly a few pico fuses.

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. 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,Pioneer2_bing.gif Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with 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 - 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

You can see some more examples and find a fix herebb0cf99.png http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Aug 13, 2008 | Toshiba 43HX70 43" Rear Projection...

1 Answer

Toshiba 50HX70 Convergence reset


press mute button once after press and keep pressing mute again and press de menu button on tv .when tou see S on screen press 7 you are in convergence adjusting mode

Aug 03, 2008 | Televison & Video

1 Answer

Toshiba 65H81 convergence issue


Does the blue and red crosses move at all ... eather vertically or horizontally. if they move at all then it may not be the chips.. could be a resistor. if the crosses dont move then it probally the ic. these chips run about 7 to 45 dollars apeace depending on type. at our shop we charge around 125 to put in.

Jan 15, 2008 | Toshiba 65H81 65" Rear Projection...

1 Answer

Toshiba projection tv


there is no pink in resister codes
red or orange i think it's orange
32 X 8 or 5 32000 32K? most are low resistance
3.9 ohms and below.

Dec 06, 2007 | Toshiba 43HX70 43" Rear Projection...

1 Answer

Suspected Convergence Issue on Toshiba 51H83?


Needs chassis pull & convergence IC's replaced....then
Touch Focus will work again..................T.

Nov 19, 2007 | Toshiba 51H83 51" Rear Projection...

1 Answer

Convergence


you have bad convergence ics

Apr 13, 2007 | Toshiba TP61H60 61" Rear Projection...

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