Question about Toshiba 43H72 43" Rear Projection Television

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Top of the screen is out bottom half perfect screen is split good pic on bottom and top half screen out black This T V is a Toshiba 43H72 rear projection

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Use channel 0...10..20...

Posted on Aug 18, 2010

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3 Answers

Intermittant vertical black bars on 42HP84


there is a good chance that I can solve your problem, although for me and others this problem usually shows itself as black bars that go from top to bottom, not just half way.  go to the following link and read the entire thread, it is very good info.  I have done this and it worked perfectly on a gateway plasma, but it also works on numerous others.  there is a guy on ebay that sells a fix for $80, and it appears to be exactly what i did.
http://www.avforums.com/forums/plasma-televisions/462873-black-line-fault-hyundai-hpt4240-fixed.html

enjoy!
stephen

Apr 03, 2009 | Toshiba 42HP84 42 in. Plasma HDTV

1 Answer

Half the screen on the pic is sort of thermal looking


if it looks like its perfectly in half, it would have to be the light engine. common failure is usually half black, half good.

Dec 26, 2008 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Toshiba 43H72


You need to replace both convergence ICs they are STK392-110 you can get new replacements at the following link and they provide free instalation instructions with pictures so you can do the repair yourself in about a half an hour. You need to replace both ICs same numbers STK392-110. Heres the link.
http://servicemanuals.vstore.ca/

May 20, 2008 | Toshiba 43H72 43" Rear Projection...

1 Answer

Green and pink double vision on my tv


This is a convergence problem. Try resoldering the pins on the convergence ICs. These are large black ICs attached to a heatsink. They should have about 15 pins and be marked STKxxx. If the resoldering does not resolve the problem, replace the ICs. These should cost about $15-$25 each.
Dan

May 12, 2008 | Toshiba 43H72 43" Rear Projection...

1 Answer

Only half the screen is being projected?


i am having the same issue............any solutions??

Mar 31, 2008 | Toshiba 50H72 50" Rear Projection...

1 Answer

Screen just split in half


Is the tv still in warranty? The problem is the upper buffer board, it's a small board that controls the upper portion of the screen. You will have to consult a service center to get it, it's very easy to install

Apr 15, 2007 | Panasonic TH-37PD25U/P 37 in. EDTV-Ready...

1 Answer

Top half of screen looks like 3D


the prob. described points to convergence amp failure. have qualified tv tech to repair..john

Nov 10, 2006 | Akai PT4298HD Rear Projection Television

1 Answer

Screen split with black bar through center, top of picture shows in bottom


It sounds as you desribe, the vertical output IC and or the b+ feed capacitor off the Hi voltage transformer feeding the vert. IC its required voltage. Not a really hard job to replace, but not for a handi person to do. This should be left to the professional, as there are no user serviceable parts inside this set and with the HI voltage and the safety issues its best to call somesone to assist you with this repair. Good Luck

Jun 14, 2006 | Sanyo DS31520 31" TV

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