Question about Toshiba 51H83 51" Rear Projection HDTV-Ready Television

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Suspected Convergence Issue on Toshiba 51H83?

After using the Touch Focus feature on my 3+ year old Toshiba 51H83 for the first time today, I suddenly have green and red wavy lines and a distorted section at the top middle of the screen -- almost an effect of looking at a 3-D picture without 3-D glasses. When I try to do a manual convergence, the #2 square on the 9-point convergence setting has a green square with the number two in it above the blue and red cross hairs. I am not getting an error message, but something obviously went terribly awry!! Any suggestions?

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

Posted on Nov 19, 2007

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My 15 year old toshiba projection tv that was hardly used. the screen now will not light up and on off button is blinking


Hello, I just received your email about your TV and will do a little research on it to give you a good answer to the problem real soon later today. Thank you Looks like a 51H83 model

Feb 17, 2012 | Toshiba 51H83 51" Rear Projection...

1 Answer

Convergence function reads error


Check the 1.8 ohm resistors in the convergence circuit there will be 6 all 1.8ohms, They will be where your STK ICs are
STK392-110s which are Big Black ICs,You may need to replace ICs They are Big Black ICs with STK392-110 printed on them Mats has them 1-800-628-1118

May 30, 2010 | Toshiba 51H83 51" Rear Projection...

1 Answer

3 d images on toshiba 50hd82


This is a convergence issue, the stk392 ic's have failed on the convergence board, if you want to tackle this issue your self you will need soldering skills and a dvm. This is a common issue with all projection tv's.

Sep 01, 2009 | Toshiba 50H82 50" Rear Projection...

1 Answer

Toshiba has lost focus


The convergence ic board is dead.
Need a new one.

Aug 19, 2009 | Toshiba 51H83 51" Rear Projection...

1 Answer

51h83 toshiba tv convergence moves all the time and the tech put


did you check and or replace the feed resistors for the Convergence when you replaced the ICs?

Apr 12, 2009 | Toshiba 51H83 51" Rear Projection...

1 Answer

Number 6 convergence issue


Your set uses two convergence amp ICs they should both be changed their numbers are STK394-250 They are attached to a large heat sink the board location numbers are Q751 and Q752 You can get replacements at the following link and they provide installation instructions and free on line tech support by insatant messageing when you do the repair. Heres the link
http://servicemanuals.vstore.ca/

Apr 14, 2008 | Toshiba 51H83 51" Rear Projection...

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 51H83 51 in. Rear Projection pisture issue


I have a wild guess. I have the same tv and channel 72 is the proper channel to watch tv on. I don't know why, but maybe try channel 72 instead of the usual channel 3. Good luck, maybe a quick fix, maybe not!

May 30, 2007 | Toshiba 51H83 51" Rear Projection...

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