Question about Toshiba 42H81 42" Rear Projection Television

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Touch focus - Toshiba 42H81 42" Rear Projection Television

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Sounds like a convergence failure, here is a tutorial I made:
http://www.fixya.com/support/r5001731-convergence_diagnosing_convergence
Let me know if I can be of further assistance.

Posted on Sep 09, 2010

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Posted on Jan 02, 2017

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1 Answer

Touch focus


I think the screen adj is too high on one of the screens.
How and where did you touch focus?

www.aaatvservice.com

Aug 09, 2014 | Toshiba 46H83 46" Rear Projection...

1 Answer

Red is out of convergence


You can repair it yourself by replacing both STK392-110 Convergence ICs. You can get replacement ICs at the following link with free instalation instructions . Heres the link.
http://servicemanuals.vstore.ca/

Aug 08, 2008 | Toshiba 65HDX82 65" Rear Projection...

1 Answer

Still green


go In service convergence mode and try to adjust red and green if you cant then it's convergance amp ic's
if you can adjust them so they align up try doing a touch fous after that,.

Dec 16, 2007 | Toshiba 42H81 42" Rear Projection...

2 Answers

TOUCH FOCUS ERROR on Projection Toshiba TV


My 57H81 won't converge, plus I get the "touch focus error" message. I could get manual convergence of blue, but not red. Plus, during touch focus the red would not move horizontally

Nov 25, 2007 | Toshiba 57H81 57" Rear Projection...

1 Answer

TOUCH FOCUS ERROR


The convergence IC`s need to be replaced and the related low ohm resistors need to be checked for proper value.

Oct 15, 2007 | Toshiba 57H81 57" Rear Projection...

1 Answer

Touch Focus Error


Even if the pix appears to be "OK", the internal convergence

alignment (in servicer mode) must be accurate within certain

parameters for the Touch Focus function to complete w/o error.

Adjustments should be done in "Full" mode,both HD & regular

signal.

Oct 13, 2007 | Toshiba 53H71 53 in. Rear Projection...

1 Answer

Blue ghost


If you have the ability to work on solid state electronics and know how these circuits work, you will need to replace the convergence IC's in this TV set. If you do not, call in a pro to assist you in this repair. Good Luck

Jun 20, 2007 | Toshiba 43H71 43" Rear Projection...

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