Question about Toshiba 50H81 50" Rear Projection Television

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Touch focus I'll try to explain without confusing you. I tried to do a touch focus and I am getting a touch focus error. During the touch focus the green and blue lines are all straight. The red lines in the middle is straight but the other red lines curve. The top red line curves like a smile and the bottom red line is like a mouth frown. Then I get a touch focus error. I have tried the manual convergance, but am not sure exactly what I'm doing. What do you think??

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  • charles goldman Jun 06, 2006

    Thanks for trying to help!!

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Why oh why do consumers try to do sofisticated alighnments that we tech spend years to do.. Ok I know you wanns learn and save a few bucks. opk you are now to correct this problem are gonna have to call an authorized Toshiba servicer, cause if you call anybody else they will pull your set and spend countless hours not knowing how to do this as you attemted to do yourself. Now dont get me wrong PLEASE!!!! Its not wrong to try and fix things your self But these days on this electronic equipment its not the same thing as taking a few tubes to the drug store and making a few verticle adjustments like they were dont in the past. Now days there sofisticated digital alighnments that you need the right equipment and the know how to do or it will in the end costing you three times as much to do. Find an authorized repair shop or center , tell them what you did so they dont have to look for a problem as its not a prt falure cause if you tell them it all of a sudden did this !! they will find several parts that went bad. Also are you aware of the high voltage in these sets? Good Luck

Posted on Jun 05, 2006

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1 Answer

Trying to manually fix color convergence on Toshiba 57H81


The convergence ICs and the six 1.8 ohm 1watt resistors need to be replaced. You can get the convergence repair kit for your model at www.tvrepairworld.com which has the Two Convergence ICs and the six resistors plus the CD with instructions on how to do the repair.

Dec 02, 2009 | Toshiba 57H81 57" Rear Projection...

2 Answers

Toshiba 57h81 green will not focus


Typically this is a convergence problem and can be repair relatively easy. Refer to this video to determine if you truly have a convergence problem. Also make sure you use your TV's original remote to make this adjustment.

Nov 15, 2008 | Toshiba 57H81 57" Rear Projection...

1 Answer

Pcture problem


Replace both STK392-110 convergence IC's with Toshiba or
Sanyo brand...............no cheap junk !!.............T.

Aug 04, 2008 | Toshiba 43H71 43" Rear Projection...

1 Answer

Convergence problem


Replace the Convergence amplifiers. Mine did the same. It was like watching a 3D movie without the glasses. It is not hard to do for someone who knows their way around a circuit board repair. Otherwise call a reputable service shop.

Jun 17, 2008 | Toshiba 50H81 50" Rear Projection...

1 Answer

Blue shadows/ghosts


how old is the tv ??
if this tv is older than 5 years it may need to refill the liquid on the proyection bulbs and/or could have contaminats in the fluid causing the ghost and to fix that you will need a professional person to do it

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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

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

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

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...

1 Answer

Convergence problem


sounds like bad solder connections on convergance ic solder then if the problem still there replac ic

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