Question about Toshiba 65H82 65" Rear Projection Television

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Toshiba 57H82 Convergence issue

Hi, Acquired a 57h82, that has a convergence issue. The picture is ghosted in red and the red convergence cannot be adjusted left to right. Up and down is ok. I replaced both of the convergence chips, but it made no difference. I assume as I did the chip replacement, and the issue is still exactly the same I did it ok. Does anyone have any other ideas... I have heard that some resistors on the board can be a problem, and should be replaced, but which ones and how do I check them? Thanks

Posted by Stephen Key on

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Anonymous

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More info here:

http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Posted on Dec 05, 2007

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Toshiba 57H82 - 57" Lower left of picture screen

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Service Manual for Toshiba 57H82

By the red being "off" I suspect you have a convergence problem and adjusting will bnot likely fix the problem. The convergence amps need to be replaced but if you email me I can send you the servoce manual... Just provide me with enough info in your mail, model number, because I get nearly 3000 emails a day and I won't likely remember what manual you're looking for...
Bill

William Rayburn, CET
Premium Technologies
PO Box 442
Long Beach, WA. 98631
360-642-4993
[email protected]
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Service manual for Toshiba 57H82

I found an owners manual and other info on your TV but not a maintenance/service manual. I would suggest contacting Customer support, See below: 
 
[email protected]

http://www.tacp.toshiba.com/customersupport/
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This may be a convergence issue but it is difficult to determine with that description. Watch this video and see if it will help you determine if you have a convergence problem or possible something else.
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There are probably eight to ten resistors sitting behind the heat sincs the Chips mount on. You will need an Ohm Meter the easiest way to check them is just compare them with one another, you will see a pattern then you will see one that is really high or open (infinity) that is the one to change check the coor code on it to be sure you replace it with the right size
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