Question about JVC AV-56WP74 56" Rear Projection HDTV-Ready Television

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Convergence problem I had the same problem with the convergence. Had a repair man come out and he fixed it. Cost $409.00. Two years later the same problem happened again the other day. I'm looking for a new TV.

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Look in back of TV What is the number on the (2) Big Black ICs STK392-110s or ?????? If they are you need to USE STK392-180s. 110s do not hold up.

Posted on Jun 15, 2009

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The convergence looks like it failed finally. 8+ years old. Fix it or buy another tv?


Fix this tv can last u another 5 or 6 years easily.The shop will cost u like $300-350 to repair the convergence board

Jan 13, 2011 | Toshiba 42HDX82 42" Rear Projection...

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Hi I have a toshiba 50h82 tv that is 7 years old with a convergence problem with the red and green lines that is going to cost $400 to fix but now that I am thinking about it before the convergence problem...


You are describing 2 different problems. The convergence problem can be fixed by either resoldering the convergence ICs or replacing them. These ICs cost about $25 each and there are 2. I suspect that the $4oo is for replacing the convergence board. This should not be necessary as the board can be fixed. Also, the brightness problem can be dirty CRTs, dirty mirror or faulty coolant fluid on the CRTs. If the picture was good prior to the convergence problem, the set is probably worth the repair if you can get the board fixed. While the board is being repaired, the service shop should be able to tell whether or not the brightness can be adjusted.

Dan

Oct 12, 2009 | Toshiba 50H82 50" Rear Projection...

1 Answer

Convergence amp


You usually have to replace the two ICs at the same time along with resistors to get the longest life from the Convergence amps. You can get the repair kit for your model at the following link which contains both ICs and all 6 resistors plus instructions with pictures that explain how to do the repair yourself. Heres a link to the correct kit for your model Toshiba.
http://servicemanuals.vstore.ca/product_info.php/pName/toshiba-50h71--50h81-convergence-repair-kit/cName/convergence-repair-kits

May 18, 2009 | Televison & Video

2 Answers

Alot of red and double image


I had same problem. First went in tomenu and went to set up settings and went to convergence area. I then reset this back to default, which I later was told I should have not done so do not attempt this it will temporarily fix issue but problem will persisit.
I found a local tv repair man thru tvrepairguy.com or something like that as they are hard to find.
The issue turned out to be the convergence boards or circuits, He then went in to master control and rset the convergence settings for the main picture by lining up the red and blue lines on to a white cross on the screen until it is black and white with no red or blue protruding vertically or laterally. He then did this for 7 points around center picture moving the lines. He suggests you play with this for awhile in a position you would normally sit in and at proper eye level to give you the truest picture for alignment. The part cost 109 to replace with labor and service total was 331. The repairman was very nice and explained the issue should be fixed and we should get another 6 to 7 years out of television.
Hope this helps,

Dec 04, 2008 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

Sony kf60xbr800 need to set the convergence?


Use the sony remote to pull up the menue for the tv and then find the convergence menue and try to adjust it there. Most likly it will not adjust and the circuit is bad. This will cost somewhere around $300-$500 to have a repair man fix. It is not common for convergence to go out for no reason.

Sep 10, 2008 | Televison & Video

1 Answer

Red is out of convergence


I would stay away from that repair man. That model has just one Convergence IC number STK393-110 and it takes about 45 minutes from start to finish to remove the old IC and install the new one. You can get the replacement IC at the following link and they provide free instalation instructions with pictures so you can do the repair yourself for less than 30.00. Heres the link. You need just 1 STK393-110 Convergence IC they have free shipping as well.
http://servicemanuals.vstore.ca/

Jun 19, 2008 | Toshiba 42H81 42" Rear Projection...

1 Answer

Hitachi 53SWX12B Convergence Problem and blinking light


Im thinking your convergence chips is causing all of your problems
but here's the fix to the convergence:
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Dec 04, 2007 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Convergence without a remote


First off, you do need the original remote to adjust the convergence, Second, the service mode will not fix your problem. If the colors have all drifted, you have a problem in the convergence drive circuit. Most likely the convergence IC's are bad or going bad. The service menu is not a fix all for the problems with the convergence. The service mode will or can make minor convergence adjustments,not anything where all the colors are off. If you have no solid state repair experience, call out a service person to assist you in this repair. Good Luck

Oct 15, 2007 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Hitachi 53SBX59b Rear projection TV out of convergence


from you bought the tv and notice that it has that stain on the edge you should have taken it back as it was covered under warranty.now it is getting worse it will cost you to get it fix your tv has a factory defect.you will have to call the repair man to fix your tv.good luck.

Apr 26, 2007 | Hitachi 53SBX59B 53" Rear Projection...

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