JVC AV-56WP74 56" Rear Projection HDTV-Ready Television Logo

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AV-56WP74 the convergence is off. blue is way out!

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Sonny Berry

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You will need to replace the Convergence ICs and resistors you can get the JVC repair kit called the AV48WP74-65WP74 convergence repair kit from www.tvrepairworld.com which contains the ICs , resistors and the CD with instructions,

Posted on Sep 23, 2010

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Someone offered me a jvc hdtv av-56wp74,and one person said just the bulb in the lamp has to be replaced;then when called jvc they said i had to by colored tubes for 300.00 each,,,,who do i believe

The tubes rarely fail in this model so it may be a convergence issue instead. Once quick test is to goto your convergence menu and see if you can adjust red and blue. If not its has failed and needs to be fixed.

Here is an example video


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Blue lines

Hi, convergence amps have failed, your going to need a tech for that repair, involves un--soldering and re-installing parts as well as an alignment, hope this helps, video-tek
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Need service manual...please

you can get your manual here http://www.online-owners-manual.com/av-56wp74-ha-jvc.html
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JVC I'Art AV-56wp74

A repair facility will charge 400 to 600.00 for the repair. Or you can repair it yourself if you can solder. As both convergence ICs need to be replaced. They are STK392-110 you can get replacement ICs at the following link with free instalation instructions with pictures so you can do the repair yourself. Heres the link.
http://servicemanuals.vstore.ca/
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Convergence module

That 's actually a very reasonable price for a convergence board replacement in that TV. You can expect elsewhere to be double that or more. Unless you know electronics in TVs I don't advise trying to repair it yourself.

C-Dog
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Blue Shadow on my AV-56WP74 56 in JVC

http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
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Convergence problem

sounds like convergence amps bad
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2answers

JVC AV-56WP74 Problem

Yes, one of your convergence IC's have gone bad. They are located on the convergence board inside the tv and there are two of them. They are inexpensive and easy to replace if you know how to solder. Watch out for the JVC booby trap sensor on the dvi input card. Don't run the tv with the back panel off unless you have disconnected the DVI card from the main board. I would even cover the little sensor with black electrical tape. Then it is safe to work on the tv when it's open and on. Well safe for those who know what they are doing.
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Double vision On JVC AV-56WP74 56

You have an convergence problem, There are 2 IC's that go bad and a few resisters that can change value. If you flip the board with the Chips inspect the pins for cold solder joints. The IC's can be purchased from matelectronics
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