Question about JVC AV-48WP74 48" Rear Projection HDTV-Ready Television

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JVC AV-48WP74 48 IN

My TV has a red shadow or a double red vision. I see that other people have the same problem. What part do I need? Is it the same as the 56 IN? STK 392-110? Do I need two or just one?

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  • zerp Jun 23, 2008

    Where is the bad part on the TV located?

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  • JVC Master
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You will need two STK 392-110 ICs. They are located in the front of the TV. remove the speaker grille and then the small access panel and you will see the convergence board it has two Black heat sinks the ICs are mounted there. You can get replacement ICs with free shipping and free instalation instructions at the following Link.
http://servicemanuals.vstore.ca/

Posted on Jun 23, 2008

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1 Answer

Looks like 3D Picture


You probly have a convergence cicuit failure. Replacing the convergencr IC's will probly fix it.
I recommend a professional repairman to
do it though. Particularly if it needs further adjustments after the IC's are replaced.

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Blurred TV - double vision with red hue


I was searching online about what could be the problem with our TV and I came across your page. We have a 52" JVC Projection TV that now has a "blurred" screen. We can see the channels but it looks like it's has a shadow around the images. The screen in in a red hue with green blur.

If you have any suggestions on what caused this and what we can do to have this fixed, I would greatly appreciate your advice.

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Suddenly, the screen shows double images on letters and numbers plus red/greenish like shadows on characters.


Youre convergence Ics need to be replaced. post the model number of your set and I will post the STK number that you need and a link where you can get new replacement ICs

May 25, 2008 | JVC AV-48WP30 48" Rear Projection...

1 Answer

TV PROBLEMS


If the images are different colors (red,green,blue) then the convergence has diverged. Some TV allow re-convergence through the menu screen, older sets my need to be physically adjusted (aimed) to clear this up. a strong knock to the TV may have cause this.

Apr 21, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Jvc tv model no 65wp74


You have a problem in the convergence circuit. Most likely the stk392-110 ics need to be replaced (with stk392-150's or better) and you are likely to have some burned resistors in this circuit as well.

This really is not a repair that an amateur should attempt, although it's pretty straight forward for anyone experienced with repairing big screen sets. Our shop charges about $300-350 for this repair in your home.

Jan 25, 2008 | JVC AV-27D202 27" TV

1 Answer

Jvc av56wp74 rear projection tv


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

Jan 18, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Red lamp gives off ghostly blurr


Red convergence IC is bad...replace both STK IC for durable,
long-lasting repair..............................T.

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1 Answer

Jvc model av-56wp74


Needs convergence IC's replaced..........T.

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1 Answer

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

Jun 17, 2007 | JVC AV-56WP74 56" Rear Projection...

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