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

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JVC 48WP74 HDTC rear projection

The green color goes in and out on my TV. I talked with a couple of repair people and they say that JVC usually does not have issues with tubes. The the green color is blueish in my tv and the majority color is red. It will come in good sometimes and then not. Before it changes while i am watching the picture flickers and the goes majority redish.

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  • preshuzt Aug 12, 2008

    I have a problem with my 61' JVC. The color fades in and out and the sound is completely gone... I had a tv repair man come to my house and he took the red,green,and blue color packs with him. He said that he has to replace them first then fix the sound problem later... What do you think?



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While it is true JVC tubes rarely fail, they can give trouble.
Another possible solution is bad screen / focus block......
Remove lower front grill panel and access board...Check for
smooth adjustment of RGB screen and focus.....let me know....T..

Posted on Nov 03, 2007

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2 Answers

MY JVC TV SHOW GREEN RED AND BLUE


Thats caused by the convergence ICs and low ohm resistors. Very common problem with all rear projections. You can get the JVC convergence repair kit for your model from www.tvrepairworld.com the kit contains the ICs, Resistors and the CD with repair instructions.

Jun 16, 2011 | JVC AV-48WP74 48" Rear Projection...

1 Answer

I have a JVC AV-48WP74 48 in. Rear Projection


Must know basic soldering and have tools like soldering iron,a desoldering pump or desoldering witchs to replaced parts on the tv convergencce board.U have none of these tools devices and never solder bsfore,better hire the tv tech. to do the job.Cost estimate 300-350 for parts and labors.Tries wesite like Tvrepairworld.com,Tvrepairkits.com to buy a whole convergence kit,to do it ur self,if u can?

Jul 25, 2010 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Jvc AV-48WP74 i no its a convergen issue but..


you can get the convergence repair kit at the following link which usually fixes that issue. The kit contains the parts and detailed instructions on CD of how to do the repair.
http://www.tvrepairkits.net/

Jul 07, 2009 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Red shadow on all images


you will need to cahnge the Convergence Ics for sure and possibly the feed resistors. You will need two STK392-110 Convergence ICs and 1 JVC convergence resistor Kit #1 you can get the parts at the following link with free installation instructions with pictures. Heres the link.
http://servicemanuals.vstore.ca/

Jan 22, 2009 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Jvc floor model Tv


I have a 54inch jvc floor model with no sound and it will show a picture then the picture goes out and power button flashes red, can this problem be fixed

Jun 06, 2008 | JVC AV-48WP74 48" Rear Projection...

1 Answer

JVC AV-48WP74 only has green color


Have a shop look at it. you cant fix it at home. really.

Feb 21, 2008 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Jvc av-48wp74 48 in.rear


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-48WP74 48" Rear Projection...

1 Answer

Color convergence


RICKY-SOUNDS LIKE THE USUAL CONVERGENCE IC FAILURE.TRY LOOKING IN W/BACK OFF TV AND YOU'LL SEE COUPLE OF STK392-??? IC CHIPS,LOCATED ON A BIG METAL HEAT SINK.RETRIEVE THE EXACT PART # AND YOU CAN ORDER THEM AND INSTALL THEM YOURSELF IF YOU ARE GOOD AT SOLDERING ELECTRONIC PARTS,IF NOT BEST BET IS CALL AN EXPERIENCED JVC TECH.JOE TV

Nov 27, 2007 | JVC AV-48WP74 48" Rear Projection...

1 Answer

I have the JVC AV-48wp74


ok! you have defctive convergence correction circuit! thats why the color is abnormally function!

Oct 21, 2007 | JVC AV-48WP74 48" Rear Projection...

3 Answers

JVC MODEL # AV-48WP74 48 IN. BIGSCREEN TV.


I had a problem with my TV colors not lining up. One day I turned it on and the green was out of wack. I checked this message board and replaced the STK chips, bad soldering and all led to me just giving up on that and buying a whole new Convergence Board ($185). I just plugged this in and though now my Green lines up okay, my red is out of whack. Is there something I am doing wrong? Can anyone help me? Did i miss a step? Frustrated......Bruce

Jul 29, 2007 | JVC AV-48WP74 48" Rear Projection...

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