Question about JVC AV-56WP30 56" Rear Projection Television

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I have a jvc av-48wp30 rear projection widescreen

I changed the convergence chips, and now when i go into the menu it is all green, i choose the convergence menu and everything is green can you please help.


thank you
gilbert

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  • sleepygil12 Feb 01, 2008

    yes, everything is fine, it is weird because i have a beautiful picture looks like all the colors are aligned but when i go into the menu, the menu is green everything surrounding is fine, i go into convergence and every thing is green

  • sleepygil12 Feb 01, 2008

    DISCONECTED THEN RECONNECTED THE CONVEGENCE BOARD. NOW THERE IS BLUE AND GREEN IN THE MENU BUT STILL MISSING RED. ANY IDEAS?

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  • Master
  • 4,402 Answers

Check your soldering and make sure all the pins are soldered and you don't have any solder bridges.
have you checked the resisters?

Posted on Jan 31, 2008

  • Cary Farah
    Cary Farah Feb 01, 2008

    have you check the resisters?
    trace the wires back from the red crt and make sure they aare plugged in.

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My JVC projection television AV-48WP30 has green and red streaks at the top with one long blue streak going across the screen. I tried everything that I could to fix it by the tv and remote and it still...


Your TV most likely has one of two possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.


Problem #2 CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

65af323.jpg

2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc

Dec 22, 2010 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Jvc av-48wp30 blue to align convergence


Tv colors R,G,B don't alignment any colors.Tv have a convergence problems,it dead.Tv convergence board require changes 2 STK convergence ICS and some or all it resitors to solved convergence problems.The shop will cost u $300-350 for parts and labors.

Jul 11, 2010 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Have a JVC AV-48WP30 rear projection tv set and the green seems to be out of place. the green image is lower than the others and is in a wave shape on top of screen and bottom.When I adjust the convergence...


Your convergence IC's are bad. If your not doing the work it will probably cost in the neighbor hood of $250.00 for a service company to do. Not a major repair.

Nov 03, 2009 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Red and green vertical lines through television. tried to line up crosses in convergence option under menu with no luck.


Ur convergence is dead,buy the convergence kit,use what in that kit.U know how to solder right?Tries these Websites Tv Repair World.com or Ebay.com.

Sep 30, 2009 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Av-48wp30


check for loose connections on convergence amp ic and crt boards
Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929

Jan 27, 2008 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Lost sound on JVC TV


http://www.amazon.com/JVC-AV-48WP30-Widescreen-HDTV-Ready-Rear-Projection/dp/B000066R7X

Cut and paste this link. Amazon's page has a link to the JVC manual. That'll tell you what you need to know

Jan 21, 2008 | JVC AV-48WP30 48" Rear Projection...

1 Answer

JVC AV-48WP34


Have you got the cable connected properly and attempted a consumer convergence in the menu? If you've attempted that and are still having the issue there may be other components on the Conv Module that have failed.

Jun 07, 2007 | JVC AV-48WP30 48" Rear Projection...

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