Question about JVC AV-48WP30 48" Rear Projection Television

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JVC 48WP30 Blue Convergence will not move left or right

I can move it up and down, but cannot move left or right. This is causing a blue tint on the right side of the screen. The green and red are okay, but blue is off.

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Install the convergence repair kit for your model. You can get the kit from www.tvrepairworld.com the kit contains the two IC associated resistors and the CD with instructions.

Posted on Jun 05, 2010

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Posted on Jan 02, 2017

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1 Answer

The convergence fo the blue color is lock on my JVC TC


The blue is not locked it is set. It does not move, the other 2 colors, red and green, are supposed to align with blue.

Sep 17, 2011 | JVC AV-48WP30 48" Rear Projection...

1 Answer

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

The blue crosses are too far right of center to adjust


you will need to install a convergence repair kit. You can get the convergence repair kit for your model at www.tvrepairworld.com which also contains the CD with step by step instructions for the repair.

Mar 28, 2010 | JVC AV-48WP30 48" Rear Projection...

1 Answer

On our JVC AV-48WP30 48in, red shadows


some how the convergence ckt went bad,common problem to pj televisions.

Mar 19, 2010 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Color convergence drops on left side


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.

Mar 13, 2009 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Convergence issue with blue


You need to replace the convergence Ics located up front behind the speaker grille numbers STK392-110 you can get replacements at the following link and they provide free tech support and instalation instructions with pictures. heres the link.
http://servicemanuals.vstore.ca/

May 06, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Convergance problem


Your convergence IC's are bad and maybe a few of the supply resistors. Not an expensive repair but definantly something you would want a technician to do for you. Hope this helps.

Mar 23, 2008 | JVC AV-48WP30 48" Rear Projection...

1 Answer

JVC AV-48WP30 48 in. convergence


Imagine 2,4,6,8 like a joystick. Press 2 to move the spot to the left, 4 to the right, 8 down etc. To change the color press select. If is not moving you got hardware malfunction.

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

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