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

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JVC AV-48WP30 48 in. convergence

A friend recently came upon this JVC. To look at you would say nice set.Apparently the set was dropped while being moved. All the crt's are on and the picture would be great except for CONVERGENCE. i can get the center X aligned but how do I get to the other X's.Have any suggestions?

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  • migda Dec 11, 2007

    red color colapse

  • Steve Richter Dec 14, 2007

    The info on how to adjust convergence using the number keypad was great. But, why doesn't the green one show up? The green CRT is up and running.

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  • 71 Answers

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.

Posted on Dec 07, 2007

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Posted on Jan 02, 2017

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1 Answer

Whats the part number for convergence chips on jvc av-48wp74


There are two of them that need to be replced as a set. They are both STK392-110 Convergence Ics you can get the original oem Ics from www.tvrepairworld.com they are listed under the Integrated Circuit catagory you only need the one set. They also have the convergence repair kit listed for your model under the JVC repair kits the kit has both ICs all 12 resistors and the CD with step by step repair instructions.

Oct 17, 2012 | JVC AV-48WP74 48" Rear Projection...

1 Answer

My color are dropping down amd there is a doulbe images on the screen


try to adjust your convergence setting in your remote if still does not work replace your convergence ic the one with stk printed its usually 2 to 3 inches with 1 1/2 in height it has many pins and connected to a heat sink.

Oct 19, 2010 | JVC AV-48WP74 48" Rear Projection...

1 Answer

JVC AV-48WP74 convergence


The ICs are most likely defective if the old ones allow the set to power up.

Nov 20, 2009 | JVC AV-48WP74 48" Rear Projection...

1 Answer

I have a JVC AV-56WP74 Rear Projection HDTV Ready Television...I had a problem with the convergence with dual pictures on screen...I replaced the convergence card with 110's.....This fixed the screen...


The STK392-110 are the stock ICs for your JVC. Chances are one or more of the feed resistors are bad. JVC TVs will usually have at least one bad resistor when the original ICs fail

Sep 06, 2009 | JVC AV-56WP74 56" Rear Projection...

1 Answer

JVC AV-56WP30 Convergence Problem


Hi

You have defective convergence correction amplifier IC replace the STK IC...

Thanks!

Jun 12, 2009 | JVC AV-56WP30 56" 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.
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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

Double picture


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Aug 31, 2008 | JVC AV-48WP74 48" Rear Projection...

4 Answers

JVC AV-48WP30 started displaying vertical lines every inch


it looks like theres a wave in the top of my screen on my jvc av-48wp30 not sure but i think it has something to do with the bulbs because the projection mirror wasfine and all wires seemed to be hooked up properly.. can you help? tell me where i can find the bulbs to replace them?

May 13, 2008 | JVC AV-48WP30 48" Rear Projection...

4 Answers

Black pop-up screen when pressing any menu features on remote


check for closed captioning. make sure it's set to off.


C-Dog

Feb 03, 2008 | JVC AV-48WP30 48" Rear Projection...

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