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

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Jvc 56wp30 my convergence across the middle and bottom are good, but will not line up on top. the crosshair seems to freeze. Problem 2, too much green. i can access the service menu, but the codes are foreign to me, i need some sort of guide.

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1st guess is bad convergence ic-either IC804 or IC805. Both are part #STK392-110. May be bad connections in convergence circuit, or open resistor(s) As for too much green, not sure, shouldn't be because of convergenece circuit, possibly green CRT screen voltage needs adjustment.

Posted on Dec 22, 2006

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Hi i have a jvc tv model av-56wp30 it has a red line in the corner of the tv what seem to be the problem and will it cost me alot of money to fix?


Ur tv have a problems known as a convergence problems,it dead.The tv have colors lines R,B,G mis alignments,have colors shadows pictures or 3D picture look alike?The tv convergence board it is dead.The tv convergence board,must require repalcing 2 STK convergence ICS and some or all of it resistors too.The tv convergence board is fix,will solved ur tv picture convergence problems.The shop,will cost u like $300-350 for parts and labors.

Dec 04, 2010 | JVC AV-56WP30 56" Rear Projection...

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Mitsubishi WS55859, was getting 2 and 2 blink, replaced the pico fuses and convergence chip - 3 times, each fix worked better than the next but evenually failed - now have it working, trying to adjust...


The most likely cause is shorted convergence chips and possibly a few pico fuses.

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 a convergenece repair kit with instructions from the links 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

You can see some more examples and find a fix herebb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Oct 07, 2009 | Mitsubishi WS-55859 55" Rear Projection...

1 Answer

Convergence is off on jvc av-56wp30


You will need to install a convergence repair kit which contains two Convergence ICs STK392-110 and then the associated resistors as usually a JVC will Need at least 1 or 2 of the resistors when the ICs fail. You can get the kit for your model at the following link which has the IC and all the resistors plus step by step detailed instructions on how to do the repair. This kit fits your model JVC
http://servicemanuals.vstore.ca/product_info.php/pName/av48wp30-convergence-repair-kit/cName/convergence-repair-kits

Jun 18, 2009 | JVC AV-56WP30 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

My jvc tv model av-56wp30 has a big way line across the top


You have a CRT TV
CRT's get dim with AGE. This is normal.
Your TV is getting old.
NO fix. Get a new TV

Mar 24, 2009 | JVC AV-56WP30 56" Rear Projection...

1 Answer

PT47WX52F Convergence problem, 3-d look, green worse


So you are able to adjust? the crosshairs move left and right up and down. you might have to get a tech to adust it in service mode.

Feb 24, 2008 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

Blue horizontal line


Hi Brian,
Sounds as though you have a bad convergence chip ( there are two convergence chips on the board ). I suggest you change both and apply lots of heat silacon grease. Good Luck
Ed
NC Electronic
Mills, Wyoming

Jan 06, 2008 | JVC AV-56WP30 56" Rear Projection...

1 Answer

Tv screen waves and is double


No. You have bad convergence output ic;s and probably at least 1 burnt resistor. This liely will have to be reconvergec in the servcie menu after the aprts are changed.

Jul 12, 2007 | JVC AV-56WP30 56" Rear Projection...

1 Answer

Convergence off. Repairman said IC and one resistor bad. I am certified for soldering boards. I just finished replacing these parts he listed on my reciept. He also said adjust.. How do I adjust the...


Get the remote and go to Menu and go to Initial Set-up and click on the convergence button. You will then be able to line up the pluses in the middle of each color. When they are lined up you are ready to go.

Sep 24, 2006 | JVC AV-56WP30 56" Rear Projection...

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