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

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JVC AV-48WP30 48 in. Rear... Problem

Hello,
My tv just started acting up yesterday and I try to adjust the colors and I still see images of different colors on my screen, can you tell me what is it?

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  • 51 Answers

Your convergence I.C's ( integrated circuits ) Have failed. Replace Both I.C's with Stk392-150's. The unit is equipped with 110's. These are large IC's pn the convergence board located near the front of the unit. You need soldering/desoldering experience to do this job. I would recommend seeking professional assistance.

Posted on Jun 04, 2008

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Hey eel the picture on the tv is like a three d image and can't seem to fix the problem and well I think that it is to do with the projecting please help? But I've done all I can.


It sounds like it is probably a convergence problem. Is the second image a different color? Did it go out suddenly? If so you'll want to take it in for repairs because a component has croaked on you. This will require replacing parts and going through a tedious adjustment. If it is only slightly out there should be an adjustment in your menu. Good luck.

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What do you mean jumping, or does the picture look like it is in 3-D?

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I have the AV-27S33 model and in the rear to the right of the inputs are two slits and inside these slits are two screws. The top screw is the focus,the bottom the brightness.Your tv is a different model but it may have this same adjustment,if it does try turning the bottom screw to the right to increase the brightness.

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JVC AV-56WP74 Colors quit working or went out of balance.


Guns or CRT are probably ok. Your TV needs a convergence IC STK392-120 replacement. Lamp are used on LCD and DLP rear projection TV's. Color wheel are for DLP's. :)

Dec 26, 2009 | JVC Televison & Video

1 Answer

Hello, my picture has what looks like 2 or 3 different out lines to the image. The red appears to definitely be off. Any advice?


yes its the convergence board. you can try to adjust this from the tools menu, but it unlikely you will get much improvement The board needs replacing

Aug 19, 2009 | JVC AV-56WP74 56" Rear Projection...

1 Answer

JVC-AV48WPT74 picture colors are distorted, looks like 3-D image


The convergence ICs and feed resistors need to be replaced. You can get the repair kit for your specific model at the following link. The convergence repair kit contains the replacement parts and the step by step repair proceedure on CD. Very easy repair. Just look under the JVC repair kit category
http://www.tvrepairworld.com/

Jul 12, 2009 | JVC AV-48WP74 48" Rear Projection...

1 Answer

TV PROBLEMS


If the images are different colors (red,green,blue) then the convergence has diverged. Some TV allow re-convergence through the menu screen, older sets my need to be physically adjusted (aimed) to clear this up. a strong knock to the TV may have cause this.

Apr 21, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

I'art color problems


Try using the convergence manualy and adjust each box. Manualy adjust red inside tv,or new bulb.

Apr 08, 2008 | JVC AV-56WP74 56" 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...

2 Answers

JVC tv AV-27D304


Roger, if your contrast (sometimes called picture) and brightness controls are at max you can increase the tubes brightness by turning the "screen control" clockwise, be advised a little turn goes a long ways, don`t crank it too far or you will get retrace lines, you will have to remove the back from the set and follow the red wire down from the tube to the "flyback transformer" on the front of the flyback are 2 controls, focus and screen, do not move the focus control, this should fix your problem.

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