Question about JVC AV-56WP74 56" Rear Projection HDTV-Ready Television

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Blue shadow across my screen

I own the JVC AV-48WP30 and I dont know what to do. Is there a bulb that needs to be replaced? Can I fix this probem myself? A bluelight/shadow glares across the top 3/4 of the screen and goes all the way from left to right.
Any ideas???

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  • Teddy R Mar 08, 2008


    1. I have the same issue with my JVC AV-56Wp74 rear projection. It was new in 2003. Just a month ago the picture had this blue wave from the left to right side at the top. The words get double imposed also. I have talked to a tv repair shop and they are giving me a price of $250-325. I was hoping I could buy the parts/board and do it my self. What is your thoughts.

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Go into the convergence function from the menu and see if it works. If it does not then the convergence board has a problem. JVC still sells the part.

Posted on Feb 26, 2008

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1 Answer

Blue & yellow in the picture across the screen


It sounds like your alignment is off, there should be a switch in the front panel that turns on a crosshair looking display, then use the dials to move red and green onto the blue lines. this should fix the problem

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If you know how to solder, I would suggest to just replace the STK ICs and some of the low value resistors. If you do not how to solder replacing the entire board is the way to to get the TV fix. You might still need to adjust the convergence after the board replacement.
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My jvc model # av-48wp30 tv has a blue shadow


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Ur convergence are dead.Must know how to solders?Have solder iron,solders,solder wicks?Must replace 2 STK convergence IC,and some or all it resistors.Tries websites to buy a convergence kit at Tv repair Wolrd.com,Tvrepairkits.com to repair it ur sself.The shop will cost $300 for parts and labors.

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

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You probly have a convergence cicuit failure. Replacing the convergencr IC's will probly fix it.
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Jun 02, 2008 | JVC AV-48WP30 48" Rear Projection...

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There are two convergence IC's that are bad and need to be replaced, as this happens to almost every rear projectionj set ever made. They are stand up IC's , on a heatsink and they start with STK. They are soldered into place and this set has no user replaceable parts inside of it. If you have no solid state repair experience, you really should call out a trained tech to assist you in this repair. A TV set is no place to be diggin and experimenting inside of.

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