Question about JVC HD-52G786 52" Rear Projection HDTV

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The tv displays 3 screens and each one in different colors

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The tv have a problems known as a convergence problems,it dead.The tv have colors lines R,G,B mis alignment,have colors shadows pictures or 3D pictures look alike.The tv convergence board have 2 STK convergence and some or all of it resistors are dead.These parts on the tv convergence board,must be replaced to solved the tv picture convergence problems.The shop,will cost u $300-350 for parts and labors.

Posted on Nov 08, 2010

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1 Answer

How much does picture tube for 42 inch flat screen Sanyo TV cost


There is no picture tube in a modern flat screen TV.
And unless it's physically broken, it's usually something else that has failed and not the screen.
A picture tube is a CRT (cathode ray tube) that sends electrons from the back to the front to light up different color phosphorous dots.
A modern flat screen TV on the other hand is LCD (liquid crystal display) that turns on and off to allow backlighting through multi colored filters. (LED TV also uses a LCD screen, the only difference is the backlighting is LED and not fluorescent lamps.)

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1 Answer

There is a horizontal line halfway 3/4 across the screen, it's not black it's just a different color.


If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

May 14, 2016 | Vizio E500i-B1 50-Inch 1080p Smart LED...

1 Answer

Why does picture have lines of different colors?


Common easy LCD TV fix: bad picture screen rainbow colors

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LCD Display Symptoms and causes. - YouTube

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With LCD TVs you can have the same display problems fordifferent ... Fix for Samsung lcd TV colour display problem - Duration: 1:26. by alwaysafix 462,823 views. 1:26. Sanyo LCD with Distorted Half Picture Lines Waves Distortion ... HOW TO FIX LED TV VERTICAL LINES ON SCREEN 55" MODEL LG ...

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Dec 11, 2015 | Sharp Televison & Video

1 Answer

Polaroid TLX-04011C 40" TV Flickering Screen


That problem with ur panel. you can do nothing about it ..


repairtv ca

Jan 15, 2014 | Televison & Video

1 Answer

I have a hitachi 50c20 tv and it has a red tint/hue across the whole screen


Are you using component cables into the TV? It sounds like one of the 3 video cables may have come out saturating the red colors. Check your cabling int he back of the TV, see if you remove 1 by one if that changes the colors. Each cable on its own should have a picture with either red green or blue colors. If any of them are missing the picture then the colors will get messed up when all 3 are plugged in. If you are not using component cables then check the color settings on your TV. Somewhere int he menu of the television you should have something like picture display settings that let you adjust the colors. Check and make sure that the reds are not over configured or the others are not set too low. You may also want to check that your source is proper as well. Check that other sources look okay or if it is with all different connectors/sources that the issue occurs on.

Oct 15, 2013 | Televison & Video

1 Answer

Playstation 3 turns on but does not show on screen


There could be a few different things causing this. If you are sure that the cables are all hooked up properly and the TV is on the correct input, I'll make some suggestions. The simplest solution could be that the ps3 is outputting a signal that your tv can't display. The way to reset this is to hold the power button (not the rocker switch in the back but the button next to the eject button) for 5 seconds or so. You should hear 2 beeps. This will reset the display settings. If this doesn't do the trick and you have the ability, try a different cable. Try the ps3 on a different tv as well. It could be that the TV may need a firmware upgrade.

If all else fails you can always call Sony PS support at

1800345SONY

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Jun 28, 2011 | Sony Playstation 3 (PS3) Console

1 Answer

My dell latitude D830 display colors have faded.An


I would check your graphics card control panel. You may have (or someone else) set the contrast or some other setting to low or high. If you are using nvidia you can run the optimization wizard.

Mar 12, 2009 | Dell Latitude D830 Notebook

1 Answer

Screen is starting to look as if it has double vision


rear projection is just that usually 3 projectors overlayed ontop of each other each in a different color. one or more of your projectors needs to be aligned, there is an option in the set up to do this manually where x's or +'s are displayed in the different colors and you need to move them so they are all overlayed ontop of each other. then when a picture of a person is projected you should only see one of them. how to get to that set up screen to preform the alighnment will differ from brand and model but all projection tvs have this some have a program to do it automatically. this works great when the tv is new but as they age manually adjusting is better nothing is as delicate as the human touch.

Jan 05, 2009 | Hitachi Televison & Video

1 Answer

Red color appears missing from display


Push your red component cable firmly in the tv and the cablebox and you will be good to go.

Thanks
Josh

Mar 23, 2008 | Akai LCT3785TA 37 in. LCD HDTV

1 Answer

Vertical Lines / Color Differences at edge of Analog vs HD Picture


EXACTLY-YOU HAVE THE USUAL "AGING" CRT PICTURE.THIS WILL ALWAYS HAPPEN WHEN YOU WATCH THE TV W/BLACK BARS ON THE SIDE,THERE IS NOTHING SHORT OF ALL 3 CRTS' REPLACEMENT TO FIX IT. JOE TV

Oct 31, 2007 | Mitsubishi WS-55819 55" Rear Projection...

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