Question about Sony BRAVIA KDL-40W3000 40 in. LCD HDTV

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Thin thread from top to bottom on left side of screen.

There is a thin line appearing from top to bottom on left side of screen. I had the cable people out and they said there is aproblem with the TV. Sears will diagnose the problem for 95.00 and also charge for the repair. The tv is 17 months old.

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Before rushing to Services, please do the 'INITIAL RESET' or 'FACTORY SETTINGS' or 'ALL RESET'.
Procedure is MENU/HOME/ WEGA GATE-> SETTINGS-> SET UP -> FACTORY SETTINGS/RESET.

Posted on Jun 22, 2009

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Samsung plasma 42inch 1 month old has got 1 thin blue line 2 thin green lines from top to bottom on left side of screen


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A LINE JUST APPEARED DOWN THE LEFT HAND SIDE OF THE LCD, IT IS BLUE, IT IS A MATSUI 42 INCH LCD ONLY 1 YEAR OLD. IT IS ONLY A THIN LINE BUT GOES FROM THE TOP TO THE BOTTOM OF THE SCREEN.


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I had a similar problem with my LCD screen TV, and to my dismay, my warranty just ran out. A thin red line began to appear on the right side of the screen, and since many online and expert sources pretty much say replace the expensive LCD screen or get a professional to fix it (in which I suspect to be a business plot to get people to go to pricey experts), I decided to look for other possible alternatives. 
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2) While turned off, try jiggling gently all chords connected to the TV (cables, power chords, etc.); you could even try unplugging and replugging the chords/cables. Turn the TV back on and see if the red line disappeared or improve. (This is the one I heard worked for others.)
If the above doesn't work then I'm afraid you do have a bad panel on your screen and will need to call in the experts or get a new TV. I hope this will help. Best Wishes. 

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1 Answer

Thin blue line


I am a Sharp Servicing Technician. You posted this before. Ive got the same model TV as you do LC46D62U. I think the line you are experiencing is simply the broadcast. I notice it on some HD shows that broadcast the side bars. (Always on the Ellen Degeneres Show). Ive taken some picture.

1) Here's the line on the left that i experience
ec62e20.jpg

2) Later on in the broadcast, it goes away.
f7a108d.jpg

One way to check if its a TV problem or not. When the line shows up again, hit the MENU button on the remote. If the line appears to be "behind" the menu, then it is simply the broadcast.
a6f48e8.jpg

If the line appears to be "on top" of the menu or shows right through the menu, then it is a TV problem.

Im thinking the reason it takes hours for hte line to appear is because it only shows up on certain shows or certain HD broadcasts.

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1 Answer

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here's something you can try...remove the back and notice that there are ribbon cables (FRAGILE!) on the right and left side...alot of times these cables develope bad connections and cause the lines you see...other times the panel will be suspect. Removing these ribbon cables and reseating them have helped me determine in the past if it is a bad connection...or a bad panel

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If it goes all the way from top to bottom, you have a bad panel. much to expensive to repair

Aug 10, 2007 | Hitachi 42PD7800 42 in. HD-Ready Plasma...

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