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Our Sansung 40in. TV screen has vertical and hozintal lines

If you hit the TV the lines  go away and a picture returns; only to have the line appear again and we  go to the process of hitting the TV inorder to have the picture return

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This is indicative of some poor/broken solders on the board or loose wiring. If you are experienced in electronics/tv repair, open the TV and inspect the main board for faulty soldering and redo the same. I would first check the connections on the horizontal amp, and the surrounding caps and resistors..

However, if you do not experience in this type of work, I recommend calling a repairman, as there are voltages in the TV that can kill, even when unplugged.

All the best!

Posted on Nov 15, 2008

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Posted on Jan 02, 2017

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Why does it have vertical lines and no picture?


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

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Have NEC LCD 40 inch tv which now has no sound or picture with coloured lines down he screen, is it fixable or has screen given up??


Hi,

Uh-Oh....Vertical lines, NO PICTURE. That is NOT good.

Did your TV get hit or fall over?

The LCD panel is actually broken.

If you had a picture on it, it would still be a bad LCD panel, but when you get lines and no picture, it means the row/column bus has been severed somewhere.

The downside is the LCD panel will cost the same or more than the TV set.

I wish i could have a better solution.

Let em know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

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Get into the TV menu and locate the H (Horizontal) and V (Vertical) picture options. . .increase the V until line at the top is gone.

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Hi, your are experiencing the first stages of a light engine burn out. it will fail soon. i recommend replacing the light engine asap.

Samsung Part Number: BP96-00822F---$895.00

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the vertical blue lines indicate some interference from other electronic gadgets near your tv. it started showing up on my sony grand wega when i installed my wireless modem. i almost ordered a new rear projection lamp costing over $100 but decided to experiment. i first moved my desk computer farther away from the tv then isolated the wireless modem router by placing it inside a small glass - the vertical blue lines became lighter in color so i dedided to find another small glass that fit inside the first glass container then put the router in the double glass - no more blue lines and my wireless modem router still works.
do some deductive thinking to figure out what's messing up your tv and isolate the interference.
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Hi,
    According to the symptoms, There is a problem in vertical out section.Just check it there must be a capacitor that has been burst or leak.And second one reason could be the malfunctioning of vertical IC.Which is also in the vertical section.

Thanks for using fixya.

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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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Bring up the on screen menu if you see the lines in front of the menu replace the DMD board.

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Picture displaced vertically, picture too high or low
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Replace L506 on A board, replacement part number 1-407-366-00

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