What is wrong with my Lg tv with black horizontal lines and thick black vertical swirl on screen?

The cable is either bad or the cable has not been securely full connected to the input and the output ports can have loose connections and can cause the signal and have horizontal or vertical lines to show up on the TVs screen. The cable will need replacement.

To clarify, are the 3 black lines horizontal (left to right across entire width of screen)? or are the 3 black lines vertical (top to bottom across entire height of screen)?

Horizontal lines are almost always the result of a failed panel, and no board replacement will fix the issue.

Vertical lines such as you have described (only 3) are probably also a bad panel. If the black lines were evenly spaced in a repeating pattern, it could be a mainboard or TCONN board.

Has this panel been cracked? or perhaps cleaned recently with too much water or cleaning solvent that has gotten the screen wet?

You may have to sell the TV for parts.

Black square on the screen Vizio Gallevia 47" 1080p - Fixya

www.fixya.com/support/t355299-black_square_screen_vizio_gallevia_47

Jan 16, 2008 - Black square sized app. 10"x10" pops up on the bottom right corner of the screen and won't go away. .... Model 42LG70. Why is nothing on screen except for horizontal green and pink pixel line? I am looking at replacing the ...

bad screens display vertical lines with a white background ...

https://www.ifixit.com/.../bad+screens+display+vertical+lines+with+...

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Broken LG LCD TV Capacitor Black Screen My Wont Turn ...

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https://www.youtube.com/watch?v=EbGiXqBAvvo
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Broken LG LCD TV Capacitor Black Screen My Wont Turn On ...How I fixed my LG TV, Won't turn on or show picture Model: LG42LC7D ...Missing: horizontal ‎pink ‎pixel ‎line

Thin vertical lines cover screen on Samsung LCD - AVS Forum ' Home ...

www.avsforum.com/.../1127410-thin-vertical-lines-cover-screen-samsun...

Mar 7, 2009 - 30 posts - ‎25 authors
Hi guys, Ive had this TV for about a year now - all of a sudden thin vertical lines havecovered my screen (show in link below) No matter what ...Missing: 40bx421

TV Repair Help for Vertical & Horizontal Lines on Your TV ...

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https://www.youtube.com/watch?v=b0sI7LB4cZE
Apr 25, 2014 - Uploaded by ShopJimmy.com
TV Repair help with troubleshooting lines on your TV Screen. ... hi i have a sony bravia mdel # KDL46EX523. i have horizontal multi colored lines ... My TV has the following symptoms: - Horizontal lines from top to bottom of .... thick(like 1-1/12 inch) and a couple of green vertical lines next to the black one.Missing: kdl ‎40bx421

Flat Screen TV Has Lines Going Through Screen - Possible ...

You have a bad panel. Will be cheaper to buy a new TV than to replace panel.

Pixels on a plasma TV are from the zustain boards. You might have one or both of them about to go out. Horizontal lines are most likelly one of your buffers or the screen itself might be going bad. You can buy the sustain boards by part number that you can get from the board itself from www.interliquidparts.com

Hi I have a LG RZ42px11 there are 6 vertical thick black lines running down the middle off the screen, when cold the TV seems OK but if it has been on for around 10mins or on standby the lines stay on screen.

Thanks.


Douglas.

if this line is in the picture, that is possible burn in screen. if you have a black bar at the top or faint white lines that come down from top this is caused by defective filters in vertical circuit or bad vertical output. mch

Loose connections in the AV board. Re solder . Did you try in video 2 or 3 ?....But Am suggested re solder AV board and connectors. I hope this help you I am here any time thank you!!!

Hello Falken94,

Your TV is losing what is called vertical deflection. This might be caused by the vertical coupling capacitor going bad, or by the vertical deflection coil on the yoke transformer going bad. In any case there is not enough vertical deflection signal getting for the vertical output section of your TV to the vertical coils on the yoke transformer. I would suggest that you get this looked at by a qualified TV technician, due to the nature of this problem.

I hope this helps,
Thank you,
Shuttle83