Question about LG MZ-42PZ44 42 in. EDTV-Ready Plasma Television

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Black lines on screen

When my screen is on i have two black lines right down the screen sometimes they go away but they always come back to best describe them they mind you of a video test signal cheers

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  • Lgdude Aug 16, 2008

    I have similar problem, black vertical lines and they're getting thicker. Can I replace something to fix it?

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Have a look at my 'I broke the glass post'

Posted on Jun 06, 2008

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New pcb board put in spent over £300 on a new PCB board.

Posted on Jan 21, 2008

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1 Answer

So I have a 50 Lg ( LG 50LN5700). There is still a picture however about every 3 seconds it goes from regular to blurry and repeats. There seem to be about 3 black lines across the top horizontally about 3...


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.

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Why are there vertical mirrored bars on my plasma television?


your screen may require recalibration, only a certified tech can do this, properly, with the appropriate tools

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Westinghouse L2210NW Monitor Problem My screen is very bright and i believe it to be a hardware issue.(I've tried other monitors on my computer) I have the brightness set to the absolute min and its...


The black splotch your describing sounds very much like something failed on the board and burned the board so now that is a carbon patch that can conduct electric current. With that in mind, I would suggest replacing the board definately

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1 Answer

Shut down with ''ckdsk scan to run on next reboot''. Now it runs the black screen and the windows screen pops up and shuts down right away. It goes back to the black start up screnn and repeats forever.


Your HD's probably bought it, but you can always try to read from it later after you reinstall to a new hard drive or drive array (striped SATA is fast!)

Aug 06, 2009 | Computers & Internet

1 Answer

Sony kv35s66: No picture, just sound and red blinking


This should be a quick fix. Try resoldering the vertical IC. This is a small flat IC attached to a heat sink with about 11 pins. It should be marked LA7837 or something similar. That should resolve the problem.

Keep us posted.
Dan

Sep 08, 2008 | Televison & Video

1 Answer

42" plasma screen


It seams blanking section problem or you placed UPS,SPEAKER or any electric equepment near it.

Feb 23, 2008 | Computers & Internet

1 Answer

Sony kv35s66: No picture, just sound and red blinking


The most common problem (I have fixed lots) is the Vertical amplifier has developed a loose connection. It probably just needs resoldering. As things expand it makes and looses connection you picture goes in and out. The vertical chip is a large black chip that gets hot, over time it degrades the solder until a connection is damaged. Most newer sets have a protection circuit that senses the lack of height, and shuts down the picture tube to save it. When the picture dropped to a line on older TVs and left that way too long it would burn a line into the face of the picture tube. You then had to have the picture tube replaced along with the vertical amp. it's kinda like a screensaver for your TV.

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2 Answers

LCD monitor problem


what is the solution for this? my husband just turned his pc on when we got home and there are line blue lines running up n down in the black

Oct 11, 2007 | Computers & Internet

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