Question about LG 42LC2D 42 in. LCD HDTV

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Screen got black lines across it - LG 42LC2D 42 in. LCD HDTV

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I strongly disagree with expert given info.
LG 42LC2D is LCD tv that does not have all those circuit boards that expert is talking about.
Problem sounds with lcd panel that got black lines, lcd panel will be replaced to fix he tv but it would cost you 80% of new tv price.

Posted on Aug 06, 2010

  • Bud Martin
    Bud Martin Mar 05, 2011

    I agree, I wonder how he cans post such a answer! Proably never really fix LCD flat panel TV before.
    Basic LCD monitor and TV troubleshooting guide: http://www.fixya.com/support/r5093881-lc... http://www.fixya.com/support/r6150077-ba... http://www.fixya.com/support/r7406380-tv...
    Failed TV and Monitors:http://s807.photobucket.com/albums/yy352...
    Learn about bad caps:http://en.wikipedia.org/wiki/Capacitor_p...
    Parts: www.shopjimmy.com
    Capacitors kit: http://lcdalternatives.auctivacommerce.c... he can make you a set of caps.
    Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series

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Across vertically or horizontally... It makes all the dif. It could be 3 boards on the set. The YSUS-main the YBU-upper/YBL-Lower. The Y buffer upper controls the top half of the screen, the Y buffer lower the lower half and the YSUS-main controls those 2 boards. They work in unison, when one goes they all fail. The other possibility is dry solder joints on the the D, G, E, F boards. All you would need to do with that is reheat the solder joints at the ribbon cable conx.

Best Regards and Semper Fi

Posted on Aug 06, 2010

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Posted on Jan 02, 2017

agibbsholden
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SOURCE: A horizontal thin black line has appeared across screen.

hi all .ive had the same problem,a thick black line down screen.sometimes it flickers from top to bottom and other permantly in view.but i have solved it.forget your ic boards and taking apart tv.have you got either a ps3 or wii connected to tv.if so unplug power lead from socket and relocate in seperate socket.make sure the lead is completely free of any other leads and you might just find this works.i think the power lead creates some sort of frequency that the tv picks up .good luck hope it works

Posted on Oct 30, 2010

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SOURCE: phillips plasma tv MDL 42PF9966 Black Line across screen

The ribbon cable to the drive has either came loose of the drive itself went bad. You can open up the back if you are confident and see if adjusting the cable gets the line back. If not you will need to replace the Upper Y Drive.

Thanks
Josh

Posted on Sep 27, 2008

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