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LG 55 LM 4600 that has no picture other than about a quarter of the screen being darker than the rest and has vertical lines.changed the power board and the t-con board. Video board? Thx!!

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  • LG Expert
  • 264 Answers

Sorry, the LCD display panel is bad.

Posted on Apr 24, 2017

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Posted on Jan 02, 2017

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SOURCE: 42" LG Plasma with 4" vertical lines at each end

LG service is non- existent . The only solution that I can suggest is "Give a wide berh to LG products. Dont ever touch any"

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ghel1981
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SOURCE: Vertical Lines - Differnt Colors TH-42PHD7WK & TH-42PWD8GS

hi,im a hdtv technician i have encountered already for that kind of trouble.the problem of your lcd is the panel.the panel is defective replace it with a new one lcd panel. (olevia,syntax and kolin lcd thats the brand i assingn.)

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I have had the same problem for a couple of Months . Bought my lg in March 2009, just had it diagnosed as the Screen . Apparently they are not Lg screens but a cheaper version called AUO optrix . my tv is a non economical repair and i am waiting for Currys to get back to me . let me know if i can be of any help. Mike

Posted on Nov 11, 2010

budmrtn
  • 11361 Answers

SOURCE: Replaced the T-Con board and

Can you please tell me if you also get lines on the screen with the old old T-CON board also?
Are they solid color lines?
Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx 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.

Posted on Jan 14, 2011

  • 8457 Answers

SOURCE: My LG led has had several problems, it started out

This problems are a very tipical of the coded pixels on the LCD screen panel passes through the board that call the T-CON decoder board to causing this problems.Vertical colors lines display on the LCD screen panel happen by itself.Yes.The T-CON decodering board it is dying and shorting out.This T-CON decodering board sit in the middle at the botton of the LCD screen panel.Replacing this T-CON decodering board will solved this problems,if does not the LCD screen panel itself it is shorting out,than the tv it is not worth fixing,because changing the whole LCD screen panel itself it is not practical and the cost will be the same as a new tv itself.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish T-CON decodering board for the replacement.

Posted on May 31, 2011

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This problems are a very tipical of the coded pixels on the LCD screen panel passes through the board that call the T-CON decoder board to causing this problems.Vertical colors lines display on the LCD screen panel happen by itself.Yes.The T-CON decodering board it is dying and shorting out.This T-CON decodering board sit in the middle at the botton of the LCD screen panel.Replacing this T-CON decodering board will solved this problems,if does not the LCD screen panel itself it is shorting out,than the tv it is not worth fixing,because changing the whole LCD screen panel itself it is not practical and the cost will be the same as a new tv itself.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish T-CON decodering board for the replacement.

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