SOURCE: 32 inch lcd tv screen smashed
dont write it off just yet look on ebay for the same model that is broken but has a working screen, replacment of a broken lcd screen is quite simple with severel walkthroughs posted on the net,
if you cant find the same model with a decent screen then you should write it off,
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"
SOURCE: On my LCD TV. a series of vertical colored lines
First you can try adjusting the cable to the LCD Controller (LCD CONTROLLER 6870C-0080D from LG 42LC2D) Sometimes the contacts get out of alignment and disconnecting/reconnecting it will clear it up. Do not touch the contact points.
If this does not work, you may have to replace it.
http://www.scribd.com/doc/25276757/E40951307-TCON-Troubleshooting-10-22-09-OPT
http://www.mediafire.com/?zzjygannjty PDF download
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 pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
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