Vertical color lines on the screen? http://www.scribd.com/doc/25276757/E40951307-TCON-Troubleshooting-10-22-09-OPT PDF download: http://www.mediafire.com/?zzjygannjty
Learn about the LCD panel and T-CON failure modes here:
See example here of bad LCD panel/T-CON board:
http://s807.photobucket.com/albums/yy352/budm/LCD%20panel/
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
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
Parts: www.shopjimmy.com
Parts: http://interliquidparts.com/
Hello
These white lines (horizontal or vertical) may be an issue with the DMD board. One way we can narrow the problem down is with a simple test: bring up the TV menu on the screen. If thewhite lines are still visible through the menu, then it's even more probable than the DMD is defective; if not then the digital video can also be held accountable.If you decide to go for a new DMD you'll have to search by part number, NOT by model number, the main reason is that two TVs with the same model number may have non compatible components because they are different generation when they assembled.
Also if by any chance you can't find the DMD sold separately, your next option is to buy the entire light engine that includes the DMD, and obviously that's going to be more expensive. If you are trying to save money and you really know what your buying try eBay, you can get a really good deal over there, how ever if you are not familiar with TV parts, and don't want to take a chance buying something that might not work, try online stores that specialize in TV parts or contact authorized LG Service Center .
Hope this helps.
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