If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent....
SOURCE: the tv has a 3" white verticle white line down the middle
Sounds like your LCD panel is failinf and will need to be replaced it is going to be costly around 1500
SOURCE: Vizio TV P50HDTV10A had screen flashing static.
Tell them put all ur old boards back and change the Big Main board that in the middle.
SOURCE: 6in. wide vertical band ,with vertical lines
You may have to reset the ribbon cables betwen the LCD panel and the T-CON board, very delicate operation if you have never done one and you can easily damage them. http://www.scribd.com/doc/25276757/E40951307-TCON-Troubleshooting-10-22-09-OPT PDF download: http://www.mediafire.com/?zzjygannjty
Please read my guide and look at the picture and learn about the symptom of bad T-CON and LCD panel here (apply to any LCD TV):
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
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
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