Either the 24vdc power supply problem or the backlight inverter board problem.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums
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.
Ur tv still have sound after few sec.the picture dies?Yes,than the tv long board call the LCD inverter board is dead.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish LCD inverter board for the replacement.
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