Question about LG 42LG50 42 in. LCD HDTV
It may have lost the 24vdc or the backlight inverter board has shorted out.
Unplugging it from the outlet for about an hour to let it reset itself first, if it still does not work then It may be in the safety shutdown mode due to short circuits in the power supply or in the backlight inverter board, you can try disconnecting the power cables to the backlight inverter board to see if you can get the TV to come back on with sound but no pictures.
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:
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Posted on Aug 23, 2010
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Posted on Jan 02, 2017
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