Question about LG 42LH30 42 in. LCD TV
That is the USB service port to be used by service person, not for consumer usage. Please see your user manual. http://www.lg.com/us/tv-audio-video/televisions/LG-lcd-tv-42LH30.jsp
Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Posted on Mar 16, 2011
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Posted on Jan 02, 2017
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