Question about LG 32LG30 32 in. LCD HDTV
When I first power on the TV, it is fine. Then after 10-20 seconds the picture will freeze up. Then most of the screen turns gray except for a 1-2 inch strip at the top of the screen. After about 10-20 mins. The picture returns to normal.What is up?
Sounds like a faulty T/con board ,,if replacement doesn't fix it it will be a faulty main av board
Posted on Apr 07, 2015
First, try to plug another source on your T.V. set and let see if it's gonna do the same trouble. If not, this is not the T.V. but the source,( cable box or other) that is defect. If not, Looks like a main board problem, or if you're lucky, a cold joint, (Which i doubt). Sometimes it could also be a bad piece in the power supply but i can not say like that. I would have to make test on it with the service manual. If changing source does not work, i suggest you to see a professionnel. Best of luck. Best regards,
Posted on Apr 07, 2015
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Posted on Jan 02, 2017
Tips for a great answer:
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Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.
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