Question about Sharp 42in Refurbished Mfr P/N LC42D65UT
Tv is 3 years old never been repaired
Posted by Anonymous on
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Posted on Jan 02, 2017
yes thats is a common problem for all flat tv not only
sharp ;/ first theres is capacitor in power supply
you probly have few one there blow up and it could bee from the power section of your back light circuit
a good technician can fix that easy
Posted on Apr 02, 2010
SOURCE: I own a Sharp Aquos
there is a problem with the power supply. most likely too much ripple that is ac leaking into the dc. I have seen the power supply repaired but it is not always possible. If there is an obvious swelled capacitor on the power supply that can be replaced this will be the best bet for repair. If there is nothing visually obvious then it gets a little harder since you won't really know which component is not working, the tv shuts down on a protection circuit so if the power supply can be repaired and the voltage "cleaned up" then the tv could work again. I have also seen replacement power supplys sold.
Posted on May 26, 2011
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Tips for a great answer:
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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
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.
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