Question about Sony BRAVIA KDL-40V2500 40 in. LCD HDTV
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Posted on Jan 02, 2017
Since the TV is still receiving power, the problem is going to be with the TV's mainboard. After you unplugged the TV and plugged it back in, you said the power light went out again, so I assume the standby light wasn't flashing again? The flashing standby light is indicating an error code so my suggestion is to contact Sony for service options regardless if there is a warranty or not because service is the only solution to this situation. Don't forget to provide them the error code or 4 flashes repeating.
Posted on Mar 25, 2009
Try leaving the TV unpugged for 30 minutes so the TV can reset itself.
If that doesn't work, most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you flashing red light codes, circuit diagrams, test points, and part# lists. Usually, cost under $20.
I hope I shed some light on the subject for you.
Posted on Jun 29, 2009
Know how to solders?Power supply board have dead capacitors.Take the tv aparts,look for Capacitors that puff up or burst open.Replaced these capacitors well get ur power back.Or buy and replaced the whole
refurbish power board at Shopjimmy.com,Ebay.com.
Posted on Jan 23, 2010
blow out fan in mother board tower mother is over heating and not geting enough of air leting the mane chips over heating makes computer stop so it doesnt catch fire.
Posted on Feb 22, 2011
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