Question about Sony KDL60NX720 3D LCD TV
Red light blinks twice
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Posted on Nov 03, 2012
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Posted on Jan 02, 2017
The 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 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 28, 2009
same basic thing happened on my 50 in Hitachi plasma...I removed the back cover and found two capacitors on my power supply swelled...and two chips on one display board burned.Hatachi doesnt make the tv anymore and the parts were going to cost me almost what the tv did new...so...I sold it for parts on ebay...check all the boards for tell tale signs of damage...
Posted on Jul 04, 2012
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Visit the site named 'Electro-help' for more details. Click this link. View it in "Timeslide" or "Flipcard" option, which can be selected from the drop down box menu by the [Sidebar] tag, at the top left corner of the display window. It will make search easy. There are more than 1100 posts to different brand TVs now. Pull up older posts there. Blinking codes to Sony TVs are described in detail.
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