Question about Sony KDL55EX640 55" LED 1080p 120Hz Wi-Fi ready HDTV
Check its backlight inverter. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy.
This is a back-light inverter problem.
Posted on Mar 20, 2014
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Posted on Jan 02, 2017
SOURCE: Picture get dark than light
On your remote control, press the huge circle, which should be settings or menu, there, go on brightness, put it up to max if u want bright, and low if u don't .If the problem still happens, ask customer service to help, or return it!!
Posted on Feb 27, 2009
SOURCE: My Sony Bravia 40 inch
The T-con board,the board that sit right at the bottom right in the middle of the center LCD panel.That board is dying.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish T-con board for the replacement.
Posted on May 27, 2010
Testimonial: "Thank you for identifying the problem but I would like to think that Sony will bend the rules a little on the one year guarantee as it is just the one year and I imagine the repair required might be expensive as the TV was to start with. I will ring Sony and test their public relations and discretion. Have a good day."
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