In 2012, Sony Entertainment announced that the company would be releasing a new version of its 2006 Playstation 3 console. The new console is call the Playstation 3 Super Slim and is identified by the model number, CECH-4000. The PlayStation 3 Super Slim (CECH400x) is the third version of the PS3 video game console produced by Sony Computer Entertainment. It was released October 25, 2012.
Did you tried the "Video reset" sometimes this do work. Did you tried with HDMI only? You can also try to use the video RCA port and see what happens.
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