Panasonic receiver sabtt750 stays on for 3seconds

[aa1914men]

receiver stays on for 3seconds
displays E76 error

(edit by helpstar)

 

[helpstar]

disconnect anything and try to start the receiver

 

[aa1914men]

I tried doing that, keeps shutting off after 3seconds. displays F76

 

[helpstar]

That´s a power supply problem.

Maybe this can help:
http/forums.whirlpool.net.au/archive/2244288
or this
https/www.youtube.com/watch?v=TRiH1om13fM