Yamaha Dsp Z9 switching off

[Anonymous]

I don't even think there was a part replaced, it was Service news E-1276 just 6 screws needed tightened at the back of the amp!

http://www.avforums.com/forums/av-amplifiers-receivers/525910-yamaha-dsp-z9-how-do-factory-reset.html

Picture posted in the above thread.