Technics SA-DX1050 A/V Receiver audio on and off intermitent

[fabian mino]

hi i have Technics SA-DX1050 A/V Receiver and fea mounts ago later of 3 year of use in my home , begin audio on and off some time if im push on and off many times the receiver run again and have very god sound but if im off and later again on have the same problems
and is imposible some time runnig again , anybody know the sotution to this problem , the receiver is new only have 3 years old im buy in one store new in box

 

[shrtrnd]

The first and most obvious thing to check is the on-off switch itself.(It could be bad)
Do you have any experience troubleshooting electronic equipment?