Where can I find the wiring diagram for Yamaha RX-V657 amp?

[ninjabike]

I am trying to repair my Yamaha RX-V657 amp which does not power up anymore. The repairman needs the wiring diagram as where I am now, there is no dealer.

Please help

 

[USAFRet]

I am trying to repair my Yamaha RX-V657 amp which does not power up anymore. The repairman needs the wiring diagram as where I am now, there is no dealer.

Please help

The service manual possibly here:
http/www.hifiengine.com/manual_library/yamaha/rx-v657.shtml