Yamaha rv1105 turns on for 3 seconds and then shuts off ??any ideas

SOURCE: I have the Yamaha HTR5935 reciever- When I turn

try removing all the speaker cables and power back on, a loopback causes this same effect.

SOURCE: I have the Yamaha HTR5935 reciever- When I turn

Sounds to me like you have either your speaker wires crossed, the pos and neg are touching, or a pos is touching the case of the receiver.