im in the middle of wiring up Yamaha Sound Digital Sound Field Processor model DSP-E390and im stuck at the moment i have a Fidelity Elektra E20 Preamplifier Elektra E30 Power Amplifier how do i go about wiring them up i am trying to wire up 5 speakers and i dont no how to wire it to the fidelty system the instuctions on the yamaha is not very clear