When we buy new device such as Onkyo TX-NR727 we often through away most of the documentation but the warranty.
Very often issues with Onkyo TX-NR727 begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Stereo Receiver Onkyo TX-NR727 is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Stereo Receiver on our side using links below.