No - the other pins carry power. See the datasheet:
Output connector J5
This connector can be used to connect to external components, e.g. an amplifier. The output is connected in parallel to the RCA jacks. Pin 1 is on the top left.
Well, I promised. It is the above mentioned noise as an sfz instrument. Samples are me persistently connecting the 5V power line to my output jack ring and wonder why it makes noise.