The DCP is a pretty simple device.
It takes your 5 volt input and should give you + and - 12 volts out.
The important pins are all on the outside edge on the carrie.
Pin 1 and 2 are the USB power with 1 being +5 volts and 2 being USB ground.
Pins 5, 6 and 7 are the output voltages and are isolated from the input side.
Pin 5 is the amplifier ground, pin 6 is +12 volts and pin 7 is -12 volts.
When testing voltages, remember to reference to the correct ground.
If you are not getting the correct output voltages, check for shorts
in the voltage rails.