2017-04-19, 01:26
PAnother thought. Slit open an Ethernet cable and put the resistor in series with pin 6 - green/white I think and connect the amp to the controller. If you are powering with something with an amp or so of capacity, even a hard short in the amp shouldn't drag the +5 down on the controller. If the amp is running, you might be able to figure out what channel is causing the issue even if the device isn't going hard short continuously. Feed some noise into each channel and see if one is different / dead on the signal monitor.
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