This is the OEM radio for a 2017 Nissan Rogue. Unit powers up, screen shows response to button and dial inputs but there is no sound out of any of the speakers on any mode, i.e., radio, CD, or AUX input. This model does not have an external amp. The amp is built into the head unit. Could this be a firmware problem?
Hi Greg, I'd say you have a bad audio output IC, generally this will take out the fusable resistor that feeds the output stage, you should be able to find a part number on the IC, do a pin out and check between B+ and ground pins with it in circuit and see if you see a short. I don't know if you can find a service manual for it but hopefully you wouldn't need one
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