Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter: Description

The No. 1 stereo jack adapter assembly sends an external device sound signal to the navigation receiver assembly through this circuit.

The sound signal that has been sent is amplified by the navigation receiver assembly, and then is sent to the speakers.

If there is an open or short in the circuit, sound cannot be heard from the speakers even if there is no malfunction in the navigation receiver assembly or speakers.