Radio/Audio System Schematics (Lux Radio - UQ7 w/Y91 - Class 2 Amp)

Fig 1: Radio Power, Ground, Class 2 Serial Data, and Audio Signals

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Fig 2: External Audio Source - U1S

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Fig 3: External Audio Source - U2K

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Fig 4: External Audio Source - U42

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Fig 5: External Audio Sources - Splice Pack SP250

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Fig 6: Amplifier and RSA Power, Ground, and Serial Data, and Noise Compensation Microphone

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Fig 7: Speakers

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Fig 8: Antenna Module

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