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HiFi System Circuit Diagram

Fig 1: HiFi System - Circuit Diagram
G03393756Courtesy of BMW OF NORTH AMERICA, INC.
LEGEND FOR HIFI SYSTEM CIRCUIT DIAGRAM

Index Explanation Index Explanation
1 'Professional' radio (RAD 2) 16 Tweeter, rear right
4 Instrument cluster 17 HIFi Amplifier
5 Junction box control unit 18 Tweeter, rear left
6 Dynamic stability control 19 Mid-range speaker, rear left
7 Steering column switch cluster 21 Central base speaker, left
8 FM1, FM2 and FM3 aerials 23 Mid-range speaker, front left
9 AM aerial 24 Tweeter, front left
10 Antenna amplifier with diversity module MOST Media Orientated System Transport
11 Tweeter, front right HF High frequency signal
12 Mid-range speaker, front right ZF Intermediate frequency signal
13 Central base speaker, right Us Changeover voltage, AM/FM antenna diversity mode
15 Mid-range speaker, rear right Aux_In Audio input for additional audio sources
KL Rad_on Control signal or power supply Tel_Mute Radio muting during telephone operation