Antenna System for Radios Without Telephone Overview

Antenna System for Radios Without Telephone Overview






1 Antenna (R11)

• Roof antenna with antenna mast for FM/AM radio reception.

• On rear of roof.

2 Antenna Amplifier 2 (R111)

• Removing and installing, refer to => [ Antenna Amplifier ] Service and Repair.

3 Rear Window With One Antenna Connection

• Only for FM radio reception.

4 FM Frequency Filter in Positive Wire (R179)

• Installed in wiring harness.

• Its function is to prevent antenna signals from shorting to ground (GND).

5 Connection Point As Frequency Filter Set

• Because there is no AM radio reception via the rear window antenna, no amplitude modulation (AM) frequency filter is required. Therefore, there is only one connection point for rear window defroster voltage distribution here.

6 Rear Window Defroster Voltage Distribution, Negative

7 Rear Window Defroster Voltage Distribution, Positive

8 FM Frequency Filter in Negative Wire (R178)

• Installed in wiring harness.

• Its function is to prevent antenna signals from shorting to ground (GND).

9 Radio

• RCD 500 radio.

• Two antenna wires for FM/AM. Antenna selection (diversity) in radio.

10 Radio

• RCD 300 radio.

• Two antenna wires for FM/AM. Antenna selection (diversity) in radio.