Tuner Unit Connector for Inputs and Outputs

TUNER UNIT CONNECTOR A (10P)

Cavity
Terminal Name
Description
A1
TUNER 9V
Power source from audio-navigation unit or audio unit
A2
TUNER GND
Ground for tuner unit
A3
Not used
???
A4
Not used
???
A5
TUNER RS485?
Communication signal for audio-navigation unit or audio unit
A6
TUNER RS485 SH
Shield for terminals No. 5 and No. 7
A7
TUNER RS485?
Communication signal for audio-navigation unit or audio unit
A8
Not used
???
A9
Not used
???
A10
TUNER 6V
Power source from audio-navigation unit or audio unit
TUNER UNIT CONNECTOR B (2P)

Cavity
Terminal Name
Description
B1
SPDIF1 SIG
Communication signal for audio-navigation unit or audio unit
B2
SPDIF1 SH
Shield for terminal No. 1
TUNER UNIT CONNECTOR C (5P)

Cavity
Terminal Name
Description
C1
ANT?B
Power source for AM/FM antenna amplifier
C2
RF IN
Inputs AM/FM signal
C3
Not used
???
C4
SH (RF IN)
Shield for terminal No. 2
C5
Not used
???