Mazda MX-3 silhouetteMX-3

CONNECTOR SPECIFICATIONS — Audio Unit (AM-FM tuner / cassette tape deck)

J-4spec table

Audio Unit

AM-FM tuner / cassette tape deck

12-pin connector

1A
FunctionACC
1B
Function
1C
FunctionBackup power (B+)
1D
FunctionAntenna SW (13.2V)
1E
FunctionTNS
1F
FunctionIllumination (−)
1H
Function
1J
FunctionAmp control (13.2V)
1K
FunctionDoor speaker (LH) (+)
1L
FunctionDoor speaker (LH) (−)
1M
FunctionDoor speaker (RH) (+)
1N
FunctionDoor speaker (RH) (−)

8-pin connector

2A
FunctionRear speaker (LH) (+)
2B
FunctionRear speaker (LH) (−)
2C
FunctionACC
2D
FunctionAmp control (13.2V)
2F
FunctionRear speaker (RH) (+)
2H
FunctionRear speaker (RH) (−)
2I
FunctionSystem mute
2J
Function

DIN connector (13-pin)

1
FunctionOutput LH (+)
2
FunctionInput LH (+)
3
FunctionOutput RH (+)
4
FunctionInput RH (+)
5
FunctionSignal ground
6
FunctionTNS
7
FunctionACC
8
FunctionBackup power (B+)
9
FunctionSystem on
10
FunctionIllumination (+)
11
FunctionSystem off
12
FunctionSystem control (play)
13
FunctionMute (input)
E
FunctionShield ground

1-pin connector

3A
FunctionGround

Specifications

Rated voltage
12V
Frequency bandAM
AM 530—1,710 kHzkHz
Frequency bandFM
FM 87.75—107.9 MHzMHz
Output impedance
25W × 4

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