Mazda 3 Service Manual: Audio Unit
NOTE:
-
“iPod” is a registered trademark of Apple Inc. in the United States and other countries.
Purpose
-
The audio unit controls the CD, radio, exterior input devices (AUX/USB/iPod) and the display.
Function
-
Records the following items which the user has set.
|
Item |
Specification |
|
|
Preset memory |
AM |
6 |
|
FM1 |
6 |
|
|
FM2 |
6 |
|
|
SIRIUS (SAT1) |
6 |
|
|
SIRIUS (SAT2) |
6 |
|
|
SIRIUS (SAT3) |
6 |
|
-
The imbedded touch panel type display in the audio unit displays music information for CD and radio, and it also displays back camera images and the navigation screen.
-
The audio unit has the following functions:
USB/iPod applicable
-
A USB device such as USB memory or an iPod connected to the auxiliary jack/USB port can be controlled by the audio unit.
Specification
|
Item |
Specification |
||
|
Rated voltage |
(V) |
12 |
|
|
Frequency range |
AM |
(kHz) |
531—1602 |
|
FM |
(MHz) |
87.75—107.9 |
|
|
Amplifier maximum output |
(W) |
240.5 (external audio amplifier) |
|
|
Output impedance |
(ohm) |
4 |
|
|
Display |
Size |
(inches) |
480×272 (5.8) |
|
Type |
TFT *(Thin Film Transistor): Full-color |
||
* Short for Thin Film Transistor Used a lot with color LCDs.
Construction
-
An audio unit with AM/FM tuner/MP3/WMA (Windows Media Audio)/AAC (Advanced Audio Coding) applicable CD player is assembled in the audio panel.
Terminal layout and signal
Audio unit
|
Terminal |
Signal |
|
|
|
1A |
Front door speaker LH (+) |
|
1B |
B+ |
|
|
1C |
Front door speaker LH (-) |
|
|
1D |
Front door speaker RH (+) |
|
|
1E |
TNS (+) |
|
|
1F |
Front door speaker RH (-) |
|
|
1G |
TNS (–) |
|
|
1H |
Steering switch3 |
|
|
1I |
Vehicle speed signal |
|
|
1J |
AMP control |
|
|
1K |
— |
|
|
1L |
— |
|
|
1M |
R position signal |
|
|
1N |
Steering switch 1 |
|
|
1O |
CAN_H |
|
|
1P |
Steering switch 2 |
|
|
1Q |
CAN_L |
|
|
1R |
ACC |
|
|
1S |
Rear door speaker LH (+) |
|
|
1T |
AudioPilot®2 |
|
|
1U |
Rear door speaker LH (-) |
|
|
1V |
Rear door speaker RH (+) |
|
|
1W |
Power ground |
|
|
1X |
Rear door speaker RH (-) |
|
|
|
4A |
Bluetooth voice input RH (+) |
|
4B |
Bluetooth voice input RH (-) |
|
|
4C |
Bluetooth voice input LH (+) |
|
|
4D |
Bluetooth voice input LH (-) |
|
|
4E |
Audio voice input RH (+) |
|
|
4F |
Audio voice input RH (-) |
|
|
4G |
Audio voice input LH (+) |
|
|
4H |
Audio voice input LH (-) |
|
|
4I |
HS-CAN (+) |
|
|
4J |
HS-CAN (-) |
|
|
4L |
Microphone voice input (+) |
|
|
4N |
Microphone voice input (-) |
|
|
4P |
Microphone ground |
|
|
4R |
Microphone power supply |
|
|
4T |
Microphone detect |
|
|
4V |
— |
|
|
4W |
AUX detect |
|
|
4X |
AUX signal LH, RH (-) |
|
|
4Y |
AUX signal RH (+) |
|
|
4Z |
AUX signal LH (+) |
|
|
4AA |
— |
|
|
4AB |
— |
|
|
4AC |
— |
|
|
4AD |
— |
|
|
|
5A |
USB power supply |
|
5B |
USB data (+) |
|
|
5C |
USB power ground |
|
|
5D |
USB data (-) |
|
Antenna feeder connector
|
Terminal |
Signal |
|
|
|
3A |
ANT CONT |
|
3B |
Antenna |
|
Switch location
|
No. |
Switch name |
Function |
|
1 |
EJECT switch |
Ejects CD. |
|
2 |
AUDIO switch |
Switches to audio screen. |
|
3 |
PHONE switch |
Switches to Bucktooth dial screen. |
|
4 |
NAV switch |
Switches to navigation screen. |
|
5 |
POWER/VOLUME switch |
Audio power on/off and volume adjustment are possible. |
|
6 |
SETUP switch |
Switches to setting screen. |
|
7 |
SEEK/TRACK switch (up) |
|
|
8 |
SEEK/TRACK switch (down) |
|
|
9 |
TUNE/FILE AUDIO CONT switch |
|
Operation
-
For the audio unit operation, refer to the AUDIO SYSTEM.
Fail-safe
-
Function not equipped.
Audio System
NOTE:
“iPod” is a registered trademark of Apple Inc. in the United States and other
countries.
Outline
An Auxiliary jack/USB port unit has been adopted which can connect to com ...
Audio Unit Disassembly/Assembly
CAUTION:
When disassembling the audio unit, it could get scratched if it is placed
directly on the ground. When disassembling the audio unit, spread a soft cloth
underneath to perform th ...
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—
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...
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