Audio Amplifier Construction - Mazda RX-8 2004 Service Highlights

Audio amplifier (external)
• The diagnostic assist function displays the output
state of the audio amplifier operating signal to
determine condition of the audio amplifier, base
unit, and wiring harness between the base unit
and audio amplifier.
End Of Sie

AUDIO AMPLIFIER CONSTRUCTION

Main Amplifier
• Located in the rear package tray.
• A digital amplifier has been adopted.
• Converts music signals (analog voltage waves) output from an audio unit, into digital pulse signals, and then
amplifies and outputs them.
Terminal Layout and Signal
Main amplifier
1W 1U 1S 1Q 1O
1X 1V 1T 1R 1P
09–20–12
ENTERTAINMENT
Terminal
1M 1K 1I 1G 1E 1C 1A
1N 1L 1J 1H 1F 1D 1B
AUDIO AMPLIFIER OPERATING SIGNAL IS OUTPUT
AUDIO AMPLIFIER OPERATING SIGNAL IS NOT OUTPUT
24-pin connector
1A
1B AudioPilot control
1C
1D
1E Microphone (+)
1F Right rear speaker input (–)
1G Microphone (–)
1H Right rear speaker input (+)
1I Left rear speaker output (+)
1J Left rear speaker input (–)
1K Left rear speaker output (–)
1L Left rear speaker input (+)
1M Right rear speaker output (+)
1N Right front speaker input (–)
1O Right rear speaker output (–)
1P Right front speaker input (+)
1Q Left front speaker input (+)
1R Left front speaker input (–)
1S Left front speaker output (–)
1T Left front speaker input (+)
1U Left front speaker output (–)
1V
1W
1X
A6A8124T009
CHU092066910S01
Signal
—
—
AMP. mute
—
—
—