Installation Instructions
XT4500
10
Audio Interface(F_AUDIO)
The audio interface provides two kinds of audio output choices: the FrontAudio and the
RearAudio. Their priority level is as sequence. When the FrontAudio is available, the
RearAudio( in-case speakers ) will be cut off. An onboard amplifier is provided for the
earphone. When the FrontAudio is absent, Pin5 and Pin6, Pin9 and Pin10 must be short
connected.
SPEAKER Connector
SPK_DATA
GND
NC
SPK_VCC
1
F_AUDIO
(Audio Interface)
Pin
No.
Symbol
Pin
No.
Symbol
1
AUD_MIC
2
AUD_GND
3
AUD_MIC_BIAS
4
AUD_VCC
5
AUD_FPOUT_R
6
AUD_RET_R
7
NC
8
(Cut away)
9
AUD_FPOUT_L
10
AUD_RET_L
2
4
6
8
10
1
3
5
7
9
