Manual for P4N series
Installation Instructions
Audio Interface (Available on P4N-A P4N-AL Mainboard)
The audio interface can provide 3 kinds of Audio output choics :the FrontAudio, the
RearAudio and the ActiveAudio. Their priority level is as sequence. when the FrontAudio
is available, the RearAudio and the ActiveAudio(in-case speaker)will be cut off. when the
RearAudio is available, the ActiveAudio will be cut off. An onboard amplifier is needed for
the case of earphone plugged into. when the FrontAudio jack is inexistence, Pin11 and
Pin12, Pin13 and Pin14 must be short connected.
FrontLineOutR
FrontLineOutL
LineNextR
LineNextL
GND
BLSPK(Audio Interface
FrontAudio jack
Speaker Out RearAudio
Line in
Microphone in
Speaker
ActiveAudio
Earphone FrontAudio
Pin
No.
Symbol
Pin
No.
Symbol
1
Active LINE Out(R)
2
Active LINE Out(L)
3
GND (ALO)
4
GND (ALO)
5
GND(+12)
6
GND(+12)
7
+12V(1A)
8
(Cut away )
9
MIC
10
GND ( MIC )
11
Front LINE Out( R )
12
LINE Next( R )
13
Front LINE Out( L )
14
LINE Next( L )
15
GND (FLO)
16
(Cut away )
4
6
8
10
12
14
16
2
1
3
5
7
9
11
13
15
