alc268 Realtek Semiconductor Corporation, alc268 Datasheet - Page 74

• Manufacturer Part Number: alc268
• Description: 2+2 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

10.3. Power and Rear Panel Jack Connection
2+2 Channel High Definition Audio Codec
+5VA
Configuation: (Standard Case)
Rear Panel: 3 dedicated audio jacks
Front Panel: 2 dedicated audio jacks
Pin/Port Assignment
FRONT(pin-35,36)/Port-D
MIC1 (pin-21,22)/Port-B
LINE1 (pin-23,24)/Port-C
HP-OUT (pin-39,41)/Port-A
MIC2 (pin-16,17)/Port-F
Standby +5V
+10u
+
B130LAW/1N5817
For Standby mode De-pop purpose
3
OUT
LM7805CT/200mA
For improving the background
noise of MIC boosting.
IN
Location
Rear Panel
Rear Panel
Rear Panel
Front Panel
Front Panel
Figure 20. Power and Rear Panel Jack Connection
1
+100u
+
FERB
R2
Functions
LINE-OUT w/ amplfier
Mic-In
Line-In
HP-OOUT w/ amplifier
Mic-In
1N4148
10
D2
+12V
66
LOUT-R
LOUT-L
MIC1-R
MIC1-L
MIC1-VREFO-R
MIC1-VREFO-L
LINE1-R
LINE1-L
C1
C2
C6
C9
R3
R4
C18
C20
100u
100u
1u
1u
2.2K
2.2K
1u
1u
Track ID: JATR-1076-21
LOUT-JD
MIC1-JD
LINE1-JD
C3
100P
C10
100P
C21
100P
C4
100P
C11
100P
C22
100P
ALC268 Series
LINE-OUT-OUT (Jack-D)
Rear Panel
MIC1(Jack-B)
Rear Panel
LINE1(Jack-C)
Rear Panel
Datasheet
PH1
PH2
PH3
CN
CS
1
3
4
5
CN
CS
1
3
4
5
CN
CS
1
3
4
5
Rev. 1.3