alc272 Realtek Semiconductor Corporation, alc272 Datasheet - Page 80

• Manufacturer Part Number: alc272
• Description: 4 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

10.2. Onboard Front Panel Header Connection and Front
4 Channel High Definition Audio Codec
Option 2: MIC2 (port-F) and HP-OUT (port-I) to front panel header
Option 1: MIC2 (port-F) and LINE2 (port-E) to front panel header
HPOUT-L
MIC2-L
MIC2-R
HPOUT-R
MIC2-L
MIC2-R
LINE2-R
LINE2-L
w/o DC blocking
capacitor
Panel I/O
C63
C61
R10
R9
C58
C57
C60
C59
22~75
22~75
MIC2-VREFO
100u
100u
MIC2-VREFO
1u
1u
1u
1u
Figure 19. Onboard Front Panel Header Connection and Front Panel I/O
1N4148
R33
4.7K
1N4148
R29
4.7K
D11
D5
1N4148
R30
4.7K
1N4148
R28
4.7K
D12
D6
Onboard front
panel header
Onboard front
panel header
J6
1
3
5
7
9
CON10A
J5
1
3
5
7
9
CON10A
10
10
2
4
6
8
2
4
6
8
Key
Key
PRESENCE#
MIC2-JD
HPOUT-JD
PRESENCE#
MIC2-JD
LINE2-JD
R34
10K
R32
10K
+3.3VD
+3.3VD
72
System GPI
System GPI
HD Audio Front Panel I/O Cable
FIO-PORT2-R
FIO-PORT2-L
FIO-PORT1-R
FIO-PORT1-L
FIO-PORT1-L
FIO-PORT1-R
FIO-PORT2-R
FIO-SENSE
FIO-PORT2-L
L14
L15
L16
L17
Track ID: JATR-1076-21
1
3
5
7
9
CON10A
J2
FERB
FERB
FERB
FERB
C45
100P
C50
100P
FIO-SENSE
FIO-SENSE
10
2
4
6
8
PORT2-SENSE-RETURN
PORT1-SENSE-RETURN
KEY
C52
100P
C51
100P
FIO-PRESENCE#
PORT1-SENSE-RETURN
PORT2-SENSE-RETURN
Datasheet
ALC272
JACK 7
FIO-PORT2 (Jack-E)
JACK 8
FIO-PORT1 (Jack-F)
4
3
5
2
1
4
3
5
2
1
Rev. 1.0