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Schematic Diagrams
AC97 B - 21
B.Schematic Diagrams
AC97
Sheet 20 of 40
AC97
INT_CD_R 12,22
DEL
+3VCDROM
SPDIF/SURRB-L22
C576 22PF
R431
47K
1UF
C_BITCLK21
AC97_OUT_L
C_SYNC21
C_SDOUT21
C582
0.1UF
INT_CD_L
INT_CD_L 12,22
+12V
ALC202
ALC655
U33
ALC202
43
44
45
46
47
48
39 40
41
31
32
33
34
26
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
27
28
29
30
35
36
37
38
42
25
GPIO0
GPIO1
ID0#
ID1#
EAPD/DJ
SPDIFO
HP_OUT_L NC
HP_OUT_R
VRAD
VRDA
DCVOL
Vaux
AGND
VDD
XTL_IN
XTL_OUT
GND
SDATA_OUT
BIT_CLK
GND
SDATA_IN
VDD
SYNC
RESET#
PC_BEEP
PHONE
AUX_L
AUX_R
VIDEO_L
VIDEO_R
CD_L
CD_GND_REF
CD_R
MIC1
MIC2
LINE_IN_L
LINE_IN_R
VREF
V_REFOUT
AFILT1
AFILT2
LINE_OUT_L
LINE_OUT_R
MONO_OUT
AVDD
AGND
AVDD
SPDIF/SURRB-L
+3VCDROM
C572
1UF
INT_CD_R
C585
0.1UF
ALC655
R432 22
C580 22PF
Q21
2N7002
G
DS
L67
HCB3216K-800T30
1 2
R465
*0
C_SDIN221
R430
47K
ALC202
+VDD12
AC97_OUT_R 23
Y7
24.576M
12
C607 10U/10V
C574
10UF/10V
R433 22
R458
47K
AC97_OUT_L 23
C581 22PF
C586
10UF/10V
PLEASE PLACE CLOSE CODEC &
AMP THE POWER INPUT PINS
C_ACRST#21
CD_GND 12,22
C579 1000PF
+5VCDROM
AC97_VDD
XTL_IN
R435 10K
Q20
2N7002
G
DS
C575
0.1UF
C578 1000PF
C584
0.1UF
AC97_OUT_R
C577
0.1UF
AC97_VDD
C613 1UF
C610
0.1UF
R434 10K
R429
47K
C615 *1UF
C571
1UF
R428
47K
C583
0.1UF
CD_GND
C573
1UF
R427 47K
AC97_VDD
C615