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Schematic Diagrams
Audio Codec ALC650 (71-D40U0-D03) B - 27
B.Schematic Diagrams
Audio Codec ALC650
Sheet 26 of 42
Audio Codec
ALC650
VDDA
+3VS
AGND
VDDA
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND AGND
AGND
AGND
AGND
OPVCC
OPVCC
AGND
VDDA
AGND
AGND
AGND
VDDA
AGND
AGND
AGND
VDDA
AGND
VDDA +5VS
AGND AGND AGND
AGND
AC_RST#15,20
AC_BCLK15,20
AC_SYNC15,20
AC_SDOUT15,20
AC_SDIN015
LBP29
PHONE20
CD-L14
CD-R14
MIC127
CDGND14
Vrefout 27
R_OUT+ 27
L_OUT+27
HP_SENSE27
AC_SDIN115,20
SPDIF/LINE-L 27
CLINE-R17
CLINE-L17
LFE27
SPDIF/LINE-R 27
CLINE-L17
CLINE-R 17
CLINE-R17
CLINE-L17
LAN_PWRON 15
H8_MUTE24
AC_SYNC
AC_SDIN0
AC_SDOUT
LOUT-R
AC_BCLK
CDGND
LOUT-L
AC_RST#
Vrefout
LOUT-L
MUTEOUT
R_OUT-
LOUT-R
AC_BCLK
AC_SDIN0
AC_SDIN1
AC_BCLK
R_OUT+
L_OUT+
LBP
MIC1
CD-L
CD-R
PHONE
AMP_MUTE
AMP_MUTE
L_OUT-
MUTE
HP_SENSE
SPDIF/LFE#
SPDIFOUT
LFE
SPDIF/LFE#
SPDIFOUT
MUTE
LOUT-L
HP_SENSE
LOUT-R
MUTE
SPDIF/LINE-L
CHSEL
LINE-L
LINE-R
SPDIF/LINE-R
CHSEL
LINE-R
LINE-L
CLINE-L
CLINE-R
LAN_PWRON
H8_MUTE
U36
ALC650
1
9
25
38
4
7
26
42
2
3
5
6
8
10
11
12
13
14
15
16
17
18
20
19
21
22
23
24
27
28
29
30
31
32
33
34
35
36
37
39
40
41
43
44
45
46
47
48
VDD
VDD
AVDD
AVDD
VSS
VSS
AVSS
NC
XTL-IN
XTL-OUT
SDATA-OUT
BIT-CLK
SDATA-IN
SYNC
RESET#
PC-BEEP
PHONE
AUX-L
AUX-R
VIDEO-L
VIDEO-R
CD-L
CD-R
CD-GND
MIC1
MIC2
LINE-L
LINE-R
VREF
VREFOUT
AFILT1
AFILT2
VRAD
VRDA
CAP1
NC
LINE-OUTL
LINE-OUTR
MONO-OUT
HP-OUT-L
AVSS
HP-OUT-R
AVDD
AVSS
ID0#
ID1#
JD
SPDIFO
L53 FCM1608K-121
C233 1U(R)
C820
0.1UF(R)
C827 8200P
C816
1UF
C792
0.01UF
L147
FCM2012V121
U33
APA4835
14
8
2 7
10
21
3
16
11
17
15
28
26
19
1825
24
5
4
13
12
9
27
6
1
20
23
22
GND
GND
ShutDown DC Vol Control
Right in
HP sense
Gain Sel
Vdd
Beep
-Left Out
+Left Out
+Right Out
-Right Out
L2in
L2finR2fin
R2in
Mute
Mode
Left Dock
Left in
Right Dock
Vdd
Vdd
GND
GND
GND
Bypass
C857 0.22U
D43
ISS355
AC
R629 47
C826 1UF
C887
4.7U(0805)
R646 49.9K
C818
0.01UF
C795
0.01UF
L46 FCM1608K-121
C790
1UF
Q13
2N7002
GS
D
R671
1K
C239
0.1UF
C831
10UF/10V
C784 1UF
T
C842 8200P
R222 20K
C793
0.01UF
C828
0.1uF
C234 1U(R)
R218
100K(R)
R686
10K
R661 20K
C886
0.1UF
C817
0.01UF
1M(R)
R630
C237 1UF
C868
0.1UF
C787 1UF
R702 10K
C849
1UF(R)
0.47U(R)C850
R648 4.7K
C895
10UF/10V
R669
15K
R219
10K
L151 FCM1608K-121
C807
0.1UF
L54 FCM1608K-121
R626 20K
C805
0.1UF
R726 0
T
JSPK6
CON2
1
2
L45 FCM1608K-121
T
C883 0.22U
C893 0.22U(R)
R627 20K
R628 47
R635
4.7K
R727 0(R)
C825 1UF
Q15
2N7002
G S
D
R570 10K
C788
47P
JSPK4
CON2
1
2
C844
0.1UF
R227 10(R)
C859
0.1UF
C797
1UF
R617
5.6K
R233
100K(R)
C867
0.1UF
C885
4.7UF(0805)
JSPK3
CON2
1
2
R637 4.7K(R)
R228 100(R)
R640 0 C815 1UF
C845
1000P
R662 20K
C858
4.7UF(0805)
R619 10K
C808
0.01UF
C875
4.7U(0805)
C240
0.1UF
T
R670 10K
R645 20K
R644 20K
C829
4.7U(0805)
L144
BK3216HS800
C794
1UF
R701
15K
C843 0.22U(R)
C821 1UF
U40
TPA0202
1
12
13
24
2
17
23
7
18
6 19
9
11
14
16
8
10
3
15
22
5
4
20
21
GND/HS
GND/HS
GND/HS
GND/HS
NC
NC
NC
VDD
VDD
L_BYPASS R_BYPASS
MUTE OUT
MUTE IN
SE/BTL#
HP/LINE#
SHUTDOWN
L_OUT-
L_OUT+
R_OUT-
R_OUT+
L_HP IN
L_LINE IN
R_HP IN
R_LINE IN
L148
FCM2012V121
R636 4.7K
R618 10K
L143
FCM1608K-121
C801
0.1UF
C785
1UF
R642
0(R)
JSPK2
CON2S
1
2
R229 100(R)
C855
220P
C847
1UF
R226 10(R)
C238 1UF
C882
220P
R225
100K(R)
T
L48 FCM1608K-121
Q17
2N7002
G
SD
C796
0.01UF
C832 10UF/10V
C800
22P
R223 20K
R221 0
C874
10UF/10V
JSPK5
CON2
1
2
C833 0
C836
0.1UF
R234
100K(R)
C791
0.1UF
C806
1UF
0C834
Q14
2N7002
G
SD
Y7
24.576MHz
R638 0(R)
C884 0.22U
L47 FCM1608K-121
C888
0.1UF
R641 0
C848
1UF
C241
0.1UF
C841 1UF
R620 10K(R)
C830
1UF
C860
4.7U(0805)
C786
1UF
C840 1UF
C835 1UF
JSPK1
CON2S
1
2
C819
0.1UF
C876
0.1UF
R220 10K
Q16
2N7002
G
SD
L152 FCM1608K-121
C799
22P
C846
1000P
R647 49.9K
C798
10UF/10V
C856 0.22U
R649
4.7K
For some crystal,
For headphone application,
the bias resistor is needed
AGND:25,26,27,28,29,30,31,32,33
f=1/(2πR3C2)=2KHZ, so
C2=1.6nF
60 mil 60 mil