Schematic Diagrams
B - 22 Audio Codec ALC662
B.Schematic Diagrams
Audio Codec ALC662
Sheet 21 of 37
Audio Codec
ALC662
5VS_AU D
5VS
3. 3VS
AU DG
AUDG
AU DG
AUDG
AUD G
3 .3VS_ AUD
3.3VS_AUD
5VS
AU DG
AU DG
AUD G
AUDG
3.3VS_AUD
AUD G
AUD G
AUD G
AU DG
KBC _BEEP
22
ICH _SPKR
14
3.3 VS
5, 8, 9,1 0, 11, 12,1 3,1 4, 15, 17,1 8,1 9, 20, 22,2 3,2 4, 25, 29
5 VS
12, 15 ,18 ,23, 24, 25
AUD _AZ_RST#
12
AZ_ SDIN 0
1 2
AUD _AZ_SD OUT
1 2
AUD _AZ_BI TCL K
1 2
AUD _AZ_SY NC
1 2
KBC _MU TE#
22
SB_MUTE#
12
BEEP
MI C2-VREFO
HP_ SEN SE
SPDI FO
HP- R
MI C_SEN SE
IN T_MIC
MI C_SEN SE
HP_ SEN SE
MIC 2-L
MIC 2-R
I NT_MI C
MIC 1-L
MIC 1-R
MIC 1-VREFO- L
MIC 1-VREFO- R
MIC1-VR EFO-L
MIC2-VR EFO
MIC1-VR EFO-R
H P- R
H P- L
SPKO UTL-
SPKO UTL+
SPKO UTR-
SPKO UTR+
SPKOUTL-
SPKOUTR-
_L
SPKOUTR-_R
SPKOUTL- _L
_ R
SPDIFO
BEEP
MI C1-R
MI C1-L
HP- L
C 31 0
1 00 P_50V_X7 R_ 04
C 313
1 00P_50V_ X7 R_0 4
C301
0. 1U_ 16 V_04
R 86
4 .7K_04
C311
100P_5 0V_ X7R _04
L17
FCM100 5KF-1 21T03
D 11
SCS751V-4 0
A
C
C302
4. 7U_ 6. 3V_0 6
C303
4. 7U_ 6. 3V_0 6
L19
FCM100 5KF-1 21T03
C3 09
0 .01U_ 16 V_X7R_04
L18
FCM100 5KF-1 21T03
C 312
1 00P_50V_ X7 R_0 4
DIGITAL
A NAL OG
U1 3
ALC 269Q QFN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26
27
28
29
30
31
32
37
34
35
36
33
39
40
41
42 43
45
44
46
47
48
38
25
49
DV
D
D
1
G PIO 0
G PIO 1
PD #
SD ATA-OUT
BI T- CLK
DV
S
S
2
SD ATA-I N
DV
D
D
-I
O
SY NC
R ESET#
PC BEEP
Sen se A
LIN E2-L
L IN E2-R
MIC 2-L
MIC 2-R
Sen se- B
JD REF
MON O- OUT
MIC 1-L
MIC 1-R
LIN E1-L
L IN E1-R
AV
SS
1
VREF
MIC 1- VR EFO-L
MIC 2-VR EFO
MIC 1-VR EFO-R
CR
V
R
E
F
HP-OU T-L
AV
SS
2
OPVEE
C BN
CBP
HP-OU T-R
PV
D
D
1
SPK- L+
SPK- L-
PV
SS
1
PV
SS
2
SPK- R+
SPK- R-
PV
D
D
2
SPD IFC2/EAPD
SPD IFO
AV
D
D
2
AV
D
D
1
GN
D
J_SPK1
87212-0 4G0
1
2
3
4
1
2
3
4
R18 4
10K_ 04
C27
180p_50V_ 04
C 300
0 .1U_16V_04
L4 3
HC B100 5KF-1 21T20
C 507
0.1U_16V_0 4
R18 5
1K_0 4
C27 6
10U _1 0V_08
C266
10U_10V_ 08
C2 5
18 0p_50 V_04
U 11
*G 92 4
1
2
3
4
5
SH DN #
GN D
BYP
OU T
VI N
R190
1K_04
C 50 4
1 0U _10 V_08
R191
1K_04
R 189
2 0K_1%_04
L2 6
FCM1 00 5KF-121T03
R 192
2 20_04
C51 0
1U _6. 3V_ 04
L2 5
FCM1 00 5KF-121T03
C50 9
1U _6. 3V_ 04
L2 4
FCM1 00 5KF-121T03
C3 16
0. 1u _16 V_04
L2 3
FCM1 00 5KF-121T03
C 299
1U_ 6. 3V_04
C3 14
0. 1u _16 V_04
C3 17
0. 1u _16 V_04
C3 08
0. 1u _16 V_04
R1 65
*100K_0 4
R193
75 _1%_04
C305
4. 7U_ 6. 3V_0 6
C304
4. 7U_ 6. 3V_0 6
C283
2. 2U_6. 3V_06
R
L
J SPD IF1
2SJ- S351-S30
2
6
5
3
1
4
C 281
2 .2U_6 .3V_06
C2 61
*0. 1U _16 V_0 4
C 284
*10U_10V_08
R188
75 _1%_ 04
R 186
2 0K_1%_04
C22
180p_50 V_ 04
R 187
3 9.2 K_1%_ 04
L13
HC B2012KF-500T40
1
2
L1 6
FC M1005KF-10 2T02
C 24
1 80p _5 0V_04
L15
H CB10 05KF- 12 1T2 0
C2 68
0. 1U _16V_04
R196
75 _1%_04
C 265
1 0U_ 10 V_08
D 10
SCS751V-4 0
A
C
R194
4. 7K_04
C506
0. 1U _16 V_04
R 177
22 _0 4
C 26 3
1 0U _10 V_08
C3 07
100P_5 0V_04
C 292
22P_50V_ 04
C2 98
0. 1U _16V_0 4
R
L
J_HP1
2SJ- S351-S30
2
5
3
1
4
6
C 17 6
6 80 P_50V_X7 R_ 04
C315
100P_5 0V_ X7R _04
L44
HCB1005KF-1 21T20
J _I NTMIC 1
88266-02 001
88266-2L
2
1
R
L
J _MI C1
2SJ- S351-S30
2
5
3
1
4
6
R195
4. 7K_04
C 30 6
1U_ 6. 3V_04
C50 8
1U_ 6. 3V_04
L20
FCM100 5KF-1 21T03
1
J_I NT MIC 1
2
PC BEEP
6-20-63120-102
SPDIF OUT
6-20-B2890-006
B LACK
MIC IN
HEADPHONE
SPEAKER CONNECTOR
6-20-41A00-104
Low mute!
3
ALL PHONE JACK
1
2
5
SOLDER SIDE VIEW
6
4
Layout Note:
Ver y clo se to Au dio Co de c
B LACK
6-20-B2890-006
B LAC K
6-20-B2890-006
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