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