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Schematic Diagrams
Audio Codec ALC662 B - 25
B.Schematic Diagrams
Audio Codec ALC662
Close to codec pin 38
5VS_AUD
C259
0.1U_16V_04
C506
0.1U_16V_04
GREEN
AUDG
C568
680P_50V_X7R_04
R334
2.2K_04
5V S[12,13,16,19,21,25,27]
MIC_SENSE
M IC1-VREFO -R
Z2404
C574
0.01U_16V_X7R_04
AZ_SDIN0[13]
R312 33_04
Z2412
L46 FCM1005KF-121T03
AUDG
Z2424
R385 *0_04
CO DEC _EAPD #[25]
C588
680P_50V_X7R_04
MIC1-L_ 73
BLACK
HP-R[25]
HP-L_73
MIC1-L
AUDG
INT_MIC
Z2408
HP-R_73
R337
220_04
Layout Note:
J_IN TMIC1
88266-02001
PCB Footprint = 88266-2L
2
1
A UD_AZ_RST#[13,25]
MIC1-R_7 3
BEEP
ICH_SPKR[15]
HP_PLUG[25]
FRONT-R [25]
Z2409
SPDIF O UT
KBC _BEEP[26]
FRONT-L [25]
MIC_SENS E
L47 FCM1005KF-121T03
C556 4.7U _6.3V_X5R _06
INT_MIC
C565
4.7U_6.3V_X5R_06
FOR M730T
HP-L
C514
10U_10V_08
R388 *0_04
MIC1 -R_ 7 3
C155
680P_50V_X7R_04
C576
1U_10V_06
R142 20K_1%_04
AUDG
C562 0. 1U _16V_04
HP_OUT-L [25]
SPDIFO
MIC1-VR EFO-R
MIC1 -L
L38 HCB1005KF-121T20
Close to codec
R116 4.7K_04
1
C236
0.1U_16V_04
R
L
J_MIC_72
C12103-D0609-L
2
6
5
3
1
4
HEADPHONE
For M730T
AUDG
5VS
HP-L[25]
AUD_AZ_SDOUT[13]
Z2411
R386 *0_04
L54 FC M 1005KF-102T02
AUDG
4
Layout Note:
3.3VS_AUD
MIC_SENSE
C575
10U_10V_08
M IC1-VREFO -L
AUD_AZ_SYNC[13]
HP_SENSE
MIC1 -R
FOR M720T
Z2421
5
C567
0.1U_16V_04
MIC1-VREFO -L
Z2408
BEEP
Z2427
AZ_SDIN0_R
C237
0.1U_16V_04
MIC2 -VREFO
AUDG
MIC1 -L
Z2410
HP-R _73
JD _S E N SE 1
L45
HCB1005KF-121T20
AUDG
Z2426
AUDG
R72
4.7K_04
C530 22P_50V_04
HP-R
JD _S E N SE 2
AUDG
2
Z2409
Layout Note:
6
2
SPDIFO
Layout Note:
R320 39.2K_1%_04
SPDIFO_73
Z2410
Z2411
R329 1K_04
AUD_AZ_BITCLK[13]
Z2425
L48 FCM1005KF-121T03
C558 0. 1U _16V_04
3
C566
10U_10V_08
3.3VS[5,8..16,18..23,25..27,31]
R387 *0_04
R
L
J_SPDIF_72
C12103-10609-L
2
6
5
3
1
4
3.3VS
HP_SENS E
C578
680P_50V_X7R_04
C570
10U _10V_08
1
Z2428
C577
680P_50V_X7R_04
MIC2-VREFO
J_INTMIC1
C 238 100P_50V_04
C523 1U_10V_06
R389 *0_04
L50 FCM1005KF-121T03
PINK
C228 1U_10V_06
AUDG
R333
2.2K_04
AU DG
Z2430
C560 4.7U _6.3V_X5R _06
Very close to Audio Codec
Close to codec pin 25
HP_OUT-R [25]
C569
680P_50V_X7R_04
HP-L_73
Z2403
C548 0. 1U _16V_04
MIC1-R
L16
HCB1608KF-121T25
C555 0. 1U _16V_04
DIGITAL
ANALOG
U25
ALC662-GR
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
33
34
35
36
37
39
40
41
42
43
44
45
46
47
48
38
25
D VDD1
GPIO0
GPIO1
DVSS1
SDATA-OU T
BIT-CLK
DVSS2
SDATA-IN
DVDD 2
SYN C
RESET#
PCBEEP
Sense A(JD1)
LINE2-L
LINE2-R
MIC2-L
MIC2-R
CD -L
CD -GND
CD -R
MIC1-L
MIC1-R
LINE1-L
LINE1-R
AVSS1
VREF
MIC1-VREFO-L
N.C .
MIC2-VREFO
LINE2-VREFO
MIC1-VREFO-R
N.C .
Sense B(JD2)
FRONT-OUT-L
FRONT-OUT-R
N.C .
SU RR-O UT-L
JDREF
SURR -OUT-R
AVSS2
CEN
LFE
N.C .
N.C .
EAPD
SPDIFO
AVDD2
AVDD1
SPDIFO_73
Codec pin 1 ~ 11 and pin 47 ~ 48
are Digital signals.
The others are analog signals.
HP_PLUG
R117 47K_04
5VS_AUD
C563
4.7U_6.3V_X5R_06
HP_PLU G
C580
1000P_50V_X7R_04
MIC IN
MIC1 -R
J_A U D _73
*87151-12071G
1
2
3
4
5
6
7
8
9
10
11
12
C227 1U_10V_06
R323 20K_1%_04
Layout Note:
C579
680P_50V_X7R_04
R330 1K_04
R
L
J_HP_72
C12103-60609-L
2
6
5
3
1
4
R385,R386,R387,R388,
R389
MIC1 -L_7 3
HP_SENSE
Z2429
EAPD_MODE
Sheet 24 of 40
Audio Codec
ALC662