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Schematic Diagrams
Audio Codec ALC662 B - 33
B.Schematic Diagrams
Audio Codec ALC662
Sheet 32 of 51
Audio Codec
ALC662
HP _L
MIC1_R_C
C855
10U_10V_08
PCBEEP_C
R322
4.7K_04
D03-0221
MIC1-VREFO-R
C573
680P_50V_X7R_04
C561
.1U_16V_04
AZ_SYN C_R
AZ_RS T#20,22,28
Z3202
AZ_SDIN022
MIC1-L
HP _R
R168
2.2K_04
AUDG
R300 33_04
A UDG
C578
10U_10V_08
R330
4.7K_04
FRONT_L
JDREF
MIC1_L
R321 20K_1%_04
BEEP
C585
.1U_16V_04
AUDG
ALC_GPIO0
C832 1U_10V_06
MIC1-R
C576 *.1U_16V_04
AUDG
SP DIFO28
MIC2-VREFO
MIC2 _L
R609 39.2K_1%_04
AZ_SYN C20,22,28
BEEP34
MIC2_L
JD _SEN SE28
R608 20K_1%_04
MIC1 _R
AZ_RST#_R
C574 4.7U_6.3V_06
2
MIC1-L
5VS 14,22,25,28,30,33,35,43
JD1
FRONT_R
D14 *SC S551V-30_A
AC
C581 4.7U_6.3V_06
J_INTMIC1
AZ_SDOUT20,22,28
ALC-LINE2-VREF O
J_INTMIC1
88266-02001
PCB Footprint = 88266-2R
2
1
C580 *.1U_16V_04
PC BEEP
MIC1-VREFO-L
AUDG
L_HP_OUT_A33
BEE P
MIC1-R
C845 4.7U_6.3V_06
AUDG
.
L41 HCB1608KF-121T25_06
3.3VS 2,3,6,7,10,12,13,14,15,22,23,24,25,26,27,28,29,30,31,33,34,35,39,41,43
C563
.1U_16V_04
Codec pin 1 ~ pin 11 and pin 47 and pin 48
are Digital signals.
The others are Analog signals.
AUDG
C839 4.7U_6.3V_06
MIC1-VREFO-L
U16
*G924
1
23
4 5
SHDN#
GNDBYP
OUT VIN
MIC1 _L
C856 10U_10V_08
C558 4.7U_6.3V_06
C569
*.1U_16V_04
C560
*1U_10V_06
AUDG
R_HP_O UT_A33
FRONT-L 33
5VS_AU D
1.5VS
Very close to Audio Codec
DIGITAL
ANALOG
U35
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-OUT
BIT-C LK
DVSS 2
SDATA-IN
DVDD 2
SYNC
RESET#
PCBEEP
Sen s e A ( JD 1)
LIN E2- L
LIN E2- R
MIC2 -L
MIC2 -R
CD-L
CD-GND
CD-R
MIC1 -L
MIC1 -R
LINE1-L
LIN E1-R
AVSS1
VREF
MIC1-VREFO-L
NC _1
MIC2-VREFO
LINE2-VREFO
MIC1-VREFO -R
NC _5
Sen s e B ( JD 2)
FRONT-OUT-L
FRONT-OUT-R
NC _2
SURR -OU T-L
JDREF
SURR-OUT-R
AVSS2
CEN-O UT
LFE- O U T
NC _3
NC _4
EAPD
SPDIFO
AVDD2
AVDD1
5V
MIC1-L28
R312 75_1%_04
C571
.1U_16V_04
C579
.1U _16V_04
1.5VS: FOR MONTEVINA PLATFORM
GMCH HD_AUDIO USED
Layout Note:
Layout Note:
NEAR CODEC
R304 22_04
C568
10U_10V_08
C572 *.1U_16V_04
C836 100P_50V_04
C584 4.7U_6.3V_06
FRONT-R 33
MIC1-VREFO-R
CODEC ( ALC662-GR)
Z3201
R554 1K_04
ICH_SPKR24
MIC2_R
C575 *.1U_16V_04
C829 1U_10V_06
3.3VS_AUD
JD_SENSE_B28
MIC1_L_C
C577 *.1U_16V_04
Very close to Audio Codec
.
L39 HCB1608KF-121T25_06
AZ_BITCLK_RR303 22_04
MIC2 _R
5VS
AZ_SDOUT_R
PCBEEP_R
ALC_GPIO1
MIC1-R28
AUDG
3.3VS
5V 25,28,35,36,37,38,39,41,42
MIC1_R
C582 4.7U_6.3V_06
1.5VS 4,10,22,23,25,26,27,35
C586 *.1U_16V_04
AZ_SDIN0_R
R 553 10K_04
R545 *0_04_+U
R301 33_04
1
C329
330P_50V_X7R_04
PIN25,PIN38 ? 1? 10uF/.1uF
JD2
D03-0305
AZ_BITCLK20,22,28
R302 22_04
MIC2-VREFO
ALC_VREF
C562 22P_50V_04
Layout Note:
EAPD_MODE33
R546 0_04_-U
R323 75_1%_04
C559 4.7U_6.3V_06
D03-0221
AUDG
IN T_MIC
C583
680P_50V_X7R_04
INT_MIC
D03-0226
FOOTPRINT 2L-->2R
L74 *10mil_short