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Schematic Diagrams
Audio Codec ALC269
AUDIO CODEC
ALC269 VB
VT1802P
Sheet 29 of 43
Audio Codec
ALC269
13
HDA_SYNC
3.3VS_AUD
5VS
AZ_RST#
PD#
Speaker wire length less than 8000mils , It don't need LC Filte r.
SPKOUTR+,R-,L+,L- Trace w idth
Speaker 4 ohm------> 40mils
Speaker 8 ohm------> 20mils
B - 30 Audio Codec ALC269
R527
*0_04
1.5VS
R529
0_04
3.3VS_AUD
C513
10u_10V_Y 5V_08
3.3VS
3.3VS
3.3VS_AUD
R567
*20mil_04
R775
100K_04
EAPD_MODE
C281
C280
0.1u_16V_Y5V_04
10u_10V_Y 5V_08
3.3VS
5VS
VT1802P
ALC269
¹w¯d
R757
R518
D31
*10K_04
*100K_04
HDA_RST#
1
A
13
HDA_RST#
3
PD#
C
2
A
27
KBC_MUTE#
BAT54AS3
SPKOUTL+
SPKOUTL-
30
SPKOUTR-
30
SPKOUTR+
Q32
G
R514
*100K_04
*MTN7002ZHS3
EAPD_MODE
5VS
SPDIFO
DMIC-DAT
Q27
HDA_RST#
G
DMIC-CLK
*BSS138_NL
13
HDA_SDOUT
C291
22p_50V_NPO_04
13
HDA_BITCLK
R354
33_04
AZ_SDIN0_R
13
HDA_SDIN0
HDA_RST#
BEEP_R
D13
C309
BAT54CS3
1
A
1u_6.3V_X5R_04
27
KBC_BEEP
3
BEEP
BEEP_C
C
R367
10K_04
2
A
13
HDA_SPKR
FOR VOLUMN
R365
C308
ADJUST
5.1K_1%_04
100p_50V_NPO_04
20m s
PVDD1_2
DVDD_IO
R510
*28mil_06
C299
C498
C271
0.1u_16V_Y 5V_04
10u_10V_Y5V_08
0.1u_16V_Y 5V_04
C499
C270
5VS_AUD
10u_10V_Y 5V_08
0.1u_16V_Y 5V_04
C283
0.1u_16V_Y5V_04
C497
C496
C510
0.1u_16V_Y5V_04
10u_10V_Y 5V_08
0.1u_16V_Y5V_04
AUDG
U29
4
13
SENSE_A
R369
PD#
Sense A
14
LINE2-L
R368
40
LINE2-L
15
LINE2-R
SPK-L+
LINE2-R
41
SPK-L-
16
MIC2_L
MIC2-L
44
17
MIC2_R
SPK-R-
MIC2-R
45
ALC269
SPK-R+
18
SENSE-B
47
Sense-B
VT1802P
48
SPDIFC2/EAPD
19
JDREF
R523
SPDIFO
JDREF
20
MONO-OUT
C512
MONO-OUT
2
GPIO0
3
21
MIC1-L_R
C306
10u_6.3V_X5R_06
GPIO1
MIC1-L
22
MIC1-R_R
C307
10u_6.3V_X5R_06
MIC1-R
DIGITAL
ANALOG
23
LINE1-L
LINE1-L
5
24
LINE1-R
SDATA-OUT
LINE1-R
6
27
VREF-ALC269
BIT-CLK
VREF
8
28
LDO_CAP
SDATA-IN
LDO_CAP
30
MIC1-VREFO-R
MIC1-VREFO-R
10
29
MIC2-VREFO
SY NC
MIC2-VREFO
11
32
HEADPHONE-L
RESET#
HP-OUT-L
33
HEADPHONE-R
12
HP-OUT-R
PCBEEP
35
CBN-AL269
C272
CBN
36
CBP-ALC269
CBP
34
OPVEE-ALC269
OPVEE
VT1802P
MIC1-VREFO-L
AUDG
MIC2-VREFO
R130
INT_MIC
R128
R365
Close to Codec
AL269
4.7K_04
VT1802P
5.1K_1%_04
R367
R130
AL269
47K_04
AL269
4.7K_04
VT1802P
10K_04
VT1802P
3.3K_04
MIC1_L
R343
MIC1_R
R351
MIC1-VREFO-R
R350
MIC1-VREFO-L
R345
3,9,10,11,12,13,14,15,16,17,18,19,20,23,24,25,27,28,30,31,36
5VS
ALC269
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VT1802P ¤£¤W¥ó
5VS
L40
*HCB1005KF-121T20
1
2
C509
C494
10u_10V_Y 5V_08
*1u_6.3V_X5R_04
R616
AUDG
C503
MIC_SENSE
20K_1%_04
C502
MIC_SENSE 30
39.2K_1%_04
HP_SENSE
HP_SENSE 30
20K_1%_04
EMI Require
5.1K_1%_04
5.1K_1%_04
*100p_50V_NPO_04
MIC1_L
AUDG
MIC1_R
C301
0.1u_16V_Y 5V_04
C304
10u_6.3V_X5R_06
ALC269
2.2u;
VT1802P
10u
C298
*2.2u_6.3V_X5R_06
ALC269
2.2u
HEADPHONE-L 30
VT1802P
NC
HEADPHONE-R 30
AUDG
2.2u_6.3V_X5R_06
L24
*FCM1608K-121T06_short
C279
SPKOUTL+
SPKOUTL+_L
C293
C295
2.2u_6.3V_X5R_06
*1u_6.3V_X5R_04
*180p_50V_NPO_04
AUDG
SPKOUTL-
SPKOUTL-_L
3.3K_1%_04
L23
C289
J_INTMIC1
*FCM1608K-121T06_short
1K_04
*180p_50V_NPO_04
1
2
C118
88266-02001
100p_50V_NPO_04
J_INTMIC1
2
1
C118
C511
10u_6.3V_X5R_06
INT_MIC
C514
10u_6.3V_X5R_06
AL269
680p
VT1802P
100p
C590
1K_04
*0.1u_16V_Y5V_04
MIC1-L
30
1K_04
MIC1-R
30
3.3K_1%_04
3.3K_1%_04
R345 & R350
AL269
2.2K_04
VT1802P 3.3K_1%_04
19,31
1.5VS
3.3VS
11,12,13,19,20,25,30,31,36,37
5VS
*28mil_06
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
AUDG
J_SPKL1
1
2
85204-02001
J_SPKL1
2
1
MIC2_L
MIC2_R
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