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Audio Codec ALC269
CODEC (ALC269)
1.5VS
R183
PD# Control
AZ_RST# For 3.3V
3.3VS_AUD
HDA Link De-pop
VT1802P ±µR164
ALC269 ±µR165
R200
0_04
5VS_AUD
R259
*0_04
3.3VS_AUD
3.3VS
5VS_AUD
3.3VS_AUD
R164
D12 *RB751S-40C2
R165
EAPD_MODE
C
A
*10K_04
10K_04
D5 RB751S-40C2
C
A
1
21
HDA_RST#
4
2
R372
0_04
25,37
KBC_MUTE#
35
Q25
G
R176
*100K_04
5VS_AUD
*MTN7002ZHS3
HDA_RST#
B
Q26
AZ_RST# For 1.5V
*2N3904
HDA Link De-pop
3.3V
Layout Note:
Layout Note:
Close to PCH
Very close to
R199
Audio Codec
C610
22p_50V_NPO_04
*10K_04
21
HDA_SDIN0
R339
22_04
21
HDA_SDOUT
R419
22_04
21
HDA_BITCLK
D
S
R342
22_04
Q11 MTN7002ZHS3
21
HDA_SY NC
HDA_RST#
FOR VOLUMN ADJUST
5VS
D15
R436
PC BEEP
BAT54CS3
1
A
R433
37
KBC_BEEP
C
3
BEEP
2
A
C626
21
HDA_SPKR
3.3VS_AUD
5VS
20m s
AZ_RST#
PD#
Speaker wire length less than 8000m ils , It don't need LC Filter.
SPKOUTR+,R-,L+,L- Trace width
Speaker 4 ohm------> 40mils
Speaker 8 ohm------> 20mils
All manuals and user guides at all-guides.com
PVDD1_2
*0_04
R184
C325
C322
HCB1005KF-121T20
0.1u_16V_Y 5V_04
10u_6.3V_X5R_06
C618
C615
10u_6.3V_X5R_06
0.1u_16V_Y5V_04
C326
3.3VS_AUD
*0.1u_16V_Y 5V_04
L26
HCB1005KF-121T20
C355
C608
C604
C633
0.1u_16V_Y5V_04
10u_6.3V_X5R_06
0.1u_16V_Y 5V_04
0.1u_16V_Y 5V_04
U36
R257
MC74VHC1G08DFT2G
U26
PD#
0_04
R258
4
3.3VS_AUD
5VS_AUD
PD#
Sense A
10K_04
LINE2-L
SPKOUTL+
40
SPK-L+
LINE2-R
SPKOUTL-
41
R416
SPK-L-
MIC2-L
SPKOUTR-
44
*100K_04
SPK-R-
MIC2-R
SPKOUTR+
45
SPK-R+
Sense-B
47
EAPD_MODE
SPDIFC2/EAPD
48
30
SPDIFO
SPDIFO
JDREF
MONO-OUT
2
DMIC-DAT
GPIO0-DMIC-DAT
3
DMIC-CLK
GPIO1-DMIC-CLK
MIC1-L
MIC1-R
R428
33_04
DIGITAL
ANALOG
5
LINE1-L
AZ_SDOUT_R
SDATA-OUT
LINE1-R
6
AZ_BITCLK_R
BIT-CLK
VREF
8
AZ_SDIN0_R
SDATA-IN
LDO_CAP
MIC1-VREFO-R
AZ_SY NC_R
10
SYNC
MIC2-VREFO
R180
22_04
HDA_RST#R
11
RESET#
HP-OUT-L
HP-OUT-R
47K_04
BEEP_R
PCBEEP
12
PCBEEP
CBN
4.7K_04
C623 1u_6.3V_X5R_04
CBP
100p_50V_NPO_04
OPVEE
Please Let LC Filter
ALC269Q-VB6
together and close to
MIC1-VREFO-L
Codec.IF Speaker
wire length is less
AUDG
than 8000mils It don't
need the LC Filter.
Therm al Pad place 9
Via hole.
VT1802P ±µAUDG
ALC269 ±µGND
3,9,10,11,12,21,22,23,24,25,26,27,28,30,31,33,34,35,37,38,43,45
R415
Layout note:
*15mil_short_06
GND and AUDG space is
5VS
60mils ~ 100mils
C597
VT1802P
L50,C469 ¤£¤W¥ó
ALC269
L50,C469 -n¤W¥ó
*10u_6.3V_X5R_06
5VS_AUD
L50
5VS
HCB1005KF-121T20
C599
C600
C629
C317
10u_6.3V_X5R_06
0.1u_16V_Y 5V_04
*10u_6.3V_X5R_06
1u_6.3V_X5R_04
ANALOG
DIGITAL
AUDG
C775
*100p_50V_NPO_04
AUDG
13
SENSE_A
R437
20K_1%_04
JD_SENSE 30
14
LINE2-L
R438
39.2K_1%_04
JD_SENSE_B 30
15
LINE2-R
VT1802P
10u
16
MIC2_L
INT_MIC
C632
4.7u_6.3V_X5R_06
17
MIC2_R
C631
4.7u_6.3V_X5R_06
18
SENSE-B
NEAR CODEC
VT1802P
5.1K_1%_04
19
JDREF
R198
20K_1%_04
AUDG
20
C642
*100p_50V_NPO_04
21
MIC1-L_R
C638
4.7u_6.3V_X5R_06
MIC1_L
22
MIC1-R_R
C637
4.7u_6.3V_X5R_06
MIC1_R
VT1802P
10u
23
SPKOUTL 35
24
C620
0.1u_16V_Y5V_04
SPKOUTR 35
27
VREF-ALC269
C624
2.2u_6.3V_X5R_06
VT1802P
10u
28
LDO_CAP
C616
10u_6.3V_X5R_06
30
MIC1-VREFO-R
MIC2-VREFO
VT1802P
NC PIN
29
MIC2-VREFO
AUDG
32
HEADPHONE-L
HEADPHONE-L 30
33
HEADPHONE-R
HEADPHONE-R 30
35
CBN-AL269
C607
2.2u_6.3V_X5R_06
INT_MIC
R214
36
CBP-ALC269
34
OPVEE-ALC269
VT1802P
330P
C609
680p_50V_X7R_04
2.2u_6.3V_X5R_06
VT1802P
75_1%_05
MIC1_R
R448
AUDG
MIC1_L
R449
MIC1-VREFO-L
R426
MIC1-VREFO-R
R427
VT1802P
4.7K_1%_05
27,38
1.5VS
12,21,27,28,30,31,34,35,38,43,45
5VS
2,3,6,12,19,21,22,23,25,26,27,28,30,31,32,38,40,41,42
3.3V
3.3VS
Schematic Diagrams
Sheet 36 of 55
EMI Require
Audio Codec
L24
HCB1005KF-121T20
ALC269
AUDG
JP1
*10mil_short
JP2
*10mil_short
C353
0.1u_16V_Y 5V_04
C619
0.1u_16V_Y 5V_04
AUDG
J_INTMIC1
2
1
R213
VT1802P
3.3K_04
4.7K_1%_04
J_INTMIC1
1K_04
2
1
C460
CI4302M1HR0-NH
PCB Footprint = CI43-02MXH-R
6-20-63150-102
1K_04
MIC1-R
30
1K_04
MIC1-L
30
2.2K_04
2.2K_04
Audio Codec ALC269 B - 37
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