Audio Codec Alc269 - EUROCOM A110EU Service Manual

Audio Codec ALC269

ALC269
AUDIO CODEC
EMI Require
ALC269 VB
1 2
L21 *HCB1005KF-121T20
AUDG
JP1 *10mil_short
JP2 *10mil_short
For 3.3V HDA Link.
C616 0.1u_16V_Y 5V_04
R252 *10mil_short
3.3VS_AUD
C292 0.1u_16V_Y 5V_04
AUDG
3.3VS
L44
HCB1005KF-121T20
1
C610
0.1u_16V_Y 5V_04
7/13
25,27 EAPD_MODE
R260 33_04
14 HDA_SDOUT
C296 10p_50V_NPO_04
R259 33_04
14 HDA_BITCLK
R257
14 HDA_SDIN0
R253 33_04
14 HDA_SY NC
R251 33_04
14 HDA_RST#
PC BEEP D16
BAT54CW(lision)
1
A
25 KBC_BEEP
3 BEEP
C R497 47K_04
2
A
14 HDA_SPKR
FOR VOLUMN
ADJUST
3.3VS_AUD
5VS
20m s
AZ_RST#
PD#
Speaker wire length less than 8000mils , It don't need LC Filter.
SPKOUTR+,R-,L+,L- Trace width
Speaker 4 ohm------> 40mils
Speaker 8 ohm------> 20mils
PVDD1_2
C602 C302
10u_10V_Y 5V_08_E
0.1u_16V_Y 5V_04
DVDD_IO
C295 C294
C613 C301
10u_10V_Y 5V_08_E 0.1u_16V_Y 5V_04 *10u_10V_Y5V_08 0.1u_16V_Y 5V_04
3.3VS_AUD
2
C559
C612 C303
0.1u_16V_Y 5V_04
10u_10V_Y 5V_08_E 0.1u_16V_Y 5V_04
AUDG
AUDG
U58
4
PD# Sense A
3.3VS_AUD
LINE2-L
40
SPK-L+ LINE2-R
41
SPK-L-
MIC2-L
44
R266
SPK-R- MIC2-R
45
100K_04
SPK-R+
Sense-B
EAPD_MODE 47
SPDIFC2/EAPD
48
SPDIFO JDREF
MONO-OUT
2
GPIO0-DMIC-DAT
3
GPIO1-DMIC-CLK MIC1-L
MIC1-R
AZ_SDOUT_R
DIGITAL ANALOG
LINE1-L
5
SDATA-OUT LINE1-R
AZ_BITCLK_R 6
BIT-CLK VREF
33_04 AZ_SDIN0_R 8
SDATA-IN LDO_CAP
10 MIC1-VREFO-R
AZ_SY NC_R
SY NC MIC2-VREFO
11
HDA_RST#R
RESET# HP-OUT-L
HP-OUT-R
12
BEEP_R
PCBEEP
CBN
C284
CBP
OPVEE
1u_6.3V_X5R_04
BEEP_C
ALC269Q-VB6
R507 C548
4.7K_04 100p_50V_NPO_04
MIC1_VREFO_L
AUDG
Thermal Pad place 9
Via hole.
5,9,10,11,13,14,15,18,21,24,25,27,28,30,31,33,34,35,36,40
Layout note:
5VS
R543
GND and AUDG space is
60mils ~ 100mils
*15mil_short_06
VT1802P L75 ,C720¤£¤W¥ó
MIC2_VREFO
ALC269VB L75,C720 -n¤W¥ó
ANALOG DIGITAL
5VS_AUD
5VS
L41
HCB1005KF-121T20
1 2
C562 C300 C600 C579
10u_10V_Y 5V_08_E 0.1u_16V_Y 5V_04 10u_10V_Y 5V_08_E
AUDG AUDG R4
1K_04
Close to Codec
13
SENSE_A R243 20K_1%_04
MIC_SENSE 27
14
LINE2_L R244 39.2K_1%_04
INT_HP_SENSE 27
15
LINE2_R
16
MIC2_L C280 4.7u_6.3V_X5R_06
17
MIC2_R C279 4.7u_6.3V_X5R_06 INT_MIC
18 SENSE_B
19 JDREF
R502 20K_1%_04
AUDG
20 MONO_OUT
C281 *100p_50V_NPO_04
Close to Codec
21 MIC1_L_C MIC1_L MIC1-L
C554 4.7u_6.3V_X5R_06 R495 1K_04
22 MIC1_R_C MIC1_R MIC1-R
C555 4.7u_6.3V_X5R_06 R496 1K_04
23 INT_FRONT-L-C
R586 10K_04
24 INT_FRONT-R-C R587 10K_04
27 CODEC_VREF C290 0.1u_16V_Y 5V_04
C291 2.2u_6.3V_X5R_04 R588
28 LDO_CAP
20K_04
30
MIC1_VREFO_R
29
MIC2_VREFO C293 10u_6.3V_X5R_08_E
AUDG
32
HP-OUT-L R499 499_1%_04
INT_HEADPHONE-L 27
33
HP-OUT-R R501 499_1%_04
INT_HEADPHONE-R 27
AUDG
35
CODEC_CBN C297 2.2u_6.3V_X5R_04
6/21
36
CODEC_CBP
34
Z2603
MIC1_VREFO_L R518
MIC1_VREFO_R
C566 R516
MIC1_L C677 1500p_50V_04
2.2u_6.3V_X5R_04 MIC1_R C678 1500p_50V_04
6/27
AUDG
INT_HEADPHONE-L
R536
INT_HEADPHONE-R
R535
27,33 AUDG
3.3VS
2,5,25,30,32,34,35,36,38 3.3V
18,24,31,34,40,41 5VS
Schematic Diagrams
5 8
C o m p o n e n t .
INT_MIC_OUT 33
J_INTMIC1
2 1
R5
4.7K_04
J_INTMIC3
INT_MIC_OUT
1
2
C6
85205-02701
Sheet 26 of 45
680p_50V_X7R_04 PCB Footprint = 85204-2P_L
Audio Codec
AUDG
ALC269
C3 *0.022u_16V_X7R_04
AUDG
MIC1-L 27
MIC1-R 27
INT_FRONT-L 27
INT_FRONT-R 27
R589
20K_04
AUDG
2.2K_04 MIC1-L
MIC1-R
2.2K_04
AUDG
*2.2K_04
AUDG
*2.2K_04
Audio Codec ALC269 B - 27