Audio Codec Alc269 - EUROCOM A110SU Service Manual

Audio Codec ALC269

5
ALC269
AUDIO CODEC
EMI Require
ALC269 VB
L17 L17 *HCB1005KF-121T20 *HCB1005KF-121T20
1 2
AUDG R603 R603
D 1.5VS
JP3 JP3 *10mil_short *10mil_short
JP1 JP1 *10mil_short *10mil_short
For 3.3V HDA Link.
C256 C256 0.1u_16V_Y5V_04 0.1u_16V_Y5V_04
R505 R505
3.3VS_AUD
C237 C237 0.1u_16V_Y5V_04 0.1u_16V_Y5V_04
AUDG
3.3VS
HCB1005KF-121T20 HCB1005KF-121T20
1
C515 C515
PN: 6-20-43130-104
3.3VS
0.1u_16V_Y5V_04 0.1u_16V_Y5V_04
*47p_50V_NPO_04 *47p_50V_NPO_04
*85205-04001 *85205-04001 C735 C735 L72 L72
*HCB1005KF-121T20 *HCB1005KF-121T20
1
1 2
2
1 2
5VS
3
*47p_50V_NPO_04 *47p_50V_NPO_04
4
NC2 C736 C736 *HCB1005KF-121T20 *HCB1005KF-121T20
J_DMIC1 J_DMIC1
L71 L71
C
DMIC PIN ,
CABLE
25,27
*47p_50V_NPO_04 *47p_50V_NPO_04
C738 C738
DIGITAL MIC
*47p_50V_NPO_04 *47p_50V_NPO_04
C737 C737
11 HDA_SDOUT
22p_50V_NPO_04 22p_50V_NPO_04
11 HDA_BITCLK
R506 R506
11 HDA_SDIN0
11 HDA_SYNC
11 HDA_RST#
PC BEEP D10 D10
BAT54CW(lision) BAT54CW(lision)
A A
1
25 KBC_BEEP
C C BEEP R246 R246 47K_04 47K_04 BEEP_C
3
A A
2
11 HDA_SPKR
B
R240 R240
4.7K_04 4.7K_04
3.3VS_AUD
5VS
20ms
AZ_RST#
PD#
Speaker wire length less than 8000mils , It don't need LC Filter.
A
SPKOUTR+,R-,L+,L- Trace width
Speaker 4 ohm------> 40mils
Speaker 8 ohm------> 20mils
5
4 3
PVDD1_2
*0_04 *0_04
C506 C506 C512 C512
10u_10V_Y5V_08_E 10u_10V_Y5V_08_E
0.1u_16V_Y5V_04 0.1u_16V_Y5V_04
DVDD_IO
*10mil_short *10mil_short
C534 C534 C532 C532
C507 C507 C513 C513
10u_10V_Y5V_08_E 10u_10V_Y5V_08_E 0.1u_16V_Y5V_04 0.1u_16V_Y5V_04 10u_10V_Y5V_08_E 10u_10V_Y5V_08_E 0.1u_16V_Y5V_04 0.1u_16V_Y5V_04
L47 L47 3.3VS_AUD
2
C252 C252
C522 C522 C240 C240
0.1u_16V_Y5V_04 0.1u_16V_Y5V_04
10u_10V_Y5V_08_E 10u_10V_Y5V_08_E 0.1u_16V_Y5V_04 0.1u_16V_Y5V_04
AUDG
U32 U32
R497 R497 10K_04 10K_04 D_PD# 4
PD# Sense A
3.3VS_AUD
LINE2-L
40
SPK-L+ LINE2-R
41
SPK-L-
MIC2-L
R220 R220
44
SPK-R- MIC2-R
100K_04 100K_04
45
SPK-R+
Sense-B
47
EAPD_MODE SPDIFC2/EAPD
L74 L74 48
SPDIFO JDREF
*HCB1005KF-121T20 *HCB1005KF-121T20
MONO-OUT
1 2 2
GPIO0-DMIC-DAT
1 2 3
GPIO1-DMIC-CLK MIC1-L
MIC1-R
*HCB1005KF-121T20 *HCB1005KF-121T20 DIGITAL DIGITAL
ANALOG ANALOG
L73 L73
LINE1-L
5
SDATA-OUT LINE1-R
C526 C526
6
BIT-CLK VREF
22_04 22_04 AZ_SDIN0_R 8
SDATA-IN LDO_CAP
MIC1-VREFO-R
10
SYNC MIC2-VREFO
11
RESET# HP-OUT-L
HP-OUT-R
BEEP_R
12
PCBEEP
CBN
C544 C544 C540 C540
CBP
OPVEE
1u_6.3V_X5R_04 1u_6.3V_X5R_04 100p_50V_NPO_04 100p_50V_NPO_04
ALC269Q-VB7 ALC269Q-VB7
C250 C250 Modify VT1802S-QFN48-6X6M
100p_50V_NPO_04 100p_50V_NPO_04
AUDG MIC1_VREFO_L
Thermal Pad place 9
Via hole.
3,5,9,10,11,12,13,14,15,17,18,19,21,24,25,27,28,30,31,33,34,35,36,40
4 3
2
Layout note:
5VS
R478 R478 GND and AUDG space is
60mils ~ 100mils
*15mil_short_06 *15mil_short_06
MIC2_VREFO
ALC269VB L46,C498
ANALOG DIGITAL
5VS_AUD
5VS
L46 L46
HCB1005KF-121T20 HCB1005KF-121T20
1 2
C514 C514 C498 C498
C248 C248 C521 C521
10u_10V_Y5V_08_E 10u_10V_Y5V_08_E 0.1u_16V_Y5V_04 0.1u_16V_Y5V_04 10u_10V_Y5V_08_E 10u_10V_Y5V_08_E
AUDG AUDG R526 R526
AUDG
1K_04 1K_04
Close to Codec
13 SENSE_A R514 R514 20K_1%_04 20K_1%_04
MIC_SENSE 27
LINE2_L R513 R513 39.2K_1%_04 39.2K_1%_04
14 T37 T37
HP_SENSE 27
LINE2_R
15
T36 T36
16 MIC2_L C545 C545 4.7u_6.3V_X5R_06 4.7u_6.3V_X5R_06
MIC2_R C546 C546 4.7u_6.3V_X5R_06 4.7u_6.3V_X5R_06 INT_MIC
17
SENSE_B
18 T35 T35
19 JDREF R515 R515 20K_1%_04 20K_1%_04
AUDG
MONO_OUT C254 C254 *100p_50V_NPO_04 *100p_50V_NPO_04
20
T34 T34
Close to Codec
MIC1_L_C C547 C547 4.7u_6.3V_X5R_06 4.7u_6.3V_X5R_06 MIC1_L R529 R529 1K_04 1K_04 MIC1_L_M
21
MIC1_R_C C548 C548 4.7u_6.3V_X5R_06 4.7u_6.3V_X5R_06 MIC1_R R527 R527 1K_04 1K_04 MIC1_R_M
22
23 INT_FRONT-L-C R594 R594 0_04 0_04 R516 R516 10K_04 10K_04
INT_FRONT-R-C R595 R595 0_04 0_04 R510 R510 10K_04 10K_04
24
CODEC_VREF C536 C536 0.1u_16V_Y5V_04 0.1u_16V_Y5V_04
27
C537 C537 1u_6.3V_X5R_06 1u_6.3V_X5R_06 R511 R511
28 LDO_CAP 20K_04 20K_04
MIC1_VREFO_R
30
MIC2_VREFO C242 C242 10u_6.3V_X5R_06_E 10u_6.3V_X5R_06_E
29
AUDG
32 HP-OUT-L R499 R499 499_1%_04 499_1%_04
INT_HEADPHONE-L 27
33 HP-OUT-R R498 R498 499_1%_04 499_1%_04
INT_HEADPHONE-R 27
AUDG AUDG
CODEC_CBN C523 C523 2.2u_6.3V_X5R_04 2.2u_6.3V_X5R_04
35
36 CODEC_CBP MIC1_VREFO_L R503 R503
34 OPVEE MIC1_VREFO_R R507 R507
C241 C241
MIC1_L C560 C560 1500p_50V_04 1500p_50V_04
2.2u_6.3V_X5R_04 2.2u_6.3V_X5R_04 MIC1_R C550 C550 1500p_50V_04 1500p_50V_04
AUDG
INT_HEADPHONE-L R502 R502
INT_HEADPHONE-R R496 R496
DMFWP!DP/!!
11,13,16,17,18,19,24,30,38 1.5VS
Title Title Title
[26]AUDIO CODEC ALC269 [26]AUDIO CODEC ALC269 [26]AUDIO CODEC ALC269
27,33 AUDG
11,24,25,31,33,34,36,40 5VS
Size Size Size Document Number Document Number Document Number
2,11,19,25,30,32,33,34,35,36,38,39 3.3V
Custom Custom Custom
3.3VS
Date: Date: Date: Monday, August 19, 2013 Monday, August 19, 2013 Monday, August 19, 2013
2
Schematic Diagrams
1
D
INT_MIC_OUT 33
J_INTMIC1
2 1
R521 R521
4.7K_04 4.7K_04
J_INTMIC3 J_INTMIC3
INT_MIC_OUT
1
2
C559 C559
85205-02701 85205-02701
Sheet 26 of 46
100p_50V_NPO_04 100p_50V_NPO_04 PCB Footprint = 85204-2P_L PCB Footprint = 85204-2P_L
Audio Codec
AUDG
ALC269
C558 C558 *0.022u_16V_X7R_04 *0.022u_16V_X7R_04
C
AUDG
MIC1_L_M 27
MIC1_R_M 27
INT_FRONT-L 27
INT_FRONT-R 27
R517 R517
20K_04 20K_04
2.2K_04 2.2K_04 MIC1_L_M
2.2K_04 2.2K_04 MIC1_R_M
AUDG
B
*2.2K_04 *2.2K_04
AUDG
*2.2K_04 *2.2K_04
A
Rev Rev Rev
6-71-A11S0-D02 6-71-A11S0-D02 6-71-A11S0-D02
1.0 1.0 1.0
Sheet Sheet Sheet 26 26 26 of of of 46 46 46
1
Audio Codec ALC269 B - 27