Service manual

Schematic Diagrams
Audio Codec ALC269 B - 27
B.Schematic Diagrams
Audio Codec ALC269
Sheet 26 of 45
Audio Codec
ALC269
AUDG
6/27
AUDG
3.3VS5,9,10,11,13, 14,15,18, 21,24,25, 27,28, 30,31,33,34,35,36, 40
AUDG
R259 33_04
AZ_BITCLK_R
C296 10p_50V_NPO_04
R253 33_04
HDA_BITCLK14
AZ_SY NC_R
R251 33_04
HDA_SYNC14
R257 33_04
HDA_RST#14
AZ_SDIN0_R
HDA_SDOUT14
HDA_SDIN014
AZ_SDOUT_R
R260 33_04
HDA_RST#R
ALC269
R535 *2.2K_04
R536 *2.2K_04
INT_HEADPHONE-L
INT_HEADPHONE-R
C678 1500p_50V_04
6/21
J_INTMIC3
85205-02701
PCB Footprint = 85204-2P_L
2
1
R588
20K_04
MIC_SENSE 27
INT_HP_SENSE 27
R587 10K_04
AUDG
R252 *10mil_short
R502 20K_1%_04
R495 1K_04
DIGITAL
ANALOG
U58
ALC269Q-VB6
DVDD1
1
GPIO0-DMIC-DAT
2
GPIO1-DMIC-CLK
3
PD#
4
SDATA-OUT
5
BIT-CLK
6
DVSS2
7
SDATA-IN
8
DVDD-IO
9
SYNC
10
RESET#
11
PCBEEP
12
Sense A
13
LINE2-L
14
LINE2-R
15
MIC2- L
16
MIC 2-R
17
Sense-B
18
JDREF
19
MON O-OU T
20
MIC1- L
21
MIC 1-R
22
LINE1-L
23
LINE1-R
24
AVSS1
26
VREF
27
LDO_CAP
28
MIC2-VREFO
29
MIC1-VREFO-R
30
MIC1-VREFO-L
31
HP-OUT-L
32
AVSS2
37
OPVEE
34
CBN
35
CBP
36
HP-OUT-R
33
PVDD1
39
SPK-L+
40
SPK-L-
41
PVSS1
42
PVSS2
43
SPK-R+
45
SPK-R-
44
PVDD2
46
SPDIFC2/EAPD
47
SPDIFO
48
AVDD2
38
AVDD1
25
GND
49
L21 *HCB1005KF -121T20
1 2
C280 4.7u_6.3V_X5R_06
C303
0.1u_16V_Y5V_04
C302
0.1u_16V_Y 5V_04
C
A
A
D16
BAT54CW(lision)
1
2
3
C548
100p_50V_NPO_04
C291 2.2u_6.3V_X5R_04
C600
10u_10V_Y5V_08_E
C281 *100p_50V_NPO_04
R497 47K_04 R516 2.2K_04
C562
10u_10V_Y5V_08_E
C290 0.1u_16V_Y5V_04
L44
HCB1005KF -121T20
1 2
C284
1u_6.3V_X5R_04
R496 1K_04
C297 2.2u_6.3V_X5R_04
C579
1u_6.3V_X5R_04
C616 0.1u_16V_Y5V_04
C613
*10u_10V_Y5V_08
R507
4.7K_04
R518 2.2K_04
AUDG
C6
680p_50V_X7R_04
3.3VS_AUD
AUDG
5VS
5VS_AUD
AUDG
AUDG
3.3VS
AUDG
AUDG
3.3VS_AUD
5VSPVDD1_2
DVDD_IO
AUDG
AUDG
AUDG
AUDG
HDA_SPKR14
KBC_BEEP25
Close to Codec
Close to Codec
ALC269VB L75,C720 -n¤W¥ó
VT1802P L75 ,C720¤£¤W¥ó
AUDG
ALC269 VB
R266
100K_04
EMI Require
Speaker wire length less than 8000mils , It don't need LC Filter.
PD#
AZ_RST#
20ms
3.3VS_AUD
Speaker 4 ohm------> 40mils
5VS
Speaker 8 ohm------> 20mils
SPKOUTR+,R-,L+,L- Trace width
AUDIO CODEC
ANALOG DIGITAL
Thermal Pad place 9
Via hole.
PC BEEP
Layout note:
GND and AUDG space is
60mils ~ 100mils
3.3VS_AUD
7/13
FOR VOLUMN
ADJUST
J_INTMIC1
21
R543
*15mil_short_06
For 3.3V HDA Link.
3.3V2,5,25,30,32,34,35,36,38
EAPD_MODE
BEEP_R
MIC2_VREFO
MIC1_VREFO_R
Z2603
CODEC_CBP
CODEC_CBN
MIC 1_L_C
MIC1_R_C
MIC 2_R
MIC 2_L
SENSE_B
MONO_OUT
LINE2_R
MIC1_VREFO_R
MIC1_VREFO_L MIC1- L
MIC1- R
LINE2_L
EAPD_MODE25,27
MIC1_VREFO_L
MIC 1_L
MIC 1_R
BEEP BEEP_C
SENSE_A
CODEC_VREF
JDREF
MIC1-L
LDO_CAP
MIC1-R
MI C 2_ VR EF O
INT_MIC_OUT
L41
HCB1005KF-121T20
1 2
C292 0.1u_16V_Y5V_04
C602
10u_10V_Y5V_08_E
C559
0.1u_16V_Y5V_04
C566
2.2u_6. 3V_X5R_04
R244 39.2K_1%_04
C295
10u_10V_Y 5V_08_E
C293 10u_6.3V_X5R_08_E
C294
0.1u_16V_Y 5V_04
R243 20K_1%_04
C554 4.7u_6.3V_X5R_06
R4
1K_04
C612
10u_10V_Y 5V_08_E
C610
0.1u_16V_Y 5V_04
C300
0.1u_16V_Y 5V_04
R5
4.7K_04
C555 4.7u_6.3V_X5R_06
C301
0.1u_16V_Y5V_04
C3 *0.022u_16V_X7R_04C279 4.7u_6.3V_X5R_06
AUDG27,33
INT_HEADPHONE-R 27
INT_HEADPHONE-L 27
INT_MIC
INT_MIC_OUT 33
JP1 *10mil_short
C677 1500p_50V_04
JP2 *10mil_short
MIC 1-R 27
MIC1- L 27
MIC 1_L
INT_FRONT-L-C
R586 10K_04
R589
20K_04
R501 499_1%_04
R499 499_1%_04
HP-OUT-R
HP-OUT-L
INT_FRONT-L 27
INT_FRONT-R 27
5VS18,24,31,34,40,41
AUDG
MIC 1_R
INT_FRONT-R-C