Service manual

Schematic Diagrams
Audio Codec ALC269 B - 37
B.Schematic Diagrams
Audio Codec ALC269
Sheet 36 of 55
Audio Codec
ALC269
Close to PCH
Layout Note:
R214 1K_04
C631 4.7u_6. 3V_X5R_06
C460
680p_50V_X7R_04
C600
0.1u_16V_Y5V_04
HDA_SPKR21
JD_SENSE_B 30
JD_SENSE 30
KBC_BEEP37
C626 100p_50V_NPO_04
L50
HCB1005KF-121T20
C624 2.2u_6.3V_X5R_06
R198 20K_1%_04
DIGITAL
ANALOG
U26
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
MI C 2 -R
17
Sense-B
18
JDREF
19
MONO-OUT
20
MIC1-L
21
MI C 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
R419 22_04
INT_MIC
MI C2 -VR EF O
HDA_RST#R
C632 4.7u_6. 3V_X5R_06
MIC 2_R
MIC 2_L
DMIC-CLK
DMIC-DAT
R415
*15mil_short_06
AZ_SDOUT_R
AZ_SY NC_R
AZ_BITCLK_R
BEEP_R PCBEEP
AZ_SDIN0_R LDO_CAP
MIC2-VREFO
MIC1-VREFO-R
OPVEE-ALC269
CBN-AL269
CBP-ALC 269
HEADPHON E-R
HEADPHON E-L
MIC 1-R_R
C629
*10u_6.3V_X5R_06
MIC 1-L_R
SENSE-B
LINE2-L
LINE2-R
SPKOUTR+
SPKOUTR-
SPKOUTL+
C599
10u_6.3V_X5R_06
SPKOUTL-
MIC 1_R
MIC 1_L
R213
4.7K_1%_04
R433 4.7K_04
C609
2.2u_6.3V_X5R_06
C610 22p_50V_NPO_04
C637 4.7u_6. 3V_X5R_06
C317
1u_6.3V_X5R_04
C607 2.2u_6.3V_X5R_06
R437 20K_1%_04
MI C 1 _R
R449 1K_04
SPKOUTR 35
MI C 1 -V RE F O- L
MI C 1 _L
R448 1K_04
MI C 1 -V RE F O- R
C633
0.1u_16V_Y 5V_04
L24 HCB1005KF-121T20
R436 47K_04
C623 1u_6.3V_X5R_04
C638 4.7u_6. 3V_X5R_06
R339 22_04
R438 39.2K_1%_04
3.3VS3,9,10,11,12,21,22,23,24,25, 26,27,28,30,31,33, 34,35,37, 38,43,45
INT_MIC
5VS12,21,27,28,30,31,34,35,38,43,45
C620 0.1u_16V_Y5V_04
BEEP
C618
10u_6.3V_X5R_06
C615
0.1u_16V_Y5V_04
MI C 1- VR E F O- L
KBC_MUTE#25,37
NEAR CODEC
HDA_SDOUT21
HDA_BITCLK21
HDA_SYNC21
Speaker 4 ohm------> 40mils
Speaker 8 ohm------> 20mils
2
EMI Require
1
J_INTMIC1
R257
0_04
ANALOG DIGITAL
HDA_SDIN021
C325
0.1u_16V_Y 5V_04
C322
10u_6.3V_X5R_06
Thermal Pad place 9
Via hole.
GND and AUDG space is
60mils ~ 100mils
Speaker wire length less than 8000mils , It don't need LC Filter.
5VS
Layout note:
AZ_RST#
20m s
PD#
3.3VS_AUD
SPKOUTR+,R-,L+,L- Trace width
HEADPHONE-L 30
HEADPHONE-R 30
5VS
5VS_AUD 5VS
1.5VS
R258
10K_04
1.5VS27,38
R199
*10K_04
SPDIFO30
EAPD_MODE
C775 *100p_50V_NPO_04
VT1802P ±µAUDG
MIC1-R 30
MIC1-L 30
U36
MC74VHC1G08DFT2G
1
2
5
4
3
ALC269 ±µGND
3.3V
R184
HCB1005KF-121T20
VREF-ALC269
SENSE_A
R165
10K_04
R176 *100K_04
5VS_AUD
5VS_AUD
AZ_RST# For 3.3V
HDA Link De-pop
PD# Control
AZ_RST# For 1.5V
HDA Link De-pop
D12 *RB751S-40C2
AC
EAPD_MODE
AUDG
PD#35
3.3V2,3,6,12,19,21,22,23,25,26,27,28,30,31,32,38,40,41,42
C608
10u_6.3V_X5R_06
R180 22_04
L26
HCB1005KF-121T20
C355
0.1u_16V_Y5V_04
C604
0.1u_16V_Y 5V_04
3.3VS_AUD
3.3VS
R342 22_04
3.3VS_AUD
6-20-63150-102
R164
*10K_04
C326
*0.1u_16V_Y 5V_04
ALC269 ±µR165
VT1802P ±µR164
C642 *100p_50V_NPO_04
VT1802P L50,C469 ¤£¤W¥ó
ALC269 L50,C469 -n¤W¥ó
JDREF
VT1802P 5.1K_1%_04
VT1802P 10u
C616 10u_6.3V_X5R_06
R416
*100K_04
3.3VS_AUD
VT1802P
330P
VT1802P
3.3K_04
VT1802P NC PIN
HDA_RST#21
JP2 *10mil_short
J_INTMIC1
CI4302M1HR0-NH
PCB Foot print = CI43-02MXH-R
2
1
C619 0.1u_16V_Y5V_04
JP1 *10mil_short
C353 0.1u_16V_Y5V_04
AUDG
PVDD1_2
R183 *0_04
C597
*10u_6.3V_X5R_06
HDA_RST#
5VS_AUD
CODEC (ALC269)
R372 0_04
5VS_AUD
VT1802P 75_1%_05
VT1802P 4.7K_1%_05
HDA_RST#
D5 RB751S-40C2
AC
FOR VOLUMN ADJUST
Q25
*MTN7002ZHS3
G
DS
R426 2.2K_04
3.3VS_AUD
R427 2.2K_04
SPKOUTL 35
3.3VS_AU D
Q11 MTN7002ZHS3
G
D S
VT1802P 10u
Q26
*2N3904
B
E C
5VS
R200 0_04
R259 *0_04
VT1802P 10u
PC BEEP
Layout Note:
Very close to
Audio Codec
R428 33_04
Please Let LC Filter
together and close to
Codec.IF Speaker
wire length is less
than 8000mils It don't
need the LC Filter.
C
A
A
D15
BAT54CS3
1
2
3
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG