Schematic Diagrams
Audio Codec VT1802P/ALC269 B - 31
B.Schematic Diagrams
Audio Codec VT1802P/ALC269
R529
0_04
MIC1_L
C514
10u_6.3V_X5R_06
MIC2_L
C511
10u_6.3V_X5R_06
AUDG
MIC2_R
C502
0.1u_16V_Y5V_04
C503
0.1u_16V_Y5V_04
EMI Require
MIC1-VREFO-L
MIC1_R
R616
*28mil_06
R343
1K_04
MIC1-R [31]
MIC1-L [31]
R345
3.3K_1%_04
MIC1-VREFO-R
R351
1K_04
R350
3.3K_1%_04
MIC1_L
AL270
C118
VT1802P
680p
100p
MIC1_R
SPKOUTR-
[31]
[31]
VT1802P
C304
AL269
10u
2.2u
AL269
NC
2.2u
VT1802P
C298
R567
*20mil_04
LDO_CAP
PD#
1st¡G6-03-01802-032
R775
100K_04
C498
10u_10V_Y5V_08
C270
0.1u_16V_Y5V_04
C271
0.1u_16V_Y5V_04
C499
10u_10V_Y5V_08
L23
*FCM1608K-121T06_short
PVDD1_2
C590
*0.1u_16V_Y 5V_04
HDA_RST#
HEADPHONE-R [31]
L24
*FCM1608K-121T06_short
C281
0.1u_16V_Y 5V_04
C299
0.1u_16V_Y5V_04
C513
10u_10V_Y5V_08
R527
*0_04
C280
10u_10V_Y 5V_08
C283
0.1u_16V_Y 5V_04
3.3VS
3.3VS_AUD
DVDD_IO
3.3VS_AUD
1.5VS
BEEP_R
J_SPKL1
2
1
R345 & R350
AL269
3.3K
2.2K
VT1802P
C497
0.1u_16V_Y5V_04
C496
10u_10V_Y5V_08
C304
10u_6.3V_X5R_06
C301
0.1u_16V_Y5V_04
R523
3.3VS
OPVEE-ALC269
CBP-ALC269
MIC2_R
MIC2_L
SPKOUTL-
MIC1-L_R
MIC1-R_R
3.3VS
[3,9,10,11,12,13,14,15,16,17,18,19,20,23,24,25,28,29,31,32,37]
SENSE_A
5VS
[12,13,20,25,31,32,37]
1.5VS
[19,32]
L40
C494
NC
1u
AL269
NC
Stuff
VT1802P
EAPD_MODE
2nd¡G6-03-01802-031
DMIC-DAT
R518
DMIC-CLK
NC
VT1802P
R757
NC
100K
AL269
C272
2.2u_6.3V_X5R_06
R523
5.1K_1%_04
R369
20K_1%_04
R354
33_04
R368
39.2K_1%_04
Reserved
DIGITAL
ANALOG
U29
VT1802P
DV
DD
1
1
GPIO0
2
GPIO1
3
PD#
4
SDATA-OUT
5
BIT-CLK
6
DV
S
S
2
7
SDATA-IN
8
DV
DD
-I
O
9
SYNC
10
RESET#
11
PCBEEP
12
Sense A
13
LINE2-L
14
LINE2-R
15
MIC2-L
16
MIC2-R
17
Sense-B
18
JDREF
19
MONO-OUT
20
MIC1-L
21
MIC1-R
22
LINE1-L
23
LINE1-R
24
A
V
SS1
26
VREF
27
LDO_CAP
28
MIC2-VREFO
29
MIC1-VREFO-R
30
M
IC1
-V
RE
F
O
-L
31
HP-OUT-L
32
AV
S
S
2
37
OPVEE
34
CBN
35
CBP
36
HP-OUT-R
33
P
V
DD1
39
SPK-L+
40
SPK-L-
41
PV
S
S1
42
PV
S
S
2
43
SPK-R+
45
SPK-R-
44
PV
D
D
2
46
SPDIFC2/EAPD
47
SPDIFO
48
AV
D
D
2
38
AV
D
D
1
25
GN
D
49
C279
2.2u_6.3V_X5R_06
C307
10u_6.3V_X5R_06
C306
10u_6.3V_X5R_06
AUDG
AUDG
HDA_BITCLK
[13]
HDA_RST#
[13]
HDA_SDIN0
[13]
HDA_SYNC
[13]
HDA_SDOUT
[13]
MIC2-VREFO
AZ_SDIN0_R
SPDIFO
MIC1-VREFO-R
C512
HEADPHONE-L
HEADPHONE-R
CBN-AL269
VT1802P
R130
AL269
3.3K
4.7K
VT1802P
C512
100p_50V_NPO_04
AUDG
R367
AL269
10K
47K
VT1802P
C704
100p_50V_NPO_04
R365
AL269
5.1K
4.7K
VT1802P
MONO-OUT
C291
22p_50V_NPO_04
C509
10u_10V_Y 5V_08
L40
*HCB1005KF-121T20
1
2
C510
0.1u_16V_Y5V_04
C494
*1u_6.3V_X5R_04
5VS_AUD
VT1802P
ALC269 VB
AUDG
5VS
AUDIO CODEC
LINE2-L
LINE2-R
SENSE-B
SPKOUTL-_L
C293
*1u_6.3V_X5R_04
SPKOUTL-
_L
C289
*180p_50V_NPO_04
C295
*180p_50V_NPO_04
J_SPKL1
85204-02001
1
2
NC
INT_MIC
100p
MIC2-VREFO
1
C118
100p_50V_NPO_04
2
J_INTMIC1
J_INTMIC1
88266-02001
1
2
R130
3.3K_1%_04
R128
1K_04
LINE1-L
3.3VS
AUDG
MIC1-VREFO-L
LINE1-R
VREF-ALC269
PD#
AZ_RST#
20m s
5VS
Spe a ke r 4 ohm ------> 40m ils
,R-,L+,L- Tra ce w idth
Spe a ke r w ire le ngth le ss tha n 8000mils , It don't nee d LC Filte r.
3.3VS_AUD
Spe a ke r 8 ohm ------> 20m ils
C704
AL269
AL269
100p
NC
VT1802P
MIC_SENSE [31]
C298
*2.2u_6.3V_X5R_06
20K_1%
AUDG
HEADPHONE-L [31]
C
A
A
D31
BAT54AS3
1
2
3
5.1K_1%
BEEP_C
BEEP
C
A
A
D13
BAT54CS3
1
2
3
C309
1u_6.3V_X5R_04
R365
5.1K_1%_04
R367
10K_04
C308
100p_50V_NPO_04
HDA_RST#
Q27
*BSS138_NL
G
D
S
FOR VOLUMN
ADJUST
HDA_SPKR
[13]
KBC_BEEP
[28]
R514
*100K_04
Q32
*2SK3018S3
G
D
S
R518
*100K_04
C lo se to Code c
5VS
5VS
KBC_MUTE#
[28]
JDREF
HDA_RST#
R757
*10K_04
5VS
R510
*28mil_06
HP_SENSE [31]
INT_MIC
Codec P/N¡G
Sheet 30 of 44
Audio Codec
VT1802P/ALC269
Summary of Contents for W270CZQ
Page 1: ...W270CZQ W271CZQ ...
Page 2: ...Preface I Preface Notebook Computer W270CZQ W271CZQ Service Manual ...
Page 23: ...Introduction 1 12 1 Introduction ...
Page 40: ...Top A 3 A Part Lists Top 灰色 尚盟 Figure A 1 Top ...
Page 41: ...A 4 Bottom A Part Lists Bottom Figure A 2 Bottom ...
Page 42: ...SATA BLU RAY COMBO A 5 A Part Lists SATA BLU RAY COMBO 志精 Figure 3 SATA BLU RAY COMBO ...
Page 43: ...Figure 4 SATA DVD DUAL A 6 SATA DVD DUAL A Part Lists SATA DVD DUAL 志精 ...
Page 44: ...LCD A 7 A Part Lists LCD Figure A 5 LCD ...
Page 45: ...A 8 A Part Lists ...
Page 91: ...Schematic Diagrams B 46 B Schematic Diagrams ...
Page 94: ...www s manuals com ...