Schematic Diagrams
B - 30 Audio Codec ALC269
B.Schematic Diagrams
Audio Codec ALC269
R529
0_04
R775
100K_04
R365
AL269 4.7K_04
VT1802P 5.1K_1%_04
MIC1_L
C514
10u_6.3V_X5R_06
R367
AL269 47K_04
VT1802P 10K_04
MIC2_L
C511
10u_6.3V_X5R_06
MIC2_R
MIC1-VREFO-L
MIC1_R
R343
1K_04
MIC1-R
30
MIC1-L
30
R345
3.3K_1%_04
MIC1-VREFO-R
R351
1K_04
R350
3.3K_1%_04
MIC1_L
ALC269 20K_1%_04
VT1802P 5.1K_1%_04
MIC1_R
C118
AL269 680p
VT1802P 100p
SPKOUTR-
30
30
R567
*20mil_04
LDO_CAP
PD#
C498
10u_10V_Y5V_08
C270
0.1u_16V_Y 5V_04
C271
0.1u_16V_Y 5V_04
C499
10u_10V_Y 5V_08
L23
*FCM1608K-121T06_short
PVDD1_2
C590
*0.1u_16V_Y5V_04
AUDG
HDA_RST#
HEADPHONE-R 30
L24
*FCM1608K-121T06_short
C281
0.1u_16V_Y5V_04
C299
0.1u_16V_Y 5V_04
C513
10u_10V_Y 5V_08
R527
*0_04
C280
10u_10V_Y 5V_08
C283
0.1u_16V_Y5V_04
3.3VS
3.3VS_AUD
DVDD_IO
3.3VS_AUD
1.5VS
BEEP_R
J_SPKL1
2
1
C497
0.1u_16V_Y5V_04
C496
10u_10V_Y 5V_08
ALC269 2.2u
VT1802P NC
C304
10u_6.3V_X5R_06
C301
0.1u_16V_Y 5V_04
ALC269 2.2u; VT1802P 10u
VT1802P
¹w¯d
3.3VS
OPVEE-ALC269
CBP-ALC269
MIC2_R
MIC2_L
SPKOUTL-
MIC1-L_R
MIC1-R_R
3.3VS
3,9,10,11,12,13,14,15,16,17,18,19,20,23,24,25,27,28,30,31,36
SENSE_A
5VS
11,12,13,19,20,25,30,31,36,37
1.5VS
19,31
AUDG
EAPD_MODE
DMIC-DAT
DMIC-CLK
HP_SENSE
MIC_SENSE
C272
2.2u_6.3V_X5R_06
R523
5.1K_1%_04
R369
20K_1%_04
C502
0.1u_16V_Y5V_04
R354
33_04
R368
39.2K_1%_04
DIGITAL
ANALOG
U29
VT1802P
DV
D
D1
1
GPIO0
2
GPIO1
3
PD#
4
SDATA-OUT
5
BIT-CLK
6
DV
S
S
2
7
SDATA-IN
8
DVD
D
-I
O
9
SY NC
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
AVS
S
1
26
VREF
27
LDO_CAP
28
MIC2-VREFO
29
MIC1-VREFO-R
30
MI
C
1
-V
R
E
F
O
-L
31
HP-OUT-L
32
AVS
S
2
37
OPVEE
34
CBN
35
CBP
36
HP-OUT-R
33
PV
D
D
1
39
SPK-L+
40
SPK-L-
41
P
VSS
1
42
PVS
S
2
43
SPK-R+
45
SPK-R-
44
PV
DD
2
46
SPDIFC2/EAPD
47
SPDIFO
48
AV
D
D
2
38
AVD
D
1
25
GN
D
49
C279
2.2u_6.3V_X5R_06
C503
0.1u_16V_Y5V_04
C307
10u_6.3V_X5R_06
C306
10u_6.3V_X5R_06
AUDG
AUDG
AUDG
HDA_BITCLK
13
HDA_RST#
13
HDA_SDIN0
13
HDA_SYNC
13
HDA_SDOUT
13
MIC2-VREFO
AZ_SDIN0_R
EAPD_MODE
SPDIFO
MIC1-VREFO-R
EMI Require
HEADPHONE-L
HEADPHONE-R
CBN-AL269
R130
AL269 4.7K_04
VT1802P 3.3K_04
C512
*100p_50V_NPO_04
R616
*28mil_06
MONO-OUT
C291
22p_50V_NPO_04
ALC269 ¤W¥ó
VT1802P ¤£¤W¥ó
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
AUDG
VT1802P
ALC269 VB
AUDG
5VS
AUDIO CODEC
LINE2-L
3.3VS
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
ALC269
INT_MIC
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
MIC1-VREFO-L
LINE1-R
VREF-ALC269
PD#
AZ_RST#
20m s
5VS
Spe ake r 4 ohm ------> 40m ils
,R-,L+,L- Tra ce w idth
Spe ake r w ire le ngth less tha n 8000m ils , It don't ne e d LC Filte r.
3.3VS_AUD
Spe ake r 8 ohm ------> 20m ils
MIC_SENSE 30
C298
*2.2u_6.3V_X5R_06
HEADPHONE-L 30
C
A
A
D31
BAT54AS3
1
2
3
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
27
R514
*100K_04
Q32
*MTN7002ZHS3
G
D
S
R518
*100K_04
Close to Codec
5VS
5VS
KBC_MUTE#
27
JDREF
HDA_RST#
R757
*10K_04
5VS
R510
*28mil_06
HP_SENSE 30
INT_MIC
R345 & R350
AL269 2.2K_04
VT1802P 3.3K_1%_04
Sheet 29 of 43
Audio Codec
ALC269
Summary of Contents for W251EUQ
Page 1: ...W251EUQ W253EUQ W255EU W258EUQ ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer W251EUQ W253EUQ W255EU W258EUQ Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 43: ...Top W251EUQ A 3 A Part Lists Top W251EUQ 非耐落 灰色 尚盟 Figure A 1 Top W251EUQ ...
Page 44: ...A 4 Top W255EU A Part Lists Top W255EU 灰色 尚盟 非耐落 Figure A 2 Top W255EU ...
Page 45: ...Top W258EUQ A 5 A Part Lists Top W258EUQ 非耐落 非耐落 灰色 尚盟 Figure A 1 Top W258EUQ ...
Page 46: ...A 6 Top W253EUQ A Part Lists Top W253EUQ Figure A 1 Top W253EUQ ...
Page 48: ...A 8 Bottom W253EUQ A Part Lists Bottom W253EUQ Figure A 3 Bottom W253EUQ ...
Page 52: ...A 12 DVD DUAL W253EUQ A Part Lists DVD DUAL W253EUQ Figure A 7 DVD DUAL W253EUQ 非耐落 志精 ...
Page 54: ...A 14 LCD W253EUQ A Part Lists LCD W253EUQ Figure A 9 LCD W253EUQ ...
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