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Schematic Diagrams
B - 38 Audio Codec VT1802S
B.Schematic Diagrams
Audio Codec VT1802S
Sheet 37 of 51
Audio Codec
VT1802S
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
CODEC (VT1802S)
PC BEEP
Very close to
Audio Codec
Layout Note:
Please Let LC Filter
together and close to
Codec.IF Speaker
wire length is less
than 8000mils It don't
need the LC Filter.
Layout Note:
Close to PCH
NEAR CODEC
Speaker 4 ohm------> 40mils
Speaker 8 ohm------> 20mils
EMI Require
ANALOG
DIGITAL
5VS
Speaker wire length less than 8000mils , It don't need LC Filter.
GND and AUDG space is
60mils ~ 100mils
AZ_RST#
Layout note:
PD#
20ms
3.3VS_AUD
,R-,L+,L- Trace width
AZ_RST# For 1.5V
HDA Link De-pop
PD# Control AZ_RST# For 3.3V
HDA Link De-pop
VT1802P L42,C503
լ
լ
լ
լՂ
Ղ
Ղ
Ղٙ
ٙ
ٙ
ٙ
ALC269 L42,C503
Ղ
Ղ
Ղ
Ղٙ
ٙ
ٙ
ٙ
VT1802P 5.1K_1%_04
VT1802P 10u
VT1802P NC PIN
VT1802P
3.3K_04
VT1802P
330P
VT1802P 1K_04
VT1802P 3.3K_1%_05
FOR VOLUMN ADJUST
VT1802P 10u
VT1802P 10u
VT1802P
൷
൷
൷
൷
AUDG
ALC269
൷
൷
൷
൷
GND
VT1802P
൷
൷
൷
൷
R164
ALC269
൷
൷
൷
൷
R165
NEAR CODEC
NEAR CODEC
40 mils
40 mils
40 mils
40 mils
EMI Require
D02 Modify footprint
6-20-41120-104
BEEP
ྤ
ྤ
ྤ
ྤᜢ
ᜢ
ᜢ
ᜢଥ
ଥ
ଥ
ଥޏ
ޏ
ޏ
ޏ
C020426
INT_MIC
MIC2-VREFO
MIC2_L
MIC2_R
DMIC-DAT
DMIC-CLK
AZ_SYNC_R
BEEP_R
AZ_SDIN0_R
PCBEEP
LDO_CAP
MIC1-VREFO-R
MIC2-VREFO
HEADPHONE-R
CBP-ALC269
CBN-AL269
OPVEE-ALC269
HEADPHONE-L
MIC1-R_R
LINE1_L
LINE1_R
SENSE-B
MIC1-L_R
LINE2-R
LINE2-L
SPKOUTR-
SPKOUTL-
MIC1_L
MIC1_R
MIC1_R
MIC1_L
MIC1-VREFO-L
MIC1-VREFO-R
INT_MIC
BEEP_L
MIC1-VREFO-L
SPDIFO
EAPD_MODE
SENSE_A
JDREF
HDA_RST#
HDA_RST#R
HDA_RST#
ROUT+
ROUT-
LOUT-
SPKOUTL-
CODEC_PD#
AZ_SYNC_R
SPKOUTR-
AZ_SDOUT_R
AZ_BITCLK_R
HDA_BITCLK_C
CODEC_PD#
HDA_BITCLK_C
VREF-ALC269
PCBEEP
LOUT+
ROUT-
ROUT+
LOUT-
LOUT+
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
5VS
5VS_AUD
5VS
5VS_AUD
3.3VS_AUD
AUDG
PVDD1_2
5VS
3.3V
3.3VS_AUD
3.3VS_AUD
3.3VS_AUD
AUDG
AUDG
AUDG
3.3VS
3.3V
JD_SENSE
31
JD_SENSE_B
31
HDA_SPKR
22
BEEP
38
HDA_SYNC
22
HDA_BITCLK
22
HDA_SDOUT
22
HDA_SDIN0
22
HEADPHONE-R
31
HEADPHONE-L
31
MIC1-R
31
MIC1-L
31
HDA_RST#
22
KBC_MUTE#
38
INT_MIC_R
32
AUDG_R
32
Title
Size
Document Number
Rev
Date:
Sheet
of
6-71-W2300-D03
3.0
[37] AUDIO CODEC VT1802S
A3
37
51
Tuesday, July 09, 2013
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
Title
Size
Document Number
Rev
Date:
Sheet
of
6-71-W2300-D03
3.0
[37] AUDIO CODEC VT1802S
A3
37
51
Tuesday, July 09, 2013
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
Title
Size
Document Number
Rev
Date:
Sheet
of
6-71-W2300-D03
3.0
[37] AUDIO CODEC VT1802S
A3
37
51
Tuesday, July 09, 2013
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
R517
22_04
R391
33_04
C450
0.1u_16V_Y5V_04
R393
*0_04
R515
22_04
L1
*15mil_short_06
R412
100K_04
C449
10u_6.3V_X5R_06
R705
10K_04
C466
*180p_50V_NPO_04
R410
39.2K_1%_04
Q22
*2N3904
B
E
C
C478
0.1u_16V_Y5V_04
C499
0.1u_16V_Y5V_04
R701
0_04
C498
*10u_6.3V_X5R_06
J_SPKL1
85205-04001
1
2
3
4
R418
*20K_1%_04
C17
680p_50V_X7R_04
C506
2.2u_6.3V_X5R_06
T93
C482
10u_6.3V_X5R_06
R702
*0_04
C463
10u_6.3V_X5R_06
C479
*180p_50V_NPO_04
C451
10u_6.3V_X5R_06
L2
*15mil_short_06
L43
*HCB1005KF-121T20
R372
5.1K_04
Q9
*MTN7002ZHS3
G
D
S
C500
10u_6.3V_X5R_06
L3
*15mil_short_06
C19
680p_50V_X7R_04
R699
*100K_04
C495
0.1u_16V_Y5V_04
C493
10u_6.3V_X5R_06
D32 RB751S-40C2
A
C
C483
*10u_6.3V_X5R_06
C497
0.1u_16V_Y5V_04
R390
10K_04
C546
*47p_50V_NPO_04
L4
*15mil_short_06
R703
*0_04
L63
HCB1005KF-121T20
C494
*10u_6.3V_X5R_06
JP2
*10mil_short
DIGITAL
ANALOG
U16
VT1802S
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
MIC2-R
17
Sense-B
18
JDREF
19
MONO-OUT
20
MIC1-L
21
MIC1-R
22
LINE1-L
23
LINE1-R
24
AVSS1
26
VREF
27
LDO_CAP
28
MIC2-VREFO
29
MIC1-VREFO-R
30
M
IC1
-VREF
O
-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
Q23
*MTN7002ZHS3
G
D
S
R397
0_04
C507
2.2u_6.3V_X5R_06
R700
22_04
C481
*180p_50V_NPO_04
R420
*15mil_short_06
JP1
*10mil_short
R525
22_04
C686
0.1u_16V_Y5V_04
R697
*10K_04
D31 RB751S-40C2
A
C
C448
1u_6.3V_X5R_04
C503
*1u_6.3V_X5R_04
C
A
A
D16
BAT54CS3
1
2
3
L42
*HCB1005KF-121T20
R21
*10mil_short
C504
0.1u_16V_Y5V_04
C464
0.1u_16V_Y5V_04
C480
*180p_50V_NPO_04
R687
1M_04
R425
3.3K_1%_04
C15
*1u_10V_Y5V_06
C434
100p_50V_NPO_04
C14
680p_50V_X7R_04
R698
10K_04
C492
10u_6.3V_X5R_06
C687
0.1u_16V_Y5V_04
R411
20K_1%_04
C465
*0.1u_16V_Y5V_04
R424
3.3K_1%_04
L41
*HCB1005KF-121T20
R419
5.1K_1%_04
R707
0_04
C476
10u_6.3V_X5R_06
C16
680p_50V_X7R_04
R396
0_04
R423
3.3K_1%_04
R394
*22_04
R433
1K_04
C496
10u_6.3V_X5R_06
R704
0_04
C18
*1u_10V_Y5V_06
R395
0_04
R431
1K_04
C477
*100p_50V_NPO_04
R432
1K_04
C462
*100p_50V_NPO_04
C505
100p_50V_NPO_04
R392
0_04
Summary of Contents for W230ST
Page 1: ...W230ST ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer W230ST Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 42: ...Disassembly 2 18 2 Disassembly ...
Page 45: ...Part Lists Top A 3 A Part Lists Top Figure A 1 Top ...
Page 46: ...Part Lists A 4 Bottom A Part Lists Bottom Figure A 2 Bottom ...
Page 47: ...Part Lists LCD A 5 A Part Lists LCD Figure A 3 LCD ...
Page 48: ...Part Lists A 6 HDD A Part Lists HDD Figure A 4 HDD ...
Page 103: ...www s manuals com ...