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Schematic Diagrams
B - 38 Audio Codec VT1802S
B.Schematic Diagrams
Audio Codec VT1802S
Sheet 37 of 55
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
2
1
J_INTMIC1
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 L50,C317
ᶵ
ᶵ
ᶵ
ᶵᶲ
ᶲ
ᶲ
ᶲẞ
ẞ
ẞ
ẞ
ALC269 L50,C317
天
天
天
天ᶲ
ᶲ
ᶲ
ᶲẞ
ẞ
ẞ
ẞ
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
㍍
㍍
㍍
㍍
AUDG
ALC269
㍍
㍍
㍍
㍍
GND
VT1802P
㍍
㍍
㍍
㍍
R164
ALC269
㍍
㍍
㍍
㍍
R165
6-20-63120-102
NEAR CODEC
NEAR CODEC
25 mils
25 mils
25 mils
25 mils
EMI Require
D03
D03
D03
D03
D03
VT1802PCE & VT1802S Co-lay
VT1802S
Mount:
Remove:
R119,R239,R668,R691,R690,R261
R689,R238,R692,R693,R694
VT1802PCE
Mount:
Remove: R119,R239,R668,R691,R690,R261
R689,R238,R692,R693,R694
D03
D03
D03
INT_MIC
MIC2-VREFO
MIC2_L
MIC2_R
AZ_SDOUT_R
AZ_SYNC_R
BEEP_R
HDA_BITCLK_C
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
MIC1-VREFO-L
EAPD_MODE
VREF-ALC269
SENSE_A
JDREF
HDA_RST#
HDA_RST#R
HDA_RST#
ROUT+
ROUT-
SPKOUTL-
CODEC_PD#
AZ_SYNC_R
SPKOUTR-
CODEC_PD#
DMIC-DAT
DMIC-CLK
DMIC-DAT
AZ_BITCLK_R
HDA_BITCLK_C
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
AUDG
AUDG
3.3VS
3.3V
3.3VS_AUD
3.3VS_AUD
JD_SENSE
31
JD_SENSE_B
31
HDA_SPKR
22
KBC_BEEP
38
3.3VS
3,6,9,10,11,12,13,22,23,24,25,26,28,29,30,31,32,34,35,36,38,39,43,44
5VS
13,22,31,32,35,36,39,43,44
HDA_SYNC
22
HDA_BITCLK
22
HDA_SDOUT
22
HDA_SDIN0
22
HEADPHONE-R
31
HEADPHONE-L
31
SPDIFO
31
MIC1-R
31
MIC1-L
31
3.3V
2,3,13,20,22,26,27,28,29,30,31,32,33,39,41,44,45
HDA_RST#
22
KBC_MUTE#
38
1.5VS
22,24,27,28,29,30,41
INT_MIC_R
32
Title
Size
Document Number
Rev
Date:
Sheet
of
6-71-W35S0-D03
1.0
[37] CODEC VT1802PCE & VT1802S Co-lay
A3
37
54
Monday, January 14, 2013
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
Title
Size
Document Number
Rev
Date:
Sheet
of
6-71-W35S0-D03
1.0
[37] CODEC VT1802PCE & VT1802S Co-lay
A3
37
54
Monday, January 14, 2013
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
Title
Size
Document Number
Rev
Date:
Sheet
of
6-71-W35S0-D03
1.0
[37] CODEC VT1802PCE & VT1802S Co-lay
A3
37
54
Monday, January 14, 2013
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
R393
22_04
R691
0_04
R535
33_04
C606
0.1u_16V_Y5V_04
R566
0_04
C381
0.1u_16V_Y5V_04
R397
22_04
L9
*15mil_short_06
R506
100K_04
C608
10u_6.3V_X5R_06
C581
*180p_50V_NPO_04
R545
39.2K_1%_04
Q21
*2N3904
B
E
C
C352
0.1u_16V_Y5V_04
C580
0.1u_16V_Y5V_04
C607
*10u_6.3V_X5R_06
C135
180p_50V_NPO_04
C596
2.2u_6.3V_X5R_06
C350
10u_6.3V_X5R_06
R694
*20K_1%_04
C620
10u_6.3V_X5R_06
R688
0_04
C582
*180p_50V_NPO_04
C592
10u_6.3V_X5R_06
L53
*HCB1005KF-121T20
L10
*15mil_short_06
L31
*HCB1005KF-121T20
R538
4.7K_04
Q20
*MTN7002ZHS3
G
D
S
C578
10u_6.3V_X5R_06
L11
*15mil_short_06
C145
180p_50V_NPO_04
R692
*0_04
R243
*100K_04
C633
0.1u_16V_Y5V_04
C632
10u_6.3V_X5R_06
D9
RB751S-40C2
A
C
C577
*10u_6.3V_X5R_06
C611
0.1u_16V_Y5V_04
R540
47K_04
C262
*47p_50V_NPO_04
L16
*15mil_short_06
R242
*0_04
C617
*10u_6.3V_X5R_06
JP2
*10mil_short
DIGITAL
ANALOG
U32
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
R238
*22_04
R689
*0_04
R690
0_04
C593
2.2u_6.3V_X5R_06
R248
22_04
C584
*180p_50V_NPO_04
R499
*15mil_short_06
R239
0_04
JP1
*10mil_short
R132
22_04
R263
*10K_04
D10 RB751S-40C2
A
C
C615
1u_6.3V_X5R_04
C345
*1u_6.3V_X5R_04
C
A
A
D24
BAT54CS3
1
2
3
L59
*HCB1005KF-121T20
C612
0.1u_16V_Y5V_04
C586
0.1u_16V_Y5V_04
C583
*180p_50V_NPO_04
R246
1M_04
J_SPKL1
85204-04001
1
2
3
4
R532
3.3K_1%_04
C96
*1u_10V_Y5V_06
C614
100p_50V_NPO_04
C87
180p_50V_NPO_04
R119
0_04
R230
10K_04
C631
10u_6.3V_X5R_06
C377
0.1u_16V_Y5V_04
R546
20K_1%_04
C353
*0.1u_16V_Y5V_04
R534
3.3K_1%_04
R261
5.1K_1%_04
J_INTMIC1
88266-02001
2
1
C764
10u_6.3V_X5R_06
R693
*0_04
C621
10u_6.3V_X5R_06
C98
180p_50V_NPO_04
R536
3.3K_1%_04
R556
1K_04
Q7
MTN7002ZHS3
G
D
S
C616
10u_6.3V_X5R_06
C765
0.1u_16V_Y5V_04
R245
0_04
C141
*1u_10V_Y5V_06
R554
1K_04
C637
*100p_50V_NPO_04
L32
HCB1005KF-121T20
R557
1K_04
C618
*100p_50V_NPO_04
C647
100p_50V_NPO_04
Summary of Contents for W370ST
Page 1: ...W370ST ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer W370ST Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 43: ...Part Lists Top A 3 A Part Lists Top Figure A 1 Top ...
Page 44: ...Part Lists A 4 Bottom A Part Lists Bottom Figure A 2 Bottom ...
Page 45: ...Part Lists LCD A 5 A Part Lists LCD Figure A 3 LCD ...
Page 46: ...Part Lists A 6 HDD A Part Lists HDD Figure A 4 HDD ...
Page 47: ...Part Lists 2nd HDD A 7 A Part Lists 2nd HDD Figure A 5 2nd HDD ...
Page 48: ...Part Lists A 8 DVD A Part Lists DVD Figure A 6 DVD ...
Page 49: ...Part Lists COMBO A 9 A Part Lists COMBO Figure A 7 COMBO ...
Page 50: ...Part Lists A 10 A Part Lists ...