Schematic Diagrams
B - 36 AUDIO CODEC VT1802S
B.Schematic Diagrams
AUDIO CODEC VT1802S
C482
100p_50V_NPO_04
PCBEEP
2
J_SPK1
1
C464
*1u_6.3V_X5R_04
C465
*1u_6.3V_X5R_04
3.3VS
3,6,9,10,11,12,19,20,21,22,23,24,26,27,28,29,30,31,32,33,34,36,37,41
5VS
12,19,20,30,33,34,35,37,41,42
C466
10u_6.3V_X5R_06
Close to PCH
Layout Note:
C665
100p_50V_NPO_04
R539
1K_04
C458
0.1u_16V_Y5V_04
HP_SENSE 33
MIC_SENSE 33
BEEP
36
HDA_SPKR
20
L41
*HCB1005KF-121T20
C487
100p_50V_NPO_04
C441
10u_6.3V_X5R_06
R288
5.1K_1%_04
INT_MIC_OUT
DIGITAL
ANALOG
U18
VT1802S
DV
DD
1
1
GPIO0-DMIC-DAT
2
GPIO1-DMIC-CLK
3
PD#
4
SDATA-OUT
5
BIT-CLK
6
DVS
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
AV
SS
1
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
SS
2
37
OPVEE
34
CBN
35
CBP
36
HP-OUT-R
33
PV
D
D
1
39
SPK-L+
40
SPK-L-
41
PV
SS
1
42
PV
SS
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
C469
*180p_50V_NPO_04
INT_MIC
MIC2-VREFO
MIC2_R
MIC2_L
HDA_RST#R
C472
10u_6.3V_X5R_06
AZ_SDOUT_R
R291
*15mil_short_06
AZ_SYNC_R
AZ_SDIN0_R
BEEP_R
LDO_CAP
SPKOUTL-
MIC1-VREFO-R
MIC2-VREFO
OPVEE-ALC269
CBN-AL269
CBP-ALC269
MIC1-R_R
MIC1-L_R
C456
*10u_6.3V_X5R_06
_L
SPKOUTR-
SPKOUTL-_L
C668
10u_6.3V_X5R_06
SPKOUTL-
SPKOUTR-_R
MIC1_L
SPKOUTR-
_R
R540
3.3K_1%_04
MIC1_R
R310
4.7K_04
C442
10u_6.3V_X5R_06
C641
22p_50V_NPO_04
C438
*1u_6.3V_Y5V_04
R290
20K_1%_04
MIC1_L
MIC1_R
R275
75_04
MIC1-VREFO-R
MIC1-VREFO-L
R268
75_04
L44
HCB1005KF-121T20
C470
*180p_50V_NPO_04
R309
47K_04
C672
0.1u_16V_Y5V_04
C462
180p_50V_NPO_04
C457
10u_6.3V_X5R_06
C483 1u_6.3V_X5R_04
R289
39.2K_1%_04
INT_MIC
C447
0.1u_16V_Y5V_04
C468
180p_50V_NPO_04
BEEP_L
C681
0.1u_16V_Y 5V_04
C683
10u_6.3V_X5R_06
MIC1-VREFO-L
NEAR CODEC
KBC_MUTE#
36
Spea ker 4 ohm------> 40mils
Spea ker 8 ohm------> 20mils
EMI Require
EMI Require
La yout note:
Close to codec
ANALOG
HDA_SDIN0
20
DIGITAL
C476
0.1u_16V_Y5V_04
C475
10u_6.3V_X5R_06
AZ_RST#
Therma l Pad place 9
Via hole .
GND a nd AUDG spa ce is
60mils ~ 100mils
Spea ker w ire length less than 8000mils , It don't nee d LC Filte r.
5VS
Layout note :
20m s
PD#
3.3VS_AUD
,R-,L+,L- Tra ce w idth
HEADPHONE-R 33
HEADPHONE-L 33
5VS
5VS_AUD
5VS
SPKOUTR-_R 33
R319
*10K_04
_R 33
VT1802P ±µAUDG
MIC1-L 33
MIC1-R 33
EAPD_MODE
ALC269 ±µGND
3.3V
VREF-ALC269
SENSE_A
AZ_RST# For 3.3V
HDA Link De-pop
PD# Control
HDA_RST#R
EAPD_MODE
C684
10u_6.3V_X5R_06
HDA_RST#
L50
HCB1005KF-121T20
C485
0.1u_16V_Y 5V_04
C682
0.1u_16V_Y5V_04
3.3VS_AUD
3.3VS
3.3VS_AUD
AUDG
R299
10K_04
C478
*100p_50V_NPO_04
AUDG
VT1802S L52,C689 ¤£¤W¥ó
ALC269 L52,C689 -n¤W¥ó
C460
*100p_50V_NPO_04
VT1802S 5.1K_1%_04
JDREF
C440
*10u_6.3V_X5R_06
VT1802S 10u
R298
100K_04
VT1802S NC PIN
3.3VS_AUD
VT1802S
100P
VT1802S
3.3K_04
HDA_BITCLK
20
HDA_RST#
20,36
C481
0.1u_16V_Y5V_04
AUDG
C437
0.1u_16V_Y5V_04
PVDD1_2
R558
0_04
C679
*0.1u_16V_Y 5V_04
C680
*10u_6.3V_X5R_06
CODEC (VT1802S)
R301
1M_04
VT1802S 3.3K_1%_04
VT1802S 75_1%_05
HDA_SYNC
20
HDA_SDOUT
20
D12 RB751S-40C2
A
C
FOR VOLUMN ADJUST
D14 RB751S-40C2
A
C
RN18
22_8P4R_04
8
1
7
2
6
5
3
4
AZ_BITCLK_R
3.3VS_AUD
R277
3.3K_1%_04
R276
3.3K_1%_04
VT1802S 10u
5VS
R557
*0_04
PC BEEP
VT1802S 10u
Layout Note:
Very close to
Audio Codec
R300
33_04
Please Le t LC Filter
togethe r and close to
Codec.IF Spe ake r
w ire length is le ss
tha n 8000mils It don't
nee d the LC Filter.
C
A
A
D15
BAT54CS3
1
2
3
L47
FCM1608K-121T06
L46
FCM1608K-121T06
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
INT_MIC_OUT 30
5VS
12,19,20,30,33,34,35,37,41,42
J_SPKL1
85204-02001
1
2
NC2
NC1
C446
2.2u_6.3V_X5R_04
C445
2.2u_6.3V_X5R_04
JP3
*10mil_short
JP2
*10mil_short
3.3V
2,3,12,17,20,24,25,27,28,29,31,33,37,38,40,42
L48
0_06
L49
0_06
D13 *RB751S-40C2
A
C
Q10
MTN7002ZHS3
G
D
S
Sheet 35 of 46
AUDIO CODEC
VT1802S
Summary of Contents for W670SZQ
Page 1: ...W670SZQ ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer W670SZQ Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 46: ...Disassembly 2 22 2 Disassembly ...
Page 49: ...Top A 3 A Part Lists Top Figure A 1 Top ...
Page 50: ...A 4 Bottom A Part Lists Bottom Figure A 2 Bottom ...
Page 51: ...COMBO A 5 A Part Lists COMBO 非耐落 Figure A 3 COMBO ...
Page 52: ...A 6 DVD DUAL A Part Lists DVD DUAL Figure A 4 DVD DUAL 非耐落 ...
Page 53: ...HDD A 7 A Part Lists HDD Figure A 5 HDD ...
Page 54: ...A 8 2nd HDD A Part Lists 2nd HDD Figure A 6 2nd HDD ...
Page 55: ...LCD A 9 A Part Lists LCD Figure A 7 LCD ...
Page 56: ...A 10 A Part Lists ...
Page 104: ...Schematic Diagrams B 48 B Schematic Diagrams ...