Schematic Diagrams
B - 30 AUDIO CODEC ALC269 VIA1802
B.Schematic Diagrams
AUDIO CODEC ALC269 VIA1802
PD#
AZ_RST#
20 ms
5V S
Spe a ke r 4 oh m- -- --- > 40 mil s
SPKO UT R+ ,R- ,L + ,L- Tra ce w i dt h
Spe a ke r w ire le ng th l es s th a n 8 000 mil s , I t d on 't ne e d L C Fil te r.
3.3 VS_ AUD
Spe a ke r 8 oh m- -- --- > 20 mil s
H E A D P H ON E -L 3 5
M I C _ S E N S E 35
B E E P _C
B E E P
C 4 78
1 u _ 6. 3 V _ X 5 R _ 04
C
A
A
D 15
B A T 5 4C S 3
1
2
3
PC BEEP
R 2 8 4
4. 7 K _ 0 4
A Z _R S T #
R 3 0 4
47 K _ 0 4
C 4 74
1 0 0 p_ 5 0 V _N P O_ 0 4
FOR VOLUMN
ADJUST
S B _ S P K R
2 3
K B C _B E E P
3 3
Q 1 6
*B S S 1 3 8 _N L
G
D
S
D 1 1 R B 7 5 1S -40 C 2
A
C
R 2 5 3
* 10 0 K _ 04
Q1 2
*2 N 70 0 2W
G
D
S
R 2 8 8
1 0K _0 4
5 V S
5 V S
D 1 2 *R B 75 1 S - 4 0C 2
A
C
K B C _ MU TE #
3 3
A Z _ R S T#
PD# Con tro l
AZ_ RST# Fo r 1 .5V
HDA Link De -p op
R 3 0 6
0 _0 6
AZ _RS T# F o r 3. 3V
HD A Lin k De -p op
5 V S
H P _S E N S E 3 5
M I C 1 -L
3 5
D 4 2 R B 7 5 1S -40 C 2
A
C
CLOSE TO CHIP
E A P D
D02 11/1
D02 11/1
D02 11/1
Bug#34
Value
C 4 9 8
0 . 02 2 u _1 6 V _ X7 R
S P D I F O
3 5
R 8 0 0
1 K _ 1 %_ 0 4
J _ S P K L 1
8 5 2 05 -0 2 70 1
1
2
I N T _M I C
A U D G
J _I N T MI C 1
8 82 6 6 -02 0 0 1
P C B F oo t p ri nt = 8 8 26 6 -2 R
2
1
0712
0712
VT1802P 5.1K_1%_04
R 3 3 6 1 K _ 0 4
R 3 0 3 1 K _ 0 4
C 4 81
*0 . 1 u_ 1 6 V _Y 5 V _0 4
C 48 3
* 1 0u _ 1 0V _ Y 5V _ 0 8
C 4 82
10 u _ 10 V _ Y 5 V _ 0 8
C 4 8 0
0 . 1u _ 1 6V _ Y 5V _ 0 4
P V D D 1 _ 2
R 3 3 8
2. 2 K _ 0 4
VT1802P
2.2K_04
H E A D P H ON E -R 3 5
L2 8
H C B 1 0 05 K F - 1 2 1 T2 0
1
2
C 4 3 7
0 . 1u _ 1 6V _ Y 5V _ 0 4
R 2 8 6
* 0_ 0 4
C 4 3 4
0 . 1 u _1 6 V _ Y 5 V _ 04
C 4 3 6
1 0u _ 1 0V _Y 5V _0 8
C 43 3
1 0 u _1 0 V _ Y 5 V _ 08
R 2 8 5
*1 0 mi l _s h o rt
3 . 3V S
3 . 3 V S _ A U D
C 43 5
0 . 1 u _1 6 V _ Y 5 V _ 04
B E E P _ R
D V D D _ I O
3 . 3 V S _ A U D
1. 5V S
Fo r 1 .5 V HDA L in k.
Fo r 3. 3V H DA L in k .
MI C 1 - R
C 5 32
0 . 1 u _1 6 V _ Y 5 V _ 04
C 5 2 4
10 u _ 10 V _ Y 5 V _ 0 8
VT1802P NC PIN
C 5 2 9
1 0 u_ 1 0V _Y 5V _0 8
C 5 2 8
0 . 1 u_ 1 6 V _Y 5 V _0 4
C 5 2 7
2 . 2 u_ 6 . 3 V _X 5 R _ 0 6
VT1802P 10u
M I C 1 -R
3 5
I N T _ MI C
S P K OU TR - 3 5
S P K OU TR + 35
S P K OU T L-
MI C 2_ R
MI C 2_ L
S E N S E _ A
S P K O U T L - _L
A U D G
C 7 5 4
1u _ 6 . 3V _X 5 R _ 0 4
1
2
J_INTMIC1
S P K OU T R -
A Z _B I T C LK _ R
E A P D
M I C 2 -V R E F O
7/31
S P K O U T L +_ L
V er y clo se t o Aud io C ode c
7 5 C o m p o n e n t .
L ay ou t No te :
Cl osed to SB.
S P K OU T L-
S P K OU T L+
S P K OU T R +
H P _ S E N S E
MI C _ S E N S E
S P K OU T L +
C 5 3 1
2 . 2 u_ 6 . 3 V _Y 5 V _0 6
C 3 5 2
68 0 p _5 0 V _ X7 R _0 4
VT1802P
330P
R 3 0 2
2 0 K _ 1% _ 0 4
A Z _ S Y N C _ R
R 3 0 5
2 0K _ 1 % _0 4
C 75 3
180p
_
50V
_N
P
O
_0
4
M I C 1 -L
C 5 2 3
0 . 1u _ 1 6V _ Y 5V _ 0 4
L 65
F C M 1 00 5 K F - 1 2 1T 0 3
1
2
R 28 7
22 _ 0 4
A Z _ R S T# _ R
A Z _S D OU T_ R
R 40 2
22 _ 04
L 6 6
F C M1 0 0 5K F -12 1 T 03
1
2
R 3 0 1
3 9. 2 K _ 1 %_ 0 4
R 39 9
22 _ 04
L 37
H C B 1 0 0 5K F - 12 1 T2 0
1
2
C 7 5 5
1 8 0p _ 50 V _ N P O_ 04
J P 2
*1 0 m il _ sh o rt
C 5 7 9
2 2 p_ 5 0V _N P O_ 0 4
R 64 2
22 _ 04
J P 1
*1 0 m il _ sh o rt
DIGITAL
ANALOG
U 1 3
A L C 26 9 Q-V B 5 -G R
DV
D
D1
1
GP I O 0
2
GP I O 1
3
P D #
4
S D A T A -OU T
5
B I T- C L K
6
D
VSS
2
7
S D A T A -I N
8
DV
D
D-
IO
9
S Y N C
1 0
R E S E T #
1 1
P C B E E P
1 2
S e n s e A
13
LI N E 2 -L
14
L I N E 2 -R
15
MI C 2 -L
16
M I C 2 -R
17
S e n s e-B
18
JD R E F
19
M ON O -OU T
20
MI C 1 -L
21
M I C 1 -R
22
LI N E 1 -L
23
L I N E 1 -R
24
A
VSS
1
26
V R E F
27
LD O_ C A P
28
MI C 2-V R E F O
29
M I C 1 - V R E F O-R
30
MI
C
1-
V
R
E
F
O
-L
31
H P - O U T -L
32
A
VSS
2
37
OP V E E
34
C B N
35
C B P
36
H P -O U T -R
33
PV
D
D
1
39
S P K -L +
4 0
S P K -L -
4 1
PV
S
S1
42
P
VSS
2
43
S P K -R +
4 5
S P K -R -
4 4
PV
D
D
2
46
S P D I F C 2/ E A P D
4 7
S P D I F O
4 8
AV
D
D
2
38
AV
D
D
1
25
GN
D
49
C 4 7 6
4 . 7 u_ 6 . 3 V _X 5 R _ 0 6
C 5 3 5
0 . 1u _ 1 6V _ Y 5V _ 0 4
R 64 3
22 _ 04
C 5 3 0
2 . 2 u_ 6 . 3 V _Y 5 V _0 6
C 5 25
4 . 7 u _6 . 3 V _ X 5R _0 6
R 2 0 6
4. 7 K _ 0 4
C 4 75
4 . 7 u _6 . 3 V _ X 5R _0 6
C 4 7 7
4 . 7 u_ 6 . 3 V _X 5 R _ 0 6
A U D G
A U D G
A Z _ B I T _ C L K
23
A U D G
A U D G
A Z _ R S T#
23
A Z _ S D A TA _I N 0
23
A Z _ S Y N C
23
A Z _ S D A T A _ OU T
23 , 2 6
MI C 1-L
MI C 1-R
M I C 2 - V R E F O
A Z _ S D I N 0 _ R
J_SPK1
2
1
R430 ; R431 ; R432
Close to Codec
S P D I F O
EMI Require
7/16
MI C 2 _L
H E A D P H ON E - L
M I C 1 - V R E F O-R
H E A D P H ON E - R
MI C 2 _R
R 2 07
1K _1 % _ 04
S P K O U T R +
C 4 79
*1 0 0p _ 5 0V _ N P O_ 0 4
R 3 3 7
2 . 2K _0 4
ALC269 VB & VT1802P
L36,C534 ? ? ?
ANA LO G
DIG ITAL
C 53 4
1 0 u_ 1 0 V _ Y 5 V _ 08
L3 6
H C B 1 0 05 K F -1 2 1 T2 0
1
2
A U D G
C 5 33
1 u _ 6. 3 V _ X 5R _ 04
5 V S _ A U D
C 5 2 6
0 . 1u _ 1 6V _Y 5V _0 4
A U D G
5 V S
AU DI O CO DE C
VT1802P
ALC269 VB
P D #
S P K O U T R -
Pl e as e Le t L C Fi lte r
t o ge the r a n d cl o se to
Co de c. IF Sp e a ke r
w i re l e ng t h is le ss
t h an 8 00 0mi ls It don't
ne e d th e LC Fi lte r.
MI C 1 - V R E F O -L
Sheet 29 of 48
AUDIO CODEC
ALC269 VIA1802
Содержание W150DAQ
Страница 1: ...W150DAQ SERVICE MANUAL ...
Страница 2: ......
Страница 3: ...Preface I Preface Notebook Computer W150DAQ Service Manual ...
Страница 24: ...Introduction 1 12 Mainboard Overview Bottom Connectors 1 Introduction ...
Страница 43: ...Top A 3 A Part Lists Top 灰色 黑色 Figure A 1 Top with Finger print ...
Страница 44: ...A 4 Bottom A Part Lists Bottom Figure 2 Bottom ...
Страница 45: ...SATA BLU RAY COMBO A 5 A Part Lists SATA BLU RAY COMBO Figure A 3 SATA BLU RAY COMBO 非耐落 志精 ...
Страница 46: ...A 6 SATA DVD SUPER MULTI A Part Lists SATA DVD SUPER MULTI 非耐落 志精 太 乙 Figure A 4 DVD Dual Drive ...
Страница 47: ...LCD A 7 A Part Lists LCD Figure A 5 LCD 非耐落 銘板 一般漆 W150HNQ ...
Страница 48: ...A 8 LCD A Part Lists ...
Страница 93: ...Schematic Diagrams AUDIO Board B 45 B Schematic Diagrams AUDIO Board Sheet 44 of 48 AUDIO Board ...
Страница 98: ...Schematic Diagrams B 50 B Schematic Diagrams ...
Страница 101: ...www s manuals com ...