Schematic Diagrams
AUDIO CODEC ALC269 B - 19
B.Sch
e
m
a
tic D
iag
rams
AUDIO CODEC ALC269
Sheet 18 of 43
AUDIO CODEC
ALC269
P D #
Add 3/2 2
A U D G
S P K OU T R -
S P K OU T R +
C 7 85
* 2 2n _ 1 6V _ X 7 R _ 0 4
F or Mic n ois e is su e ( Res rve) 3/1 1
L 1 09
*H C B 1 0 05 K F -1 2 1 T2 0
1
2
R 4 6 4
3 9 . 2 K _1 % _ 04
C 6 91
0 . 1 u _ 16 V _ Y 5 V _ 0 4
R 4 6 8
2 0 K _ 1% _ 0 4
R 4 6 1
*1 0 m il _ s ho rt
C 7 1 2
*1 8 0 p_ 5 0 V _N P O_ 0 4
R 46 5
4 . 7 K _ 04
L 11 1
H C B 1 0 0 5K F -12 1 T 20
1
2
R 4 6 0
* 0 _0 4
C 69 4
1 0 u _1 0 V _ Y 5 V _ 08
R 4 7 6
2. 2 K _ 0 4
J _ I N T M I C 1
8 8 2 66 -0 2 00 1
P C B F oo t p ri nt = 8 8 2 66 -2 L
1
2
C 6 9 2
1 0 u_ 1 0 V _Y 5 V _ 08
J P 1
*1 0 mi l _ sh o rt
C 6 8 9
10 u _ 10 V _ Y 5 V _ 0 8
C 7 0 6
1u _ 6 . 3V _Y 5 V _0 4
C 7 0 4
2 . 2 u _6 . 3 V _ X5 R _0 6
C
A
A
D 28
B A T 5 4 C W G H
1
2
3
C 69 0
0 . 1 u _1 6 V _ Y 5 V _ 04
C 68 6
0. 1u _ 1 6V _ Y 5V _ 0 4
R 4 6 6
* 10 0 K _ 04
R 4 6 3
2 0 K _ 1% _ 0 4
L 11 0
H C B 1 0 0 5K F -12 1 T 2 0
1
2
C 7 10
* 1u _ 1 0V _Y 5 V _0 6
R 4 7 2
1K _ 0 4
C 6 8 5
*0 . 1 u _1 6 V _ Y 5 V _ 0 4
C 6 8 3
0 . 1 u _1 6 V _ Y 5 V _ 04
C 7 0 7
2. 2 u _ 6. 3 V _ X 5 R _ 0 6
C 6 9 6
4 . 7 u _6 . 3 V _ X5 R _0 6
R 4 7 4
1K _ 0 4
L 1 12
* F C M 16 0 8 K -1 21 T 0 6_ s h ort
C 6 9 7
4 . 7 u _6 . 3 V _ X5 R _0 6
R 4 71
2 2 _0 4
C 7 1 1
*1 8 0 p_ 5 0 V _N P O_ 0 4
Q 13
* MT N 7 0 0 2Z H S 3
G
D
S
C 7 02
22 p _ 50 V _ N P O _ 04
C 6 80
1 0 u _1 0 V _ Y 5 V _ 0 8
DIGITAL
ANALOG
U 32
A LC 2 69 Q -V B 6
DV
D
D1
1
GP I O0 -D M I C -D A T
2
GP I O1 -D M I C -C L K
3
P D #
4
S D A TA - OU T
5
B I T -C L K
6
DV
S
S
2
7
S D A TA - 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 en s e A
1 3
L I N E 2 -L
1 4
L I N E 2 -R
1 5
M I C 2 -L
1 6
MI C 2 -R
1 7
S en s e -B
1 8
J D R E F
1 9
M ON O-O U T
2 0
M I C 1 -L
2 1
MI C 1 -R
2 2
L I N E 1 -L
2 3
L I N E 1 -R
2 4
A
VSS1
26
V R E F
2 7
LD O_ C A P
2 8
MI C 2- V R E F O
2 9
M I C 1 -V R E F O-R
3 0
M
IC
1
-V
R
E
F
O
-L
31
H P -O U T -L
3 2
AVSS2
37
OP V E E
3 4
C B N
3 5
C B P
3 6
H P -OU T -R
3 3
PVD
D
1
39
S P K -L +
4 0
S P K -L -
4 1
PVSS1
42
PV
SS2
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
AVD
D
1
25
GN
D
49
C 6 8 8
0 . 1u _ 1 6V _Y 5 V _0 4
C 6 9 9
* 10 0 p _5 0 V _ N P O _ 04
C 69 8
6 8 0p _ 5 0V _X 7 R _ 0 4
C 68 7
0. 1u _ 1 6V _ Y 5V _ 0 4
R 4 7 8
4. 7 K _ 0 4
R 4 7 5
2. 2 K _ 0 4
R 4 67
1 K _ 04
C 7 0 9
10 0 p _5 0 V _ N P O _ 04
C 68 4
* 1 0u _ 1 0V _ Y 5V _ 0 8
C 68 1
0 . 1 u_ 1 6 V _ Y 5 V _ 04
C 6 9 3
0. 1 u _ 16 V _ Y 5V _ 0 4
L 1 13
* F C M 16 0 8 K -1 21 T 0 6_ s h ort
R 4 77
4 7 K _ 0 4
J P 2
*1 0 mi l _ sh o rt
R 4 62
1 0 K _ 04
C 7 0 3
0 . 1 u _1 6 V _ Y 5 V _ 04
C 6 9 5
1 u_ 6 . 3 V _ Y 5 V _ 04
C 7 0 5
1 0 u_ 1 0 V _ Y 5 V _ 08
C 7 0 0
4 . 7 u _6 . 3 V _ X5 R _0 6
C 7 0 1
4 . 7 u _6 . 3 V _ X5 R _0 6
C 6 8 2
1 0 u_ 1 0 V _Y 5 V _ 08
Q 1 2
*B S S 1 3 8 _N L
G
D
S
J_ S P K L 1
8 5 20 4 -0 20 0 1
P C B F o o t p rin t = 8 5 20 4 -0 2R
1
2
5V S
D V D D _ I O
5 V S
C 7 08
2 . 2 u _6 . 3 V _ X5 R _0 6
A U D G
5 V S
5 V S
A U D G
3. 3 V S _ A U D
A U D G
A U D G
3 . 3 V S _ A U D
A U D G
1. 5V S
3 . 3V S
A U D G
5 V S _A U D
A U D G
A U D G
H D A _S P K R
8
H E A D P H ON E -L 22
K B C _M U T E #
2 0
H D A _ S Y N C
8
H D A _R S T #
8
H D A _S D I N 0
8
H E A D P H ON E -R 2 2
K B C _ B E E P
2 0
M I C _ S E N S E 2 2
H D A _ B I T C L K
8
H D A _ S D O U T
8
H P _ S E N S E 2 2
MI C 1-R M 2 2
MI C 1 -L M
2 2
S P K O U T R -
22
S P K O U T R + 2 2
Value m od ify 3/2 3
C 7 8 6
* 2 2n _ 1 6V _ X 7 R _ 0 4
For 3. 3V HDA Li nk.
L 1 3 5
* F C M 1 60 8 K -1 21 T 0 6 _s h o rt
L 1 3 6
* F C M 1 60 8 K -1 21 T 0 6 _s h o rt
Spea k er 8 ohm- --- -- > 20 mil s
VT1802P 10u
VT1802P
SPKO UTR+, R-, L+, L- Tra ce wi dth
2
AZ_ RST#
AZ_ RST# For 3 .3 V
HDA Li nk D e- pop
5 8 C o m p o n e n t .
AUDIO CODEC
1
VT1802P
L75,C718 ? ? ?
Lay out note :
Spea k er 4 ohm- --- -- > 40 mil s
9/8
C 9 2
* 0 . 02 2 u _1 6 V _ X 7R _ 04
For 1 .5 V H DA Link .
FOR VOLUMN
ADJUST
5VS
20ms
DIG ITAL
EMI Require
GN D a nd AUDG spa c e is
60 mil s ~ 100 mi ls
I N T _ MI C _ OU T
Spea k er wi re le ngth l es s tha n 8 00 0mi ls , It don't ne ed LC Fil te r.
PD#
MI C 2- V R E F O
PC BEEP
3 .3V S_AUD
S P D I F O
C O D E C _ GP I O 0
C O D E C _ GP I O 1
E A P D
ALC269 VB
H D A _ R S T#
A Z _S D I N 0 _ R
B E E P _R
The rm al Pa d pl ac e 9
Vi a hole .
MI C 2- V R E F O
MI C 1- V R E F O -R
S P K OU TL -
S P K O U T L +
C O D E C _C B N
H E A D P H O N E - L
H E A D P H O N E - R
VT1802P NC PIN
LI N E 1 _ L
MI C 1_ R _C
LI N E 1 _ R
MI C 1_ L _ C
MO N O _O U T
S E N S E _B
MI C 1-R
M I C 1 -V R E F O-R
M I C 1 -V R E F O-L
AN ALOG
LI N E 2 _ R
MI C 2_ L
LI N E 2 _ L
MI C 2_ R
S P K O U T L + _L
MI C _ S E N S E
H P _S E N S E
P le a se Le t LC Filt e r
t oge t he r a nd c lose t o
C ode c. IF S pe a k er
w i re le ngt h is le ss
t han 80 00m ils It don't
ne e d the LC Filt e r.
B E E P
J_SPK1
S P K O U T L -
S P K O U T R +
S P K O U T L +
S P K O U T R -
EM I Requ ire
AZ_RST# For 1. 5V
HDA Link De -pop
PD# Cont rol
VT1802P 5.1K_1%_04
De l R45 9 3 /7
M I C 1 -V R E F O-L
A U D G
S P K OU T L-_ L
A U D G
PN: 6-20- 43130- 104
C 2 3 6
*1 8 0 p_ 5 0 V _ N P O _0 4
C 2 3 7
*1 8 0 p_ 5 0 V _ N P O _0 4
C 2 3 9
*1 8 0 p_ 5 0 V _ N P O _0 4
C 2 4 6
*1 8 0 p_ 5 0 V _ N P O _0 4
J _ S P K 1
* 85 2 0 4-0 4 0 01
1
2
3
4
S P K OU T R +_ R
C
A
A
D 3 3
B A T 54 A W G H
1
2
3
B E E P _C
C O D E C _V R E F
S P K OU TL -_ L
H D A _ R S T #
S E N S E _A
M I C 1 -L _ M
M I C 1 -R _M
S P K O U T R +
H D A _ R S T#
S P K OU T R -_R
S P K OU T L+ _ L
VT1802P 75_1%_04
VT1802P 4.7K_1%_04
Re serve
LD O_ C A P
JD R E F
1
2
J_INTMIC1
VT1802P
2.2K_04
VT1802P
330P
I N T _ MI C
S P K O U T R -
M I C 1 -L
C O D E C _C B P
Summary of Contents for W270BUQ Series
Page 1: ...W270BUQ Series ...
Page 2: ...Preface I Preface Notebook Computer W270BUQ Service Manual ...
Page 23: ...Introduction 1 12 Mainboard Overview Bottom Connectors 1 Introduction ...
Page 38: ...Top A 3 A Part Lists Top 灰色 尚盟 Figure A 1 Top ...
Page 39: ...A 4 Bottom 9W A Part Lists Bottom 9W Figure A 2 Bottom ...
Page 40: ...Bottom 18W A 5 A Part Lists Bottom 18W Figure A 3 Bottom ...
Page 41: ...A 6 SATA DVD DUAL A Part Lists SATA DVD DUAL 志精 Figure 4 SATA DVD DUAL ...
Page 42: ...LCD A 7 A Part Lists LCD Figure A 5 LCD ...
Page 43: ...A 8 LCD A Part Lists ...
Page 73: ...Schematic Diagrams B 30 APU CORE NB CORE B Schematic Diagrams ...
Page 76: ...www s manuals com ...