Schematic Diagrams
POWER 1.1V/ 1VS B - 27
B.Sch
e
m
a
tic D
iag
rams
POWER 1.1V/ 1VS
1.1VS_VTT=0.75 X (1+PR101 / PR102)
OCP=10uA X RILIM / Rdson
S U S C
5A
1.1V
E N _ 1 . 1 V
3A
E N _ 1 V S
1 V S _ P W R G D
Vout = 0.8V ( 1 + Ra / Rb )
Ra
Rb
3 A
S U S B
E N _ 1 V S
10/22 1.0V=>1.054V
1 V S _ P W R GD
Ch an g e va lue 3 /24
P R 7 7
1 0 0K _1 % _ 0 4
P C 9 6
1 u _ 1 0V _Y 5 V _ 0 6
P C 78
2 20 0 p _ 5 0 V _ X7 R _ 0 4
P C 9 1
0 . 1 u _ 1 0 V _ X5 R _ 0 4
P C 9 7
0 . 0 1 u _ 1 6V _ X7 R _ 04
P C 2 1 6
1 0 u _6 . 3 V _ X 5 R _0 6
P C 1 0 4
0. 1u _ 1 0 V _ X 5 R _ 0 4
P R 7 2
*6 2 K _ 1 % _0 4
P C 1 0 0
0 . 1 u _ 1 0 V _ X7 R _ 0 4
P J 1 8
3 m m
1
2
P R 7 3
2 20 K _ 1 % _ 0 4
P C 2 1 5
1 0 u _ 6. 3V _X 5 R _ 06
P L 5
T M P C 0 60 3 H -4 R 7 M -Z 0 1
1
2
P R 1 9 6
3 . 2 4 K _ 1 % _ 0 4
P D 1 4
R B 0 5 4 0 S 2
A
C
P C 9 8
* 2 0p _ 5 0 V _ N P O_ 0 4
P C 1 08
*0 . 1 u _ 1 0 V _ X 7R _ 0 4
+
PC
9
3
56
0u
_2
.5
V
_6
.6*
6
.6
*
5.
9
P U 5
u P 6 1 27
L X
1
B S T
2
V C C
3
D L
4
GN
D
5
RT
N
6
N.
C
7
N.
C
8
F B
9
V O U T
10
P G D
11
E N
12
IL
I
M
13
N.
C
14
N.
C
15
DH
16
P A D
1 7
P R 7 5
1 0 K _ 1 % _0 4
P
C
94
0.
1u
_1
6V
_
Y
5V
_0
4
P J 1 0
5 m m
1
2
P J 2 3
O P E N -1 m m
1
2
P R 7 0
10 0 K _ 1 % _ 0 4
P C 9 0
*4.
7u_
25
V
_X
5R
_08
P C 2 1 4
8 2 p _ 5 0 V _ N P O _ 0 4
P Q3 0
MT N 70 0 2 Z H S 3
G
D
S
P R 7 8
6 2 K _ 1% _ 0 4
P R 7 1
1 0 K _ 1% _ 0 4
P R 1 9 5
1 0 . 2 K _ 1 % _ 0 4
P C 8 9
0 . 1 u _ 1 0 V _ X 7R _ 0 4
P R 1 9 7
62 K _ 1 % _ 0 4
P C 8 7
4.
7u_
25V
_X
5R
_08
P Q3 3
M T N 7 0 0 2 Z H S 3
G
D
S
P C 9 2
0. 1u _ 1 0 V _ X 7 R _ 0 4
P C 8 8
0.
1u_
50
V
_Y
5V
_06
P C 9 9
3 0 0 K _ 1 % _0 4
P C 2 19
1 0 u_ 6 . 3 V _ X 5 R _ 0 6
P R 7 4
* 10 m i l _ sh o rt
P R 8 0
2 2 0 K _ 1% _ 0 4
P R 51
5 . 1 _0 6
P U 1 1
A X 66 1 0
G N D
1
V C N T L
6
V O U T
3
V I N
5
V O U T
4
V F B
2
P OK
7
E N
8
V I N
9
P C 9 5
*0 . 1 u _ 10 V _X 7 R _ 04
P R 7 6
2 1 K _ 1 % _0 4
P C 2 1 8
0 . 1 u _ 16 V _Y 5 V _ 0 4
P Q3 1
P 1 2 0 3 B V
4
6
2
7
3
8
5
1
P C 2 1 3
1 u _ 1 0 V _ Y 5 V _ 0 6
P Q 3 2
P 1 20 3 B V
4
6
2
7
3
8
5
1
V I N
1 . 1 V
3 . 3 V
5 V
V 1 . 1
5 V
3 . 3 V
V 1 S _ R E G
5 V
5 V
1 V S
1 . 5 V
S U S B
2 3 , 2 5 , 2 7
1.1 V_PWRGD
1 1
1VS_ PWRGD
28
D D _ O N #
2 2 , 2 3 , 2 5
S U S C
23 , 2 8
3 /8
Delete PU6 and relat ed part s.
Sheet 26 of 43
POWER 1.1V/ 1VS
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 ...
