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Schematic Diagrams
B - 28 POWER 1.8VS
B.Schematic Diagrams
POWER 1.8VS
EN_1.8V
3 A
3A
Vout = 0.8V ( 1 + Ra / Rb )
Rb
Ra
1.8V_PWRGD
EN_1.8V
1. 8V_PWRGD
SUSB
1.8VS
OCP =10 uA X RILIM / Rdson
4A
PC220
10u_6.3V_X5R_06
PR45
*14K_1%_04
PL3
*TMPC0603 H- 4R7M-Z01
1
2
PC61
*1u_10V_Y5V_06
PJ6
5mm
1
2
PU3
*uP6127
LX
1
BST
2
VCC
3
DL
4
GN
D
5
R
TN
6
N
.C
7
N
.C
8
FB
9
VOUT
10
PGD
11
EN
12
IL
IM
13
N
.C
14
N
.C
15
DH
16
PAD
17
+
PC
5
9
*
560
u_
2.
5V
_6.
6*
6
.6*
5.
9
PC63
*20p_50V_NPO_04
PR46
*10K_1%_04
PC64
*0.01u_16V_X7R_04
PU12
AX6610
GND
1
VCNTL
6
VOUT
3
VIN
5
VOUT
4
VFB
2
POK
7
EN
8
VIN
9
PC53
*4.
7u
_25
V
_X
5R
_08
PR44
*10mil_shor t
PQ21A
*AP6901GSM
7
8
1
2
PC58
*0.1u_10V_X7R_04
PQ20
MTN7002ZHS3
G
D
S
PC62
*0. 1u_10V_X7R_04
PC56
*0.1u_10V_X7R_04
PD10
*RB0540S2
A
C
PC224
1u_10V_Y5V_06
PR204
12. 7K_1%_1/ 16W_04
PC223
10u_6.3V_X5R_06
PC221
0.1u_16V_Y5V_04
PR43
220K_1%_04
PC54
*4.
7u
_25
V
_X
5R
_08
PR205
10K_1%_04
PR41
*15K_1%_04
PC222
82p_50V_NPO_04
PJ22
3mm
1
2
PQ21B
*AP6901GSM
4
3
5
6
PC
60
*
0
.1
u
_
1
6
V_
Y
5
V_
0
4
PC57
0.01u_16V_X7R_04
PC217
10u_6.3V_X5R_06
PC52
*.
1u
_5
0V
_
Y
5V
_0
6
PR42
10K_1%_04
PC65
*20p_50V_NPO_04
PR40
100K_1%_04
VIN
1.8VS
V1.8S
3.3V
5V
5V
V1.8 S_REG
5V
1.8VS
3. 3V
SUSB
23, 25,26
1.8V_PWRGD
11
Sheet 27 of 43
POWER 1.8VS
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 ...