USB_CHARGE_EN
27,31
PQ73
*MTN7002ZHS3
G
D
S
VDD3/VDD5
w/ USB charger
PD6
CS
O
D
1
4
0
S
H
A
C
S
D
G
PQ77A
MTDN7002ZHS6R
2
6
1
P
C
71
*0
.1
u_
1
0
V
_
X
5
R
_
0
4
EN_5V
EN_3V
EN
_
3
V
5
V
PJ11
*40mil
1
2
S
D
G
PQ77B
MTDN7002ZHS6R
5
3
4
PR86
*0_04
PR90
10K_04
P
R
84
100K
_
04
PR82
0_04
DD_ON
27,30,31
VREG5
SYS3V
38
VDD5
30,31
VDD3
13,22,23,24,26,27,30,31,38
VIN
11,31,33,34,35,36,37,38
EN_ALL
7A
5A
Rb
Ra
EN_3V
M990125
EN_5V
PR213
2.2_06
VDD5
VDD3
+
PC63
220u_6.3V_6.3*6.3*4.2
PR75
30K_1%_06
PR214
0_04
PC201
1000p_50V_X7R_04
PQ60
ME4410AD-G
4
6
2
5
7
3
1
8
PD8
*RB0540S2
A
C
PC72
0
.1u
_
1
6V
_Y
5
V
_
0
4
PC204
0.1u_10V_X7R_04
PC64
4.7u_25V_X5R_08
PR209
*680K_1%_04
PR212
*0_04
PR201
*10K_04
PJ10
*5mm
1
2
PL9
BCIHP0730-4R7M
1
2
PC58
0.1u_16V_Y 5V_04
PC68
2200p_50V_X7R_04
PR198
100K_04
PC199
1u_10V_Y 5V_06
PD19 RB0540S2
A
C
PD7
*RB0540S2
A
C
PC61
1000p_50V_X7R_04
PC206
0.1u_50V_Y5V_06
PC195
1u_10V_Y 5V_06
PC69
2200p_50V_X7R_04
PR76
13K_1%_06
PU11
UP6182
VR
E
F
3
EN
1
1
VF
B1
2
TO
N
S
E
L
4
LD
O
5
17
LGATE1
19
PHASE1
20
VF
B2
5
UGATE2
10
VC
L
K
18
BOOT2
9
EN
2
6
VO2
7
LDO3
8
PHASE2
11
LGATE2
12
EN
0
13
SK
IP
S
E
L
14
GN
D
15
VI
N
16
UGATE1
21
BOOT1
22
POK
23
VO1
24
G
ND P
A
D
25
PC62
1
00
p_
50
V
_N
P
O
_04
PD5
*S
K
3
4
S
A
A
C
PC210
0.01u_50V_X7R_04
PD20
RB0540S2
A
C
PD9
*S
K
3
4
S
A
A
C
PR210
0_04
PC200
4.7u_25V_X5R_08
PC203
0.1u_10V_X7R_04
PD24
RB0540S2
A
C
PC209
0.01u_50V_X7R_04
+
PC65
2
20u
_6
.3V
_6
.3*
6
.3*
4.
2
PR215
*0_04
PR77
0_04
PQ13
ME4410AD-G
4
6
2
5
7
3
1
8
PD22
RB0540S2
A
C
PC74
4.7u_25V_X5R_08
PJ8
*5mm
1
2
PC198
1000p_50V_X7R_04
PC207
4.7u_25V_X5R_08
PR197
100K_04
PR194
20K_1%_04
PL10
BCIHP0730-4R7M
1
2
PR196
19.1K_1%_06
PR211
*0_04
PC208
1u_10V_Y 5V_06
PR195
*0_04
PC205
4.7u_25V_X5R_08
PQ12
ME4410AD-G
4
6
2
5
7
3
1
8
PQ56
ME4410AD-G
4
6
2
5
7
3
1
8
PD23
RB0540S2
A
C
SYS15V
SYS5V
VDD3
VREF
VIN
SY S3V
VIN
VREG3
SYS10V
VDD5
VREG5
VIN1
VREG5
SYS5V
VREF
VREG5
SY S5V
VIN
VREG5
VIN1
31
SY S15V
11,31,34
PR228
1.5M_04
DD_ON_EN_VDD
PD21
CS
O
D
1
4
0
S
H
A
C
Sheet 32 of 43
VDD3, VDD5
Schematic Diagrams
VDD3, VDD5 B - 33
B.Schematic Diagrams
VDD3, VDD5
Summary of Contents for W251EUQ
Page 1: ...W251EUQ W253EUQ W255EU W258EUQ ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer W251EUQ W253EUQ W255EU W258EUQ Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 43: ...Top W251EUQ A 3 A Part Lists Top W251EUQ 非耐落 灰色 尚盟 Figure A 1 Top W251EUQ ...
Page 44: ...A 4 Top W255EU A Part Lists Top W255EU 灰色 尚盟 非耐落 Figure A 2 Top W255EU ...
Page 45: ...Top W258EUQ A 5 A Part Lists Top W258EUQ 非耐落 非耐落 灰色 尚盟 Figure A 1 Top W258EUQ ...
Page 46: ...A 6 Top W253EUQ A Part Lists Top W253EUQ Figure A 1 Top W253EUQ ...
Page 48: ...A 8 Bottom W253EUQ A Part Lists Bottom W253EUQ Figure A 3 Bottom W253EUQ ...
Page 52: ...A 12 DVD DUAL W253EUQ A Part Lists DVD DUAL W253EUQ Figure A 7 DVD DUAL W253EUQ 非耐落 志精 ...
Page 54: ...A 14 LCD W253EUQ A Part Lists LCD W253EUQ Figure A 9 LCD W253EUQ ...
Page 101: ...www s manuals com ...