NMOS
ON
PR72
*220_04
PQ48B
*MTNN20N03Q8
6
5
4
PC46
*2200p_50V_X7R_04
PQ48A
*MTNN20N03Q8
1
3
7
2
8
PC179
*10u_6.3V_X5R_06
PC180
*0.1u_10V_X7R_04
PQ11
*MTN7002ZHS3
G
D
S
PR71
*1M_04
SYS15V
1.5V
PR234
*10K_04
1.5V_CPU
PJ21
*OPEN_3mm
1
2
w/ USB charger
W/o USB charger
PQ89
*MTN7002ZHS3
G
D
S
5VS_EN1
5VS
NM OS
VIN
SUSB
3,33,34
PR226
1K_04
C224
0.01u_16V_X7R_04
PR232
*100_04
C225
0.01u_16V_X7R_04
5V_EN1
ON
DD_ON "L" TO
"H" FROM EC
SUSB
PC96
0.1u_16V_Y 5V_04
3.3VS_EN1
3.3VS
ON
SUSB
ON
NMOS
ON
3.
3
V
S
_
LO
PR102
100_04
PQ20B
MTNN20N03Q8
6
5
4
PR109
1M_04
PQ16
MTN7002ZHS3
G
D
S
PC94
10u_6.3V_X5R_06
PC89
4700p_50V_X7R_04
PQ20A
MTNN20N03Q8
1
3
7
2
8
SY S15V
3.3VS
VDD3
DD_ON
1.5VS_CPU
1.5VS_EN
PR233
*100_04
NMOS
ON
3A
5A
1.5VS
Power Plane
3A
5A
3.3V
5V
Power Plane
1.
5V
S
_
L
O
C505
0.01u_16V_X7R_04
DD_ON#
DD_ON
ON
PR231
*100K_04
ON
3.3V_EN1
DD_ON#
NMOS
PQ90
*MTN7002ZHS3
G
D
S
PR227
1K_04
SUSB
5VS
11,12,13,19,20,25,29,30,36,37
1.5VS
19,29
3.3V
2,3,6,11,13,14,15,17,18,19,20,22,23,26,27,28,33,34,35
SY S15V
11,32,34
VIN
11,32,33,34,35,36,37,38
PC217
0.1u_16V_Y 5V_04
NMOS
C504
0.01u_16V_X7R_04
PQ65B
*MTNN20N03Q8
6
5
4
PC110
0.1u_50V_Y 5V_06
SUSB
3,33,34
PC221
*470p_50V_X7R_04
PR220
100K_04
PJ19
*40mil
1
2
PR225
*1M_04
PR223
1M_04
PC216
10u_6.3V_X5R_06
PQ66A
MTNN20N03Q8
1
3
7
2
8
PR221
100K_04
PJ 20
*40mil
1
2
PQ21B
MTNN20N03Q8
6
5
4
PU7
P2808B0
VA
1
VIN
2
M_BTN#
3
INSTANT-ON
4
GND
5
PWR_SW#
6
DD_ON_LATCH
7
VIN1
8
PQ64B
MTNN20N03Q8
6
5
4
PC222
2200p_50V_X7R_04
R371
100K_04
PR218
1M_04
PQ21A
MTNN20N03Q8
1
3
7
2
8
PC95
2200p_50V_X7R_04
PQ64A
MTNN20N03Q8
1
3
7
2
8
PR224
10K_04
S
D
G
PQ67A
L2N7002DW 1T1G
2
6
1
PC2
0.1u_50V_Y 5V_06
PR219
100_04
S
D
G
PQ67B
L2N7002DW 1T1G
5
3
4
PQ66B
MTNN20N03Q8
6
5
4
PR111
1M_04
PQ63
MTN7002ZHS3
G
D
S
PR123
10K_04
PC212
6800p_50V_X7R_04
PC111
0.1u_50V_Y 5V_06
PR222
100K_04
PQ65A
*MTNN20N03Q8
1
3
7
2
8
3.3V
3.3VS
5V
SY S15V
SY S15V VDD3
VDD5
VDD3
5V
3.3V
1.5V
VDD3
VA
1.5VS
SY S15V
VIN
VIN1
VDD3
5VS
SY S15V VDD5
DD_ON
27,30,32
SUSB#
6,15,27
3.3VS
3,9,10,11,12,13,14,15,16,17,18,19,20,23,24,25,27,28,29,30,36
VDD5
30,32
VDD3
13,22,23,24,26,27,30,32,38
DD_ON#
22,30,33
PWR_SW# 27
M_BTN#
30
USB_CHARGE_EN
27,32
VIN1
32
1.5V
3,6,9,10,20,28,33
5V
20,22,23,26,30,33,34,35
1.5V_CPU
3,6
VA
38
PC219
0.1u_16V_Y5V_04
R604
1K_04
C506
0.01u_16V_X7R_04
DD_ON#
ON
C247
0.01u_16V_X7R_04
PJ15
*OPEN_5A
1
2
10A
1.
5
V
S
_C
P
U
_
LO
PJ15 MUST SHORT
SUSB
1.5VS_CPUEN
Sheet 31 of 43
System Power
Schematic Diagrams
B - 32 System Power
B.Schematic Diagrams
System Power
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 ...