8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
Cold boot/Optimus: 1V8_AON→ 1 V8_ RUN → NVVD D→ NVVDD S → PEX_ VDD→ F B
V
DD
Q
GC6 2.1 Exit: 1V8_RUN→ NVVDD_L → NVVDD_ S→ PEX_ VDD or 1V8 _ R UN→ NVVD D_ L → NVVDD_ S & PEX
_
V
D
D
PEX_VDD
?
Rubband
2019/12/27
Rubband
2020/02/24
PEX_VDD_PWRGD
2A
PS_1V8_EN_R
NV_PEXVDD_EN
PW R_SRC_NV_FB
PEX_VDD
3.3V
5V
VDD3
PEX_VDD
5V
NV_PEXVDD_EN
17
5V
22,35,37,41,42,44,47
PW R_SRC_NV_FB
53,54
PEX_VDD
10
3.3V
2,17,21,22,33,34,35,37,41,42,44,45,48,51,53
VDD3
4,24,25,27,30,32,33,34,36,38,39,40,41,42,43,46,47,49,50,51,53,54,55
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-NP500-D02
D02
[52] PEX_VDD
A3
52
59
Monday, February 24, 2020
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
N18P
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-NP500-D02
D02
[52] PEX_VDD
A3
52
59
Monday, February 24, 2020
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
N18P
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-NP500-D02
D02
[52] PEX_VDD
A3
52
59
Monday, February 24, 2020
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
N18P
PC12
*10u_6.3V_X5R_06
PEXVDD
PR153
10K_1%_04
PEXVDD
PR138
0_06
PEXVDD
PC11
*10u_6.3V_X5R_06
PEXVDD
PC75
*100p_50V_NPO_04
PEXVDD
PC68
4.7u_6.3V_X5R_04
PEXVDD
PR125
15K_1%_04
PEXVDD
PQ1
PDC3906Z
PEXVDD
4
5
2
5
5
3
1
5
PR141
0_04
PEXVDD
PEXVDD
PC63
0.1u_16V_X7R_04
PEXVDD
PU7
AOZ2261NQI-11
PEXVDD
1
PGOOD
2
EN/DSG
3
PFM*
4
AGND
5
FB
6
TON
7
VIN
8
VIN
9
VIN
10
SW
11
SW
12
PGND
13
PGND
14
PGND
15
PGND
16
SW
17
SW
18
SW
19
ISET
20
BST
21
VCC
22
VIN
23
SS
24
VIN
25
SW
PC73
0.1u_16V_X7R_04
PEXVDD
PQ2
2SK3018S3
PEXVDD
G
D
S
PC96
22u
_6.3
V
_X5R_06
PEXVDD
PR139
0_06
PEXVDD
PR154
100K_1%_04
PEXVDD
PR142
10K_1%_04
PEXVDD
PC95
22u
_6.3
V
_X5R_06
PEXVDD
PC66
100p_50V_NPO_04
PEXVDD
PC87
22u
_6.3
V
_X5R_06
PEXVDD
+
PC77
4.
7u_25
V_X5R_08
PEXVDD
+
PC81
4.
7u_25
V_X5R_08
PEXVDD
PL3
BCIHP5420HC-1ROM
PEXVDD
1
2
PC76
22u
_6.3
V
_X5R_06
PEXVDD
PR28
2K_04
PEXVDD
PC74
0.
1u_25
V_X5R_04
PEXVDD
PR146
*10K_1%_04
PEXVDD
PR25
1.5_06
PEXVDD
PC67
2200p_50V_X7R_04
PEXVDD
PR26
1.5_06
PEXVDD
PC88
*22u_6
.3V_
X5R_06
PEXVDD
PR27
1.5_06
PEXVDD
PR119
*6.8K_1%_04
PEXVDD
PR148
10K_1%_04
PEXVDD
PR24
1.5_06
PEXVDD
PR151
14.7K_1%_04
PEXVDD
PR140
*10K_1%_04
PEXVDD
Sheet 52 of 59
PEX_VDD
Schematic Diagrams
PEX_VDD B - 53
B.Schematic Diagrams
PEX_VDD
Summary of Contents for NP50DB
Page 1: ...NP50DB NP50DE ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer NP50DB NP50DE Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 41: ...Top A 3 A Part Lists Top Figure A 1 Top ...
Page 42: ...A 4 Bottom A Part Lists Bottom Figure A 2 Bottom ...
Page 43: ...Main Board A 5 A Part Lists Main Board Figure A 3 Main Board ...
Page 44: ...A 6 HDD A Part Lists HDD Figure A 4 HDD ...
Page 45: ...LCD A 7 A Part Lists LCD Figure A 5 LCD ...
Page 46: ...A 8 A Part Lists ...