5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
㓦 暣 䶂 嶗
OCP=140A
RON=2.8mR
08 2 4
O C P
300KHZ
isat=90A
isat=90A
2360 mil
0.6V~1.2V
59A
DEFAULT SHORT
NVVDD FOR N17_VGA
EMI
EMI
59A
NVDD+NVDDS Merged
Power 9/8
9/14 Power
9/14 Power
9/15 Power
Close to Choke
Close to Choke
9/19 power
9/19 power
9/18 EMI
close to MOSFET
9/18 EMI
close to MOSFET
9/19 power
9/19 power
9/28 Close to IC
Default
11/30
11/30
D02_01/03_H
D02_01/03_H
D02_01/03_H
D02_01/03_H
NV_NVVDD_EN
NV
V
DD_
P
W
RG
D_
R
U
G
AT
E2
_
N
VVD
D
NV_VDD_L
NVVDD_VREF
NV_VDD_R
NVVDD_FBDRTN
PH1_NVVDD
NVVDD_FB
NVVDD_REFADJ
UGATE1_NVVDD
UGATE2_NVVDD
PVCC_NVVDD
NVVDD_EN
NVVDD
PH
2
_
N
VVD
D
NVVDD_VREF
NVVDD_REFADJ
PH2_NVVDD
PH1_NVVDD
NVVDD_FBDRTN
NV_VDD_L
NV_VDD_R
NVVDD_FB
NVVDD
VDD3
NVVDD
VIN
5VS
VIN
VDD3
1V8_AON
VIN
3.3VS
NVVDD
NVVDD
VIN
VIN
VIN
VIN
VDDQ
6,8,9,45,48
1V8_AON
10,16,17,18,52,53
1V8_RUN
10,11,53
5VS
9,20,21,23,37,38,39,40,41,42
3.3V
2,17,22,33,35,42,43,45,47,48
VIN
22,27,42,43,44,45,46,47,49,50,52
FBVDDQ
11,12,13,14,15,52
NVVDD
19
5V
22,35,37,42,45,46,47,48,49,52,53
3.3VS
8,9,20,21,22,23,24,26,27,28,29,32,34,36,37,38,39,40,41,42,47,52,53
VDD3
4,24,25,27,30,34,36,37,40,42,43,44,48,50,52,53
GPU_VSS_SENSE
10
GPU_VDD_SENSE
10
GPIO0_NVVDD_PWM_VID
16
GPIO6_NVVDD_PSI#
16
NV_NVVDD_EN
17
NVVDD_PWRGD
10,17
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-N85J0-D01
D02B
[51]NVVDD
Custom
51
63
Friday, March 02, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-N85J0-D01
D02B
[51]NVVDD
Custom
51
63
Friday, March 02, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-N85J0-D01
D02B
[51]NVVDD
Custom
51
63
Friday, March 02, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
PR105
0_04
PC169
1000p_50V_X7R_04
EMC7
220p_50V_NPO_04
PQ6
QM3006M3
4
5
2
5
5
3
1
5
PR195
0_04
PR102
100_04
PC55
*8200p_50V_X7R_04
EMR2
5.1_06
EMC39
0.
1u_25V
_X
7R
_06
EM
C
2
0.
1u_25V
_X
7R
_06
EM
C
4
0
0.
01u_25V
_X
7R
_04
+
P
C
171
E
E
E
F
Z
1E
101P
PC165
4700p_50V_X7R_04
PR202
30K_1%_04
P
C
182
0.
1u_10V
_X
7R
_04
PC140
*0.1u_10V_X5R_04
PR39
100K_04
EMC38
0.
1u_25V
_X
7R
_06
PR204
499_1%_04
E
M
C
34
0.
1u_25V
_X
7R
_06
+
P
C
176
390uF
_2.
5V
_10m
_6.
3*
6
PQ5
2SK3018S3
G
D
S
PR200
*0_04
+
PC125
4.
7u_25V
_X
7R
_08
PC58
*8200p_50V_X7R_04
PJ25
*CV-40mil
1
2
EM
C
4
1
0.
01u_25V
_X
7R
_04
EMC37
0.
1u_25V
_X
7R
_06
PR203
0_04
PL5
CMMS104T-R22MS
PR205
499_1%_04
PC167
*0.01u_50V_X7R_04
PC142
0.1u_25V_X7R_06
PR196
0_04
COMMON
MLP08
INS29022763
PQ13
CSD87350Q5D
1
D1
2
3
G1
4
S1
5
G2
6
D2
7
8
9
S2
EMC36
0.
1u_25V
_X
7R
_06
P
C
126
10u_25V
_X
5R
_08
PR104
0_04
PU9
up9509PQAG
RE
F
IN
7
VREF
8
TON
9
FB
11
COMP
12
EN
3
VI
D
5
PVCC
21
PSI
4
LGATE2
20
PHASE1
24
GN
D
25
FBDRTN
10
LGATE1
23
REFADJ
6
B
OOS
T
1
1
U
G
AT
E1
2
P
GOOD
16
U
G
AT
E2
17
B
OOT
2
18
PHASE2
19
ISEN
3
13
ISEN
2
14
ISEN
1
15
PWM3
22
PR224
*100K_04
PR177
2.2_04
PR97
2K_04
PR77
*10K_1%_04
PR226
*15.8K_1%_04
E
M
C
6
0.
1u_25V
_X
7R
_06
PR40
1_06
+
PC123
4.
7u_25V
_X
7R
_08
PD3
C
S
OD
140B
S
H
A
C
+
P
C
183
E
E
E
F
Z
1E
101P
PR19
1_06
+
P
C
177
390uF
_2.
5V
_10m
_6.
3*
6
+
P
C
188
390uF
_2.
5V
_10m
_6.
3*
6
PJ6
*CV-40mil
1
2
PC57
*0.022u_25V_X7R_04
PR197
4.7K_04
PR222
300K_1%_04
PR239
0_04
PR103
100_04
PR96
15_1%_06
PR54
*0_04
PR218
*0402_short-p
+
P
C
197
390uF
_2.
5V
_10m
_6.
3*
6
PC143
1u_6.3V_X5R_04
PC168
*33p_50V_NPO_04
PR221
309_1%_04
PC71
*10u_6.3V_X5R_06
PC166
0.1u_10V_X7R_04
PC164
4700p_50V_X7R_04
PR225
15K_1%_04
EMC8
220p_50V_NPO_04
PR198
1K_04
PC56
*0.022u_25V_X7R_04
P
C
29
10u_25V
_X
5R
_08
+
P
C
201
E
E
E
F
Z
1E
101P
PR99
15_1%_06
PR38
100K_04
PC141
*47p_50V_NPO_04
PR199
*100K_04
COMMON
MLP08
INS29022803
PQ14
*CSD87350Q5D
1
D1
2
3
G1
4
S1
5
G2
6
D2
7
8
9
S2
PR76
*10K_1%_04
PC72
*10u_6.3V_X5R_06
PR223
0_04
+
PC124
4.
7u_25V
_X
7R
_08
PC170
*4700p_50V_X7R_04
PR206
0_04
COMMON
MLP08
INS29023115
PQ16
CSD87350Q5D
1
D1
2
3
G1
4
S1
5
G2
6
D2
7
8
9
S2
PJ26
*CV-40mil
1
2
PR95
15_1%_06
PL6
CMMS104T-R22MS
+
PC112
4.
7u_25V
_X
7R
_08
PR85
10K_04
PR320
*0_04
EMR1
5.1_06
PC144
0.1u_25V_X7R_06
PR241
*0_04
PR98
15_1%_06
PR201
0_04
PR217
4.32K_1%_04
PR176
0_06
PR216
20.5K_1%_04
PR220
16.5K_1%_04
EM
C
3
5
0.
1u_25V
_X
7R
_06
PD4
C
S
OD
140B
S
H
A
C
PR227
0_04
PR219
6.19K_1%_04
COMMON
MLP08
INS29023035
PQ15
*CSD87350Q5D
1
D1
2
3
G1
4
S1
5
G2
6
D2
7
8
9
S2
Sheet 51 of 60
NVVDD
Schematic Diagrams
B - 52 NVVDD
B.Schematic Diagrams
NVVDD
Summary of Contents for N850EJ1
Page 1: ...N850EJ1 N855EJ1 N857EJ1 ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer N850EJ1 N855EJ1 N857EJ1 Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 40: ...Disassembly 2 16 2 Disassembly ...
Page 43: ...Top N850EJ1 N857EJ1 A 3 A Part Lists Top N850EJ1 N857EJ1 Figure A 1 Top N850EJ1 N857EJ1 ...
Page 44: ...A 4 Top N855EJ1 A Part Lists Top N855EJ1 Figure A 2 Top N855EJ1 ...
Page 45: ...Bottom A 5 A Part Lists Bottom Figure A 3 Bottom ...
Page 46: ...A 6 Main Board A Part Lists Main Board Figure A 4 Main Board ...
Page 47: ...HDD A 7 A Part Lists HDD Figure A 5 HDD ...
Page 48: ...A 8 LCD N850EJ1 A Part Lists LCD N850EJ1 Figure A 6 LCD N850EJ1 ...
Page 49: ...LCD N857EJ1 A 9 A Part Lists LCD N857EJ1 Figure A 7 LCD N857EJ1 ...
Page 50: ...A 10 LCD N855EJ1 A Part Lists LCD N855EJ1 Figure A 8 LCD N855EJ1 ...
Page 112: ...Schematic Diagrams B 62 B Schematic Diagrams ...