Schematic Diagrams
B - 46 DDR 1.2V / 0.6VS, 2.5V
B.Schematic Diagrams
DDR 1.2V / 0.6VS, 2.5V
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
R1
R2
For CV test
3A
Ra
3A
Rb
2.5V
Vout = 0.8V ( 1 + Ra / Rb )
Layout trace 2A after jumper
2.52V = 0.8V ( 1 + 21.5/ 10 )
天
月
P I N4
儛
CV Test
DDR4
1.2V/0.6VS
DEFAULT SHORT
2A
1.2V
13A
VTT_MEM(0.6V)
ON
2A
Hi 1.35V
DDR GPIO OUTPUT VOLTAGE SELECT
GPIO DDR Vout
Lo 1.2V
暣⡻ 堐
9/12
OCP MAX: 14.2A
9/12
9/19 power
9/21 Power
Default
Default
Default
CV Test
⮔
⹎
≈⣏ 䁢
8m il
D02_12/05_H
VDDQSET
2.5V_PG
VDDQSET
5V
5V
VDDQ_R
5V
VIN
VDDQ_R
VDDQ
VTT_MEM
3.3V
5V
5V
3.3V
5V
2.5V
3.3V
VIN
5V
2.5V
8,9
VDDQ
6,8,9,48
VIN
22,27,42,43,44,46,47,49,50,51,52
3.3V
2,17,22,33,35,42,43,47,48
VTT_MEM
8,9
5V
22,35,37,42,46,47,48,49,52,53
PEX_VDD
10,16,53
3.3VS
8,9,20,21,22,23,24,26,27,28,29,32,34,36,37,38,39,40,41,42,47,51,52,53
5VS
9,20,21,23,37,38,39,40,41,42,51
SMB_DATA
9,27,37
SMB_CLK
9,27,37
DDR 1.35V_PWRGD
43
DDR_VTT_PG_CTRL
4
SUSC#
40,45,48
SUSB#
22,25,35,40,42,43,48
VDD3
4,24,25,27,30,34,36,37,40,42,43,44,48,50,51,52,53
SUSC#
40,45,48
Title
Size
Document Number
R e v
Date :
Sheet
o f
6-71-N85J0-D01
D02B
[45] DDR 1.2V/0.6VS,2.5V
A3
45
63
Friday, March 02, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
Title
Size
Document Number
R e v
Date :
Sheet
o f
6-71-N85J0-D01
D02B
[45] DDR 1.2V/0.6VS,2.5V
A3
45
63
Friday, March 02, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
Title
Size
Document Number
R e v
Date :
Sheet
o f
6-71-N85J0-D01
D02B
[45] DDR 1.2V/0.6VS,2.5V
A3
45
63
Friday, March 02, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
PU3
G9661-25ADJF11U
GND
8
VCNTL
4
NC
5
VIN
3
VOUT
6
VFB
7
POK
1
EN
2
GND
9
PR132
47K_04
C413
*1u_6.3V_X5R_04
PR304
*0603_short-p
C427
*0.1u_10V_X7R_04
PC248
0.1u_10V_X7R_04
PQ36
MDU1516
ULTRASO-8
G
D
S
PC249
*100p_50V_NPO_04
R211
100K_04
PJ12
*CV-40mil
1
2
PC91
*10u_6.3V_X5R_06
PR302
402K_1%_04
EMC21
2200p_50V_X7R_04
Q15
2SK3018S3
G
D
S
C431
*0.1u_10V_X7R_04
R471
10K_04
U15
*uP1804A
VCC
1
BUS_SEL
2
GND
3
SDA
4
SCL
5
NC
6
NC
7
OUT
8
PJ51
*2mm
1
2
PR300 2.2_04
Q13
2SK3018S3
G
D
S
PD18
RB0540S2
A
C
C443
0.01u_16V_X7R_04
R210
10K_04
PC239
0.1u_10V_X7R_04
R226
1K_04
C432
*0.22u_10V_X5R_04
R470
10K_04
R213
47K_04
PC88
82p_50V_NPO_04
PR305
6.04K_1%_04
+
PC236
330uF_2V_5*5*4.2
+
PC242
4.7u_25V_X7R_08
PR134
21.5K_1%_04
PJ14
*CV-40mil
1
2
PR301
10K_1%_06
PR303
*0603_short-p
EMR5
0_06
PD17
CSOD140BSH
A
C
PR299
4.12K_1%_06
+
PC241
4.7u_25V_X7R_08
PC86
10u_6.3V_X5R_06
R209
10K_04
PC247
22u_6.3V_X5R_08
PC245
10u_6.3V_X5R_06
PQ37
MDU1531
ULTRASO-8
G
D
S
R214
*10_04
PJ11
*CV-40mil
1
2
PC90
22u_6.3V_X5R_08
PJ47
*8mm
1
2
PL16
BCIHP0730-1R0M
PCB Footprint = BCIHP0735A
1
2
PC87
0.1u_10V_X7R_04
R212
*10K_04
PC89
1u_6.3V_X5R_04
PC243
1u_10V_Y5V_06
PC240
0.1u_25V_X7R_06
R190
*0_04
PU15
G5616BRZ1U
VTTGND
1
VLDOIN
19
VTT
20
VTTSNS
2
GND
3
TON
9
VTTREF
4
VCC5
11
PGOOD
10
S5
8
S3
7
VDDQSET
6
VDDQSNS
5
CS
13
PGND
14
DRVL
15
LL
16
DRVH
17
VBST
18
PVCC5
12
GND
21
PC244
1u_10V_Y5V_06
R208
*0402_short-p
PR133
10K_1%_04
EMR12
2.2_1%_06
PJ13
*CV-40mil
1
2
R227
*10K_04
PC246
0.1u_10V_X7R_04
C433
*1u_6.3V_X5R_04
R468
*0402_short-p
EMR13
*0603_short-p
Q12
2SK3018S3
G
D
S
PR280
*0_12
Q14
MMBT3904H
B
E
C
Sheet 45 of 60
DDR 1.2V / 0.6VS,
2.5V
Summary of Contents for N870EK1
Page 1: ...N870EK1 N871EK1 ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer N870EK1 N871EK1 Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 40: ...Disassembly 2 16 2 Disassembly ...
Page 43: ...Top A 3 A Part Lists Top Figure A 1 Top ...
Page 44: ...A 4 Bottom A Part Lists Bottom Figure A 2 Bottom ...
Page 45: ...Main Board A 5 A Part Lists Main Board Figure A 3 Main Board ...
Page 46: ...A 6 HDD A Part Lists HDD Figure A 4 HDD ...
Page 47: ...LCD A 7 A Part Lists LCD Figure A 5 LCD ...
Page 48: ...A 8 A Part Lists ...
Page 110: ...Schematic Diagrams B 62 Power Sequence B Schematic Diagrams ...