Schematic Diagrams
KBC IT8587 B - 43
B.Schematic Diagrams
KBC IT8587
Sheet 42 of 63
KBC IT8587
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
R B
R A
KBC_LED
J_KB1
1
24
N850
6-03-08587-FX
6-20-94AF0-124
6-20-94K40-106
KBC LED CONTROL
Used for 15"
3/10
䘥
J_KB2
1
24
N870
6-20-94K40-106
KBC_LED
Gary_Add N870 White LED Keyboard
N8 5
10K _ 1 %
R B
MODE L _ I D
R A
X
X
N8 7
10K _ 1 %
Volt a g e
3. 3 V
0 V
⇌
㕟
us b c har ge r
≇ 傥
,
Pull low
㗪
,
㚱
, pul l hi g h
㗪㰺 㚱
D02
D02
D02
11/03
11/03
ILy! tfsjbmt! nvtu! cf! tuvggfe-! Cvu! offe! up! ejtdsjnjobuf! O96! ps! O98
IKy! tfsjbmt! bsf! gbdupsz! pqujpo-! boe! offe! up! ejtdsjnjobuf! O96! ps! O98
CPU FAN CONTROL
J_FAN1
1
3
CPU_FAN
6-20-23120-003
ὅℙ䓐䶂 嶗 ᾖ 㓡
VGA FAN CONTROL
J_FAN2
1
VGA_FAN
3
6-20-23120-003
For debug only
DEBUG PORT
12/16
EC_PECI
KB-SI3
KB-SI2
KB-SO5
KB-SI1
KB-SO3
KB-SO4
KB-SO11
KB-SI6
KB-SI4
KB-SO8
KB-SO7
KB-SO6
KB-SO14
KB-SO2
KB-SO15
KB-SI0
KB-SI5
KB-SO12
KB-SO1
KB-SO10
KB-SO0
KB-SI7
KB-SO9
KB-SO13
BAT_DET
SMC_BAT
SMD_BAT
BAT_VOLT
CPU_FAN
AC_IN#
MODEL_ID
KB-SI3
KB-SI2
KB-SO5
KB-SI1
KB-SO3
KB-SO4
KB-SO11
KB-SI6
KB-SI4
KB-SO8
KB-SO7
KB-SO6
KB-SO14
KB-SO2
KB-SO15
KB-SI0
KB-SI5
KB-SO12
KB-SO1
KB-SO10
KB-SO0
KB-SI7
KB-SO9
KB-SO13
HSPI_SCLK
AUTO_LOAD_PWR
HSPI_MSO
HSPI_MSI
HSPI_CE#
CPU_FANSEN
KBC_WRESET#
KBC_WRESET#
CPU_FAN
BAT_DET
MODEL_ID
3IN1
80CLK
VBATT_BOOST#
KBCLED
KBLIGHT_ADJ
KBLIGHT_ADJ
VBATT_BOOST#
EC_PECI
VGA_FAN
VGA_FANSEN
GA20
SMD_CPU_THRM_L
KB-DET
KB-DET
BAT_VOLT
KBC_MUTE#
KBC_MUTE#
CPU_FAN
CPU_FANSEN
VGA_FAN
VGA_FANSEN
SMD_VGA_THERM
SMC_VGA_THERM
80CLK
3IN1
VDD3
VDD3
5VS_KBC
VDD3
KBC_AGND
KBC_AGND
KBC_AVDD
VDD3
3.3VS
VDD3
VDD3
KBC_AGND
5VS
5VS_KBC
5VS_KBC
VDD3
FAN_CPU_5VS
3.3VS
5VS
FAN_CPU_5VS
3.3VS
FAN_VGA_5VS
FAN_VGA_5VS
5VS
3.3VS
VDD3
H_PECI
4
VDD3
4,24,25,27,30,32,34,38,39,44,45,46,50,51,52,53,54,55,56
3.3VS
8,9,17,18,20,21,22,23,24,26,27,28,29,30,32,34,35,38,39,40,41,43,44,49,53,54,55,56
BAT_VOLT
42,52
BAT_DET
42,52
5VS
9,20,21,23,39,41,43,44,53,54
AIRPLAN_LED#
40
CCD_EN
40
BKL_EN 22
HSPI_CE#
24
HSPI_MSI 24
HSPI_MSO 24
NB_ENAVDD
22,26
LAN_WAKEUP# 24,27,34,38
SWI# 26
EC_RSMRST#
27
KBC_RST# 28
BUF_PLT_RST#
25,34,35,38
LPC_FRAME#
28,40
AC_PRESENT
27
LED_ACIN
40
SMI#
28
SERIRQ
28,40
PCLK_KBC
28
LPC_AD3
28,40
LPC_AD2
28,40
LPC_AD1
28,40
LPC_AD0
28,40
AC_IN#
52
SCI#
26
SMC_VGA_THERM
16,43
SMD_VGA_THERM
16,43
THERM_VOLT
2
TOTAL_CUR
52
SMC_BAT
52
SMD_BAT
52
BAT_VOLT
42,52
BAT_DET
42,52
LED_BAT_FULL
40
LED_BAT_CHG
40
LED_PWR
40
KBC_BEEP
41
EC_SSD_LED#
40
TP_CLK
39
TP_DATA
39
PWR_SW#
44
LID_SW#
22,39
PWR_BTN#
27
H_PROCHOT_EC
4
HSPI_SCLK
24
SUS_PWR_ACK#
27
VBATT_BOOST#
16
USB_CHARGE_EN
44,46
3G_EN 33
BT_EN
34
DD_ON
36,37,44,46
SUSB# 22,25,27,36,37,44,45,47
SUSC# 27,45,47
LOT6_CHG
52
WLAN_PWR_EN
34
3G_POWER 33
SUS_WARN#
27
PM_PWROK 25
ALL_SYS_PWRGD
4,22,25,49
SLP_SUS# 45,50
ME_WE
27
ASM1142_PORST#_R
35
VIN
22,27,44,45,46,47,48,49,51,52,53,54,55
PCH_SLP_WLAN#
27
WLAN_EN 34
KB-DET 43
KB-SO16 43
KB-SO17 43
DGPU_PWR_EN
17,28,56
OVERT# 16,17
GC6_FB_EN
17,18,28
KBC_MUTE#
41
PMOSFET_CONTROL#
52
CHG_JAP
52
M_BTN# 44
Title
Si ze
Document Number
R e v
Dat e:
Sheet
o f
6-71-N85H0-D01
D01
[42]KBC-ITE IT8587
Custom
42
63
Friday, December 16, 2016
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
Title
Si ze
Document Number
R e v
Dat e:
Sheet
o f
6-71-N85H0-D01
D01
[42]KBC-ITE IT8587
Custom
42
63
Friday, December 16, 2016
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
Title
Si ze
Document Number
R e v
Dat e:
Sheet
o f
6-71-N85H0-D01
D01
[42]KBC-ITE IT8587
Custom
42
63
Friday, December 16, 2016
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
J_80DEBUG1
*85205-04001
PCB Footprint = 85205-0400M
1
2
3
4
R835
10K_04
R389
*10mil_short
R834
*10K_04
R828
0_04
R387
47_04
R412
100K_04
.
L26
HCB1005KF-121T20
C536
10u_6.3V_X5R_06
C528
*5p_50V_NPO_04
C556
0.1u_16V_Y5V_04
R388
*10mil_short
D24
BAV99 RECTIFIER
A
C
AC
R383
1.5K_04
C576
10u_6.3V_X5R_06
_
J_KB1
85208-24051
N850_WHITE
24
23
22
14
12
11
21
8
20
19
6
5
18
4
17
10
9
7
3
2
1
16
15
13
25
26
C392
0.1u_10V_X7R_04
U15
NCT3940S-A
VOUT
3
GND
5
VIN
2
FON
1
VSET
4
GND
6
GND
8
GND
7
R433
4.7K_04
_
C557
0.1u_16V_Y5V_04
K/B MATRIX
FLAS H
LP C
SMBU S
PS/ 2
PW M
UAR T
DA C
CLOC K
IT8587
CI R
AD C
WAKE UP
PWM/COUNTE R
LPC/WAKE UP
EXT GPIO
GP INTERRUPT
WAKE UP
GPI O
U28
IT8587E/FX
WRST#
14
LPCCLK
13
LAD0
10
LAD1
9
LAD2
8
LAD3
7
LFRAME#
6
( PD )LPCPD#/WUI6/GPE6
17
SERIRQ
5
ECSMI#/GPD4( PU )
15
ECSCI#/GPD3( PU )
23
GA20/GPB5
126
KBRST#/GPB6( PU )
4
KSI0/STB#
58
KSI1/AFD#
59
KSI2/INIT#
60
KSI3/SLIN#
61
KSI4
62
KSI5
63
KSI6
64
KSI7
65
KSO0/PD0
36
KSO1/PD1
37
KSO2/PD2
38
KSO3/PD3
39
KSO4/PD4
40
KSO5/PD5
41
KSO6/PD6
42
KSO7/PD7
43
KSO8/ACK#
44
KSO9/BUSY
45
KSO10/PE
46
KSO11/ERR#
51
KSO12/SLCT
52
KSO13
53
KSO14
54
KSO15
55
VC
C
11
VST
BY
26
VST
BY
50
VST
BY
92
VST
BY
114
VST
BY
127
VST
BY
121
VBAT
3
AVC
C
74
PS2CLK0/GPF0( PU )
85
PS2DAT0/GPF1( PU )
86
PS2CLK1/GPF2( PU )
87
( PD )TMRI0/WUI2/GPC4
120
( PD )TMRI1/WUI3/GPC6
124
LPCRST#/WUI4/GPD2( PU )
22
( PD )WUI5/GPE5
35
PWRSW/GPE4( PU )
125
RI1#/WUI0/GPD0( PU )
18
RI2#/WUI1/GPD1( PU )
21
( PD )RING#/PWRFAIL#/LPCRST#/GPB7
112
TXD/GPB1( PU )
109
RXD/GPB0( PU )
108
( PD )CTX/GPB2
123
PS2DAT1/GPF3( PU )
88
PS2CLK2/GPF4( PU )
89
PS2DAT2/GPF5( PU )
90
( PD )TACH0/GPD6
47
( PD )TACH1/GPD7
48
PWM0/GPA0( PU )
24
PWM1/GPA1( PU )
25
PWM2/GPA2( PU )
28
PWM3/GPA3( PU )
29
PWM4/GPA4( PU )
30
PWM5/GPA5( PU )
31
PWM6/GPA6( PU )
32
PWM7/GPA7( PU )
34
ADC0/GPI0
66
ADC1/GPI1
67
ADC2/GPI2
68
ADC3/GPI3
69
ADC4/GPI4
70
ADC5/GPI5
71
ADC6/GPI6
72
ADC7/GPI7
73
VSS
1
VSS
12
VSS
27
VSS
49
VSS
122
VSS
113
AVSS
75
CK32KE
2
CK32K
128
DAC3/GPJ3
79
DAC2/GPJ2
78
GPJ1
77
GPJ0
76
( PD )EGCS#/GPE2
83
( PD )EGCLK/GPE3
84
( PD )EGAD/GPE1
82
GINT/GPD5( PU )
33
L80LLAT/GPE7( PU )
20
VSS
91
DAC5/GPJ5
81
DAC4/GPJ4
80
PWUREQ#/GPC7( PU )
16
( PD )CRX/GPC0
119
( PD )KSO16/GPC3
56
( PD )KSO17/GPC5
57
( PD )GPH0/ID0
93
( PD )GPH1/ID1
94
( PD )GPH2/ID2
95
( PD )GPH3/ID3
96
( PD )GPH4/ID4
97
( PD )GPH5/ID5
98
( PD )GPH6/ID6
99
( PD )GPG1/ID7
107
SMCLK0/GPB3
110
SMDAT0/GPB4
111
SMCLK1/GPC1
115
SMDAT1/GPC2
116
SMCLK2/GPF6( PU )
117
SMDAT2/GPF7( PU )
118
FLFRAME#/GPG2
100
FLAD0/SCE#
101
FLAD1/SI
102
FLAD2/SO
103
FLAD3/GPG6
104
FLCLK/SCK
105
( PD )FLRST#/WUI7/GPG0/TM
106
( PD )L80HLAT/GPE0
19
R347
*10K_04
R363
10K_04
R404
10K_04
R525
4.7K_04
R345
*10mil_short
R
710
4.
7K
_04
C554
0.1u_10V_X7R_04
R362
1.5K_04
R348
10K_1%_04
C13
0.1u_10V_X5R_04
_
J_FAN1
85204-03001
1
2
3
R
711
4.
7K
_04
J_KB2
*85208-24051
N870_WHITE
24
23
22
14
12
11
21
8
20
19
6
5
18
4
17
10
9
7
3
2
1
16
15
13
25
26
C500
0.1u_16V_Y5V_04
C552
0.1u_10V_X7R_04
R386
43_1%_04
R405
10K_04
R364
47_04
J_KBC_LED2
*50541-00601-002
N870_WHITE
1
2
3
4
5
6
R329
*10mil_short
C501
0.1u_10V_X7R_04
R346
10K_04
CHANGE
U5
NCT3940S-A
VOUT
3
GND
5
VIN
2
FON
1
VSET
4
GND
6
GND
8
GND
7
R830
0_04
J_FAN2
85204-03001
1
2
3
C393
10u_6.3V_X5R_06
N870_WHITE
R402
*0_04
D23
BAV99 RECTIFIER
A
C
AC
C553
0.1u_10V_X7R_04
C555
0.1u_10V_X7R_04
J_KBC_LED1
50541-00601-002
N850_WHITE
1
2
3
4
5
6
U2
NCT3940S-A
VOUT
3
GND
5
VIN
2
FON
1
VSET
4
GND
6
GND
8
GND
7
R403
0_04
C284
10u_6.3V_X5R_06
R812
100K_04
R829
0_04
C244
1u_6.3V_X5R_04
PWR_SW1
*TJE-532-Q-T/R
3
1
4
2
5
6
C502
0.1u_10V_X7R_04
C481
1u_6.3V_X5R_04
R330
*10K_04
CHANGE
C394
10u_6.3V_X5R_06
N850_WHITE
Summary of Contents for N870HK1
Page 1: ...N870HK1 ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer N870HK1 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 ...