
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
CLOSE TO BAT CONN.
EC MODEL CHOOSE (FOR DIFFERENCE K/B TYPE)
EC MODEL_ID LIST
RA
RB
10K
X
10K
X
N75
VOLTAGE
3.3V
0V
N74
RA
RB
DEBUG PORT
⇌㕟
ƵƐďĐŚĂƌŐĞƌ
≇傥
͕
WƵůůůŽǁ
㗪
͕
㚱
͕ƉƵůůŚŝŐŚ
㗪㰺㚱
4PIN Pitch 1.25mm CON.
H W/O USB CHARGE
L W USB CHARGE
N75
6-20-94AH0-124
FP238BH-024S10M
2ND 6-20-94AF0-124
KBC_AVDD
VDD3
VDD3
3.3VS
KBC_AGND
VDD3
VDD3
3.3VA
KBC_AGND
VDD3
VDD3
VIN
VDD3
VDD3
VDD3
VDD3
VDD3
PW R_SW #
27
LID_SW #
15,24
THERM_VOLT
2
TOTAL_CUR
33
BUF_PLT_RST#
6,17,18,19,21
PCLK_KBC
5
AC_IN#
33
SCI#
2
PW R_BTN#
6
SUSW ARN#
6
HSPI_MSI
5
LOT6_CHG
33
LED_ACIN
25
SMI#
2
KBC_MUTE#
20
CPU_FAN
18
RSMRST#
6
ME_W E
4
KBC_BEEP
20
LED_BAT_FULL
25
LED_PW R
25
LED_BAT_CHG
25
H_PROCHOT_EC
2
SUS_PW R_ACK
6
W LAN_PW R_EN
19
TP_CLK
24
TP_DATA
24
SMC_BAT
33
SMD_BAT
33
BAT_DET
33
LPC_FRAME#
5,18
SERIRQ
5,18
LPC_AD3
5,18
LPC_AD2
5,18
LPC_AD1
5,18
LPC_AD0
5,18
BAT_VOLT
33
W LAN_EN
19
LAN_W AKEUP#
6,17,19
AC_PRESENT
6
CPU_FANSEN
18
BKL_EN
15
SB_KBCRST#
5
CHG_JAP
33
PCH_PW ROK_EC
6
HSPI_CE#
5
HSPI_MSO
5
HSPI_SCLK
5
SW I#
7
3.3VS
2,4,5,6,7,8,13,14,15,16,17,18,19,20,21,24,25,27,31
RTCVCC
4,10
VDD3
4,5,6,7,10,17,19,22,24,27,28,29,30,32,33
PM_PW ROK
6
PCH_SLP_W LAN#_R
6
3G_DET#
19
3.3VA
5,6,7,8,10,27
1.8VS
7,9,27
3G_EN
19
CCD_EN
24
3.3V
2,4,6,7,15,17,18,19,21,22,23,27,29,32
AIRPLAN_LED#
25
ALL_SYS_PW RGD
6,15,31
VIN
15,22,27,28,29,30,31,32,33
VR_ON
31
EC_SSD_LED#
25
ASM1142_PORST_EC
21
H_PECI
2
SUSC#
6,29,30,32
SUSB#
6,15,19,22,23,25,27,30,32
USB_CHARGE_EN
27,28
BT_EN
19
DD_ON
22,23,27,28
3G_POW ER_EN
19
VA_EC_EN
27,29,30
SLP_SUS#
6
PCH_DPW ROK_EC
6
KBLIGHT_ADJ
24
Title
Size
Document Number
Rev
Date:
Sheet
of
2.0
[26] KBC_ITE IT8587
A3
26
40
Friday, August 26, 2016
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
6-7P-N7505-001
6-71-N7500-D02
Title
Size
Document Number
Rev
Date:
Sheet
of
2.0
[26] KBC_ITE IT8587
A3
26
40
Friday, August 26, 2016
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
6-7P-N7505-001
6-71-N7500-D02
Title
Size
Document Number
Rev
Date:
Sheet
of
2.0
[26] KBC_ITE IT8587
A3
26
40
Friday, August 26, 2016
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
6-7P-N7505-001
6-71-N7500-D02
R29
10K_04
R285
1.5K_04
U4
74AHC1G08GW
1
2
5
4
3
C403
0.1u_16V_Y5V_04
R288
43_1%_04
R317
100K_04
R22
10K_1%_04
R31
47K_04
J_KB1
FP238BH- 024S10M
N75
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
Q1
2SK3018S3
G
D
S
R23
10K_04
USB CHARGE
R313
*10K_04
R289
100K_04
R295
47_04
C364
*5p_50V_NPO_04
C411
0.1u_16V_Y5V_04
R328
100K_04
R34
10K_04
C27
1u_6.3V_X5R_04
D28
BAV99 RECTIFIER
A
C
AC
R308
*43K_04
D27
BAV99 RECTIFIER
A
C
AC
C362
10u_6.3V_X5R_06
L1
HCB1005KF-121T20
J_80DEBUG1
85204-04001
DEBUG
1
2
3
4
IT8587
U19B
IT8587E/FX
GPA0/PWM0/5VT
24
GPA2/PWM2/5VT
28
GPA3/PWM3/5VT
29
GPA4/PWM4/5VT
30
GPI2/ADC2
68
GPI5/ADC5/DCD1#
71
GPI6/ADC6/DSR1#
72
GPJ0/TACH2
76
GPJ4/DAC4/DCD0#
80
GPJ5/DAC5/RIG0#
81
GPC1/SMCLK1/5VT
115
GPC2/SMDAT1/5VT
116
CK32KE/GPJ7
2
TACH1/TMA1/GPD7
48
5VT/EGAD/GPE1
82
5VT/EGCS#/GPE2
83
5VT/EGCLK/GPE3
84
5VT/ID3/GPH3
96
5VT/ID4/GPH4
97
5VT/ID5/GPH5
98
5VT/ID6/GPH6
99
5VT/SSCE0#/GPG2
100
5VT/CRX0/GPC0
119
CK32K/GPJ6
128
GPJ2/DAC2//TACH0B
78
GPF7/SMDAT2/PECIRQT#
118
KSO16/SMOSI/GPC3
56
KSO17/SMISO/GPC5
57
R314
100K_04
C386
0.1u_16V_Y5V_04
LPC
DAC
SMBUS
PWM
PS/2
WAKE UP
GP INTERRUPT
UART
K/B MATRIX
IT8587
ADC
U19A
IT8587E/FX
GPB6/KBRST#
4
GPM6/SERIRQ
5
GPM5/LFRAME#
6
GPM3/LAD3
7
GPM2/LAD2
8
GPM1/LAD1
9
GPM0/LAD0
10
GPM4/LPCCLK
13
WRST#
14
GPD4/ECSMI#
15
GPC7/PWUREQ#/BBO/SMCLK2ALT
16
GPD0/RI1#
18
GPE7/L80LLAT/5VT
20
GPD1/RI2#/5VT
21
GPD2/LPCRST#/5VT
22
GPD3/ECSCI#/5VT
23
GPA1/PWM1/5VT
25
GPA5/PWM5/5VT
31
GPA6/PWM6/SSCK/5VT
32
GPD5/GINT/CTS0#/5VT
33
GPA7/PWM7/RIG1#/5VT
34
GPJ1
77
GPJ3/DAC3/TACH1B
79
GPF0/PS2CLK0/TMB0/CEC/5VT
85
GPF2/PS2CLK1/DTR0#/5VT
87
GPF4/PS2CLK2/5VT
89
GPF5/PS2DAT2/5VT
90
GPB0/RXD/SIN0/5VT
108
GPB1/TXD/SOUT0/5VT
109
GPB3/SMCLK0/5VT
110
GPB4/SMDAT0/5VT
111
GPF6/SMCLK2/PECI
117
GPB5/GA20
126
5VT/LPCPD#/GPE6
17
5VT/L80HLAT/BAO/GPE0
19
5VT/RTS1#/GPE5
35
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
TACH0A/GPD6
47
KSO11/ERR#
51
KSO12/SLCT
52
KSO13
53
KSO14
54
KSO15
55
KSI0/STB#
58
KSI1/AFD#
59
KSI2/INIT#
60
KSI3/SLIN#
61
KSI4
62
KSI5
63
KSI6
64
KSI7
65
5VT/SSCE1#/VCEN/TM/GPG0
106
5VT/( PD )DTR1#/SBUSY/ID7/GPG1
107
5VT/RING#/PWRFAIL#/CK32KOUT/LPCRST#/GPB7
112
TMRI0/GPC4
120
CTX0/TMA0/GPB2
123
TMRI1/GPC6
124
VBAT
3
VCC
11
VSTBY1
26
VSTBY2
50
AVCC
74
VSTBY3
92
VSTBY4
114
VSTBY5
121
VSTBY6
127
VSS1
1
VCO
R
E
12
VSS3
27
VSS4
49
AVSS
75
VSS5
91
VSS6
113
VSS7
122
GPF1/PS2DAT0/TMB1/5VT
86
GPF3/PS2DAT1/RTS0#/5VT
88
GPI0/ADC0
66
GPI1/ADC1
67
GPI3/ADC3
69
GPI4/ADC4
70
GPI7/ADC7/CTS1#
73
5VT/CTX1/SOUT1/DAT3/ID2/GPH2
95
5VT/FSCE#/GPG3
101
5VT/FMOSI/GPG4
102
5VT/FMISO/GPG5
103
5VT/FSCK/GPG7
105
5VT/DSR0#/GPG6
104
5VT/CLKRUN#/ID0/GPH0
93
5VT/CRX1/SIN1/SMCLK3/ID1/GPH1
94
GPE4/PWRSW
125
R319
*20mil_04
D29
BAV99 RECTIFIER
A
C
AC
R329
*10K_04
N74ID
C379
0.1u_16V_Y5V_04
R18
10K_04
W /O USB CHARGE
C413
0.1u_16V_Y5V_04
R296
47_04
C28
*0.1u_16V_Y5V_04
R30
20K_1%_04
C420
0.1u_16V_Y5V_04
R33
90.9K_1%_04
R290
10K_04
R32
47K_04
C380
0.1u_16V_Y5V_04
R306
10K_04
C398
0.1u_16V_Y5V_04
R335
10K_04
N75ID
R286
1.5K_04
PD3
ZD5231BS2
A
C
PQ3
BTN3904
B
E
C
C384
0.1u_16V_Y5V_04
R287
100K_04
GA20
80CLK
3IN1
SMC_BAT
SMD_BAT
BAT_DET
BAT_VOLT
MODEL_ID
CPU_FAN
AUTO_LOAD_PW R
DSW _POW ER
KBC_SPI_SO
KBC_SPI_SI
KBC_SPI_SCLK
BAT_DET
SMC_BAT
SMD_BAT
EC_RSMRST#
BAT_VOLT
AC_IN#
3G_POW ER_EN
DSW _POW ER
W LAN_PW R_EN
SMD_BAT
BAT_DET
SMC_BAT
KB-SO3
KB-SI1
KB-SO5
KB-SI2
KB-SI3
KB-SO8
KB-SI4
KB-SI6
KB-SO11
KB-SO4
KB-SI0
KB-SO15
KB-SO2
KB-SO14
KB-SO6
KB-SO7
KB-SO0
KB-SO10
KB-SO1
KB-SO12
KB-SI5
KB-SO13
KB-SO9
KB-SI7
CCD_EN
MODEL_ID
3G_DET#
PCH_SLP_W LAN#_R
H_PECI_R
RSMRST#
EC_RSMRST#
EC_RSMRST#
KBC_MUTE#
3IN1
80CLK
KBC_W RESET#
Sheet 26 of 41
KBC ITE IT8587
Schematic Diagrams
KBC ITE IT8587 B - 27
B.Schematic Diagrams
KBC ITE IT8587
Summary of Contents for N750BU
Page 1: ...N750BU ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer N750BU Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 44: ...Disassembly 2 20 2 Disassembly ...
Page 47: ...Top A 3 A Part Lists Top Figure A 1 Top ...
Page 48: ...A 4 Bottom A Part Lists Bottom Figure A 2 Bottom ...
Page 49: ...LCD A 5 A Part Lists LCD Figure A 3 LCD ...
Page 50: ...A 6 HDD A Part Lists HDD Figure A 4 HDD ...
Page 51: ...HDD Caddy A 7 A Part Lists HDD Caddy Figure A 5 HDD Caddy ...
Page 52: ...A 8 DVD A Part Lists DVD Figure A 6 DVD ...
Page 53: ...MB A 9 A Part Lists MB Figure A 7 HDD ...
Page 54: ...A 10 A Part Lists ...
Page 94: ...Schematic Diagrams B 40 B Schematic Diagrams ...