Schematic Diagrams
B - 28 KBC-ITE IT8518
B.Schematic Diagrams
KBC-ITE IT8518
C211
0.1u_16V_Y 5V_04
W25EU
R759
*10mil_04
USB_CHR_DET
R328
*0_04
Voltage
W250EU
VDD3
WEB_EMAIL#
30
AP_KEY#
30
KB-SO15
RN11
2.2K_8P4R_04
8
1
7
2
6
5
3
4
KB-SI3
KB-SI1
KB-SO11
KB-SO6
KB-SI7
KB-SO15
KB-SO5
KB-SO4
KB-SO7
KB-SO0
KB-SI0
KB-SO13
KB-SI2
KB-SO2
KB-SO3
KB-SO8
KB-SO10
NC2
*NC_04
KB-SO14
KB-SO9
KB-SO12
KB-SI4
KB-SO1
KB-SI5
KB-SI6
CCD_DET#
EC_VCC
BAT_DET
J_KB1
*85208-24051
24
23
22
14
12
11
21
8
20
19
6
5
18
4
17
10
9
7
3
2
1
16
15
13
KBC_AVDD
VDD3
VDD3
80CLK
J_80DEBUG1
88266-05001
1
2
3
4
5
VDD3
3.3VS
VDD3
80DET#
80DET#
3IN1
LED_ACIN
28
KBC_MUTE#
29
RN10
10K_8P4R_04
8
1
7
2
6
5
3
4
BAT_VOLT
38
SCI#
18
SMI#
18
3.3VS
3,9,10,11,12,13,14,15,16,17,18,19,20,23,24,25,28,29,30,31,36
CPU_FANSEN 30
VDD3
13,22,23,24,26,30,31,32,38
SUSB#
6,15,31
SUSC#
15,33
ALL_SY S_PWRGD 11,15,36
CCD_DET#
23
LID_SW#
11,30
PWR_BTN#
15
THERM_VOLT
2
R293
*10K_04
BT_EN
22,28
R292
10K_04
VDD3
KBC_SPI_SCLK
KB-SO11
SPI_CS#
KB-SO6
KB-SI7
KB-SI0
KB-SI3
KB-SI1
KB-SO4
KB-SO7
KB-SO0
KB-SO5
KB-SO8
KB-SO10
KB-SO2
KBC_SPI_SO
KB-SO3
KB-SI2
KBC_SPI_SI
KB-SI4
KB-SO1
KB-SO13
KB-SO12
W/O USB CHARGER: Low (Default)
KB-SI5
KB-SI6
KB-SO14
KB-SO9
KBC_SPI_CE#
R770
*10K_04
CK32K
LCD_BRIGHTNESS
R758
*10mil_04
K/B MATRIX
FLASH
LPC
SMBUS
PS/2
PWM
UART
DAC
CLOCK
IT8518
CIR
ADC
WAKE UP
PWM/COUNTER
LPC/WAKE UP
EXT GPIO
GP INTERRUPT
WAKE UP
GPIO
U23
IT8518E/HX
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
VS
T
B
Y
26
VS
T
B
Y
50
VS
T
B
Y
92
VS
T
B
Y
11
4
VS
T
B
Y
12
7
VS
T
B
Y
12
1
VBA
T
3
AV
C
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
VS
S
1
VSS
12
VSS
27
VS
S
49
VSS
12
2
VS
S
11
3
AVS
S
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
VS
S
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
LOW ACTIVE
3G_PWR_EN 23
CK32KE
.
L21
HCB1005KF-121T20
MODEL_ID
X
RB
W243EU
RA
3G_DET#
10K
80CLK
RB
RA
.
L19
HCB1005KF-121T20
BAT_VOLT
EC_VSS
PCLK_KBC
LCD_BRIGHTNESS
KBC_WRESET#
SMD_BAT
MODEL_ID
R299
100K_04
C252
0.1u_16V_Y 5V_04
SMC_BAT
HIGH ACTIVE
CCD_DET#
BAT_DET
3G_EN
23
J_KB2
85208-24051
24
23
22
14
12
11
21
8
20
19
6
5
18
4
17
10
9
7
3
2
1
16
15
13
KBC_SPI_SI_R
KBC_HOLD#
KBC_SPI_CE#_R
R331
*10mil_04
VDD3
KBC_FLASH
KBC_SPI_SCLK_R
U31
MX25L3206E
PCB Footprint = ACA-SPI-004-T03
CE#
1
SO
2
WP#
3
VSS
4
SI
5
SCK
6
HOLD#
7
VDD
8
Co-lay SPI ROM
KBC_SPI_SO_R
½ÐEC Pin 78
³]¸m¬°HI enable
ME_WE
13
KBC_AGND
SMD_BAT
R333
*10mil_04
KBC_AGND
SMC_BAT
SWI#
15
KBC_RST# 18
DD_ON
30,31,32
CCD_EN
23
RSMRST# 15
It will be removed after PVT phase
3IN1
22
80CLK
22
BKL_EN
11
WLAN_DET#
22
LPC_AD0
13,23
TP_DATA
30
LPC_AD1
13,23
LPC_AD2
13,23
SERIRQ
13,23
BUF_PLT_RST#
17,22,24,26
LPC_FRAME#
13,23
SMD_BAT
38
SMC_BAT
38
SMD_CPU_THERM
14,23
TP_CLK
30
LPC_AD3
13,23
3G_DET#
23
PWR_SW#
31
PCLK_KBC
17
H_PECI
3,18
AC_IN#
38
SMC_CPU_THERM
14,23
10K
LED_PWR
28
BRIGHTNESS
11
BAT_DET
38
LED_CAP#
28
LED_BAT_FULL
28
LED_NUM#
28
W24EU/W27EU
WLAN_EN
22,28
CPU_FAN
30
LED_BAT_CHG
28
C264
0.1u_16V_Y5V_04
SPI_SCLK_R 13
KBC_BEEP
29
GA20
18
R772
33_04
R288
*10mil_04
BT_DET#
22
TOTAL_CUR
38
KBC_WRESET#
LED_SCROLL#
28
AP_KEY #
MODEL_ID
WEB_WWW#
30
R774
33_04
SPI_SI_R 13
C238
0.1u_16V_Y5V_04
W270EU
R336
*0_04
SPI_SO_R 13
R773
33_04
Share ROM ¥Î¦¹®Æ
X
R335
*0_04
R771
10K_04
KBC_SPI_CE#
KBC_HOLD#
KBC_SPI_SCLK
KBC_SPI_CE#
C303 *33p_50V_NPO_04
W240EU
C284 *33p_50V_NPO_04
KBC_SPI_SCLK
KBC_SPI_SO
C290 *33p_50V_NPO_04
KBC_SPI_SI
C297 *33p_50V_NPO_04
8Mbit
VDD3
KBC_FLASH
R360 1K_04
R346 4.7K_04
U30
*SST25VF080B SO8
CE#
1
SO
2
WP#
3
VSS
4
SI
5
SCK
6
HOLD#
7
VDD
8
KBC_SPI_SO
KBC_SPI_SI
KBC_SPI_SI_R
KBC_SPI_SO_R
Dual ROM (4M+2M)
KBC_SPI_*_R = 0.1"~0.5"
KBC_SPI_SCLK_R
KBC_SPI_CE#_R
C288
0.1u_16V_Y 5V_04
Single ROM
WLAN_POWER_EN
22
PME#
17
USB_CHR_DET
3.3V
PMPCH_PWROK_R
R300
*0_04
AC_PRESENT
15,17
1
J_KB1
LAN_PCIE_WAKE# 24
24
C256
0.1u_16V_Y5V_04
3.3V
2.18V
C234
0.1u_16V_Y 5V_04
10K
R606
43_1%_04
5.1K
H_PROCHOT_EC 3
10K
C266
10u_10V_Y 5V_08
U50
*74AHC1G08GW
1
2
5
4
3
PM_PCH_PWROK 15
R330
0_04
C250
0.1u_16V_Y 5V_04
10K
W/ USB CHARGER: High
R303
*0_04
PM_PCH_PWROK
15
R366
*10mil_04
R342
*10mil_04
R355
*10mil_04
R359
*10mil_04
3.3V
2,3,6,11,13,14,15,17,18,19,20,22,23,26,28,31,33,34,35
3G_DET#
PMPCH_PWROK_R
VDD3
BIOS + EC ROM
C233
*0.1u_16V_Y5V_04
AP_KEY#
EC_RESET 38
USB_CHARGE_EN 31,32
PME#_R
VCORE_ON 36
C222
0.1u_16V_Y 5V_04
R353
10K_04
SUSB#
R761
*10mil_04
PCLK_KBC
R793
0_04
C258
0.1u_16V_Y 5V_04
SPI_CS#
PCLK_KBC_R
R792
*0_04
R312
*10_04
SPI_CS0#_R
13
BAT_VOLT
C246
*10p_50V_NPO_04
C217
1u_6.3V_X5R_04
SPI_CS1#_R
13
AC_IN#
SUS_PWR_ACK 15
R326
*0_04
NB_ENAVDD 11,16
C232
*0.1u_16V_Y5V_04
0V
R760
*10mil_04
1.65V
Sheet 27 of 43
KBC-ITE IT8518
Summary of Contents for W241EUQ
Page 1: ...W241EUQ W244EUQ W245EUQ W249EUQ ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer W241EUQ W244EUQ W245EUQ W249EUQ Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 40: ...Disassembly 2 16 2 Disassembly ...
Page 43: ...Part Lists Top W241EUQ A 3 A Part Lists Top W241EUQ 灰色 尚盟 黑色 非耐落 度 黑色 Figure A 1 Top W241EUQ ...
Page 45: ...Part Lists Top W244EUQ A 5 A Part Lists Top W244EUQ 灰色 Figure A 3 Top W244EUQ ...
Page 49: ...Part Lists Bottom 3G W244EUQ A 9 A Part Lists Bottom 3G W244EUQ Figure A 7 Bottom 3G W244EUQ ...
Page 51: ...Part Lists Bottom W249EUQ A 11 A Part Lists Bottom W249EUQ Figure A 9 Bottom W249EUQ ...
Page 52: ...Part Lists A 12 LCD W241EUQ A Part Lists LCD W241EUQ 銘板 精乘 精乘 Figure A 10 LCD W241EUQ ...
Page 53: ...Part Lists LCD W245EUQ A 13 A Part Lists LCD W245EUQ 銘板 精乘 精乘 Figure A 11 LCD W245EUQ ...
Page 54: ...Part Lists A 14 LCD W244EUQ A Part Lists LCD W244EUQ Figure A 12 LCD W244EUQ ...
Page 55: ...Part Lists LCD W249EUQ A 15 A Part Lists LCD W249EUQ 銘板 Figure A 13 LCD W249EUQ ...
Page 57: ...Part Lists SATA DVD W244EUQ A 17 A Part Lists SATA DVD W244EUQ Figure A 15 SATA DVD W244EUQ ...
Page 59: ...Part Lists Combo W244EUQ A 19 A Part Lists Combo W244EUQ Figure A 17 Combo W244EUQ ...
Page 60: ...Part Lists A 20 A Part Lists ...
Page 107: ...www s manuals com ...