Schematic Diagrams
B - 38 KBC-ITE IT8502E
B.Schematic Diagrams
KBC-ITE IT8502E
BAT_VOLT
W760CX
0V
R X
LED _CTRL
KB-SO1 5
KB-SO7
KB-SO1 3
KB-SI0
KB-SI1
KB-SO9
KB-SI6
KB-SI4
KB-SO2
KB-SI3
KB-SO1 1
KB-SO8
KB-SO6
KB-SO1 4
KB-SI7
KB-SO1 2
KB-SO4
KB-SO1
KB-SO1 0
KB-SO5
KB-SI2
KB-SO3
KB-SI5
KB-SO0
MC H_TSATN_EC
0_0 4 f or M760 T/TU
BKP 100 5HS121_ 04 for M7 40T/TU
EMI So lution
VC HG-SEL
46
3G _D ET#
FOR
M740T
EC _VC C
PC LK _KB C
C 576
1U_6.3V_04
R 215
*0 _04
TH ER M_VOLT
3
SMC_C PU _TH ERM
KB- SO1
KB- SO8
KB- SO15
KB- SO4
KB- SI0
KB- SO7
KB- SO10
KB- SO6
KB- SO14
KB- SO0
KB- SI3
KB- SI6
KB- SI1
KB- SI7
KB- SO11
KB- SI2
08 31
KB- SI5
KB- SO12
KB- SO5
KB- SO9
KB- SI4
KB- SO13
KB- SO2
KB- SO3
ME_W E#
21
R1 71
* 10K_04
C 275
0 .1u_ 16V_Y5 V_04
R20 8
15_1 %_04
BAT_D ET
X2
1TJ S125DJ 4A42 0P_ 32.7 68K Hz
1
4
3
2
SMC_B AT
SMD_B AT
K/B MATRIX
FLASH
LPC
SMBUS
PS/2
PWM
UART
DAC
CLOCK
IT8502E
CIR
ADC
WAKE UP
PWM/COUNTER
LPC/WAKE UP
EXT GPIO
GP INTERRUPT
WAKE UP
GPIO
U 12
I T850 2E
WR ST#
14
LPC CLK
13
LAD 0
10
LAD 1
9
LAD 2
8
LAD 3
7
LFR AME #
6
( PD ) LPC PD# /WU I6/ GPE6
17
SER IRQ
5
ECSMI#/GPD4( PU )
15
ECSCI#/GPD3( PU )
23
GA2 0/G PB5
126
KBR ST# /GPB6( PU )
4
KSI0/ STB#
58
KSI1/ AFD #
59
KSI2/ INIT#
60
KSI3/SLIN #
61
KSI 4
62
KSI 5
63
KSI 6
64
KSI 7
65
KSO0 /PD 0
36
KSO1 /PD 1
37
KSO2 /PD 2
38
KSO3 /PD 3
39
KSO4 /PD 4
40
KSO5 /PD 5
41
KSO6 /PD 6
42
KSO7 /PD 7
43
KSO8/ ACK#
44
KSO9/BUSY
45
KSO1 0/PE
46
KSO 11/E RR #
51
KSO 12/ SLC T
52
KSO13
53
KSO14
54
KSO15
55
VC
C
11
VS
T
BY
26
VST
BY
50
VS
T
B
Y
92
VST
BY
11
4
VS
T
BY
12
7
VS
T
B
Y
121
VBA
T
3
AV
C
C
74
PS2CLK0/G PF0 ( PU )
85
PS2DAT0/G PF1 ( PU )
86
PS2CLK1/G PF2 ( PU )
87
( PD )TMRI0 /WU I2/G PC 4
120
( PD )TMRI1 /WU I3/G PC 6
124
LPC RST#/W UI4/GPD2( PU )
22
( PD )WU I5/ GPE5
35
PW RSW /GPE4( PU )
125
RI1#/W UI0/ GPD 0( PU )
18
RI2#/W UI1/ GPD 1( PU )
21
( PD )R ING#/PW RF AIL# /LPCRST#/ GPB7
112
TXD /GPB1( PU )
109
RXD /GPB0( PU )
108
( PD )C TX/ GPB2
123
PS2DAT1/G PF3 ( PU )
88
PS2CLK2/G PF4 ( PU )
89
PS2DAT2/G PF5 ( PU )
90
( PD )TAC H0/G PD 6
47
( PD )TAC H1/G PD 7
48
PW M0/G PA0( PU )
24
PW M1/G PA1( PU )
25
PW M2/G PA2( PU )
28
PW M3/G PA3( PU )
29
PW M4/G PA4( PU )
30
PW M5/G PA5( PU )
31
PW M6/G PA6( PU )
32
PW M7/G PA7( PU )
34
ADC 0/G PI0
66
ADC 1/G PI1
67
ADC 2/G PI2
68
ADC 3/G PI3
69
ADC 4/G PI4
70
ADC 5/G PI5
71
ADC 6/G PI6
72
ADC 7/G PI7
73
VS
S
1
VSS
12
VS
S
27
VSS
49
VSS
12
2
VS
S
11
3
AVS
S
75
CK32KE
2
C K32 K
128
DAC 3/G PJ3
79
DAC 2/G PJ2
78
DAC 1/G PJ1
77
DAC 0/G PJ0
76
( PD )EGC S#/ GPE2
83
( PD )EGC LK/ GPE3
84
( PD )EG AD/ GPE1
82
GIN T/GPD5 ( PU )
33
L80LLAT/GPE7( PU )
20
VS
S
91
DAC 5/G PJ5
81
DAC 4/G PJ4
80
PW UREQ#/ GPC 7( PU )
16
( PD )C RX/G PC 0
119
( P D ) KSO 16/G PC 3
56
( P D ) KSO 17/G PC 5
57
( PD )I D0/G PH 0
93
( PD )I D1/G PH 1
94
( PD )I D2/G PH 2
95
( PD )I D3/G PH 3
96
( PD )I D4/G PH 4
97
( PD )I D5/G PH 5
98
( PD )I D6/G PH 6
99
( PD )I D7/G PG1
107
SMC LK0 /GPB3
110
SMD AT0 /GPB4
111
SMC LK1 /GPC1
115
SMD AT1 /GPC2
116
SMC LK2 /GPF6( PU )
117
SMD AT2 /GPF7( PU )
118
F LFR AME#/G PG2
100
FLAD0/ SCE#
101
FLAD1/SI
102
F LAD 2/SO
103
FLAD3/G PG6
104
FL CLK/SC K
105
( PD )FLR ST#/W UI7/ TM/G PG0
106
( PD )L8 0HL AT/ GPE0
19
C 277
12p_50V_ NPO_04
U 16
EN25 P05- 50G CP
CE#
1
SO
2
W P#
3
VSS
4
SI
5
SC K
6
H OL D#
7
VDD
8
R 173
1 0K_ 04
R 183
4 .7K_04
C5 56
1u _10V_06
R20 7
15_1 %_04
0_04 FO R I T8512CX /EX
0.1U_04 FO R ITE85 12-J(IT E85 02-J W /0 CIR)
EC Cost Do wn
C264
0.1u _16 V_Y 5V_ 04
D3
BAV99 RE CTI FIER
A
C
AC
R 194
*10 M_0 4
C568
.1U_ 16V_04
J_ KB2
* 852 01-2 4051
24
23
22
14
12
11
21
8
20
19
6
5
18
4
17
10
9
7
3
2
1
16
15
13
NC 1
SHORT
C 315
0. 1u_16V_ Y5V_04
C 559
. 1U_ 16V_04
D4
BAV99 RE CTI FIER
A
C
AC
D24
BAV99 RE CTI FIER
A
C
AC
C278
12p _50 V_N PO_ 04
R43 8
*1 0_04
C282
0.1u_16V_Y 5V_04
R20 5
47_0 4
C24 1
*.1U _16 V_04
C 268
1 0U_ 10V_08
R20 6
47_0 4
KBC _SPI_S O_R
KBC _SPI_S CLK_R
KBC_ HOL D#
C 276
*.1 U_1 6V_04
.
L2 8
HC B1005KF-121T2 0
SPI_VDD _1
.
L23
HCB100 5KF -121 T20
? ? ?
512Kbit
C26 6
*.1U _16 V_0 4
KBC_ FLASH
R4 30
10 0K_ 04
KBC _SP I_SC LK
KBC _SP I_SO
KBC _SPI_C E#_ R
KBC _SPI_S I_R
KBC _SP I_SI
KBC _SP I_CE#
J_KB1
85201-240 51
24
23
22
14
12
11
21
8
20
19
6
5
18
4
17
10
9
7
3
2
1
16
15
13
R 162
100_0 4
R 185
4 .7K_04
R198
*0 _04
R21 1
4.7K_04
R 164
10K_04
BAT_VOLT
NC2
SHORT
C 242
1 u_10V_0 6
R1 63
10K_ 04
C 577
*10P_5 0V_04
C 578
.1U_16V_ 04
R 172
10K_04
R20 9
1K_ 04
D23
BAV99 RE CTI FIER
A
C
AC
C 246
0 .1u_16V_Y5 V_04
KBC_AVDD
VDD3
VDD 3
VD D3
VD D3
KBC _AG ND
KBC_ AGND
VD D3
VDD 3
3.3VS
SCI#
26
D D_O N
38 ,39
VD D3
SWI#
23
SMI#
26
KBC_ RST# 2 6
VCOR E_ON 44
C HG_ EN
46
PWR_ BTN # 2 3
3G _EN
31
C CD_ EN
32
R SMR ST# 23
3.3VS
2,10 ,11, 12,1 3,14,21, 22,23,25 ,26, 27,2 8,30,31,32,33,34,36 ,38, 44,4 5,47
C PU_ FAN SEN 32
VDD 3
21,3 0,34,38, 39,46
ALL_SYS_PW RGD 1 2,23
BT_D ET#
30 ,34
W LAN _DET# 30
BR IGH TNESS
12
SUSB#
23 ,30, 40
SUSC #
23 ,41
SUS_ PWR _ACK 23
LED_CTR L 3 2
AC_PRES ENT 23 ,25
BAT_VOLT
4 6
BAT_D ET
3 9,46
WEB_W WW #
34
AP_KEY#
38
TH ER M_ALER T#
3
D D_O N_L ATC H 38
TP_DATA
32
WEB_EMAI L#
34
C CD _DET#
32
LI D_SW#
12, 34
SERIR Q
21, 31
LPC_AD0
21, 31
SMD_BAT
46
SMC_BAT
46
LPC_AD1
21, 31
LPC_AD2
21, 31
LED_PWR #
34
TP_C LK
32
LPC_AD3
21, 31
LPC _FR AME#
21 ,31
LED _BAT_C HG #
34
L ED_CAP#
34
LED _BAT_F ULL #
34
LED_N UM#
34
BUF_ PLT_RST#
4,25, 30,33
KBC_MUTE#
36
BEEP
36
LED_ SCR OLL#
3 4
3G_DET#
31
PWR _SW#
38
PCLK_KBC
25
CPU_F AN
32
AC_I N#
46
L ED_ACI N#
34
BKL_EN
12
BT_EN
30, 34
PME#
25
W LAN _EN
30,3 4
80C LK
30
EC_VGA_AL ERT#
14, 20
GA20
26
80DET#
30
3IN 1
30
PC LK_KBC _R
3G _DET#
W LAN _PW R
BAT_VOLT_R
LAN_C ABLE_ DETECT
FOR
M760T/B5120
L AN_CABLE_DETEC T
80 DET#
BAT_VOLT_R
PC LK_ KBC
KBC_W RESET#
CU R_SEN SE_R
LC D_BRIGHTN ESS
KBC_BEEP
3IN 1
LOW ACTIVE
SMD_BAT
MO DEL_ID
80 CLK
SMC_BAT
CC D_DET#
BAT_D ET
EC MODULE CHOOSE (FOR DIFFERENCE K/B TYPE)
C CD_DET#
KBC_SPI_*_R = 0.1"~0.5"
KBC _SP I_C E#
R820
*10 mil_ sho rt
LC D_BRIG HTN ESS
CTX0
KBC _SP I_SI
KBC _SP I_SO
CK3 2K
CK3 2KE
KBC _SP I_SCLK
3G_POW ER
31
MO DEL_ID
H_PEC I
4 ,26
1
MODEL _ID
3. 3V
V1.0
M770CX
R 163 10K/ R 17 1 X
VER.
V OLTAGE
J_K B1
R 163 X /R17 1 10K
SMC _CPU_THERM
22
SMD _CPU_THERM
22
SMD_C PU _TH ERM
SMC_C PU _TH ERM
SMD _VGA_THERM
20
SMC _VGA_THERM
20
SMD_VGA_TH ERM
SMC_VGA_TH ERM
R 340
10K_04
24
VDD 3
80 DET#
80 CLK
J_ 80D EBU G1
88 266- 050 01
1
2
3
4
5
3IN 1
EC _VSS
RX
KBC_ WRESE T#
? ? BAT ?
Sheet 37 of 56
KBC-ITE IT8502E
Содержание B5120
Страница 1: ......
Страница 2: ......
Страница 3: ...Preface I Preface Notebook Computer B5120 B5125 Service Manual...
Страница 24: ...Introduction 1 12 Mainboard Overview Bottom Connectors 1 Introduction...
Страница 44: ...Disassembly 2 20 Removing the Modem 2 Disassembly...
Страница 51: ...Part Lists BOTTOM A 7 A Part Lists BOTTOM Figure A 5 BOTTOM...
Страница 52: ...Part Lists A 8 LCD A Part Lists LCD Figure A 6 LCD...
Страница 53: ...Part Lists SATA DVD SUPER MULTI A 9 A Part Lists SATA DVD SUPER MULTI Figure A 7 SATA DVD SUPER MULTI...
Страница 54: ...Part Lists A 10 SATA DVD SUPER MULTI A Part Lists...
Страница 112: ...Schematic Diagrams B 58 MULTI FUNCTION BOARD B Schematic Diagrams...