Service manual

Schematic Diagrams
KBC-ITE IT8512 B - 23
B.Schematic Diagrams
KBC-ITE IT8512
KB C_ AG ND
3.3VS
VD D3 KBC _AVDD
VD D3
VDD3
VD D3
VDD 3
VD D3
VD D3
VD D3
VDD3
VDD 3
KB C_ AG ND
VD D3
VD D3
VD D3
SPI_VDD
SMI # 1 4,15
SW I# 15
KBC _R STC# 1 3
PWR_BTN# 15
SCI # 1 4,15
GA20 13
TOTAL_CU R29
CH G_ CU RS EN29
LPC_AD 013
LPC_AD 113
LPC_AD 213
LPC_AD 313
CIR _RX36
AC/ BATL# 37
PCLK_KBC18
LPC _F RAM E#13
INT_ SER IRQ15
PLT_R ST#5,14,37
PM _TH RM #2,3,15
WLAN_PW R36
WLAN_EN24, 36
KBC_MUTE#26
BAT1_DET29
BA T1 _ VO LT29
CC D_D ET#18
SMC _BAT129
SMD _BAT129
SM C_THER M2,3
SM D_THER M2,3
KBC_BE EP25
LE D_ SC RO LL #24
LE D_ NU M#24
LE D_ CA P#24
LE D_BAT_ CH G#24
LE D_ BAT_ FUL L#24
LE D _ P W R #24
SLP_M#15,32,33
TP _ D A T A38
TP _ C L K38
TH ERM _RST#2
PW R _SW #33
LID _SW#28
BT_EN24, 28
BKL_ EN28
CC D_ EN 1 8
S U S B # 1 5, 21 , 3 4 , 3 8
S U S C # 1 5, 31
W LAN_D ET# 36
BT_D ET# 28
D D _O N 3 3, 34
RSM RS T# 1 5
CPU _ FANS EN 1 2
VGA1_ FAN SEN 37
CH G_ EN 2 9
SMC_THERM_VGA37
SMD_THERM_VGA37
WEB0#33, 38
WEB1#38
WEB2#38
C ASE_FAN15
CASE _F ANSE N 15
LED _AC IN #24
AC _IN #29
VDD 32, 3,4,13,23,24,29,33,34,37,38
3. 3V S2,3,5,9,12,13,14,15,16,19,20,21,23,24,25,28,30,33,35,37
CPU _TM P_SEN3
MC H_TMP_SEN4
PM_PW RO K 15, 28
VCORE _ON 35
PM_C LK RU N# 1 5
SUS_PW R_AC K 15
VG AFAN 1_O N37
LCD_BRIGHTNESS28
CPU_FAN12
MX M_ PW RO K 1 5 , 37
KB-S O8
KB-S O4
KB-S O6
KB-S I6
KB-S I7
KB-S I2
KB-S O1 2
KB-S O5
KB-S O1 3
KB-S O2
KB-S O1 5
Z2208
Z2209
KBC_RST#
KB C_SPI_SI
TOTAL_CUR_R
CH G_ CU RS EN_ R
KB C_ SPI_SI_R
CH G_ CU RS EN
KB C_SPI_SC LK
BAT1_VO LT_R
KB C_SPI_C E#
KB C_SPI_SO
TO T A L _C U R
BA T1 _DE T
SM D_BA T1
C HG _CU RSEN
SM C_BA T1
TO TA L_C UR
TH E R M _ R S T#
BAT1_D ET
SMD _BAT1
PCLK_KBC
Z2212
SMC _BAT1
Z2213
Z2214
KB C_ SPI_C E#_R
KB C_ SPI_SC LK _R
KB C_ SPI_SO _R
80C LK3I N 1
80PO R T_D ET#
WDT_EN
Z2211
Z2210
3I N 1
WDT_EN
SPI_VDD
KBC_AC /BATL#
CIR_IN
KBC _W R ESET#
KBC_SWI#
KBC_GA20
KBC_SMI#
KBC_SCI#
K BC_AC /BATL #
KB-S I0
KB-S I1
KB-S I3
KB-S I4
KB-S I5
KB-S O0
KB-S O1
KB-S O3
KB-S O7
KB-S O9
KB-S O1 0
KB-S O1 1
KB-S O1 4
K BC_ W R ESET#
KBC_GA20
CPU_FAN_R
V GAFAN 1_ ON _R
BAT1_VO LT
BA T1 _VO LT
BAT1_VOLT_R
CHG_CURSEN_R
TOTAL_CUR_R
MODEL_ID
BRIGHTNESS
80CLK
3IN 1
80PO RT_DET#
KBC _ SPI_CE #
KBC _ SPI_SI
KBC _ SPI_SO
KBC _ SPI_SC LK
WD T_E N
KBC _ SMI#
KBC _ SCI#
KBC_PWR_BTN#
KBC _ RST#
KBC _ SW I#
CIR_IN
KBC _ AC/B ATL#
Z2203
Z2204
Z2201
MO DE L _ ID
K BC_PW R _BTN#
80 C LK
3I N 1
80 P O R T _ D E T#
LID _SW#
Z2202
V GAFA N1_ON _R
BRIGHTNESS
CPU_F AN_R
KBC_SP I_S CLK_R
KB C_ SPI_SO _R
SPI_VDD
KB C_ SPI_C E#_R
KBC_SP I_S I_R
C248
0.1u_16V_04
C 861 1u_10V_06
R 143 120K_04
C 197 1u_10V_06
R 148 10K_04
C195 1u_10V_06
Q2 5
2N 7 0 0 2
G
DS
D10 *SCS751V-40
AC
C737
*10P_50V_04
C867 *0.1u_16V_04
J_SPI2
* S PN Z -0 8S 3-B -C-0 -P
1 2
3 4
5 6
7 8
R593 4.7K_04
C355 0.1u_16V _04
C191
*1u_10V_06
C2 7 9
12p_50V_04
R146 100_04
D21 1SS355
AC
X6
32 . 7 6 8 K H z
1 4
32
R 586 15_1% _04
R 553 * 10_04
NC1 NC_04
C 304 0.1u_16V_04
D17 *SCS751V-40
AC
R 5 2 5 * 1 0K _0 4
D16 SCS751V-40
AC
R 218 10K_04
D8
BAV99
A
C
AC
C 715 0.1u_16V_04
C1 9 9
*1u_10V_06
R181 10K_04
R 189 120K_04
C298
1u_10V _06
D11 *SCS751V-40
AC
S20
SH OR T_0.5MM
2 1
R536 10K_04
D19 *SCS751V-40
AC
R147 10K_04
C 211 0.1u_16V_04
R145 100_04
K/B MATRIX
FLASH
LPC
SMBUS
PS/2
PW M
UART
DA C
CLOCK
IT8512E
CIR
AD C
WAKE UP
PWM/COUNTER
LPC/WAKE UP
EXT GPIO
GP INTERRUPT
WAKE UP
GPIO
U6
IT851 2 E/EX
14
13
10
9
8
7
6
17
5
15
23
126
4
58
59
60
61
62
63
64
65
36
37
38
39
40
41
42
43
44
45
46
51
52
53
54
55
11 26 50 92 114 127 12 1 3 74
85
86
87
120
124
22
35
125
18
21
112
109
108
123
88
89
90
47
48
24
25
28
29
30
31
32
34
66
67
68
69
70
71
72
73
1 12 27 49 122 113 75
2
128
79
78
77
76
83
84
82
33
20
91
81
80
16
119
56
57
93
94
95
96
97
98
99
107
110
111
115
116
117
118
100
101
102
103
104
105
106
19
WR ST#
LPCC LK
LAD0
LAD1
LAD2
LAD3
LFRAME#
( PD )L PCPD #/WU I6/ GPE6
SER IRQ
ECS MI#/G PD4( PU )
ECS CI#/G PD3( PU )
GA20 /G PB5
KBR ST#/G PB6( PU )
KSI0 /STB#
KS I1/ AFD#
KSI2 /INI T#
KSI3 /SL IN#
KSI4
KSI5
KSI6
KSI7
KSO 0/PD0
KSO 1/PD1
KSO 2/PD2
KSO 3/PD3
KSO 4/PD4
KSO 5/PD5
KSO 6/PD6
KSO 7/PD7
KSO 8/ ACK#
KSO 9/BUS Y
KS O10/PE
KSO11 /ER R#
KSO12/SLCT
KSO 13
KSO 14
KSO 15
VCC
VSTBY VST BY VSTBY VS TBY VSTBY VSTBY
VBA T AVCC
PS2CLK0/G PF0( PU )
PS2DA T0/G PF1 ( PU )
PS2CLK1/G PF2( PU )
( PD )TM R I0/W UI2 /G PC4
( PD )TM R I1/W UI3 /G PC6
LPCR ST#/WUI4/G PD2( P U )
( PD )WU I5/ GPE5
PW R SW /G PE4 ( PU )
RI1 # /W U I0/GPD 0 ( PU )
RI2 # /W U I1/GPD 1 ( PU )
( P D )R ING #/PW R F AIL #/LPCR ST #/ GPB7
TXD /GP B1 ( PU )
RXD /GPB 0( P U )
( PD )C TX/ GPB2
PS2DA T1/G PF3 ( PU )
PS2CLK2/G PF4( PU )
PS2DA T2/G PF5 ( PU )
( P D )TAC H0/G PD6
( P D )TAC H1/G PD7
PW M 0/ GPA0( PU )
PW M 1/ GPA1( PU )
PW M 2/ GPA2( PU )
PW M 3/ GPA3( PU )
PW M 4/ GPA4( PU )
PW M 5/ GPA5( PU )
PW M 6/ GPA6( PU )
PW M 7/ GPA7( PU )
ADC 0/GP I0
ADC 1/GP I1
ADC 2/GP I2
ADC 3/GP I3
ADC 4/GP I4
ADC 5/GP I5
ADC 6/GP I6
ADC 7/GP I7
VSS VSS VSS VS S VSS VSS AVS S
CK3 2KE
CK32K
DAC 3 /GP J3
DAC 2 /GP J2
DAC 1 /GP J1
DAC 0 /GP J0
( P D )EG CS #/ GPE2
( P D )EG CLK/ GPE3
( PD )EG AD/ GPE1
GIN T/GPD 5( PU )
L80L L AT/GPE 7( PU )
VSS
DAC 5 /GP J5
DAC 4 /GP J4
PW U REQ # /GPC 7 ( PU )
( P D )C RX/G P C0
( PD )K S O1 6 /G PC3
( PD )K S O1 7 /G PC5
( PD )ID0 /G P H 0
( PD )ID1 /G P H 1
( PD )ID2 /G P H 2
( PD )ID3 /G P H 3
( PD )ID4 /G P H 4
( PD )ID5 /G P H 5
( PD )ID6 /G P H 6
( PD )ID7 /G P G1
SMC LK0 /GPB 3
SMD AT0 /GPB 4
SMC LK1 /GPC 1
SMD AT1 /GPC 2
SMC LK2/GPF 6( PU )
SMD AT2 /GPF 7( PU )
FLFRA ME#/G PG2
FLAD 0/ SCE#
FLAD1/SI
FLAD 2/S O
FLAD3/G PG6
FLCLK/SC K
( PD )FL RST # /W U I7/TM/G PG0
( PD )L 80 H LA T/ GP E 0
R205
100K_04
R 542 120K_04
R475 *0_04
C257
0.1u_16V_04
R144 100_04
C71 4
0.1u_16V_04
C 7 67 * 3 3p _ 5 0V _0 4
D5
BAV99
A
C
AC
D7
BAV99
A
C
AC
C307
0.1u_16V_04
C763 *33p_50V_04
U9
A AT3510IGV-2.93-C -C-T1
3
5
2
1
4
MR #
VCC
GN D
RESET#
WD I
R 707 0_04
D6
BAV99
A
C
AC
R2 1 0K_ 0 4
R 312 10K_04
R 583 47_04
C299
10U _10V _08
J_KB1
85202-24051
24
23
22
14
12
11
21
8
20
19
6
5
18
4
17
10
9
7
3
2
1
16
15
13
J_80DEBU G1
* 85204-05001
1
2
3
4
5
C6
* 0.01u_50V _04
J _H8 DB G1
*SP UFZ-10S3-VB-0-B
12
34
56
78
910
R 590 47_04
R169 4.7K_04
R194 *0_04
U1
TLE_4917D S
1
2
3
46
5
VS
GND
Q
GNDPR G
GND
D 9 *S CS751V-40
AC
R 574 15_1% _04
U11
SST25V F016B
1
2
3
4
5
6
7
8
CE#
SO
WP#
VS S
SI
SC K
HO LD #
VDD
R 4 76 * 0 _0 4
C27 8
12p_50V_04
C212
0.1u_16V_04
C196 1u_10V _06
R18 4 * 1 00K_0 4
R57 3 1 K_0 4
R216
10K_04
C764 *33p_50V_04 C 766 * 33p_50V_04
C860
0. 1u_16V _04
PJ4
40mil
12
L1 1
F CM 1608K-121T06
D4
BAV99
A
C
AC
D12
BAV99
A
C
AC
C749
0. 1u_16V _04
D18 *SCS751V-40
AC
R 204 10M_04
R167 4.7K_04
1
J_KB1
24
???
SPI_SI_R = 0.1"~0.5"
2
10
1
9
J_H8DBG1
M570U connector
With
High
MODEL_ID CASE_FAN
Without
Low
EVT
2007/12/15
3/15_Cost down
3/15_Cost down
3/12_cost down
08/4/9_Alex
08/4/8_Alex
Sheet 22 of 42
KBC-ITE IT8512