Service manual

Schematic Diagrams
B-29
Schematic Diags
KBC H8
Sheet 28 of 39
KBC H8
VDD3
3VH8
VDD3
VDD3
VDD5
VCC5
VDD3
VDD3
VDD3
VCC3S
VDD5
VDD5
VDD3
VDD3
VDD3
H8VDD3
VDD3
VCC5
H8VDD3
VDD3
VDD3
VDD3
VDD3
VDD3
VDD3
VDD3
VDD3
PWRBTN#
LEDAT/WATCH
EXTSMI#
SCI#
GATERST#
TP_DATA
PS2_DATA2
PS2_CLK1
PS2_DATA1
TP_CLK PS2_CLK2
KB-SO8
KB-SO9
KB-SO10
KB-CTL0
KB-CTL2
KB-SI7
KB-SI2
KB-SI6
KB-SO11
KB-SI3
KB-SI0
KB-SO12
KB-SO3
KB-SO13
KB-SO4
KB-SO5
KB-SO6
KB-SO7
KB-SI4
KB-SO14
KB-SO15
KB-SI5
KB-SI1
KB-CTL1
CIR_RX
MD1
PS2_CLK2
SUSC#
80CLK
KB-SO6
KB-SI2
LAD3
KB-SO10
KB-SO5
SERIRQ
H8_CURSEN
CHG_PWM
FAN1-ON
KB-SI1
LFRAME#
ACIN_LED
BRIGADJ
SCI#
TP_DATA
PWRSW#
H8_RESET#
TOTAL_CUR
MODEL_ID
KB-SI6
KB-SI5
EN_CIR
KB-SO4
GND
PME#
BOOT_FLASH
PS2_CLK1
SUSB#
KB-SO11
KB-SO7
KB-SI7
KB_GA20
EXT_GPI
KB-SI0
EXTSMI#
KB-CTL1
PCLK_H8
TP_CLK
PS2_DATA1
PS2_DATA2
BTPWR_EN
KB-SO3
KB-SI4
DD_ON
LAD2
KB-SO15
KB-SO8
SWI#
KB-SO12
KB-SO9
KB-CTL2
80DATA
KB-SI3
FAN1#
H8BEEP
EN_CIR
KB-SO14
KB-SO13
KB-CTL0
LAD1
LAD0
ACIN#
FAN3#
FAN2#
GATE_LID_SW#
WLPWR_EN
KB-CTL0
WLAN_DET#
BT_DET#
WEB_1#
LID_SW#
ATF_INT#
80PORT_DET#
KB-CTL2
WEB_2#
KB-CTL1
EXT_GPI
LEDCLK
LEDAT/WATCH
WEB_0#
H8_CURSEN
80PORT_DET#
WEB_0#
WEB_1#
WEB_2#
MODEL_ID
PS2_CLK2
PS2_DATA2
PS2_CLK1
PS2_DATA1
LEDAT/WATCH
H8_RESET#
KB-SI4
KB-SI2
KB-SI1
KB-SI0
KB-SI7
KB-SI6
KB-SI3 KB-SI5
H8_BATVOLT
H8_BATVOLT
BATTEMP
R236
100K(R)
T200
R729 100(0805)
C908
4.7U(0805)
R643
10K
R604
0
U26
MAX809_SOT23
3
1
2
VCC
GND
RESET#
R598 10K
R582
10K
JKB1
SFW-24S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
L1 BK2125HS121
R635
10K
C909
0.1U
R611 10K
R606 10K
C782
4.7U(0805)
C786
22P
R235
100K
C420
47P
U25
H8S/2149 LPC
5
6
14
13
12
38
39
40
41
42
43
44
45
52
53
54
93
94
95
96
97
98
99
82
83
84
85
86
87
88
89
1
100
7
8
91
90
81
80
69
68
58
57
46
92
71
70
15
37
36
4
59
9
26
27
28
29
32
33
34
35
79
78
77
76
75
74
73
72
67
66
65
64
63
62
61
60
25
24
23
22
19
18
17
16
49
50
51
55
56
2
3
48
47
31
30
21
20
11
10
MD1
MD0
P50/TxD0
P51/RxD0
P52/SCK0/SCL0
P70/AN0
P71/AN1
P72/AN2
P73/AN3
P74/AN4
P75/AN5
P76/AN6/DA0
P77/AN7/DA1
P43/HIRQ11/HSYNCI
P44/HIRQ1/HSYNCO
P45/HIRQ12/CSYNCI
P80/HA0/PME#
P81//CS2#/GA20
P82/CLKRUN#/HIFSD
P83/LPCPD#
P84/IRQ3#/TxD1
P85/IRQ4#/RxD1
P86/IRQ5#/SCK1/SCL1
P30/D8/HDB0/LAD0
P31/D9/HDB1/LAD1
P32/D10/HDB2/LAD2
P33/D11/HDB3/LAD3
P34/D12/HDB4/LFRAME#
P35/D13/HDB5/LRESET#
P36/D14/HDB6/LCLK
P37/D15/HDB7/SERIRQ
RESET#
RESET_OUT#
NMI
STBY#
PB0/D0/HIRQ3/LSMI#
PB1/D1/HIRQ4/LSCI
PB2/D2/CS3#
PB3/D3/CS4#
PB4/D4
PB5/D5
PB6/D6
PB7/D7
AVSS
VSS
VSS
VSS
VSS
AVCC
AVref
VCCB
VCC
VCL
P60/SENSE0
P61/SENSE1
P62/SENSE2
P63/SENSE3
P64/SENSE4
P65/SENSE5
P66/SENSE6
P67/SENSE7
P10/SCAN0
P11/SCAN1
P12/SCAN2
P13/SCAN3
P14/SCAN4
P15/SCAN5
P16/SCAN6
P17/SCAN7
P20/SCAN8
P21/SCAN9
P22/SCAN10
P23/SCAN11
P24/SCAN12
P25/SCAN13
P26/SCAN14
P27/SCAN15
P90/IRQ2#
P91/IRQ1#
P92/IRQ0#
P93/RD#/IOR#
P94/HWR#/IOW#
P95/AS#/IOS#/CS1#
P96
P97/WAIT#/SDA0
P40/TxD2/IRTxD
P41/RxD2/IRRxD
P42/SCK2/SDA1
P46/PWX0
P47/PWX1
XTAL
EXTAL
PA0/A16/CIN8/KIN8#
PA1/A17/CIN9/KIN9#
PA2/PS2AC/TPADCLK
PA3/PS2AD/TPADDATA
PA4/PS2BC/MCLK
PA5/PS2BD/MDATA
PA6/PS2CC/KBCLK
PA7/PS2CD/KBDATA
R636 10K
R583
10K
R601
10K
R227 100
R599 100K
R226 100
R579 100K
C770
0.1U
1SS355D42
AC
D41 SCS751
AC
Y5
10MHZ
1 2
C789
0.1U
T187
R608 22
C781
0.1U
R584
10K
L3 BK2125HS121
Q30
2N7002
G
S D
R641 10K
C421 0.1U
C779
0.1U
R593 0
R607
10K
R580 100K
L30 BK2125HS121
R612 10K
U29
MAX823S_SOT23
3
5
2
1
4
MR#
VCC
GND
RESET#
WDI
1SS355D38
A C
D40 SCS751
AC
C768
1U
C790
22P
R585 22
R594
1M
R619
150K
R613
10K
RP6
10P8R_10K
1
2
3
4
5
10
9
8
7
6
1
2
3
4
5
10
9
8
7
6
D39 SCS751(R)
A C
RP7
10P8R_10K
1
2
3
4
5
10
9
8
7
6
1
2
3
4
5
10
9
8
7
6
C771
10U/10V(0805)
C419
47P
C802
0.1U
R589 22
C418
47P
R592 10K
D45
1SS355
AC
R597 1K
JPS1
MS_K/B
4
6
2
1
7
5
3 8
R588 0(0805)
C798
1U
RN166
8P4R_10K
8 1
7 2
6
5
3
4
D46 1SS355
AC
D47 SCS751
AC
C1
47P
R581 22
U30
74HC151
1
2
3
4
11
12
13
10
14
5
6
9
8
7
16
15
D3
D2
D1
D0
A
D7
D6
B
D5
Y
W
C
GND
G
VCC
D4
C769
0.1U
R590
10K
L2
BK2125HS121
C783
0.1U
L31 BK2125HS121
R602 1M
T388
1SS355D43
AC
C.IR
U38
A
B
C
Q31
2N7002
G
S D
C767
1U
1SS355D44
AC
R576 0
R618
100K
T194
C425 10U/10V(0805)
R600
10K(R)
R605 0(R)
R578 100K
C778
0.1U
R577 10K(R)
SUSC# [18]
PWRSW# [27,32]
80CLK [27]
80DATA [27]
BTPWR_EN [20]
H8_SMDATA [36]
H8_SMCLK [36]
SUSB# [6,18]
FAN1-ON [24]
SERIRQ[18,25,29]
PWRBTN#[18]
LFRAME#[18,25]
PCLK_H8[5]
LAD1[18,25]
LAD0[18,25]
LAD3[18,25]
LAD2[18,25]
BATTEMP[36]
PME#[18,25,26,27,29,30,31]
MD1[27]
FAN1# [24]
ACIN# [32]
ACIN_LED [17]
BOOT_FLASH[27]
KB_GA20[19]
BRIGADJ[17]
SWI#[18]
GATERST#[19,21,27,29,30,31]
RCIN# [18]
H8BEEP [22]
SCI# [18]
DD_ON [3,18,34]
EXTSMI# [18]
CHG_PWM [36]
TMP_SMCLK[3]
TMP_SMDATA[3]
TP_CLK[27]
TP_DATA[27]
FAN2#[24]
FAN3#[24]
TOTAL_CUR[36]
Shutdown[23]
PCIRST#[6,11,18,19,22,25,27]
CIR_RX[20]
CIR_RX[20]
GATE_LID_SW#[17]
WLPWR_EN [27]
LID_SW#[17,27]
80PORT_DET#[27]
WEB2#[27]
ATF_INT#[3,18]
WLAN_DET#[27]
WEB1#[27]
WEB0#[27]
BT_DET#[20,22]
CURSEN[36]
BATVOLT[36]
PS_ON [32,35,37]
DD_ON [3,18,34]
BOOT_FLASH[27]
LEDAT/WATCH [27]
164_RESET#[27]
LEDAT/WATCH[27]
LEDCLK[27]
PNA4612MOOLB