Service manual
Schematic Diagrams
B - 24 HITACHI H8
B.Schematic Diagrams
HITACHI H8
Sheet 23 of 40
HITACHI H8
+VDD 3
+VD D 3
+5VS
+VDD3
+VDD 3
+V DD 3
+VDD3
+VDD 3
+5V
+3VH8
+3V H 8
+V DD 3
+VDD3
+5V S
+3VS
+5VS
+3V S
+3 VS
+3 V
+VDD5
+VDD3
+VDD3
+VDD3
+VD D 3
+VDD3
+5V S+5VS +3VH8
+3VH8
+VDD 3
+VDD 3
+VDD3
+VDD 3
+3V
+VDD3
+VDD3
+3V
+3VH 8
+3 VH 8
+VDD 3 +VDD5
+VDD 3
+5VS
+3V H 8
+3V H 8
+VDD3
PC LK_H 82
PCLK_SI/O2,33
LPC_DRQ#014,33
PM_CLKRUN#16,19,33
LPC _FR AME#14,26,33
PLT_ RST#6,15,16,18,19,20,26,28,33
INT_SER IRQ16,19,33
PM _S U S_ S TAT#16,33
CLK_ICH14_IO2,33
SI/O DET#16
+VDD5 14,26,27,29,30,32,34
+VDD3 3,15,16,20,25,26,29,30,31,32,34
+5V 17,22,24,25,30,31
+5VS 16,17,18,22,24, 25,27,29,30,32,33,34
+3VH8 22,25,31, 34
+3VS 2,3,6,9,11,12,13,14,16,17,18,19,20,21,24,25,26,27,28,30,32,33,34
SC I# 16
H_A20GATE 14
SMI# 16
PWR _BTN# 16
H_RCIN# 14,16
SWI # 16
PC I_ PME# 15, 19, 21
+3V 15,16,17,20,21,25,28,29,30,34
CHG_CUR31
M_B TN#25
THE RMAL_SD A13
BATT_CH ARGE_EMAIL_LED 27LPC_AD214,26,33
CPU-FAN_SEN 26
LPC_AD014,26,33
CHG_EN 31
BATVOLT_A31
CNT131
SUS B#16,20,25,29,32
BRIGHTNESS 24
SUSC# 16
H8_MUTE 34
LPC_AD114,26,33 PWR/SUS_LED 27
H8_SMDATA-A31
PLT_RST#6,15,16,18,19,20,26,28,33
BATT_FULL 27
CCD_EN_CAP_LED# 27
AC_IN 16,25
DDON 20,25,29,30,32
PM_RSMR ST#15,16
PM_THRMTRIP#3,6,14
THE RMAL_ SCLK 13
BT_DET# 28,34
BT_EN_SCROLL_LED# 27
PM_CLKRUN#16,19,33
CURSEN31
WLAN_DET# 28
CCD_DET#22
LPC_AD314,26,33
EAPD_MODE 34
LPC _FRAME#14,26,33
SRS_EN _NUM_LED# 27
PWR _SW#25
BATTEMP_A31
CPU_FAN_ON 26
CNT231
TOTAL_ CUR31
WOWO_CN TL# 35
WLAN_EN_LED# 27
H8 _SY S_PW ROK 16
H8BEEP34
PCLK_H82
INT_SERIRQ16,19,33
H8_SMCLK-A31
LID_RSUM#24,31
ACIN_LED 27
TER M_REST# 3
WLAN_EN# 28
BT_EN# 28,34
CCD_EN# 22
BATTEMP_A
HEARTBEAT
Z2321
PS2_CLK1
H8_SCI#
Z2302
RRXD
Z2304
P80IN
TOTAL_C UR
Z2301
PS2_DATA1
BOOT_FL ASH#
Z2335
Z2303
BATVOLT
Z2334
TP_CLK
Z2337
H8_EX_SMI#
TTXD
PS2_CLK2
TP_DATA
PS2_DATA2
RI_WKUP#
BOOT_FL ASH#
LPC_AD0
LPC_AD1
LPC_AD2
LPC_AD3
PCLK_SI/O
SWI#
SC I#
H8_EX_SMI #
PWR_ BTN#H8_PWRBTN#
Z2332
SMI#
H8_PME# PCI_PME#
H8_SCI#
H8_SWI#
H_RCIN#H8_RCIN#
H_ A20GATE
Z2338
80CLK
BOOT_FL ASH #
H8_RESET#
P80IN
80DATA
TTXD
Z2333
CHG_CURR
Z2322
KB-SO 2
KB-S O3
KB-S O5
KB-SO 0
KB-SO 1
KB-SO 7
KB-S O6
KB-S O4
KB-SO 14
KB-SO 13
KB-SO 11
KB-SO1 0
KB-SO8
KB-SO 12
KB-SO9
KB-SO1 5
KB-SI3
KB-SI 0 KB-S I6
KB-SI 7
KB-SI 2
KB-SI 1 KB-S I5
KB-SI4
Z2336
M_BTN#
H/W GA20
H8_RESET#
80CLK
80DATA
BOOT_F LASH #
H8_ID
RRXD
PCL K_H8
KB-SI7
CPU_FAN_ON
H8_ID
Z2324
Z2330
PCLK_H8
Z2320
KB-SI4
KB-SO9
KB-SI6
Z2316
Z2311
KB-SI0
KB-SI5
Z2327
KB-SO2
KB-SO3
LPC_FRAME#
KB-SO9
Z2306
Z2331
KB-SI5
KB-SO5
PS2_C LK1
KB-SI3
PS2_D ATA2
Z2310
CPU-FAN_SEN
KB-SO15
KB-SO12
KB-SO0
BATT_FU LL
TP_C LK
KB-SO0
LPC_AD0
EAPD_MODE
LPC_AD2
Z2329
CIR_EN
BT_EN_SCROLL_LED#
LPC PD#
Z2308
KB-SO7
KB-SO10
KB-SO13
H8_RESET#
Z2317
WEB2#
AC_IN
H8_EX_SMI#
KB-SO14
TP _D A TA
KB-SO8
KB-SO11
KB-SO6
WEB5#
H8_CURSEN
Z2319
WLAN_EN_LED#
SRS _EN _N UM_LED #
H/W GA20
HEARTBEAT
WLAN_DET#
Z2313
ACI N_LED
H8BEEP
Z2315
BATT_CHARGE_EMAIL_LED
KB-SO2
SUS B#
H8_BATTEMP_A
TOTAL_ CUR
PM_RSMRST#
PS2_C LK2
P80IN
80CLK
TTXD
PS2_D ATA1
CCD_EN_CAP_LED#
WEB1#
KB-SI4
RI_WKUP#
Z2328
BATTEMP_A
BOOT_F LASH #
KB-SO12
KB-SO1
KB-SI0
Z2318
Z2323
H8_BATVOLT_A
KB-SI7
KB-SO8
KB-SO6
Z2312
KB-SI3
H8_RCIN#
PLT_R ST#
80D ATA
PWR_SW#
KB-SO15
H8_MUTE
KB-SO11
H8_PWRBTN#
KB-SO1
Z2326
KB-SI1
KB-SO14
H8_PME#
SUSC#
H8_SWI#
H8_SCI#
LPC_AD3
Z2309
CHG_EN
BT_DET#
DDON
KB-SI6
RRXD
KB-SI1
CHG_CURR
Z2307
INT_SERIRQ
LPC_AD1
KB-SO13
PM_CLKRUN#
KB-SO3
KB-SO5
KB-SO4
KB-SI2
NMI
Z2314
PWR/SU S_LED
KB-SO4
KB-SI2
KB-SO7
KB-SO10
LID_RSUM#
WEB3#
WEB2#
WEB1#
WEB0#
WEB4#
WEB5#
WEB0#
WEB4#
WEB1#
WEB2#WEB3#
WEB5#
WEB0#
WEB5#
WEB4#
WEB3#
Z2305
WEB1#
WEB0#
WEB2#
WEB0#
WEB1#
WEB2#
JHOTKEY2
CON6A_L
1
2
3
4
5
6
J5
BIOS DEBUG
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
D22
RB751V
A C
R239
10K
R331 10K
R310 10K
Q19
2N3904
B
E C
R217
10K_04
R309 10K
R288 10K
R330 150K
D15
DAN217
A C
AC
R16
0
D18 SCS751
AC
R283 4.7K
C517
0.1UF
R260 10K
R131
10K
D21 SCS751
AC
R257
10
D4
1SS355(SOD323A)
A C
R219
10K
R316 22
R308 10K
R272
10K
R274
1K
R306
10K
R199
47K
R125
10K_1%
R307 22
C177
*0.1UF
D20
1N4148
A C
R496
0
C296
0.1UF
R300
150K
C205 *0.1UF
D13
1SS355(SOD323A)
A C
R275
22
U17
MAX823S_ SOT23
3
2
5
4
1
MR #
GN D
VCC
WDI
RESET#
R284 4.7K
D14
1N4148
A C
R14
10K
R282
22
R123
20K_1%
F1 *1.1A
1 2
R301 0_04
D28 SCS751
AC
RN12
10P8R_10K
1
2
3
4
5
10
9
8
7
6
1
2
3
4
5
10
9
8
7
6
JPS1
*MS_KB
4
6
2
1
5
3
R238 100
R221 510_04
C261
0.1UF _04
R17
10K _04
RN14
10P 8R_1 0K
1
2
3
4
5
10
9
8
7
6
1
2
3
4
5
10
9
8
7
6
R227 510_04
D17 SCS751
AC
C262
0.1UF_04
C 538 0. 01U
R302 10K_04
JKB1
85201-24X5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
C292
10UF/10V_08
R130 10K_04
C5 39 0. 01U
C282
22PF
12
C23
0.1UF _04
C6 16 0. 01U
C289
0.1UF_04
C240 0.1UF_04
JTP1
CON4
1
2
3
4
1
2
3
4
C291
0. 1UF _04
R230 100
R303 10K_04
C258
0.1UF_04
R214 10K_04
D6
*SM140A
A C
R250 10K_04
R241
100K_04
Y2 10MHz
R2 69 10K_ 04
R220 2.2M
C620 0.01U
C621 0.01U
C619 0.01U
R339 10K_04
Q23
2N7002
G
S D
C255
10U F/ 10V_ 08
JH8D1
H8_DEBUG
SPU FZ -10B
12
34
56
78
910
R253 10K
D23 SCS751
AC
R228
12 0K_04
R247 10K_04
R332 1K
R122 10K_04
R379 0_04
R2 85 10M
L31
*FH 50ACB321611T
R498
*0
RN13
8P4R_10K_04
8 1
7 2
6
5
3
4
JHOTKEY1
CON6A_R
1
2
3
4
5
6
R111 10K_04
R232
*10K
R314 100K_04
C257
0.1 UF _04
R340 47K_04
L19
FCM1608K-121T06
12
C259
0.1UF_04
RN11
10P8R_10K
1
2
3
4
5
10
9
8
7
6
1
2
3
4
5
10
9
8
7
6
R15
10K
C271
10P F
D27
1SS355
AC
R600 10K_04
C263 0. 1UF _04
D16
1N4148
A C
U15
H8S/2111 LPC
9
10
16
15
66
68
69
70
71
72
73
74
75
2
3
4
129
130
131
132
133
134
135
121
122
123
124
125
126
127
128
8
142
11
12
120
119
118
117
116
115
114
113
67
111
95
42
7
76
77
36
1
13
58
57
56
55
54
53
52
51
78
79
80
81
82
83
84
85
43
44
45
46
47
48
49
50
24
23
22
21
20
19
18
17
136
137
138
5
6
143
41
40
39
38
37
35
34
33
14
25
26
27
28
29
30
31
32
139
86
65
64
63
62
61
60
59
87
88
89
90
91
92
93
94
96
97
98
99
100
101
102
103
144
104
105
106
107
108
109
110
112
140
141
MD1
MD0
P50/ExTxD1*
P51/ExRxD1*
PD0
P70/AN0
P71/AN1
P72/AN2
P73/AN3
P74/AN4
P75/AN5
P76
P77
P43/TMC11
P44/TMO1
P45/TMR11
P80/PME#
P81//CS2#/GA20
P82/CLKRUN#/HIFSD
P83/LPCPD#
P84/IRQ3#/Tx D1
P85/IRQ4#/RxD1
P86/IRQ5#/SCK1/SCL1
P30/D8/HDB0/LAD0
P31/D9/HDB1/LAD1
P32/D10/HD B2/LAD2
P33/D11/HD B3/LAD3
P34/D12/HDB4/LFRAME#
P35/D13/HD B5/LRESET#
P36/D14/HD B6/LCLK
P37/D15/HD B7/SERIR Q
RESET#
RESET_OUT#
NMI
STBY#
PB0/D0/WUE0#/LSMI#
PB1/D1/WUE1#/LSC I
PB2/WUE2#
PB3/WUE3#
PB4/WUE4#
PB5/WUE5#
PB6/WUE6#
PB7/WUE7#
AVSS
VSS
VSS
VSS
VSS
AVCC
AVref
VCCB
VCC
VCL
PG0
PG1
PG2
PG3
PG4/ExSDAA*
PG5/ExSCLA*
PG6/ExSDAB*
PG7/ExSCLB*
P60/ FTCI/KIN0#/TMIX
P61/FTOA/KIN1#
P62/FTIA/KI N2#/TMIY
P63/FTIB/KIN3#
P64/ FTIC/KIN4#
P65/ FTID/KIN5#
P66/FTOB/KIN6#/I RQ6#
P67/TMOX/KIN7#/I RQ7#
PF7/TMOY *
PF6/ ExTMOX*
PF5/ExTMIY*
PF4/ ExTMIX*
PF3/TMOB
PF2/TMOA
PF1/TMIB
PF0/TMIA
P90/I RQ2#/ADTRG#
P91/IRQ1#
P92/IRQ0#
P93
P94
P95
P96/EXCL
P97SDA0
P40/ TMCI 0
P41/TMO0
P42/TMR I0/SDA1
P46
P47
XTA L
PA0/KIN8#
PA1/KIN9#
PA2/KIN10#/PS2AC
PA3/KIN11#/PS2AD
PA4/KIN12#/PS2BC
PA5/KIN13#/PS2BD
PA6/KIN14#/PS2CC
PA7/KIN15#/PS2CD
P52/ExSCK1*/SCL0
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
VSS
VC C
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
P27
P26
P25
P24
P23
P22
P21
P20
EXTAL
P17/PW7
P16/PW6
P15/PW5
P14/PW4
P13/PW3
P12/PW2
P11/PW1
P10/PW0
X1
X2
R601 *0_04
C374
0. 1UF _04
R215 10K_04
R304 100K_04
C260
0.1UF _04
R216 10K_04
R212 10K
JDEBUG1
HEADER 10_R
1
2
3
4
5
6
7
8
9
10
C372 22PF_04
C288
22PF
12
R268
10K
R229 100
C290
0.1UF_04
D19 SCS751
AC
PLACE NEAR H8
FOR H8 ID
JKB1
24
H8 DEBUG PORT
1
2
JH8D1
9
1
10
FOR M520G
Hot Key Pin Define
WEB0-->WWW
WEB1-->E-MAIL
WEB2-->APPLICATION
WEB3-->REC
WEB4-->ZOOM IN
WEB5-->ZOOM OUT
950222
950222