Schematic Diagrams
Hitachi H8S B - 21
B.Sch
em
atic D
iag
rams
Hitachi H8S
Sheet 20 of 29
Hitachi H8S
+3VH8
+3VH8
+3VH8_1
+3VH8
+3VS
+3VS
+3VH8
+3VH8
+3VH8
+3VH8
+5VS
+VDD3
+5VH8
+5VS
+3VH8
+3V
+3V
+5VS
+3VH8
+3VH8
+5VS
+5VH8
+3VH8
+3VH8
+3VH8
+5VH8
+5VS
+3VH8
+3VH8
+5VS
+3VH8
+3VH8
+3VH8
+3VH8
+5VS
+5VS
+3VH8
+3VH8
+3VS
+5VH8 +5VS
+3VH8_1
+VDD5
+5VS
+5VS
SUSA#
[10,13]
SDA0
[29]
BAT0_V
[29]
BAT0_M
[29]
I_CHG
[29]
BRIGHTNESS
[11]
PM_CLKRUN#
[13,20,24]
LPC_FRAME#
[13,19]
PCLK_H8
[10]
SMI#
[13]
SCI#
[13]
H_RCIN#
[12]
PCLK_H8
[10]
SUSC#
[13]
WEB1#
[11]
WEB0#
[11]
CHAG_EN [29]
LID_RSUM# [11,16]
PWR_SW# [26]
SWI#
[13]
THERMAL_SCLK1 [3]
PCIRST#
[5,6,12,16,17,18,19,20,22,24,27]
SCLK0
[29]
LPC_AD0
[13,19]
LPC_AD1
[13,19]
LPC_AD2
[13,19]
LPC_AD3
[13,19]
H_A20GATE [12]
THERMAL_SDA1 [3]
SDACT#
[17]
PDLED#
[17]
DDON
[22,26]
HD_PD_LED# [16]
H8_BEEP [23]
PM_RSMRST#
[13,14,16]
BT_WAKE_UP
[16]
AC_IN#
[12,26]
INT_SERIRQ
[12,19,24]
BAT_IN0
[29]
PWR_BTN# [13]
TOTAL-PW
[26]
CHR-LEV
[29]
C2
[29]
ICHPWROK [4,11,12,13,14,22]
H8_VRON
[4]
LPC_PME#
[13,19]
THRMTRIP# [3]
SCROLL_LED# [16]
BATT_CHARGE [11]
NUM_LED# [16]
ACIN_SUSLED [11]
EMAIL_LED [11]
CAP_LED# [16]
BATT_FULL [11]
POWER_ON [11]
Z2107
PCLK_H8
SYS_MODEL
REMOTE_IR
Z2108
H_A20GATE
Z2116
HEARTBEAT
Z2115
SDACT#
HD_FD_LED#
Z2144
CIRA
REMOTE_IR
CIRA
THERMAL_SCLK1
KB-CTL1
SUSC#
TP_CLK
SMI#
H/W GA20
HEARTBEAT
PWM594_ON
WEB2#
TXD1
KB-SCAN0
80DATA
WEB1#
INT_SERIRQ
LPC_AD1
LPCPD#
P80IN
PCIRST#
BOOT_FLASH#
SCI#
KB-SCAN2
PCLK_H8
SWI#
Z2145
Z2104
KB-SCAN5
PWR_SW#
LPC_AD0
AC_IN#
REMOTE_IR_EN
Z2110
PA1
HIRQ12
WEB0#
BRIGHTNESS
I_CHG
SUSA#
H8BEEP
REMOTE_IR_EN
THRMTRIP#
LPC_AD3
H8_PME#
SDA0
KB-SCAN7
KB-SCAN6
CHARBY
LEDCLK
RXD1
BAT0_M
SCLK0
LID_RSUM#
KB-SCAN1
CHAG_EN
KB-CTL3
KB-CTL2
80CLK
Z2103
H8_RESET#
Z2114
PWRBY
AUX_CLK
PWR_SW#
LPC_FRAME#
BOOT_FLASH#
H_RCIN#
P92
KBD_DAT
TP_DATA
LEDDATA
LPC_AD2
Z2101
BAT0_V
Z2113
KB-SCAN4
KB-SCAN3
PM_CLKRUN#
RI_WKUP#
H/W GA20
Z2117
H8BEEP
Z2118
Z2120
FAN_ON
Z2124
KB-SCAN4
KB-SCAN5
KB-SCAN6
KB-SCAN7
KB-SCAN3
KB-SCAN1
KB-SCAN2
KB-SCAN0
TP_DATA
80CLK
80DATA
WEB2#
WEB0#
WEB1#
Z2109
HIRQ12
RI_WKUP#
TZ2104
PWRBY
TZ2102
TZ2103
CHARBY
AUX_DAT
Z2151
KBD_CLK
Z2105
P80IN
TP_CLK
Z2125
Z2102
Z2143
TZ2101
BT_WAKE_UP
80CLK
SCAN7
SCAN15
SCAN9
SCAN8
SCAN14
KB-SCAN1
KB-SCAN6
KB-SCAN0
KB-SCAN7
KB-SCAN5
KB-SCAN4
THERMAL_SDA1
SCAN0
SCAN1
SCAN2
SCAN3
SCAN4
SCAN5
SCAN6
SCAN12
SCAN11
SCAN13
SCAN10
KB-SCAN2
KB-SCAN3
SCAN1
SCAN0
SCAN2
KB-CTL3
KB-CTL1
Z2140
Z2129
Z2139
Z2137
Z2134
Z2142
Z2131
80DATA
Z2141
Z2130
Z2133
Z2138
Z2135
Z2128
KB-CTL2
Z2127
Z2147
Z2136
Z2132
SCAN5
SCAN9
SCAN8
SCAN10
SCAN3
SCAN11
SCAN6
SCAN4
SCAN14
SCAN13
SCAN15
SCAN7
SCAN12
PM_RSMRST#
Z2106
BAT_IN0
AUX_CLK
KBD_DAT
AUX_DAT
KBD_CLK
FAN_ON
Z2119
FAN_ON
Z2112
Z2146
PA1
Z2148
FANDET
FANDET
PWR_BTN#
P92
Z2121
PWM594_ON
Z2111
H8_VRON
H8_PME#
Z2149
Z2150
Z2152
H8_RESET#
LEDDATA
NUM_LED#
CAP_LED#
H8_RESET#
LEDCLK
TP_DATA
TP_CLK
Z2126
FAN_ON
Z2155
Z2153
Z2154
Z2123
Z2122
R378
10K
R385
10K
Y6
10MHz
C423
10P
C439
0.1uF
U37
7S08
2
1
4
3
5
JPS1
CON6
1
2
3
4
5
6
A
B
C
D
E
F
R235
1M
C210
2200PF
R366
10K
Q18
NDS352
G
D
S
C437
22P
1
2
R556
*0
C438
22P
1
2
R555
0
C294
0.1uF
D1
RB751V
A
C
+
C301
*47uF/25V
RP39
8P4RX10K
8
1
7
2
6
5
3
4
R417
*0
R247
10K
Q42
2N7002
G
S
D
D21
1N4148
A
C
R533
10K
U12E
74LVC14
11
10
14
7
R86
1K
L80
HCB2012K-500T40
1
2
R608
0
C722
0.1uF
T
Q45
*2SC4672
B
E
C
Q11
*2N7002
G
S
D
C723
*0.1uF
R607
*1K
R72
10K
D47
*RB751V
A
C
JFAN3
CON2_1
1
2
1
2
R30 10\K
JFAN1
HEADER 3
1
2
3
L1
HCB2012K-500T40
1
2
D3P
D13
IMN10
1
2
3
4
5
6
+
+
+
-
-
-
R114
4.7K
R393
100K
R405
10K
C30
10uF
J80PORT1
PORT80
1
2
3
4
5
T
L53
FC
M1608K
-221T06
1
2
L52
FC
M1608K
-221T06
1
2
R380
10K
T
R384
10K
T
C445
0.1uF
T
JTP1
CON4
1
2
3
4
1
2
3
4
R70
*10K
R73
*10K
Q19
NDS352
G
D
S
L36
HCB2012K-500T40
1
2
U26
74LV164
1
2
8
9
3
4
5
6
10
11
12
13
14
7
A
B
CLK
CLR
QA
QB
QC
QD
QE
QF
QG
QH
VC
C
GN
D
C364
0.1uF
R310
1K
C689
10uF/10V
C690
0.1uF
C688
10uF/10V
U58
SI9183-3.3
1
2
3
4
5
VIN
GND
SD
BP
VO
R434
10K
Q9
2N7002
G
S
D
L37
HCB2012K-500T40
1
2
JFAN2
CON2_1
1
2
1
2
D24
RB751V
A
C
R33
1K
C47
*0.1uF
R309
10 1%
Q20
*2SC4672
B
E
C
C344
0.1uF
L76
H
C
B
1608K
-121T25
L77
*H
C
B
1608K
-121T25
T
R588
100K
R559
0
U5
TC7S14F
1
2
3
5
4
IN
IN
GND
VCC
OUT
RP1
10P8RX10K
10
9
8
7
6
1
2
3
4
5
R382
10K
R397
10K
R398
10K
R396
10K
D5
1SS355
A
C
D8
1SS355
A
C
D10
1SS355
A
C
R540
10K
D11
1SS355
A
C
D29
1SS355
A
C
D26
1SS355
A
C
D30
1SS355
A
C
D33
1SS355
A
C
D27
1SS355
A
C
D6
1SS355
A
C
D28
1SS355
A
C
D9
1SS355
A
C
D4
1SS355
A
C
D7
1SS355
A
C
R580
100K
D31
1SS355
A
C
D32
1SS355
A
C
D35
RB751V
A
C
R369
10K
D46
RB751V
A
C
R91
0
D45
RB751V
A
C
RP2
10P8RX10K
10
9
8
7
6
1
2
3
4
5
R558
*0
R404
0
R557
0
R374
10
C422
0.1uF
C425
0.1uF
C4170.1uF/50V(0805)
C90
10uF/10V
R368
0
C379
0.1U
C440
0.1U
C78
0.1uF
U27
74LVC138
1
2
3
6
4
5
15
14
13
12
11
10
9
7
16
8
A
B
C
G1
G2A
G2B
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
VC
C
GN
D
Q10
2N3904
B
E
C
C380
0.1U
U28
74LVC138
1
2
3
6
4
5
15
14
13
12
11
10
9
7
16
8
A
B
C
G1
G2A
G2B
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
VC
C
GN
D
U52
*C.IR
1
2
3
A
B
C
R88
47K
R381
10K
U31
H8S/2149LPC
39
38
40
41
42
44
45
50
49
53
54
97
93
94
98
95
82
83
84
85
86
87
88
89
80
91
58
57
48
47
31
30
21
20
11
10
46
92
71
70
15
4
36
37
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
96
2
3
1
100
7
8
43
51
52
55
56
99
90
81
69
68
6
5
16
14
13
12
P71/AN1
P70/AN0
P72/AN2
P73/AN3
P74/AN4
P76/AN6
P77/AN7
P41/TMO0
P40/TMCIO
P44/HIRQ1
P45/HIRQ12
P84/IRQ3#
P80/PME
P81/CS2
P85/IRQ4#
P82/CLKRUN#
P30/LAD0
P31/LAD1
P32/LAD2
P33/LAD3
P34/LFRAME
P35/LRESET
P36/LCLK
P37/SERIRQ
PB3/CS4
PB0/LSMI
PB6/WUE6
PB7/WUE7
PA0
PA1
PA2/PS2AC
PA3/PS2AD
PA4/PS3BC
PA5/PS2BD
PA6/PS2CC
PA7/PS2CD
AVSS
VSS
VSS
VSS
VSS
V
CCB
AVR
EF
AVC
C
VC
C
VC
L
P60
P61
P62
P63
P64
P65
P66
P67
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
P90/IRQ2
P91/IRQ1
P92/IRQ0
P93/IOR
P94/IOW
P95/CS1
P96/EXCL
P83/LPCPD#
XTAL
EXTAL
RESET#
RESET_OUT
NMI
STBY#
P75/AN5
P42/SDA1
P43/HIRQ11
P46/PWX0
P47/PWX1
P86/SCK1
PB1/LSCI
PB2/CS3
PB4/WUE4
PB5/WUE5
MD1
MD0
P97/SDA0
P50/TXD0
P51/RXD0
P52/SCK0
R367
0
T
L51
HCB2012K-121T30
R387
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
C436
0.1uF
R103
150K
R395
10M
R394
100K
R392
47K
U32
MAX823S_SOT23
3
2
5
4
1
MR#
GND
VCC
WDI
RESET#
D37
RB751V
A
C
R376
10K
+5VH8
[11,22,26]
+3VH8
[3,11,13,16,22,26,28,29]
+5VS
[6,11,12,14,17,19,22,23,26,28]
+3VS
[3,5,6,7,8,10,11,12,13,14,16,17,18,19,22,23,26,27,28]
+3V
[3,12,13,14,16,18,20,22,24,25,26]
PLACE NEAR H8
9/27
9/27
10/2
(D SIZE)
92/02/24
4/24
4/24
Summary of Contents for M375C
Page 1: ......
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer M375C M385C Service Manual ...
Page 35: ...Part Lists Top M375C A 3 A Part Lists Top M375C Figure 1 Top M375C ...
Page 36: ...Part Lists A 4 Bottom M375C A Part Lists Bottom M375C Figure 2 Bottom M375C ...
Page 37: ...Part Lists LCD M375C A 5 A Part Lists LCD M375C Figure 3 LCD M375C ...
Page 38: ...Part Lists A 6 Card Reader M375C A Part Lists Card Reader M375C Figure 4 Card Reader M375C ...
Page 44: ...Part Lists A 12 Top M385C A Part Lists Top M385C Figure 10 Top M385C ...
Page 45: ...Part Lists Bottom M385C A 13 A Part Lists Bottom M385C Figure 11 Bottom M385C ...
Page 46: ...Part Lists A 14 LCD M385C A Part Lists LCD M385C Figure 12 LCD M385C ...
Page 47: ...Part Lists Card Reader M385C A 15 A Part Lists Card Reader M385C Figure 13 Card Reader M385C ...