Read Sharp AR-M256 (serv.man12) Service Manual online
AR-M318/317FP CIRCUIT DIAGRAM / 回路図 3 - 1
[3] CIRCUIT DIAGRAM / 回路図
1. MCU PWB
D0
D1
1
D8
D1
4
D1
2
D1
D4
D1
0
D1
3
D5
D2
D1
5
D9
D3
D7
D6
D1
5
D1
4
D1
3
D1
2
D1
1
D1
0
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
A20
A6
A2
A9
A3
A19
A15
A7
A5
A16
A18
A14
A4
A17
A13
A1
A11
A8
A10
A12
D[15..0]
(2,3,8,13)
CPU3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
PMCLK
(7)
BPWM
(7)
RY/BY
(8)
MIRCNT
(3)
/CPUSYNC
(2,3)
FW#
(4)
/LOOPINT
SPFPAPER#
(4)
OCCOVER
(12)
MHP
(12)
/INTR
(2)
SFTCNT
(3)
SPFCNT
(3)
/RESET
/SH
(2,3,9)
/CS2
(2)
/CS0
(8)
/CS3
(3)
/CS1
(8)
/OPUSRDY
(5)
/OPUCRDY
(5)
A[20..1]
(2,3,8,13)
NB79NB79
1
R255
33
R255
33
NB78
NB78
1
NB82NB82
1
R256
33
R256
33
NB85NB85
1
R128
1k
R128
1k
R132
33
R132
33
NB89NB89
1
R130
NM_47
R130
NM_47
C141
01
u
C141
01
u
NB80NB80
1
R129
33
33
B
R
1
1
2
1
0kx4
1
8
2
7
3
6
4
5
NB83NB83
1
NB86NB86
1
NB77
NB77
1
NB90NB90
1
NB73
NB73
1
NB81NB81
1
R118
NM_R
R118
NM_R
NB84NB84
1
NB9
5
NB9
5
1
NB87NB87
1
NB97NB97
1
NB8
1
XTAL
TP500
TP500
XTAL
TP500
TP500
1
1
R13
R13
NB91NB91
1
NB99NB99
1
NB18
1
NB20
1
NB9
6
NB9
6
1
NB22
1
C140
0.1u
C140
0.1u
R121
47k
BR140
10kx4
BR140
10kx4
1
8
2
7
3
6
4
5
NB28
1
BR114
4
7
kx4
1
8
2
7
3
6
4
5
NB30
1
NB32
1
C242
47p
47p
C242
47p
47p
BR113
33x4
33x4
1
8
2
7
3
6
4
5
NB34
1
NB35
1
IC110
HD6412320F(H8S/2320)
IC110
HD6412320F(H8S/2320)
P1
7
115
TIOCA2
116
TCLKC
117
TIOCA1
118
TCLKB
119
TCLKA
120
P1
1
121
P1
0
122
P27
72
P26
73
P25
74
P24
75
P23
76
P22
77
P21
78
P20
79
LWR
93
P50
97
TXD
0
59
D8
49
P51
98
P52
101
P53
102
PF2
94
TEND1
71
IRQ3
33
D0
40
PF1
95
A16
24
TXD
1
60
Vref
104
PF0
96
A8
15
D1
41
RXD0
61
AN
0
105
FAI
88
AS
90
RD
91
HWR
92
RXD1
62
D2
42
D9
50
D3
43
WDTOVF
80
RES
81
NMI
82
STBY
83
XTAL
85
EXTAL
86
IRQ2
34
P3
4
63
DREQ0
66
TEND0
69
DREQ1
70
D4
45
IRQ5
30
D5
46
D10
51
AN
1
106
D6
47
P3
5
64
D7
48
P4
2
107
D11
52
A17
25
IRQ6
31
A9
16
D12
54
P4
3
108
D13
55
A12
20
D14
56
A4
11
D15
57
IRQ1
37
IRQ7
32
A13
21
P4
5
110
A18
26
A5
12
A14
22
A6
13
A0
6
A10
17
A1
7
CS1
1
P4
6
111
A2
8
CS0
2
A7
14
P4
7
112
A3
9
A15
23
A11
18
IRQ0
38
A19
27
MD0
123
MD1
124
MD2
125
PG
0
126
CS
3
127
CS
2
128
A20
29
AVs
s
113
P4
4
109
AVc
c
103
GND
10
GND
3
GND
4
VCC
5
VC
C
39
GND
19
GND
44
GND
28
GND
35
GND
36
GND
53
VC
C
58
GND
99
GND
100
VCC
84
VCC
89
GND
87
GND
114
GND
67
GND
68
GND
65
NB39
1
BR127
4
7
kx4
1
8
2
7
3
6
4
5
NB41
1
1
8
2
7
3
6
4
5
R119
100
R119
100
NB43
1
NB45
1
NB6
NB6
1
R251
1.5k
1.5k
NB48
1
NB9
NB9
1
NB49
1
NB11
NB11
1
NB51
1
NB12
NB12
1
NB53
1
NB13
NB13
1
NB55
1
BR110
10k
x
4
BR110
10k
x
4
1
8
2
7
3
6
4
5
NB71
NB71
1
NB14
NB14
1
NB56
1
BR124
10k
x
4
BR124
10k
x
4
1
8
2
7
3
6
4
5
BR125
10k
x
4
BR125
10k
x
4
1
8
2
7
3
6
4
5
NB57
1
NB16
NB16
1
BR123
10k
x
4
BR123
10k
x
4
1
8
2
7
3
6
4
5
NB58
1
NB17
1
R50
R50
NB59
1
NB19
1
NB60
1
NB21
1
NB10
NB10
1
NB61
1
NB23
1
NB7
NB7
1
NB62
1
C134
1000p
C134
1000p
NB66
NB66
1
NB5
NB5
1
C137
0.1u
C137
0.1u
NB68
NB68
1
NB24
1
NB4
NB4
1
C133
0.1u
C133
0.1u
NB70
NB70
1
NB3
NB3
1
R502
100
R502
100
NB36
NB36
1
NB72
NB72
1
NB2
NB2
1
NB38
NB38
1
BR126BR126
NB74
NB74
1
NB1
NB1
1
NB40
NB40
1
C132
0.1u
C132
0.1u
NB65
NB65
1
NB50
NB50
1
BR500
33x4
BR500
33x4
1
8
2
7
3
6
4
5
R133
33
R133
33
BR108
10kx4
10kx4
BR108
10kx4
10kx4
1
8
2
7
3
6
4
5
BR501
33x4
BR501
33x4
1
8
2
7
3
6
4
5
BR502
33x4
33x4
BR502
33x4
33x4
1
8
2
7
3
6
4
5
BR503
33x4
33x4
BR503
33x4
33x4
1
8
2
7
3
6
4
5
1
BR504
33x4
33x4
BR504
33x4
33x4
1
8
2
7
3
6
4
5
C282C282
A
B
C
A
B
C
4
3
2
1
MCU PWB
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