Read Sharp MX-C300P / MX-C300PE / MX-C300PL (serv.man2) Service Manual online
MX-C300P CIRCUIT DIAGRAM AND PARTS LAYOUT 2 – 67
A
A
B
B
C
C
4
3
2
1
127
33
A0
A1
A2
A3
A1
A2
A3
A4
A5
A6
A5
A6
A9
A10
A11
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A13
A14
A15
A16
A17
A18
A19
D1
D2
D2
D11
D12
D14
D13
D5
D3
D10
D9
D0
D6
D7
D5
D9
D8
D8
D1
D13
D0
D15
D15
D4
D14
D11
D10
D3
D6
D4
A3
A2
A1
A0
A7
A6
A5
A4
A11
A10
A9
A8
A15
A14
A13
A12
A19
A18
A17
A16
SCAN6-
SCAN5-
SCAN3-
31
37
A20
A20
/CS2-
/CS1-
/CS0-
D7
RxD1
TxD1
D12
SCAN4-
OPUSTS(RXD0)
33
38
A8
38
A7
34
SCAN2-
SCAN1-
SCAN0-
RxD1
TxD1
A21
A21
RY/BY
127
31
32
34
37
32
/CS2-
/CS1-
/CS0-
/CS1-
/CS0-
3.3V
3.3V
3.3V
3.3V
3.3V
RY/BY
SENSE3
/CS1
SENSE0
SENSE5
SENSE4
/CS0
SENSE2
SENSE1
D[15..0]
SCAN6
SCAN4
SCAN5
SCAN3
BZ_PWM
SCAN1
SCAN0
SCAN2
SENSE6
/CS2
A[21..0]
6Q&GDWI
TP53
TP53
TP13
TP13
TP70TP70
R5
10KJ
R5
10KJ
TP84TP84
R61
10KJ
10KJ
R61
10KJ
10KJ
TP100TP100
TP86TP86
TP64
TP64
TP51
TP51
TP66TP66
TP107TP107
TP42
TP42
TP11
TP11
BR23 100X4
BR23 100X4
1
8
2
7
3
6
4
5
TP149
TP149
BR16
10kX4
BR16
10kX4
1
8
2
7
3
6
4
5
BR33
10KX4
BR33
10KX4
1
8
2
7
3
6
4
5
BR1
10kX4
BR1
10kX4
1
8
2
7
3
6
4
5
TP17
TP17
BR19 100X4
BR19 100X4
1
8
2
7
3
6
4
5
IC3
H8S/2321
IC3
H8S/2321
IRQ3
33
A16
24
A8
15
TXD
0
59
A0
6
D8
49
D0
40
P66
34
A17
25
A9
16
A1
7
PF7
88
PF6
90
RD
91
A10
17
A18
26
A2
8
P65
37
D9
50
CS1
1
A3
9
D1
41
CS0
2
TXD
1
60
A11
18
A19
27
A4
11
LWR
93
A12
20
A5
12
A20
29
GND
10
TXD2
97
A6
13
IRQ0
38
D2
42
A7
14
GND
3
D1
0
51
NC
4
RXD0
61
VCC
5
A13
21
A21
30
VCC
39
Vre
f
104
D3
43
A14
22
PF2
94
GND
19
D1
1
52
A15
23
PF1
95
D4
45
RXD1
62
D5
46
P51
98
A22
31
GND
44
GND
28
D1
2
54
A23
32
D6
47
SCK2
101
P53
102
P3
4
63
D7
48
GND
35
PF0
96
GND
36
D1
3
55
P4
0
105
P4
1
106
P4
2
107
P4
3
108
P4
5
110
GND
53
D1
4
56
DA0
111
D1
5
57
P4
7
112
HWR
92
VCC
58
P3
5
64
P1
7
115
P1
6
116
P1
5
117
P1
4
118
CS4
66
P61
69
P62
70
GND
99
GND
100
P63
71
TIOCB5
72
P26
73
P25
74
P24
75
P23
76
P22
77
P21
78
P20
79
WDTOVF
80
P1
3
119
P1
2
120
RES
81
NMI
82
STBY
83
VCC
84
XTAL
85
EXTAL
86
VCC
89
GND
87
P1
1
121
TIO
C
A0
122
MD
0
123
MD
1
124
MD
2
125
PG
0
126
CS3
127
CS2
128
P4
4
109
AVs
s
113
GND
114
AVc
c
103
GND
67
GND
68
GND
65
TP205TP205
TP91TP91
TP49
TP49
TP103TP103
TP10
TP10
TP79TP79
TP109
TP109
TP117
TP117
TP93TP93
TP1TP1
BR8
1
kX4
BR8
1
kX4
1
8
2
7
3
6
4
5
TP96TP96
TP25
TP25
TP47
TP47
TP29
TP29
TP126
TP126
R14
10KJ
R14
10KJ
TP31
TP31
TP72
TP72
TP23
TP23
BR14
10kX4
BR14
10kX4
1
8
2
7
3
6
4
5
CN6
BM08B-GHS-TBT(N
CN6
BM08B-GHS-TBT(N
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
TP59TP59
TP21
TP21
BR29
10kX4
BR29
10kX4
1
8
2
7
3
6
4
5
TP99TP99
BR11
100X4
BR11
100X4
1
8
2
7
3
6
4
5
BR22 100X4
BR22 100X4
1
8
2
7
3
6
4
5
TP189
TP189
TP38
TP38
TP68TP68
BR20 100X4
BR20 100X4
1
8
2
7
3
6
4
5
TP36
TP36
TP87TP87
TP41
TP41
TP20
TP20
TP71TP71
TP8
TP8
TP104TP104
TP83TP83
TP76TP76
TP61TP61
TP77TP77
TP102TP102
TP16
TP16
TP125
TP125
TP34
TP34
BR7 100X4
BR7 100X4
1
8
2
7
3
6
4
5
TP112
TP112
TP62TP62
TP94TP94
TP73TP73
TP43
TP43
R63
10KJ
R63
10KJ
TP65TP65
TP30
TP30
BR32
10kX4
BR32
10kX4
1
8
2
7
3
6
4
5
TP75
TP75
TP95TP95
TP40
TP40
TP55
TP55
R62
10KJ(N.M.)
R62
10KJ(N.M.)
TP14
TP14
TP32
TP32
BR18 100X4
BR18 100X4
1
8
2
7
3
6
4
5
R60
10KJ(N.M.)
R60
10KJ(N.M.)
TP52
TP52
TP67TP67
R18
10KJ
R18
10KJ
TP12
TP12
BR26
33X4
BR26
33X4
1
8
2
7
3
6
4
5
TP98TP98
TP78TP78
BR12
10kX4
BR12
10kX4
1
8
2
7
3
6
4
5
TP18
TP18
BR21 100X4
BR21 100X4
1
8
2
7
3
6
4
5
TP108TP108
TP50
TP50
TP105TP105
TP26
TP26
TP48
TP48
TP45
TP45
TP92TP92
TP9
TP9
TP85TP85
BR31
10kX4
BR31
10kX4
1
8
2
7
3
6
4
5
TP58TP58
TP63TP63
TP101TP101
TP24
TP24
TP46
TP46
BR43
10kX4
BR43
10kX4
1
8
2
7
3
6
4
5
BR15
10kX4
BR15
10kX4
1
8
2
7
3
6
4
5
TP81TP81
TP39
TP39
TP74
TP74
TP60TP60
TP22
TP22
TP206TP206
BR13
10kX4
BR13
10kX4
1
8
2
7
3
6
4
5
TP89TP89
TP106TP106
TP6
TP6
TP80TP80
TP37
TP37
TP127
TP127
TP90TP90
TP207TP207
TP54
TP54
TP57TP57
TP169
TP169
BR28
33X4
BR28
33X4
1
8
2
7
3
6
4
5
BR10
100X4
BR10
100X4
1
8
2
7
3
6
4
5
TP7
TP7
BR25
33X4
BR25
33X4
1
8
2
7
3
6
4
5
TP56TP56
TP28
TP28
TP27
TP27
BR9
1
kX4
BR9
1
kX4
1
8
2
7
3
6
4
5
TP44
TP44
TP35
TP35
TP97TP97
TP69TP69
TP19
TP19
TP15
TP15
TP33
TP33
TP82TP82
TP124
TP124
TP88TP88
R4
0J
R4
0J
BR30
10kX4
BR30
10kX4
1
8
2
7
3
6
4
5
BR27
33X4
BR27
33X4
1
8
2
7
3
6
4
5
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