Read Sharp MX-C250 / MX-C250E / MX-C250F / MX-C250FE / MX-C250FR / MX-C300F / MX-C300W / MX-C300WE / MX-C300A / MX-C300WR (serv.man8) Service Manual online
MX-C300W CIRCUIT DIAGRAM AND PARTS LAYOUT 2 – 74
C
C
D
D
E
E
4
3
2
1
SENSE1
SENSE4
SENSE0
SENSE4
SENSE0
SENSE5
EXTAL
SENSE2
SENSE1
SENSE2
SENSE5
SENSE3
90
88
79
78
77
76
75
78
77
76
75
/STBY
NMI
80
SCAN5-
SCAN4-
SCAN3-
SCAN2-
SCAN1-
SCAN6-
SCAN0-
95
//RD
OPE_RES
XTAL+
79
94
96
93
71
/LEDENABLE
LEDCLK
/LEDLATCH
SENSE3
73
74
/STBY
NMI
LEDSI
//HWR
EXTAL
80
NMI
/STBY
//HWR
88
//RD
90
EXTAL+
SENSE6
/OPUCRDY-
OPUSTS-(RXD0)
/OPUCRDY-
/OPUSRDY-
OPUCMD-(TXD0)
70
OPUSTS-(RXD0)
OPE_RES
OPUCMD-(TXD0)
/OPUSRDY-
94
93
95
96
76
75
78
77
73
74
71
BL_PWM
70
/OPUCRDY
/CS4
3.3V
3.3V
3.3V
CPU3.3
CPU3.3
3.3V
3.3V
3.3V
3.3V
3.3V
/OPUCRDY
OPUCMD(TXD0)
/OPUSRDY
LEDCLK
OPUSTS(RXD0)
/RESET
/HWR
/RD
/RD
/LEDLATCH
/LEDENABLE
LEDSI
/OPURESET
BL_PWM
/CS4
/LCDRES
WI
R30
10KJ(N.M.)
R30
10KJ(N.M.)
TP235
TP235
IC5
CY25811(N.M.)
CY25811(N.M.)
IC5
CY25811(N.M.)
CY25811(N.M.)
Xin
1
VSS
2
S1
3
S0
4
M
O
DOUT
5
FR
S
6
VDD
7
XO
UT
8
R57
0J
R57
0J
C28
0.1uF
C28
0.1uF
R37
0J
0J
R37
0J
0J
TP147
TP147
TP167
TP167
C34 0.1uF(N.M.)
C34 0.1uF(N.M.)
C46
1000pF
C46
1000pF
C48
10uF/6.3V(2125)
C48
10uF/6.3V(2125)
R59
0J
R59
0J
TP151
TP151
C40
1000pF
C40
1000pF
TP237
TP237
BR3
20kX4
BR3
20kX4
1
8
2
7
3
6
4
5
BR36
10kX4
BR36
10kX4
1
8
2
7
3
6
4
5
TP158
TP158
FB1
0J(1608)
0J(1608)
FB1
0J(1608)
0J(1608)
1
2
TP262
TP262
TP144
TP144
TP166
TP166
IC8
TC7SZ32FU(N.M.)
IC8
TC7SZ32FU(N.M.)
IN B
1
IN A
2
GND
3
OUT Y
4
VCC
5
R40
100J
R40
100J
TP123TP123
TP238
TP238
X1
HC-49U/S(19.6608MHz)
X1
HC-49U/S(19.6608MHz)
BR39
10kX4
BR39
10kX4
1
8
2
7
3
6
4
5
TP236
TP236
C39
1000pF(N.M.)
C39
1000pF(N.M.)
BT(N.M.)
BT(N.M.)
BR38
10kX4
BR38
10kX4
1
8
2
7
3
6
4
5
TP143
TP143
TP122TP122
R64 0J(N.M.)
R64 0J(N.M.)
C7
0.1uF
C7
0.1uF
C23
1000pF
C23
1000pF
R49
0J(N.M.)
R49
0J(N.M.)
C33
22pF
C33
22pF
TP131
TP131
C35
0.1uF
C35
0.1uF
R38
0J(N.M.)
R38
0J(N.M.)
C26
1000pF
C26
1000pF
TP73TP73
R31
0J(N.M.)
R31
0J(N.M.)
R45
0J
R45
0J
R43
100J
R43
100J
R55
0J(N.M.)
R55
0J(N.M.)
TP230
TP230
TP164
TP164
BR37
10kX4
BR37
10kX4
1
8
2
7
3
6
4
5
R47
10KJ
R47
10KJ
C29
0.1uF
C29
0.1uF
C25
1000pF
C25
1000pF
R58
100J
R58
100J
R66 1MJ(N.M.)
R66 1MJ(N.M.)
C47
1000pF
C47
1000pF
TP168
TP168
R29
100J
R29
100J
R48
10KJ(N.M.)
R48
10KJ(N.M.)
BR35
10kX4
BR35
10kX4
1
8
2
7
3
6
4
5
TP165
TP165
TP204
TP204
C12
0.1uF
C12
0.1uF
TP239
TP239
TP156
TP156
C36
1000pF(N.M.)
C36
1000pF(N.M.)
TP261
TP261
C8
0.1uF
C8
0.1uF
BR17
20kX4
BR17
20kX4
1
8
2
7
3
6
4
5
TP159
TP159
TP161
TP161
C11
0.1uF
C11
0.1uF
TP162
TP162
TP150
TP150
TP155
TP155
TP136
TP136
TP152
TP152
TP157
TP157
TP153
TP153
TP148
TP148
TP154
TP154
TP160
TP160
BR6
10kX4
BR6
10kX4
1
8
2
7
3
6
4
5
TP137
TP137
C30
0.1uF
C30
0.1uF
R39
10KJ(N.M.)
R39
10KJ(N.M.)
C22
1000pF
C22
1000pF
C37
1000pF
C37
1000pF
R28
100J
R28
100J
C6
0.1uF
C6
0.1uF
TP146
TP146
R50
10KJ(N.M.)
R50
10KJ(N.M.)
C32
22pF
C32
22pF
TP145
TP145
R36
0J
0J
R36
0J
0J
BR40
10kX4
BR40
10kX4
1
8
2
7
3
6
4
5
TP135
TP135
C21
1000pF
C21
1000pF
C54
0.1uF(N.M.)
C54
0.1uF(N.M.)
BR5
10kX4
BR5
10kX4
1
8
2
7
3
6
4
5
R56
0J(N.M.)
R56
0J(N.M.)
BR34
10kX4
BR34
10kX4
1
8
2
7
3
6
4
5
C24
1000pF
C24
1000pF
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