Read Sharp UP-3500 (serv.man29) Service Manual online
UP-3500 (V)
CIRCUIT DIAGRAM
– 46 –
Intersil ICL 3241
<RS232 ch1>
Intersil ICL 3241
<RS232 ch2>
FPGA
FPGA
modified 07,06,09
modified 07,06,09
MODIFIED 07,10,12
MODIFIED 07,10,12
MODIFIED 07,10,12
MODIFIED 07,10,12
MODIFIED 07,10,12
RS1_SIN
RS1_RI#
RS1_RTS#
RS1_DCD#
RS1_CTS#
RS1_DTR#
RS1_DSR#
RS1_SOUT
RS2_DSR#
RS2_DCD#
RS2_RI#
RS2_DTR#
RS2_SOUT
RS2_SIN
RS2_CTS#
RS2_RTS#
RS1_CTS#
RS1_SOUT
RS1_DTR#
RS1_RTS#
RS1_DSR#
RS1_DCD#
RS1_SIN
RS1_RI#
RS2_SOUT
RS2_DTR#
RS2_DSR#
RS2_SIN
RS2_RTS#
RS2_CTS#
RS2_DCD#
RS2_RI#
FPGA_SIN1
FPGA_CTS2
FPGA_DCD2
FPGA_RTS2
FPGA_RTS1
FPGA_RI1
FPGA_RI2
FPGA_DCD1
FPGA_CTS1
FPGA_SOUT1
FPGA_DTR1
FPGA_DSR2
FPGA_DTR2
FPGA_DSR1
FPGA_SIN2
FPGA_SOUT2
3.3V
5V
5V_2
3
2
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
GND-FRAME
5V
GND-FRAME
5V_2
3
2
GND-FRAME
GND-FRAME
GND-FRAME
+
C101
10uF/50V
1
2
R228
33
R225
33
C118
100pF
R230
33
C115
0.1uF
R411
0
C109
100pF
R427
0 (3216)
1
2
R422
0 (3216)
1
2
CN12
RS232C CN(D-SUB 9Pin)
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
R229
33
C110
100pF
R423
0 (3216)
1
2
R412
0
C111
0.1uF
C105
0.1uF
C113
0.1uF
SP14
(SHORT PIN & SOCKET)
1
3
2
C106
100pF
R224
33
R227
33
C107
100pF
IC14
ICL3241ECA-1
28
24
1
2
14
13
12
21
19
18
17
16
15
23
25
26
27
3
9
10
11
20
4
5
6
7
8
22
C1+
C1-
C2+
C2-
T1in
T2in
T3in
R1outB
R1out
R2out
R3out
R4out
R5out
EN#
GND
VCC
V+
V-
T1out
T2out
T3out
R2outB
R1in
R2in
R3in
R4in
R5in
SHDN#
C120
100pF
C100
0.1uF
CN24
RS232C CN(D-SUB 9Pin)
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
+
C112
10uF/50V
1
2
C108
100pF
R223
33
R426
0 (3216)
1
2
C119
100pF
R424
0 (3216)
1
2
F13
T500mA/250V
IC15
ICL3241ECA-1
28
24
1
2
14
13
12
21
19
18
17
16
15
23
25
26
27
3
9
10
11
20
4
5
6
7
8
22
C1+
C1-
C2+
C2-
T1in
T2in
T3in
R1outB
R1out
R2out
R3out
R4out
R5out
EN#
GND
VCC
V+
V-
T1out
T2out
T3out
R2outB
R1in
R2in
R3in
R4in
R5in
SHDN#
C102
0.1uF
C104
0.1uF
R222
33
C103
0.1uF
SP9
(SHORT PIN & SOCKET)
1
3
2
C117
100pF
R221
33
C121
100pF
C114
0.1uF
R231
33
C116
0.1uF
RS232 ch1-2
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
8/16
RS232C DRIVER (CH-CH2)
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