AR-FX13. Service Manual - Sharp Copying Equipment Service Manual (repair manual). Page 59

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AR-FX13  CIRCUIT DIAGRAM  7 - 3
A1
8
A1
4
A1
9
A
8
A13
A
5
A12
A1
7
A10
A
9
A1
5
A1
6
A11
A20
A2
D
5
D
7
D0
D
4
D1
D
6
D2
D3
A0
D0
D
5
D
6
D
7
D
4
D3
D2
D1
A13
A
5
A10
A1
5
A1
6
A0
A2
A
4
A11
A1
4
A3
A12
A1
A
6
A
7
A
8
A
9
A
7
A
6
A3
A21
A1
7
A1
A
4
+3.3V
G
ND
G
ND
G
ND
G
ND
G
ND
BAT
+3.3V
G
ND
+3.3V
+3.3V
G
ND
G
ND
BAT
G
ND
G
ND
BAT
+3.3V
G
ND
G
ND
G
ND
G
ND
A
[21:
0]
D[
7
:0
]
F_R
Y
B
Y
WEL
CS_S
1
L
CS
_
F
L
OEL
CS_S
0
L
RESETL
RTC_
D
A
T
A
RTC_CLK
R
T
C_CE0H
CS_S
1
L
C_BT
L_BT-
F_WP
TP2
45
TP1
75
TP1
49
TP2
4
2
TP
68
TP130
R3
5
20k
TP21
5
TR2
KTC3
875
C
7
2
100pF
IC
9
CS1
6
LV102
4
3EIR
55
A0
20
A1
1
9
A2
1
8
A3
1
7
A
4
1
6
CE1
30
I/O0
21
I/O1
22
I/O2
23
I/O3
2
5
VCC
8
I/O
4
2
6
I/O
5
2
7
WE
5
A
5
1
5
A
6
1
4
A
7
13
A
8
3
NC
9
A12
12
A11
1
A10
31
A
9
2
VSS
2
4
CE2
6
OE
32
A13
4
A1
4
11
A1
5
7
A1
6
10
I/O
7
2
9
I/O
6
2
8
TP23
9
R
94
75
CN
4
B2B-
PH
-K
-S
1
2
TP1
5
2
TR
4
KTA1
5
0
4
TP
8
3
TP2
8
TP1
77
R3
6
1k
R
6
1k
D3
1SS3
55
C31
0.
1
u
F
+
C
74
A
47u
F/
2
5
V
TP21
6
TP1
76
C
94
0.
1
u
F
TP12
9
TP1
47
TP2
46
TP
7
2
TP1
97
TP
66
C
54
12pF
TP2
4
3
C
55
12pF
C
7
3
0.
1
u
F
TP1
56
TP2
4
0
TP1
94
TP1
96
TP1
95
C
5
1
1
8
pF(
N
.M
.)
TP2
47
R
7
3
10k
TR1
DTC3
6
3EKA
B
E
C
TP
67
TP1
9
3
R
5
100k
TP1
57
TP
85
TP1
46
C
5
2
12pF(
N
.M
.)
R
79
10k
TP32
TP1
8
0
TR3
KTA1
5
0
4
TP
7
0
TP1
55
R
6
1
1k
TP2
76
IC
5
SM
8578
BV
DATA
7
I/O-
1
CLK
6
CE
5
XT
2
XT-
3
VDD
8
VSS
4
TP1
79
IC
2
PST3
4
2
6
OUT
1
VCC
2
NC
3
G
ND
4
TP1
54
JP1
0R
TP2
74
TP21
7
TP1
78
TP2
44
TP1
5
3
BT1
HL
5
0-A
1
2
R3
8
3
6
0
TP2
4
1
X3
DT-
3
8
32.
768
KHz
1
4
2
3
C
59
0.
1
u
F
TP1
45
TP1
44
TP
69
TP
89
TP1
74
TP1
48
TP2
75
TP3
4
R
6
0
1k
TP
7
1
TP1
5
1
ZD
2
UDZ2.
0
B
IC
8
S2
9
AL01
6
D
7
0TFI020
A1
9
9
A1
8
1
6
A1
7
1
7
A1
6
48
A1
5
1
A1
4
2
A13
3
A12
4
A11
5
A10
6
A
9
7
A
8
8
A
7
1
8
A
6
1
9
A
5
20
A
4
21
A3
22
A2
23
A1
2
4
A0
2
5
DQ1
5
45
DQ1
4
4
3
DQ13
4
1
DQ12
3
9
DQ11
3
6
DQ10
3
4
DQ
9
32
DQ
8
30
DQ
7
44
DQ
6
4
2
DQ
5
4
0
DQ
4
3
8
DQ3
3
5
DQ2
33
DQ1
31
DQ0
2
9
CE
2
6
OE
2
8
WE
11
WP
1
4
RY/BY
1
5
VPP
13
BYTE
47
RP
12
VCC
3
7
G
ND
2
7
G
ND
46
NC
10
R3
7
56
0
TP
7
3
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
FAX
MAIN
PWB
(SRAM
&
FLASHROM
(16M))
(North
America)
3/6
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