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Sharp ER-A410 Service Manual

Sharp ER-A410
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ER-A410/ER-A420 CIRCUIT DIAGRAM AND PWB LAYOUT
– 23 –
VCC
D[0..7]
A[0..19]
VCC
BA0
A19
VDD
VCC
R89
10K
A
1
B
2
C
3
G2A
4
G2B
5
G1
6
Y7
7
GND
8
Y6
9
Y5
10
Y4
11
Y3
12
Y2
13
Y1
14
Y0
15
VCC
16
IC19
74LV138A
BA23
3
4
5
6
IC9B
74LV11A
IPLON
/CS0
BA1
C75
0.1uF
VCC
VCC
R87
10K
VDD
C79
0.1uF
2
3
1 ROM COPY
7Pin:GND
*IC9 14Pin:VDD
S1
IPL SW SSS312
9
10
11
8
IC9C
74LV11A
A1
A2
A3
A4
A5
A6
A7
A18
A8
A9
A11
A12
A13
A14
A15
A16
/WR
/RES
A16
1
A15
2
A14
3
A13
4
A12
5
A11
6
A9
7
A8
8
WE#
9
RP#
10
VPP
11
WP#
12
A18
13
A7
14
A6
15
A5
16
A4
17
A3
18
A2
19
A1
20
A17
40
GND
39
NC
38
NC
37
A10
36
DQ7
35
DQ6
34
DQ5
33
DQ4
32
VCC
31
VCC
30
NC
29
DQ3
28
DQ2
27
DQ1
26
DQ0
25
OE#
24
GND
23
CE#
22
A0
21
IC18
4M FLASH ROM LH28F004BVT
C74
0.1uF
C77
10uF/50V
A17
A10
D7
D6
D5
D4
D3
D2
D1
D0
A0
/RD
VCC
A14
A17
A18
A13
A11
A10
D3
D4
D5
D6
D7
/RD
VCC
C73
0.1uF
A9
A8
A0
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
D0
D1
D2
VCC
VPP
1
A16
2
A15
3
A12
4
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
D0
13
D1
14
D2
15
GND
16
D3
17
D4
18
D5
19
D6
20
D7
21
CE
22
A10
23
OE
24
A11
25
A9
26
A8
27
A13
28
A14
29
A17
30
A18/PGM
31
VCC
32
IC20
ROM SOCKET(32Pin)
/POFF
VCC VLED
R82
56K
R83
2.7K
R84
10KF
R85
9.1KF
R88
6.2KF
3
2
1
8
4
IC17A
BA10393F
5
6
7
8
4
IC17B
BA10393F
C76
1000pF
+24V
R86
3.9K
C78
(1uF/50V)
ZD2
UDZ5.1B
P-OFF
A
B
C
D
8 7 6 5 4
3
2 1
12345678
D
C
B
A
FROM
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Sharp ER-A410 Specifications

General IconGeneral
Paper Width58mm
Departments99
DisplayLCD
PrinterThermal
PLUs2000
Power Source120V AC
Cash Drawer5 bill
WeightApproximately 11 kg

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