Sharp ER-A410 Service Manual

ER-A410/ER-A420 CIRCUIT DIAGRAM AND PWB LAYOUT
– 24 –
A0 A2 A4
A3 A1 A5
D0 D2 D4 D6
D1 D3 D5 D7
/RD
/CS3
/WR
VCCVCC
/EFTRES
1 3 5 7 9
11 13 15 17 19 21 23 25 27 29 31 33 35 37 39
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
CN5
EFT CN(40Pin) XF2H-4015-1
D[0..7]
DB[0..7]
D7
DB3
D2
DB7
DB2
D1
DB1
D5
D3
D6
D0
DB5 DB6
D4
DB0
DB4
P94
VCC
QE
1
Q0
2
D0
3
D1
4
Q1
5
Q2
6
D2
7
Q3
9
GND
10
D3
8
VCC
20
Q7
19
D7
18
D6
17
Q5
15
Q6
16
D5
14
D4
13
Q4
12
LE
11
IC23
74HC374
C82
0.1uF
C83 10uF/50V
A0 A1
A0 A1
D[0..7]
VCC
VCC
/WR
VCC
A
1
B
2
C
3
G2A
4
G2B
5
G1
6
Y7
7
GND
8
VCC
16
Y6
9
Y5
10
Y4
11
Y3
12
Y2
13
Y1
14
Y0
15
IC22
74HC138
/LE0W /LE1W /LE3W
/LE0W
C81
10uF/50V
R92
10K
C90
0.1uF
C94
100pF
/LE0R /LE1R
A3
A3
/WR /RD
9 10
8
IC13C 74LV00A
/CS3
/CS3
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
IC27 74HC244
C93
100pF
R98
10K
/CI2
/CTS2
/DR2 /CD2
KR8 KR9
KR10 KR11
*IC27 20Pin:VCC
10Pin:GND
/LE2R
DB7
D2 D7
DB1
D5
DB2
D6 D1
DB5
D3 D4
DB4 DB0 DB3
D0
DB6
VCC
DIR
1
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A8
9
GND
10
A7
8
VCC
20
1G
19
B1
18
B2
17
B4
15
B3
16
B5
14
B6
13
B7
12
B8
11
IC24
74HC245
/LE2W
C84
0.1uF
C85 10uF/50V
D0 D1 D2 D3 D0 D1 D2 D3
/LE1W
P95
VCC
VLED
P95
R90 5.6K
2 1
4 5
3
IC21 BA00ASFT
C80
22uF/16V
R96
2.4KF
R97 10K
C92
22uF/10V,OS
/DR2 /CD2
/CTS2
RXD2 /CI2
/EFTC/POFF
EFTSD /EFTER
/EFTRS
P96
P96
R94 12K
K GND VCC RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 V0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
CN4
LCD CN(16Pin)5483-16X
RS E R/W
D5
D1
D4
D2 D0 D3
D6
VCC
VCC
QE
1
Q0
2
D0
3
D1
4
Q1
5
Q2
6
D2
7
Q3
9
GND
10
D3
8
VCC
20
Q7
19
D7
18
D6
17
Q5
15
Q6
16
D5
14
D4
13
Q4
12
LE
11
IC25 74HC374
C86
0.1uF
C87
10uF/50V
D7
E RS R/W
KS0 KS1 KS2 KS3
KS0 KS1 KS2 KS3
C88
100pF
R95 10K
C91
100pF
R93 10K
KR7
D2 D7
KR1
D5
KR2
D6 D1
KR5
D3 D4
KR4 KR0 KR3
D0
KR6
VCC
DIR
1
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A8
9
GND
10
A7
8
VCC
20
1G
19
B1
18
B2
17
B4
15
B3
16
B5
14
B6
13
B7
12
B8
11
IC26
74HC245
/LE3R
VCC
KR0 KR1 KR2 KR3 KR4 KR5 KR6 KR7
C89
0.1uF
A B
C D
8 7 6 5 4
3
2 1
12345678
D C
B A
LCD
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Sharp ER-A410 Specifications

General

Paper Width	58mm
Departments	99
Display	LCD
Printer	Thermal
PLUs	2000
Power Source	120V AC
Cash Drawer	5 bill
Weight	Approximately 11 kg