Sharp ER-A410 Service Manual

ER-A410/ER-A420 CIRCUIT DIAGRAM AND PWB LAYOUT
– 21 –
VCC
C42 0.1uF
VDD
C46 0.1uF
C65
(10uF/50V)
7pin:GND
4 5
6
IC12B 74LV00A
9 10
8
IC12C 74LV00A 12
13
11
IC12D 74LV00A
*IC12 14pin:VDD
A8 A9 A10 A11 A12 A13 A14 A15 A16 A17
VCC
A19
D[0..7]
R35 10K
R36 10K
R37 10K
R38 10K
R39 10K
R40 10K
R41 10K
C33 C34 C35 C36 C37 C38 C39
VCC
A18
R62 10K
R63 10K
C45
150pF
VDD
/CS1
BA1 A15
1 2
3
IC12A 74LV00A
VCC
R12 10K
R13 10K
R14 10K
R15 10K
R16 10K
R32 10K
R33 10K
R34 10K
C15 C16 C17 C18 C19
C30
150pF*10(C30-C39)
C31 C32
C44
150pF
A0 A1 A2 A3 A4 A5 A6 A7 JAS JBS
VCC
VCC
R9 10K
R10 10K
R11 10K
C12 C13 C14
RAS RBS RCS RDS JCS JDS
R542.2K R55 2.2K R56 2.2K R57 2.2K R58 2.2K R59 2.2K R60 2.2K R61 2.2K
150pF*8(C12-C19)
D0 D1 D2 D3 D4 D5 D6 D7
R17 10K
R18 10K
R19 10K
R20 10K
R21 10K
R22 10K
R23 10K
R24 10K
C20 C21 C22 C23 C24 C25 C26 C27
TM VPTEST
/STRB4 /STRB3 /STRB2 /STRB1
VCC
/LATCH
R69R70
10Kx5
R71 R72 R73
C53
330pFx5
C54 C55
C56 C57
VREF
IPLON
VDD
R77 10K
100pF*8(C20-C27)
VDD
R25 100 R26 100 R27 100 R28 100 R29 100 R30 100 R52 100 R53 100
D7
81
D 8
8 0
D6
82
D5
83
D4
84
D3
85
D2
86
D1
87
D0
88
AN7
89
AN6
90
AN5
91
AN4
92
AN3
93
AN2
94
AN1
95
AVSS
96
AN0
97
VREF
98
AVCC
99
SIN4
100
S O U T 4
1
C L K 4
2
T B 4 I N
3
T B 3 I N
4
S O U T 3
5
S I N 3
6
C L K 3
7
B Y T E
8
C N V S S
9
X C I N
1 0
X C O U T
1 1
R E S E T
1 2
X O U T
1 3
V S S
1 4
X I N
1 5
V C C
1 6
N M I
1 7
I N T 2
1 8
I N T 1
1 9
I N T 0
2 0
T A 4 I N / U
2 1
T A 4 O U T / U
2 2
T B 3 I N
2 3
T B E O U T
2 4
T A 2 I N W
2 5
T A 2 O U T W
2 6
T A 1 I N / V
2 7
T A 1 O U T / V
2 8
T B 5 I N
2 9
T B 5 O U T
3 0
D 9
7 9
D 1 0
7 8
D 1 1
7 7
D 1 2
7 6
D 1 3
7 5
D 1 4
7 4
D 1 5
7 3
A 0
7 2
A 1
7 1
A 2
7 0
A 3
6 9
A 4
6 8
A 5
6 7
A 6
6 6
A 7
6 5
V S S
6 4
A 8
6 3
V C C
6 2
A 9
6 1
A 1 0
6 0
A 1 1
5 9
A 1 2
5 8
A 1 3
5 7
A 1 4
5 6
A 1 5
5 5
A 1 6
5 4
A 1 7
5 3
A 1 8
5 2
A 1 9
5 1
CS0
50
CS1
49
CS2
48
CS3
47
WR
46
BHE
45
RD
44
CBCLK
43
HLDA
42
HOLD
41
ALE
40
CLKOUT
39
RTS0
38
CLK0
37
RXD0
36
TXD0
35
CLKS1
34
CLK1
33
RXD1
32
TXD1
31
IC3
M30620SAFP
VCCVCC
VCC
VCC
A[0..19]
VCC
R42 10K
R43 10K
R44 10k
R45 47K
R46 47K
R47 47K
R48
10K
C40 30pF
/CS0 /CS2
/WR /RD
/CS3
SI
SO PCLK
R65
10K
R66
10K
/LE0W
/CS1
R67 10K
C58
100pF
VDD
R78 10K
C66
100pF
C67 100pF
R79
47K
/RS2 DRAWER1
/RDY
/RS1
/EFTRES
RXD2
TXD2
RXD1
TXD1
R80 47K
BCLK
VCC
R143 (10k)
A7 A6 A5 A4 D2 D3 D6 D7
A8 A9 A11
A12
A13
A14 A16
VDD
D0 D1 D4 D5
c d e f g
dp
dp
c d e f g
VCC:20pin GND:10pin
VCC
a b
a b
R50
10K
/WR
C63
(30pF)
D1
3
D2
4
D3
7
D4
8
D5
13
D6
14
D7
17
D8
18
CLK
11
CLR
1
Q1
2
Q2
5
Q3
6
Q4
9
Q5
12
Q6
15
Q7
16
Q8
19
IC6 74HC273
/POFF /RES
A18
A17 /CS2
*IC6
D6
1SS355
A18
1
A16
2
A14
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
VCC
32
A15
31
A17
30
WR
29
A13
28
A8
27
A9
26
A11
25
RD
24
A10
23
CS
22
D7
21
D6
20
D5
19
D4
18
D3
17
IC16 4MRAM HY628400ALLT2-70
1 2 13
12
IC9A 74LV11A
D14
1SS355
VCC
R144
10K
A3 A2 A1 A0 D0 D1 D2
D3 D4 D5 D6 D7 A10
VCC
R51
10K
/RD
C64 (30pF)
VDD
R81 10k
C69 100pF
7pin:GND
1 2
3
IC14A 74LV00A
7pin:GND *IC14 14pin:VDD*IC8 14pin:VDD
1 2 13
12
IC8A 74LV27A
3 4 5
6
IC8B 74LV27A
9 10 11
8
IC8C 74LV27A
VHCOM
VDD
R49
470
BZ1
PIEZO BZ
C41
0.1uF
R642.2K
C60
10uF/10V,FX
DRAWER2 /ER1
/CD1 /DR1
/CS1 /CS2 /CS0 A19 BA1 A18
/CTS1
C70
330pF
C71
(330pF)
C72
330pF
/ER2
/EFTC /POFF
P95 P96
X1
32.768KHz
R31
330
C28
18pF
C29
27pF
VCC
P94 P91 P90
BA0 BA1
R74 33
R75 (0)
2
31
X3
(CST12.0MTW)
10K
10K
/RESET
PLACE NEAR CPU!!!
/RES
R76 470
C68 0.1uF
C59 10uF/10V,OS
C48
330pF
R68
3.3K
2
3 1
X2
CST12.0MTW
XIN
1
XOUT
2
S1
3
LF
4
VSS
5
FSOUT
6
S0
7
VDD
8
IC4 FS781
C47 0.1uF
A18 A19
VCC
BA1
12 13
11
IC14D 74LV00A
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
IC10 74LV138A
/CS0
BA23
C52
(0.1uF)
VDD
VCC
NOT INSTALL
C43 0.1uF
C62
(10uF/50V)
4 5
6
IC14B 74LV00A
9 10
8
IC14C 74LV00A
12 13
11
IC13D (74LV00A)
C61
10uF/10V,OS
A B
C D
8 7 6 5 4
3
2 1
12345678
D C
B A
MAIN PWB CPU
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CHAPTER 7. CIRCUIT DIAGRAM AND PWB LAYOUT

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