Read Sharp ER-A310 (serv.man2) Service Manual online
No.
PIN NAME
ER-A310
ER-A330
I/O
ACTIVE
SIGNAL NAME
DESCRIPTION
SIGNAL NAME
DESCRIPTION
43
P30
/WE
Write signal
/WE
Write signal
O
L
44
P03
RMS
NU
RMS
NU
I
45
P02
R
Printer reset signal
DRS
Drawer open sensor
I
46
P01
T
Printer timing signal
α
Printer timing signal
I
↑
H
47
P00
PE
Power enable signal
PE
Power enable signal
I
H
48
IC
IC
VSS
IC
VSS
49
P72
SM3
Printer step motor drive signal 3
P72
NU
O
H
50
P71
SM2
Printer step motor drive signal 2
MG10
Printer magnet 10
O
H
51
P70
SM1
Printer step motor drive signal 1
MG9
Printer magnet 9
O
H
52
VDD
VDD
+5V
VDD
+5V
53
P127
DRS
Drawer open sensor (input)
R-COM
Printer receipt common signal
O
H
54
P126
HCOM
Printer hammer common signal
J-COM
Printer journal common signal
O
H
55
P125
J1
Mode signal (ER-A310: GND)
J1
Mode signal (ER-A330: VDD)
I
H
56
P124
DR1
Standard drawer drive signal
DR1
Standard drawer drive signal
O
H
57
P123
KR4
Key return signal 4
KR4
Key return signal 4
I
H
58
P122
KR3
Key return signal 3
KR3
Key return signal 3
I
H
59
P121
KR2
Key return signal 2
KR2
Key return signal 2
I
H
60
P120
KR1
Key return signal 1
KR1
Key return signal 1
I
H
61
P117
A14
RAM Address 14
A14
RAM Address 14
O
62
P116
A13
RAM Address 13
A13
RAM Address 13
O
63
P115
A12
RAM Address 12
A12
RAM Address 12
O
64
P114
A11
RAM Address 11
A11
RAM Address 11
O
65
P113
A10
RAM Address 10
A10
RAM Address 10
O
66
P112
A9
RAM Address 9
A9
RAM Address 9
O
67
P111
A8
RAM Address 8
A8
RAM Address 8
O
68
P110
DR2
Option drawer drive signal
DR2
Option drawer drive signal
O
H
69
P107
DP/ST8
Display segment signal DP
DP/ST8
Display segment signal DP
O
H
Key strobe signal 8
Key strobe signal 8
70
P106
G/ST7
Display segment signal G
G/ST7
Display segment signal G
O
H
Key strobe signal 7
Key strobe signal 7
71
VLOAD
VLOAD
VSS
VLOAD
VSS
72
P105
F/ST6
Display segment signal F
F/ST6
Display segment signal F
O
H
Key strobe signal 6
Key strobe signal 6
73
P104
E/ST5
Display segment signal E
E/ST5
Display segment signal E
O
H
Key strobe signal 5
Key strobe signal 5
74
P103
D/ST4
Display segment signal D
D/ST4
Display segment signal D
O
H
Key strobe signal 4
Key strobe signal 4
75
P102
C/ST3
Display segment signal C
C/ST3
Display segment signal C
O
H
Key strobe signal 3
Key strobe signal 3
76
P101
B/ST2
Display segment signal B
B/ST2
Display segment signal B
O
H
Key strobe signal 2
Key strobe signal 2
77
P100
A/ST1
Display segment signal A
A/ST1
Display segment signal A
O
H
Key strobe signal 1
Key strobe signal 1
78
P97
DIG10
Display digit signal 10
DIG10
Display digit signal 10
O
H
79
P96
DIG9
Display digit signal 9
DIG9
Display digit signal 9
O
H
80
P95
DIG8
Display digit signal 8
DIG8
Display digit signal 8
O
H
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