Epson 2070 Service Manual - Page 157

Table A-13. Connector Pin Assignments - CN14, Table A-14. Connector Pin Assignments - CN15, Table A-

Get Epson 2070 - LQ B/W Dot-matrix Printer PDF manuals and user guides
UPC - 010343812277
View all Epson 2070 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 157 highlights

LQ-2070 Service Manual Table A-13. Connector Pin Assignments - CN14 Pin I/O Signal Name Function 1 -- +35V 2 -- +5V 3 O HOLD 4 -- +35V 5 O -A 6 OB 7 -- GND 8 -- GND 9 OA 10 O -B +35 VDC line +5 VDC line CSF motor hold signal +35 VDC line CSF motor phase -A CSF motor phase B Signal GND Signal GND CSF motor phase A CSF motor phase -B Table A-14. Connector Pin Assignments - CN15 Pin I/O Signal Name Function 1 I COPEN 2 O PAUSEL 3 -- +5V 4 O POUTL 5 O RESRVL 6 I PAUSSW 7 O TBIN2L 8 O TBIN1L 9 O PITC2L 10 O PITC1L 11 -- FONT3L 12 O FONT2L 13 O FONT1L 14 -- GND 15 -- GND 16 I FONTSW 17 I PITCSW 18 I TBINSW 19 I PSC 20 I LDEJSW 21 I LFFFSW 22 -- FG Case open sensor signal Pause LED signal +5 VDC line Paper out LED signal Pitch select LED Pause button signal Tear off/ bin select LED Tear off/ bin select LED Pitch select LED Pitch select LED Not connected Font LED Font LED Signal GND Signal GND Font button signal Pitch button signal Tear off/ bin signal Operate button signal Load / Eject button signal LF / FF button signal Frame GND Table A-15. Connector Pin Asssignments- CN16 Pin I/O Signal Name Function 1 I RELEASE2 Release sensor 2 signal 2 -- GND Signal GND Appendix Rev.A A-9

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
Table A-13. Connector Pin Assignments – CN14
Pin
I/O
Signal Name
Function
1
—-
+35V
+35 VDC line
2
—-
+5V
+5
VDC line
3
O
HOLD
CSF motor hold signal
4
—-
+35V
+35 VDC line
5
O
-A
CSF motor phase -A
6
O
B
CSF motor phase B
7
—-
GND
Signal GND
8
—-
GND
Signal GND
9
O
A
CSF motor phase A
10
O
-B
CSF motor phase -B
Table A-14. Connector Pin Assignments – CN15
Pin
I/O
Signal Name
Function
1
I
COPEN
Case open sensor signal
2
O
PAUSEL
Pause LED signal
3
—-
+5V
+5 VDC line
4
O
POUTL
Paper out LED signal
5
O
RESRVL
Pitch select LED
6
I
PAUSSW
Pause button signal
7
O
TBIN2L
Tear off/ bin select LED
8
O
TBIN1L
Tear off/ bin select LED
9
O
PITC2L
Pitch select LED
10
O
PITC1L
Pitch select LED
11
—-
FONT3L
Not connected
12
O
FONT2L
Font LED
13
O
FONT1L
Font LED
14
—-
GND
Signal GND
15
—-
GND
Signal GND
16
I
FONTSW
Font button signal
17
I
PITCSW
Pitch button signal
18
I
TBINSW
Tear off/ bin signal
19
I
PSC
Operate button signal
20
I
LDEJSW
Load / Eject button signal
21
I
LFFFSW
LF / FF button signal
22
—-
FG
Frame GND
Table A-15. Connector Pin Asssignments- CN16
Pin
I/O
Signal Name
Function
1
I
RELEASE2
Release sensor 2 signal
2
—-
GND
Signal GND
LQ-2070 Service Manual
Appendix
Rev.A
A-9