Epson FX 1170 Service Manual - Page 133

Function, Not equipped, FONT LED, CONDENSED LED, PAUSE, PAPER FEED BUTTON, OPERATE, Signal Ground

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REV.-A Table A-8. CN8 (BOARD ASSEMBLY, C094 MAINI - No Function - 1 o HD2 2 o C246 3 o HD6 4 o HD8 5 o HD4 5 o HD9 7 I TMP 3 o C789 3 o TMP I 10 o HDI 11 o HD3 12 o HD5 13 o HD7 14 o C135 - Head Data 2 Head Drive Common Head Data 6 Head Data 8 Head Data 4 Head Data 9 Head Temperature Head Drive Common Head Temperature Head Data 1 Head Data 3 Head Data 5 Head Data 7 Head Drive Common Table A-9. CN9 (BOARD ASSEMBLY, C094 MAIN) No. 1/0 Signal Name Function 12I 3I GND PER LED Signal Ground Paper End, REAR Paper End, LED Table A-n. CN13 (BOARD ASSEMBLY, C094 MAIN) ., f No. 1/0 Signal Name Function 1 0 CR A 2 0 CR ~ 3 0 CR B 4 0 CR ~ 5 0 CRCOM CR Motor Phase A CR Motor Phase ~ CR Motor Phase B CR Motor Phase ~ CR Motor Common Table A-12. CN14 (BOARD ASSEMBLY, C094 MAIN) No. 1/0 Signal Name Function 12345678910 11 - +5 +5 GND GND GND GP GP GP +35 +35 Psc +5 VDC +5 VDC Signal Ground Signal Ground Signal Ground Power Ground Power Ground Power Ground +35 VDC +35 VDC Power Switch Signal Table A-10. CN12 (BOARD ASSEMBLY, C094 MAIN) No 1/0 Signal Name Function f...-'.,.: 1 2o 30 40 50 6I 7I 8I 9I 10 +5 READY STAT FONT COND PAUSE FONT PFEED OPERA GND +5 VDC READY LED STAT LED (Not equipped FONT LED CONDENSED LED PAUSE BUTTON FONT BUITON PAPER FEED BUTTON OPERATE BUTTON Signal Ground A-4

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REV.-A
Table A-8.
CN8
(BOARD ASSEMBLY,
C094
MAINI
—
No
—
1
2
3
4
5
5
7
3
3
10
11
12
13
14
—
o
HD2
o
C246
o
HD6
o
HD8
o
HD4
o
HD9
I
TMP
o
C789
o
TMP
I
o
HDI
o
HD3
o
HD5
o
HD7
o
C135
Function
Head Data 2
Head Drive Common
Head Data 6
Head Data 8
Head Data 4
Head Data 9
Head Temperature
Head Drive Common
Head Temperature
Head Data 1
Head Data 3
Head Data 5
Head Data 7
Head Drive Common
Table A-9.
CN9
(BOARD ASSEMBLY,
C094
MAIN)
No.
1/0
Signal Name
Function
1
-
GND
Signal Ground
2
I
PER
Paper End, REAR
3
I
LED
Paper End, LED
Table
A-10.
CN12
(BOARD ASSEMBLY,
C094
MAIN)
No
1
2
3
4
5
6
7
8
9
10
1/0
o
0
0
0
I
I
I
I
Signal Name
+5
READY
STAT
FONT
COND
PAUSE
FONT
PFEED
OPERA
GND
Function
+5
VDC
READY LED
STAT LED
(Not equipped
FONT LED
CONDENSED LED
PAUSE
BUTTON
FONT
BUITON
PAPER FEED BUTTON
OPERATE
BUTTON
Signal Ground
Table A-n.
CN13
(BOARD ASSEMBLY,
C094
MAIN)
.,
f
No.
1/0
Signal Name
Function
1
0
CR A
CR Motor Phase A
2
0
CR
~
CR Motor Phase
~
3
0
CR B
CR Motor Phase B
4
0
CR
~
CR Motor Phase
~
5
0
CRCOM
CR Motor Common
Table A-12.
CN14
(BOARD ASSEMBLY,
C094
MAIN)
No.
1/0
Signal
Name
Function
1
-
+5
+5
VDC
2
-
+5
+5
VDC
3
-
GND
Signal Ground
4
-
GND
Signal Ground
5
-
GND
Signal Ground
6
-
GP
Power Ground
7
-
GP
Power Ground
8
-
GP
Power Ground
9
-
+35
+35
VDC
10
-
+35
+35
VDC
11
-
Psc
Power Switch Signal
.-
f.’
..:
...,
A-4