Wiring Connection Diagram - Epson DFX-9000 Service Manual

Serial impact dot matrix printer
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EPSON DFX-9000

7.2.2 Wiring connection diagram

ROM Board
1
SG1
2
XPST42V
3
XPST37V
F1
4
+5V
F2
1
+37V
2
+42V
3
+42V
4
SG3
5
SG2
6
+42V
7
SG3
8
SG3
F3
1
INLKIN
2
3
4
+42V
1
LFDVA
2
LFDVB
3
LFDVC
4
LFDVD
5
LFCOM1
6
LFCOM2
1
CR_W
2
CR_V
3
CR_U
1
+5V
2
SG1
3
CR_C3
4
CR_C2
5
CR_C1
6
+5V
7
CRTHSN
Figure 7-2. Power Supply, LF Motor, SP Motor
Appendix
Power Unit
1
SG2
2
+42V
3
SG2
SG2
4
5
*37VST
6
SG1
+37V
7
+42V
8
9
+42V
10
SG2
11
*42VST
12
+5V
1
F1
H1
2
N1
3
AC SW ASY
INLK
LF
M
INLET ASY
Motor
SP
Motor
M
Electrical system connections
Print Head
ROM Board
36L
THSN1
1
FR7DV
2
FR5DV
3
4
FR3DV
FR1DV
5
TH1
FR9DV
6
+42V
7
+42V
8
+42V
9
+42V
10
TH2
11
12
+42V
13
+42V
14
+42V
15
+42V
16
17
+42V
FL2DV
18
FL4DV
19
20
FL6DV
FL8DV
21
22
1
FL7DV
2
FL5DV
3
FL3DV
4
FL1DV
5
FL9DV
6
+42V
7
+42V
8
+42V
9
+42V
10
11
12
+42V
13
+42V
14
+42V
15
16
+42V
+42V
17
FR8DV
18
FR2DV
19
FR4DV
20
FR6DV
21
SG1
22
1
RR7DV
2
RR5DV
3
RR3DV
4
RR1DV
5
RR9DV
6
+42V
7
8
+42V
+42V
9
+42V
10
11
12
+42V
13
+42V
14
+42V
15
OP_CLK
+42V
16
OP_XRST
+42V
17
SG1
RL2DV
18
+5V
RL4DV
19
OP_SDIN
RL6DV
20
OP_LOAD
RL8DV
21
SG1
22
OP_SHIFT
OP_DOT
THSN2
1
SG1
RL7DV
2
RL5DV
3
RL3DV
4
RL1DV
5
RL9DV
6
+42V
7
+42V
8
9
+42V
+42V
10
11
12
+42V
13
+42V
14
+42V
15
+42V
16
+42V
17
RR8DV
18
RR2DV
19
RR4DV
20
RR6DV
21
22
Figure 7-3. OP Unit, Print Head
Revision B
Carrier PCB
1
SG1
SG1
22
2
TOF_ON
TOF_ON
21
3
SG1
SG1
20
4
19
+5V
+5V
5
SG1
SG1
18
6
TOFRS
TOFRS
17
+5V
7
SG1
SG1
16
CES1
8
CES2-AX
CES2-AX
15
9
SG1
SG1
14
IC7
10
CES2-A
CES2-A
13
SG1
SG1
CES2
11
12
12
LES
LES
11
SG1
13
SG1
SG1
10
14
CES1-A
CES1-A
9
15
SG1
SG1
8
16
CES1-AX
CES1-AX
7
+5V
17
6
SG1
SG1
LES
18
TOFLS
TOFLS
5
19
SG1
SG1
4
20
3
+5V
+5V
SG1
21
SG1
SG1
2
TOF_ON
TOF_ON
22
1
CNTOFL
CNTOFL
TOFL
TOFR
OP Board
1
1
BZCLK
2
2
*OPREST
3
3
SG1
4
4
+5V
5
5
*SDIN
6
6
*LOAD
7
7
8
8
*SHIFT
9
9
*OPDOT
10
10
SG1
CES
LES
CNTOFR
CNTOFR
287

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