Epson C117001-N Service Manual - Page 179

Table A-12., Cl 17, Power Supply Board Assembly, Table A-13. CN2, Cl 17 MAIN Board Assembly

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DFX-5000+ Service Manual Table A-1 1. CN1O, Cl 17 MAIN Board Assembly Pin No. 1/0 Name 1 GND 2 0 +5V 3 i ENC-A 4 I ENC-B Description Ground Power source for CR sensor (encoder) Encoder pulse phase A input Encoder pulse phase B input Appendix Table A-12. CN1, Cl 17 PSB/PSE Power Supply Board Assembly Pin No. 1/0 Name Description 1 I L 2 3 N Line Not connected Neutral Table A-13. CN2, Cl 17 PSB/PSE Power Supply Board Assembly Pin No. I 1/0 I Name I Description 1,2 0 +35V 12A +35 VDC for the main board for six of the nine printhead pins (1 ,3,5,7,8 and 9) 3-6 - GP Ground for +35 VDC I o I 7,8 +35V / 2A I +35 VDC for the main board for three of the nine printhead pins (2,4 and 6) and the motors I Table A-14. CN3, Cl 17 PSB/PSE Power Supply Board Assembly Pin No. 1/0 Name Description 1 I VPC OK for +35 VDC voltage output (used in conjunction with DRERR) 2 I DRERR Driver error signal to prohibit +35 VDC voltage (head driver broken) 3 0 CLIMIT I I 4 0 -12V I I I 5 0 +12V I I Voltage drop detection signal (sent to main board) 1 Supply for the serial interface circuit on the main board I Supply for the serial interface circuit on the main board I I Ground for logic I 8,9 0 +5V Supply for the logic circuit on the main board Table A-15. CN4, Cl 17 PSB/PSE Power Supply Board Assembly Pin No. 1/0 Name 1 0 FAN 2 FG +35 VDC Frame ground Description Rev. A A-7

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DFX-5000+
Service Manual
Appendix
Table A-1 1. CN1O, Cl 17 MAIN Board Assembly
Pin No.
1/0
Name
Description
1
GND
Ground
2
0
+5V
Power source for CR sensor (encoder)
3
i
ENC-A
Encoder pulse phase A input
4
I
ENC-B
Encoder pulse phase B input
Table A-12.
CN1,
Cl 17
PSB/PSE
Power Supply Board Assembly
Pin No.
1/0
Name
Description
1
I
L
Line
2
Not connected
3
N
Neutral
Table A-13. CN2, Cl 17
PSB/PSE
Power Supply Board Assembly
Pin No.
I
1/0
I
Name
I
Description
1,2
0
+35V
12A
+35
VDC
for the main board for six of the nine
printhead
pins (1 ,3,5,7,8 and 9)
3-6
-
GP
Ground for +35
VDC
7,8
I
o
I
I
+35
VDC
for the main board for three of the nine
+35V
/
2A
printhead
pins (2,4 and 6) and the motors
I
Table A-14. CN3, Cl 17
PSB/PSE
Power Supply Board Assembly
Pin No.
1/0
Name
Description
1
I
VPC
OK for +35
VDC
voltage output (used in conjunction
with
DRERR)
2
I
DRERR
Driver error signal to prohibit +35
VDC
voltage (head
driver broken)
3
0
CLIMIT
Voltage drop detection signal (sent to main board)
I
I
1
I
4
0
-12V
Supply for the serial interface circuit on the main board
I
I
I
5
0
+12V
Supply for the serial interface circuit on the main board
I
I
I
I
Ground for
logic
I
8,9
0
+5V
Supply for the logic circuit on the main board
Table A-15. CN4, Cl 17
PSB/PSE
Power Supply Board Assembly
Pin No.
1/0
Name
Description
1
0
FAN
+35
VDC
2
FG
Frame ground
Rev.
A
A-7