Service Manual
APPENDIX
Appendix-4
7.4 7145 Overall Wiring Diagram (4/4)
1
A
B
C
D
E
F
G
H
I
A
B
C
D
E
F
G
H
I
23456789
1
23456789
TSL
Transfer
synchro-
nization
lamp
933:2 - 1
1 - 2
J02: 2 - 6
J02: 1 - 7
24-A15 DRIVE
24-A15 SGND
CB 2/2
SCB 3/3
USB
LAN
- 3 TXD
39- 1 DCD
- 2 RXD
- 4 DTR
- 5 GND
- 6 DSR
- 7 RTS
- 8 CTS
KRDS I/F
- 9 RI
BYPASS TRAY
966-3
-2
-1
PS17
APS sensor
64-2 PS
64-1 5V
64-3 SGND
64-4 SGND
64-6 5V
964-3
-2
-1
PS15
APS timing
sensor
64-5 PS
64-7 SGND
64-9 5V
963-3
-2
-1
Scanner home
position sensor
PS14
64-8 PS
M2
-2 V
Scanner motor
62-1 U
-3 W
931-4
-3
930-1 L.V.
-3 H.V.
Exposure lamp
INV1
L1
63-1 24V
-1
63-2 L1 CONT
63-3 L1 EM
63-4 PGND
96-1
96-3
97-3
97-1
-2
PGND 60- 2
N.C 60- 3
5V 60- 4
SGND 60- 5
J20: 2 - 9
J20: 4 - 7
J20: 7 - 4
4
7
9
1
for DCPS
24V 60- 1
2
3
5
6
8
10
for DCPS
J20:10 - 1
SD2
1st paper
feed
solenoid/L
923: 2 - 1
923: 1 - 2
25-A14 24V
25-A15 DRIVE
959-1
-3
-2
Upper limit
sensor/L
J03:11 - 1
J03:10 - 2
J03: 9 - 3
PS 10
24-A13 5V
24-A11 SGND
(J03:CT)
24-A12 PS
960-1
-3
-2
No paper
sensor/U
J03: 8 - 4
J03: 7 - 5
J03: 6 - 6
PS 11
24-A10 5V
24-A8 SGND
24-A9 PS
Tray set
sensor/L
961-1
-2
-3
PS 12
25-B15 5V
25-B13 SGND
J32:3 - 1
J32:2 - 2
J32:1 - 3
25-B14 PS
956-1
-3
-2
Upper limit
sensor
J01: 3 - 7
J01: 2 - 8
J01: 1 - 9
25-B5 PS
PS 7
25-B6 5V
25-B4 SGND
957-1
-3
-2
No paper
sensor
J01: 6 - 4
J01: 5 - 5
J01: 4 - 6
25-B8 PS
PS 8
25-B7 SGND
25-B9 5V
Tray set
sensor/U
958-1
-2
-3
25-B17 PS
PS 9
25-B16 SGND
25-B18 5V
J31:3 - 1
J31:2 - 2
J31:1 - 3
25-B11 PS
Registration
sensor
J01:9 - 1
J01:8 - 2
J01:7 - 3
25-B12 5V
25-B10 SGND
950-1
-2
-3
PS 1
J33:3 - 1
J33:2 - 2
J33:1 - 3
910: 4 - 1
910: 3 - 2
910: 2 - 3
FM7
Internal cooling fan/2
910: 1 - 4
39-1 DRIVE
39-2 EM
39-4 SGND
39-3 H/L
MC2
Loop clutch
921: 2 - 1
921: 1 - 2
24-A1 24V
24-A2 DRIVE
SD3
By-pass
paper feed
solenoid
24-B20 24V
924: 2 - 1
924: 1 - 2
J04:11 - 1
J04:10 - 2
24-B19 DRIVE
By-pass
no paper
sensor
24-B11 PS
J04: 3 - 9
PS13
962-1
-2
-3
24-B12 5V
24-B10 SGND
J04: 2 - 10
J04: 1 - 11
M6
905: 6 - 1
905: 5 - 2
905: 4 - 3
905: 3 - 4
905: 2 - 5
905: 1 - 6
24-B1 A
24-B6 24V
24-B2 A
24-B5 24V
24-B3 B
24-B4 B
ADU motor
24-B8 PS
ADU sensor
-3
-2
953-1
PS 4
24-B9 5V
24-B7 SGND
J30:3 - 1
J30:2 - 2
J30:1 - 3
RT3
RT3
200: 1 - 1
200: 2 - 2
200: 3 - 3
200: 4 - 4
200: 5 - 5
200: 6 - 6 20: 9 - 2
20: 8 - 3
20: 6 - 5
20: 5 - 6
20: 3 - 8
20: 1 - 10
50-B12
-B11
-B10
- B9
- B8
- B7
- B6
- B4
- B3
- B2
- B5
J50: B1 - B12
J50: B2 - B11
J50: B4 - B9
J50: B5 - B8
J50: B6 - B7
J50: B7 - B6
J50: B8 - B5
J50: B9 - B4
J50:B10 - B3
J50:B11 - B2
LDB
-A11
-A10
- A9
- A8
- A7
- A6
- A5
- A3
- A2
- A1
- A4
J50: A4 - A9
J50:A12 - A1
J50:A11 - A2
J50:A10 - A3
J50: A9 - A4
J50: A8 - A5
J50: A7 - A6
J50: A6 - A7
J50: A5 - A8
J50: A3 - A10
J50: A2 - A11
- B1
J50:B12 - B1
50-A12
J50: A1 - A12
J50: B3 - B10
45-1 VDD
45-4 SGND
45-2 -Data
45-3 +Data
41-1 TX+
41-2 TX-
41-3 RX+
41-4 N.C
41-5 N.C
41-6 RX-
41-7 N.C
41-8 N.C
41-9 FG
41-11 VDD1
41-10 FG
41-11 LED1
41-11 VDD2
41-11 LED2
-2
-3
-4
-5
51-1
INDEX
(CN51
44-A3
44-A4
44-A8
44-A11
44-A1
44-A2
44-A5
44-A6
44-A7
44-A9
44-A10
44-B1
B VV 28-A1
TONYY 28-A2
P VV 28-A3
S VV 28-A4
SGND 28-A6
EE VV 28-A5
EG TRS 28-A7
EG TXD 28-A8
EG CTS 28-A9
EG RXD 28-A10
SGND 28-A11
DDF VV 28-B11
N.C 28-B10
EG INT 28-B5
EG RST 28-B4
PS301 28-B6
APS TIM 28-B7
44-B4
44-B7
44-B8
SGND 28-B1
5V SYS 28-B2
SGND 28-B3
44-B9
44-B11
FIX OK 28-B9
SGND 28-B8
44-B10
44-B6
44-B5
44-B3
44-B2
SCDB
-B33 PCI_C_BE0
-B12 PCI_AD29
-B16 PCI_C_BE3
-B20 PCI_AD18
-B26 PCI_C_BE1
-B31 PCI_AD8
-A20 PCI_AD17
-A21 PCI_C_BE2
-A26 PCI_AD15
38-B 1 XFAN
-B 2 FANHI
-B 9 XPCI_REQ0
-B19 PCI_AD20
CN38 Board to Board Connector(100pin)
-A24 XPCI_DEVSEL
38-A 1 XFAN_LK
-A 2 SGND
-A 4 SGND
-A 6 SGND
-A 7 SGND
-A 8 SGND
-A13 SGND
-A18 SGND
-A27 SGND
-A32 SGND
-A37 SGND
-A38 SGND
-A44 SGND
-A46 SGND
-A48 SGND
-A49 SGND
-A14 26/ISEL6
-A19 PCI_AD19
-A22 PCI_IRDY
-A23 SGND
-A25 PAR
-A28 PCI_AD13
-A29 PCI_AD11
-A30 PCI_AD9
-A31 PCI_AD7
-A33 PCI_AD6
-A34 PCI_AD4
-A35 PCI_AD2
-A36 PCI_AD0
-A39 5V
-A40 5V
-A41 5V
-A42 5V
-A43 5V
-A45 -12V
-A47 12V
-A50 12V
-B 4 SGND
-B 5 SGND
-B 6 SGND
-B 8 SGND
-B13 SGND
-B18 SGND
-B23 SGND
-B27 SGND
-B32 SGND
-B37 SGND
-B38 SGND
-B44 SGND
-B46 SGND
-B48 SGND
-B49 SGND
-B 7 BCLOCK3
-B11 PCI_AD31
-B14 PCI_AD27
-B15 PCI_AD25
-B17 PCI_AD22
-B21 PCI_AD16
-B22 XPCI_FRAME
-B24 XPCI_TRDY
-B25 XPCI_STOP
-B28 PCI_AD14
-B29 PCI_AD12
-B30 PCI_AD10
-B34 PCI_AD5
-B35 PCI_AD3
-B36 PCI_AD1
-B39 5V
-B40 5V
-B41 5V
-B42 5V
-B43 5V
-B45 -12V
-B47 12V
-B50 12V
-A 3 NC
-A 5 /RST
-A 9 /GNT2
-A10 NC
-A11 PCI_AD30
-A12 PCI_AD28
-A15 PCI_AD24
-A16 PCI_AD23
-A17 PCI_AD21
-B 3 N.C
-B10 N.C
for DB UNIT
J61 : 1 - 9
J61 : 2 - 8
J61 : 3 - 7
J61 : 4 - 6
J61 : 5 - 5
J61 : 6 - 4
J61 : 7 - 3
J61 : 8 - 2
J61 : 9 - 1
32 33 34 35 36 37 38 39 40
19- 1 DB_RTS
19- 4 DB_CTS
19- 2 SGND
19- 3 DB_RXD
19- 5 SGND
19- 6 DB_TXD
19- 7 DB_EXIT
19- 8 LCT_EXIT
19- 9 DB_RST
L1INVB
24-B17 PS
J04: 9 - 3
J04: 8 - 4
J04: 7 - 5
PS20
969-1
-2
-3
24-B18 5V
24-B16 SGND
By-pass
tray paper
size sensor
J08: 6 - 1
J08: 5 - 2
J08: 4 - 3
J04: 6 - 6
J04: 5 - 7
J04: 4 - 8
VR1
98 -3
-2
-1
By-pass
tray paper
size VR
24-B15 SGND
24-B13 5V
J08: 3 - 4
J08: 2 - 5
J08: 1 - 6
24-B14 VR
25-A17 PS
J41:1 - 3
J41:2 - 2
J41:3 - 1
25-A16 5V
25-A18 SGND
971-1
-2
-3
PS22
Timing
sensor/L
25-B2 PS
J40:1 - 3
J40:2 - 2
J40:3 - 1
25-B1 5V
25-B3 SGND
970-1
-2
-3
PS21
Timing
sensor/U
IP-432
DRIVE 35- 4
SGND 35- 5
SGND 35- 3
SIG 35- 2
24V 35- 1
985A-3
-1
-2
-4
CN985A
CN985B
985B-1
985B-2
Key counter
KC
(Option)
J26: 2 - 3
J26: 4 - 1
J26: 1 - 4
J26: 3 - 2
For Finisher
J42:2 - 2
J42:3 - 3
972-1
-2
-3
PS23
IT exit
sensor/U
J42:5 - 5
J42:6 - 6
974-1
-2
-3
PS25
IT door
sensor
38- 1 PS
38- 2 SGND
38- 8 SGND
J42:10- 10
J42:11- 11
J42:4 - 4
38- 3 5V
(CE1)
(CE1)
973-1
-2
-3
PS24
IT exit
sensor/L
(CE1)
38- 5 SGND
IT-101
SD8
939: 1 - 2
939: 2 - 1
J42:8 - 8
J42:9 - 9
Gate solenoid
38- 6 24V
38- 9 IT.SET
38- 4 PS
38- 7 DRIVE
1st paper
feed
solenoid/U
SD1
922: 2 - 1
922: 1 - 2
25-A13 24V
25-A12 DRIVE
SGND 16-10
5V 16-11
PS17 16-12
PS15 16-13
PS14 16-14
M2 DRIVE 16- 5
M2 EM2 16- 4
M2 V0 16- 6
M2 V1 16- 7
61-11
61-12
M2 CLOCK 16- 1
SGND 16- 2
M2 EM1 16- 3
L1 CONT 16- 8
L1 EM 16- 9
61- 4
61- 7
61- 8
61- 9
61-10
61-13
61-14
61-15
61- 6
61- 5
61- 3
61- 2
5V 16-15
61- 1
FS TXD 15-B1
SGND 15-B2
FS RTS 15-B4
FS RXD 15-B6
SGND 15-B5
SGND 15-B8
FS CTS 15-B9
70 69 68 67 66 65 64 63 62 61 60
SGND 15-B10
SGND 15-B11
N.C 15-B12
N.C 15-B3
N.C 15-B7
90-1
-2
-4
-3
-5
PFDB/U
J02: 7 - 1
J02: 6 - 2
J02: 5 - 3
24-A16 SIZE.UP.D
24-A17 SIZE.UP.C
24-A18 SIZE.UP.B
24-A19 SIZE.UP.A
J02: 3 - 5
J02: 4 - 4
24-A20 SGND
91-1
-2
-4
-3
-5
PFDB/L
J03: 5 - 7
J03: 4 - 8
J03: 3 - 9
J03: 2 - 10
J03: 1 - 11
24-A6 SIZE.LOW.A
24-A5 SIZE.LOW.B
24-A4 SIZE.LOW.C
24-A3 SIZE.LOW.D
24-A7 SGND
for KC
132
133
134
135
136
137
127
128
129
130
131
122
123
124
125
126
115
116
117
118
119
120
121
110
111
112
113
114
103
104
105
106
107
108
109
Symbol
Crimp
Connector
Faston
Relay connector