Ii. General Circuit Diagram - Canon LBP-1760 Service Manual

6
Duplexing unit Duplexing unit
Duplex feed motor
Reversing motor pick-up sensor solenoid
M702 M701 PS701 SL701
SL
M M
J713
J702 J701 J706 J703 J705
Duplexing unit driver PCB
FM701 J719 J718
1 3
Multi-purpose tray
1 3
2 2
Cooling fan paper sensor
2
2
3 1
FM101 PS105 1
3
Duplexing unit
exhaust fan
Duplexing unit
J114
J54 J58
LINE
INPUT
FG Engine controller PCB
3
2
2 NEUTRAL
1
1 HOT
J101 J1
J72 J52
J301
M
M101
Main motor
J603
J601
+24VA 6
Paper size detection PCB
SW600 /SEL1 5
GND 4
SW601
SOUT 3
SW602 SIN 2
SCLK 1
Paper size switches
J602 J604
J110
SL
PS101 SL101
Cassette paper Cassette pick-up
sensor solenoid
5 4
J715 J716
4 1 J717
4 1
3 2 3
PS703
3 2 3
2 3 2
2 3 2
Reversed paper
1 4 1
1 4 1
sensor
3
3 PS702
2
2
1
Face-up sensor
1
J137
J714
PS106
1
Fixing unit 2
paper delivery
3
J704
sensor 2
6
SCLK 6
5
SIN 5
4
SOUT 4
3
GND 3
J707 2
/SEL0 2
1 1
1 F ON +24VA 1
2
2 F LOCK
3
3 GND
J711 J712
J102 J103
J71 J31
PS501
Fixing unit paper delivery sensor 1
J50 J51
J2
Video controller
J104 J811
1 4 J801
1 4
6 2 3 1 Paper feeder driver PCB
2 3 1 +24VA
5 3 2 2
3 2 2 /SEL1
4 4 1 3
4 1 3 GND
3 4
4 SOUT
2 1 3 5
1 3 5 SIN
1 2 2 6
2 2 6 SCLK
3 1
3 1
J803 J802
J105 J812
J813
PS801
Paper feeder
Paper feeder
paper sensor pick-up solenoid
3
J133
1 TH901 Fixing unit
2
J134
2
1
FU901
1
2
3
FG
TB13 J135
J132
J131
TB11 TB10
TB12
HOT NEUTRAL
TR
FG
Test print switch
SW501
J75
Operation panel
J301
J57
SW801
SW802
SW803
J111
Paper feeder
paper size switches
PS102 PS103
Pre-feed sensor Top of page
sensor
SL
SL801
Paper feeder
II. GENERAL CIRCUIT DIAGRAM-1/2
2
Toner cartridge Laser/scanner unit
Scanning motor BD PCB
J401 J551
J61M J53
TB64 TB61 TB62 TB63
J60 J113
1 3
FUL DR 1 3
2 2
GND 2 2
3 1
FUL SNS 3 1
J56 J125 J126
1 3
+24VA 1 3 1
2 2
MP SOL 2 2 2
3 1
+24VA 3 1 3
4
+24VA 4
5
TR CL 5
J127 J128
2
2 1
1
1 2
J59 J73
J106 J911
1 4
1 4
2 3
2 3
3 2
3 2 1
4 1
4 1 2
3
1 3 4
1 3
2 2 5
2 2
3 1 6
3 1
TB101
J112 J129F J107 J912
TB102 TB902
SW101
Door open
detection switch
Envelope
pick-up solenoid
Envelope multiple feed sensor
II.@æH}
1
D
Laser driver
J501
C
J55F
GND 1
/RxD 2
+3.3V 3
/TxD 4
PS104
Face-down tray paper full sensor
SL102
1
2
Multi-purpose tray
3
pick-up solenoid
CL101
1
B
2 Feed roller clutch
Envelope feeder
Envelope feeder
driver PCB
J901
PS901
1 +24VA
2 /SEL2
3 GND
4 SOUT Envelope sensor
5 SIN
6 SCLK
A
J902 J903
TB901
J913
SL
SL901
PS902
A - 3