Check Pins By Pcb - Canon 1130 Service Manual

I. Variable Resistors (VR), Light-Emitting Diodes (LED), and

Check Pins by PCB

Of the variable resistors (VR), light-emitting diodes (LED), and check pins used in the copier,
those that may be used in the field are discussed.
1. Some LEDs emit light even when off because of leakage current. It is a
2. VRs that may be used in the field:
3. The VRs and check pins that are not found in the tables are for the factory
1. DC Driver PCB
LED: turns on when +24 V is supplied, and turns off when the front cover is opened.
OFF
ON
OFF
ON
COPYRIGHT © 2002 CANON INC.
normal condition, and must be kept in mind.
VRs that must not be used it the field:
only, and require special tools and high accuracy. Do NOT touch them in the
field.
B15 B1 B1 J1028
B10
J1025
J1026 J1027
1 3 1 5
A1 A15 A1 A10
7
J1053
8
1 5
J1051
1 7
J1050
ON
(NEW TYPE)
1 2
SW1
A11 A1 A17 A1 A13 A1 A12
J1014 J1013 J1012 J1011
B1 B11 B1 B17 B1 B13 B1
Figure 13-614
SW1-1 SW1-2
OFF
OFF
ON
ON
Table 13-614
CANON CLC1100/1130/1150/1160/1180 REV.2 FEB. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
B1 B1
B10 B12
J1023
J1024
A1 A10 A1 A12
5 1
J1030
1
2 1
2 VR1 J1040
ON
(OLD TYPE)
1 2
SW1 VR2
LED1
A1
1 9
J1010 J1009
B12
1
OUT
Normal
Case 1
Case 2
Not used
B10 B1
2 14
J1029
J1022
1 13
A1 A10
12 1
J1052
A8 A1 A18 A1
J1008 J1007
4 B1 B8 B1 B18
Remarks
Normal area
Highland 1
Highland 2
13-177