Variable Resistors (Vr), Light-Emitting Diodes (Led), And Check Pins By Pcb; Dc Controller Pcb - Canon NP6260 Service Manual

CHAPTER 11 TROUBLESHOOTING
H. Variable Resistors (VR), Light-Emitting Diodes (LED), and
Check Pins by PCB
Of the VRs, LEDs, and check pins used in the machine, those needed to service the
machine in the field are discussed.
Caution:
1.Some LEDs are dimly lit because of leakage current even when off; this is a
normal condition and should be kept in mind.
2. VRs that may be used in the field............
VRs that must not be used in the field.....
Caution:
Those VRs and check pins not discussed herein are for use at the factory, requiring
special tools and high precision. Do not touch them in the field.

1. DC Controller PCB

B12 B1
J112
A1 A12
B1 A14
1
J113
SW1
B14 A1
12
B1 A15
J114
J129
1
B15 A1
B1 A13
B1
J115
B13 A1
B12
B1 A14
J116
B14 A1
A1
A13
J130
B1 B13 B1
11-146
COPYRIGHT © 1997 CANON INC.
B9 B1 B15
J109
J111 J110
1 2
A1 A9 A1
8
1
J125
2
A12
J2001
A1
8
J123
A15 A1 A12
J117 J119
B15 B1 B12
Figure 11-611
CANON NP6560/NP6360/NP6260 REV. 0 NOV. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
B1 B1
J108
A15 A20
J126
1
1 9 1
J128
A1 A15
J121
B1
B20 B10 B1
J107
A1
A1 A1 A10
J106
A9
A1
J105
A11
A1
J127
J104
A8
1 2
A1
J103
VR101
A10
A1
J102
2 1
J2002
A9
3
J101
A1 A10 A1
J122
B15 B1 B10
B9
B1
B11
B1
B8
B1
B10
B1
B9
B1
1
8