Check Pins By Pcb - Canon NP6512 Service Manual

CHAPTER 11 TROUBLESHOOTING
F. Variable Resistors (VR) and Check Pins by PCB
Of the variable resistors (VR) and check pins, those needed in the field are discussed herein.
Those not found in the discussions are for the factory only, requiring special tools and adjustment
to an extremely accuracy. Do not touch them in the field.
Caution:
VRs that may be used in the field ................
VRs that must not be used in the field .........
1. DC Controller PCB
1
2
J130
VR103
2. Composite Power Supply PCB
J207
J201 2 1
1
2 1
J910
FU102
11-86
COPYRIGHT © 1999 CANON INC.
VR102
J103 J104
1 9 1 7
Figure 11-606
2
VR001
J205 1
4
Figure 11-607
CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
19 1
9
1 20 J111
J102 2
J105 1
6
J106
J109
1 11 1 2 1
1 6
1
J202
1
J954
3
VR952
J209
J213
J212
2 1
5 1
6 2
J201
J122
J121 J132
6 1 5
J203
1
9 1
J204
7
2 J951
VR951
VR801
J953
1 3
VR301
J302