Dc Controller Pcb - Canon NP6218 Service Manual

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CHAPTER 10 TROUBLESHOOTING
F. Variable Resistors (VR) and Check Pins by PCB
Of all the VRs and check pins found in the copier, those that are needed in the field
are discussed.
Caution:
Do not touch the VRs and check pins that are not discussed herein; they are for
factory adjustment only and require special tools and instruments and must be
adjusted with high precision.

1. DC controller PCB

3 J311 1 2
11
J303
1
3
1
J312
J322
10-92
J309
20
1
15
J302
1
5 J318 1
VR391
1
4
1
2
J324
J356
8
Figure 10-606
COPYRIGHT © 1997 CANON INC.
1
J310
J301
1
6
B10 J319
B1
A1
A10
CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
15
11
J313
1
J320
J321
1
3
1
1
J353
7
J351
1
2
5
1
SW303
SW302
VR302
VR301
4

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