Variable Resistors (Vr) And Check Pins By Pcb - Canon PC400 Service Manual

CHAPTER 10 TROUBLESHOOTING
E. Variable Resistors (VR) and Check Pins by PCB
Of the variable resistors (VR) and check pins used in the copier, those used in the
field are discussed herein.
Do not touch those VRs and check pins not discussed herein; they are for factory
use only and require special tools and high precision for adjustment.
Note:
1. VRs that may be used
in the field. .............................
2. VRs that must not be
used in the field. ....................
1. DC Controller/DC Power Supply PCB
J101
J102
J103
J104
10-38
COPYRIGHT © 1998 CANON INC.
VR102
VR101
Note: The pin No. in parentheses refers to the PC400/FC200.
Figure 10-601E
CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
J108
1 2
VR103
J5
(T107)
J6
J8
J7