Variable Resistors (Vr), Light-Emitting Diodes, And Check Pins By Pcb; Dadf Controller Pcb - Canon DADF-G1 Service Manual

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4 Variable Resistors (VR), Light-Emitting Diodes, and
Check Pins by PCB
Of the variable resistors (VR), light-emit-
ting diodes, and check pins used in the ma-
chine, those needed in the field are dis-
cussed.
Do not touch the VRs or check
pins not found herein; they are
for the factory, and require
special tools and high accu-
racy.

4.1 DADF Controller PCB

1. Some LEDs have leakage
current, and emit dim light
even when off; this is a nor-
mal condition, and must be
kept in mind.
2. VR that may be used in the
field ...........................
VR that must not be used in
the field ....................
COPYRIGHT© 2000 CANON INC.
CANON DADF-G1 REV.0 OCT. 2000
CHAPTER 5 TROUBLESHOOTING
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2 1
4 1 2
J15
CB1
J2
J3
7
J1
1
8
J10
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DSW1
SW1
B12
SW3
6
1
SW2
TP1
A1
F05-401-01
1
10 1
9
J5
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J14
J8
1
2
1
J13
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J6
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J7
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J11
B1
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J9 A12 J12
5-27

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