COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
CHAPTER 6 TROUBLESHOOTING
6-180
6.10 Variable Registers (VR), Light-Emitting Diodes, and
Check Pins by PCB
Of the variable resistors (VR), light-emitting diodes, and switches found inside the ma-
chine, those needed in the field are discussed.
1. Some LEDs emit dim light even when they are off. This is a normal con-
dition, and must be kept in mind.
2. VRs that may be used in the field.
:
VRs that must not be used in the field
:
The VRs and check pins not found in the tables are for factory use only.
They require special tools and high accuracy and, therefore, must not be
touched in the fieled when making adjustments and checks.
6.10.1 Main Controller PCB
F06-610-01
J1010
J1028
J1002
J1013
J1011
J1019J1018
J1044
J1017
J1014
J1023
J1015
J1005
J1006
J1021
J1020
J1058
J1027
SW1002
J1022
J1060
J1061 J1024
J1003
J1004
BAT1001
LED1007
LED1008
LED1004 LED1005
LED1003
LED1002
LED1001
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