Variable Resistor (Vr)/Led/Check Pin Listed By Pcb Plate - Canon GP160DF Service Handbook

CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS
F.

Variable resistor (VR)/LED/check pin listed by PCB plate

Only the varistors, LEDs and check pins that need to be checked during field service
are listed below.
Note:
1. Some LEDs leak a small amount of current even when normal, and therefore glow
faintly even when they are off. Do not mistake this phenomenon for their being ON.
2. VRs which may be adjusted in the field:
VRs which must not be adjusted in the field:
Note:
Check pins not listed below are only for factory use, and their adjustment and check
requires special tools and measurement instruments. Their adjustments require a
greater degree of accuracy and must not be touched during field service.
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