Components On The Pba: Variable Resistors (Vr), Light-Emitting Diodes (Led), : Check Pins - Oce 3121 Technical & Service Manual

15 Components on the PBA: variable resistors (VR), light-emit-
ting diodes (LED), : check pins.
Warning:
check pins.
The unlisted items are for factory use only, and require special tools and high
precision instruments for adjustment.
RDF Control PBA
Note:
1.Some LED's emit dim light when off because of leakage current; this is a nor-
mal condition and should be kept in mind.
2.VRs that may be used in the field
<symbol > Black VR
VRs that must not be used in the field
<symbol > White VR
330 TSM Océ 3121
Do not touch the unlisted variable resistors (VR) and the unlisted
Adjustments