3-4-3 Adjustment-free variable resisters (VR)
The variable resistors listed below are set at the factory prior to shipping and should not
be adjusted in the field.
• High-voltage transformer PCB: VR101, VR102, VR201, VR202, VR301, VR401,
• Power source PCB: VR301
VR402
2A3/4
3-4-3