Adjustment-Free Variable Resistors (Vr); Remarks On Pcbs Replacement - Kyocera KM-1650 Service Manual

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Adjustment-free variable resistors (VR)

The variable resistors listed below are set at the factory prior to shipping and cannot be adjusted in the field.
High-voltage PCB: VR201, VR202, VR301
Drum unit zener PCB: VR1
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Remarks on PCBs replacement

Confirm the version of the firmware and upgrade the version in up-to-date state when replacing PCBs.
When replacing the engine PCB or main PCB, remove the EEPROM from the engine PCB or main PCB that has been
removed and then reattach it to the new engine PCB or main PCB.
EEPROM
Figure 1-7-3
2DA/2DB
EEPROM
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