2KL/2KK
1-6-2
1-6-2 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 PWB: VR401
APC PWB: VR1
1-6-3 Remarks on main/engine PWB replacement
When replacing the main/engine PWB, remove the EEPROM (YC37) and EEPROM (YC38) from the PWB that has been
removed and then reattach it to the new PWB.
Figure 1-6-2
Main/engine PWB
EEPROM
EEPROM
(YC37)
EEPROM
(YC38)
EEPROM
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