Service manual

1.5.2 PWB-A Board
This unit is the engine control board. The engine is driven by the commands from the C207 MAIN
board, including information from the sensors.
1.5.3 PWB-E Board
PWB-E board is the power supply board, which converts the AC line voltage into +24 and 5 VDC
voltages. This board also supplies AC line voltage to the fusing unit to heat the heater lamp.
Never touch variable volumes RV1 and RV2. They are for factory use only.
Figure 1-12. PWB-A Board
Figure 1-13. PWB-E Board
CAUTION
EPL-N2000 Service Manual Product Description
Rev. A 1-55