OPERATION
Microwave Combination Wall Ovens
n
2-15
Microwave Inverter Board
The microwave inverter board replaces the capacitor, diode and transformer of the high voltage system.
The main feature of this inverter system is that it provides constant microwave energy and doesn’t
cycle on and off to produce the constant supply. When testing this board, you just check the 4
connection points (CN701, CN702, CN703 and the ground lug). No voltage or continuity testing on this
board. The diagram below shows how 120 VAC is supplied to the inverter through the Line Fuse, the
primary interlock switch (door closed position) and the 4903 relay mounted on the Appliance Manager.
Summary of Contents for JMW2430D
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