The touch control circuit controls the ON-OFF time of RELAY "1" in order to vary the output power of the
microwave oven from "power level 1" to "5 (100%) power".
One complete ON and OFF cycle of the RELAY "1" is 29 seconds. The relation between indications on
the control panel and the output of the microwave oven is as shown is Fig. 3
3.3V
H.V
FUSE
2000V
H.V. TRANSFORMER
FA
OR
OR
H.V.
CAPACITOR
H.V. DIODE
WIRING COLOR
OR: ORANGE
Fig.2
24
F
MAGNETRON