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MICROWAVE OVEN

SERVICE MANUAL

MODEL : MB-394A, MH-594A

CAUTION

BEFORE SERVICING THE UNIT, READ THE
SAFETY PRECAUTIONS IN THIS MANUAL.

Summary of Contents for MB-394A

Page 1: ...MICROWAVE OVEN SERVICE MANUAL MODEL MB 394A MH 594A CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Page 2: ... H x 316 D mm 13 7 kg approx 15 1 kg approx Microwave Power for Variable Cooking Power level MAX Full power throughout the cooking time MED HIGH approx 80 of Full power MEDIUM approx 60 of Full power DEFROST approx 40 of Full power LOW WARM approx 20 of Full power Grill COMBI Owner s manual Glass tray Rotating ring Grill rack 1 1 ITEM MODEL Power Requirement Power Output Microwave Frequency Magnet...

Page 3: ...select the desired power level for microwave cooking 4 GRILL Used to select the grill cooking 5 AUTO DEFROST Used to select the auto weight defrost 6 AUTO COOK Used to cook the foods listed by one touch 7 TIME To set cooking times 8 STOP CLEAR Used to stop oven and clear all entries except time of day CHILD LOCK 9 DISPLAY WINDOW 10 KITCHEN TIMER 11 COMBI Used to select the combination cooking 12 M...

Page 4: ...oven has a CHILD LOCK feature TO SET CHILD LOCK Touch the pad Touch STOP pad L appear in the display TO CANCEL CHILD LOCK Touch the pad Touch STOP pad L disappears 10 AUTO COOK Stop Set clock Set the correct hour Set the correct minute Stop Start STOP STAGE 1 Touch start Stop Start Stop Grill Desired cooking Time Start Stop Desired combi category Desired cooking Time Start Stop Desired defrost cat...

Page 5: ...SCHEMATIC DIAGRAM FOR MODEL MB 394A 4 3 ...

Page 6: ...4 4 FOR MODEL MB 394AA ...

Page 7: ...4 000 Volts DC is applied to the filament of the magnetron WHEN THE OVEN IS SET AT ANY LEVEL EXCEPT MAXIMUM The micom controller controls the ON OFF time of relay 2 by the applied signal to vary the average output power of microwave oven as POWER LEVEL refer to page 1 1 WHEN THE DOOR IS OPENED DURING COOKING Both the primary switch and relay 2 are cut off primary winding voltage of the high voltag...

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