1 SCHEMATIC DIAGRAM 5
2 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING
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2.1. Check the grounding
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2.2. Inverter warnings
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2.3. Part replacement.
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2.4. When the 10A fuse is blown due to the operation of the
short switch:
7
2.5. Avoid inserting nails, wire etc. through any holes in the
unit during operation.
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2.6. Confirm after repair
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2.7. Sharp edges
7
3 MEASUREMENTS AND ADJUSTMENTS
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3.1. Adjustment of primary latch switch, secondary latch switch
and short switch.
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3.2. Measurement of microwave output
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4 EXPLODED VIEW AND PARTS LIST
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4.1. EXPLODED VIEW
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4.2. PARTS LIST
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4.3. DOOR ASSEMBLY
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4.4. WIRING MATERIALS
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4.5. ESCUTCHEON BASE ASSEMBLY
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4.6. PACKING AND ACCESSORIES
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4.7. H.V. INVERTER MAIN PARTS LIST
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5 DIGITAL PROGRAMMER CIRCUIT
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5.1. SCHEMATIC DIAGRAM
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5.2. PARTS LIST
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CONTENTS
Page Page
4
NN-ST557M / NN-ST557W