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Panasonic NN-ST658W, NN-SD698S, NN-ST678S manual How to check the semiconductors using an OHM meter

Models: NN-ST658W NN-ST678S NN-SD698S

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8.6.How to check the semiconductors using an OHM meter

NN-SD698S / NN-ST678S / NN-ST658W

8.6.How to check the semiconductors using an OHM meter

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Panasonic manual How to check the semiconductors using an OHM meter, NN-SD698S / NN-ST678S / NN-ST658W

Contents

RPH LATIN AMERICA RUH MEXICO Microwave OvenNN-SD698S NN-ST678S NN-ST658W NN-SD698S / NN-ST678S / NN-ST658W NN-SD698S / NN-ST678S / NN-ST658W CONTENTS NN-SD698S / NN-ST678S / NN-ST658W 1 SCHEMATIC DIAGRAM2.3. Inverter defrost 2.1. Variable power cooking control2.2. Inverter power supply circuit 2 DESCRIPTION OF OPERATING SEQUENCE2.6. Steam sensor and digital programmer circuit 2.5. Sensor reheat2.7. Thermistor 3.2. Inverter warnings 3 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING3.1. Check the grounding Discharging the high voltage capacitors 3.3. Part replacement3.6. Verification after repair 3.7. Sharp edges4.2. Digital programmer circuit D.P.C 4 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE4.1. Magnetron 4.4. Fan motor 4.3. Low voltage transformer and/or power relays RY1, RY24.5. Door assembly 4.7. Steam sensor 4.6. Turntable motorCAUTIONS 4.8. Inverter power supply5.4. key board membrane Membrane switch assembly 5 COMPONENT TEST PROCEDURE5.1. Primary, Secondary Latch Switch interlocks & Power Relay RY1 5.2. Monitor Interlock Switchseconds after started 5.5. Inverter power supply U5.6. Temperature thermistor 6.2. Measurement of microwave output 6 MEASUREMENTS AND ADJUSTMENTS7.3. Record keeping and notification after measurement 7 PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE7.2. Procedure for measuring radiation leakage 7.1. EquipmentNN-SD698S / NN-ST678S / NN-ST658W 8.1. Troubleshooting Oven stops operation during cooking 8 TROUBLESHOOTING GUIDEOpen or loose wiring of secondary latch switch 8.2. Troubleshooting Other problemsAlternate way to troubleshoot oven with AC Ampere meter used 8.3. Troubleshooting of inverter circuit U and magnetronPurpose 8.4. SIMPLE WAY OF H.V. INVERTER/MAGNETRON TROUBLESHOOTING8.5. H.V.INVERTER BOARD MAIN PARTS LIST F606Y8M00AP ProcedureNN-SD698S / NN-ST678S / NN-ST658W 8.6. How to check the semiconductors using an OHM meterNN-SD698S / NN-ST678S / NN-ST658W 9 EXPLODED VIEW AND PARTS LIST9.1. EXPLODED VIEW 9.2. PARTS LIST Ref. No 9.3. WIRING MATERIALS 9.4. DOOR ASSEMBLY 9.5.1. NN-SD698S 9.5. ESCUTCHEON BASE ASSEMBLY9.5.2. NN-ST678S 9.5.3. NN-ST658W 9.6. PACKING AND ACCESSORIES NN-SD698S / NN-ST678S / NN-ST658W 10 DIGITAL PROGRAMMER CIRCUIT10.1. NN-SD698S NN-SD698S / NN-ST678S / NN-ST658W NN-SD698S / NN-ST678S / NN-ST658W 10.2. NN-ST678SNN-SD698S / NN-ST678S / NN-ST658W NN-SD698S / NN-ST678S / NN-ST658W 10.3. NN-ST658WNN-SD698S / NN-ST678S / NN-ST658W 10.4.2 10.4. PARTS LIST10.4.1 NN-SD698SS-8V6 10.4.3. NN-ST658W01/08 S-8X0