Manuals / Panasonic / Kitchen Appliance / Microwave Oven

Panasonic manual NN-SD698S / NN-ST678S / NN-ST658W

Models: NN-ST658W NN-ST678S NN-SD698S

1 40

Download 40 pages 52.55 Kb

Page 38

Manual background

NN-SD698S / NN-ST678S / NN-ST658W

38

Image 38

Panasonic manual 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 1 SCHEMATIC DIAGRAM NN-SD698S / NN-ST678S / NN-ST658W2 DESCRIPTION OF OPERATING SEQUENCE 2.1. Variable power cooking control2.2. Inverter power supply circuit 2.3. Inverter defrost2.6. 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 3.7. Sharp edges 3.3. Part replacement3.6. Verification after repair Discharging the high voltage capacitors4.2. 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 4.6. Turntable motor 4.7. Steam sensor4.8. Inverter power supply CAUTIONS5.2. Monitor Interlock Switch 5 COMPONENT TEST PROCEDURE5.1. Primary, Secondary Latch Switch interlocks & Power Relay RY1 5.4. key board membrane Membrane switch assemblyseconds after started 5.5. Inverter power supply U5.6. Temperature thermistor 6 MEASUREMENTS AND ADJUSTMENTS 6.2. Measurement of microwave output7.1. Equipment 7 PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE7.2. Procedure for measuring radiation leakage 7.3. Record keeping and notification after measurementNN-SD698S / NN-ST678S / NN-ST658W 8 TROUBLESHOOTING GUIDE 8.1. Troubleshooting Oven stops operation during cooking8.2. Troubleshooting Other problems Open or loose wiring of secondary latch switch8.3. Troubleshooting of inverter circuit U and magnetron Alternate way to troubleshoot oven with AC Ampere meter usedProcedure 8.4. SIMPLE WAY OF H.V. INVERTER/MAGNETRON TROUBLESHOOTING8.5. H.V.INVERTER BOARD MAIN PARTS LIST F606Y8M00AP Purpose8.6. How to check the semiconductors using an OHM meter NN-SD698S / NN-ST678S / NN-ST658WNN-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. ESCUTCHEON BASE ASSEMBLY 9.5.1. NN-SD698S9.5.2. 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 10.2. NN-ST678S NN-SD698S / NN-ST678S / NN-ST658WNN-SD698S / NN-ST678S / NN-ST658W 10.3. NN-ST658W NN-SD698S / NN-ST678S / NN-ST658WNN-SD698S / NN-ST678S / NN-ST658W NN-SD698S 10.4. PARTS LIST10.4.1 10.4.2S-8X0 10.4.3. NN-ST658W01/08 S-8V6