Panasonic NN-T695 Service Manual

Also see for INVERTER NN-H665: Operating instructions Instrucciones de operación Operating instructions Operating instructions User manual

Contents

1 SCHEMATIC DIAGRAM 51.1. APH 51.2. CPH 61.3. RPH 72 DESCRIPTION OF OPERATING SEQUENCE 82.1. Variable power cooking control 82.2. Inverter power supply circuit NEW H.V. 82.3. Inverter defrost 82.4. Sensor cooking (Only for sensor models) 82.5. Sensor reheat (Only for sensor models) 92.6. Steam sensor and digital programmer circuit (Only forsensor models) 92.7. Thermistor 93 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 103.1. Check the grounding 103.2. Inverter warnings 103.3. Part replacement. 113.4. When the 20A fuse is blown due to the operation of theshort switch: 113.5. Avoid inserting nails, wire etc. through any holes in theunit during operation. 113.6. Confirm after repair 113.7. Sharp edges 114 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 124.1. Magnetron 124.2. Digital programmer circuit (D.P.C) 124.3. Low voltage transformer and/or power relays (RY1, RY2)134.4. Fan motor 134.5. Door assembly 134.6. Turntable motor 144.7. Steam sensor 144.8. Inverter power supply 155 COMPONENT TEST PROCEDURE 165.1. Primary latch switch (door switch and power relay B)interlocks. 165.2. Short switch & monitor 165.3. Magnetron 165.4. Membrane key board (Membrane switch assembly) 165.5. Inverter power supply (U) 176 MEASUREMENTS AND ADJUSTMENTS 186.1. Adjustment of primary latch switch, secondary latch switchand short switch. 186.2. Measurement of microwave output 187 PROCEDURE FOR MEASURING MICROWAVE ENERGYLEAKAGE 197.1. Equipment 197.2. Procedure for measuring radiation leakage 197.3. Record keeping and notification after measurement 197.4. At least once a year, have the radiation monitor checkedfor calibration by its manufacturer. 198 TROUBLESHOOTING GUIDE 208.1. (Trouble) Oven stops operation during cooking 208.2. Troubleshooting of inverter circuit (U) and magnetronNEW H.V. 228.3. Simple way of H.V. Inverter/magnetron troubleshooting 238.4. How to check the semiconductors using an OHM meter 239 EXPLODED VIEW AND PARTS LIST 249.1. EXPLODED VIEW 249.2. PARTS LIST 259.3. DOOR ASSEMBLY 279.4. ESCUTCHEON BASE ASSEMBLY 289.5. PACKING AND ACCESSORIES 339.6. WIRING MATERIALS 3410 DIGITAL PROGRAMMER CIRCUIT 3510.1. NN-T695SF APH/CPH, T695SF/SM RPH 3510.2. NN-T685SF APH/CPH, T675SF APH 3710.3. NN-T665SF APH, T655SF APH, T664SFR APH 3910.4. NN-H665 APH/CPH, H635 APH, S655 APH, S645 APH,S615 CPH 4110.5. NN-H645 APH, S635 APH/CPH, H625 APH, S625 CPH,S605 CPH, S505 APH/CPH, S655 RPH, S645 RPH,H624*FR APH, H504*FR APH 4310.6. PARTS LIST 45CONTENTSPage Page4NN-T695 NN-T685SF