Panasonic NN-DF383B, Руководство по обслуживанию

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1 SCHEMATIC DIAGRAM 5
2 DESCRIPTION OF OPERATING SEQUENCE 6
2.1. Variable power cooking control 6
2.2. Inverter power supply circuit 6
2.3. Turbo defrost, Auto cook 6
2.4. Sensor cooking 6
2.5. Steam sensor and digital programmer circuit 7
2.6. Grill cooking control 7
2.7. Combination Cooking 7
2.8. Oven cooking control 7
3 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 8
3.1. Check the grounding 8
3.2. Inverter warnings 8
3.3. Part replacement. 9
3.4. When the 10A fuse is blown due to the malfunction of the
short switch: 9
3.5. Avoid inserting nails, wire etc. through any holes in the
unit during operation. 9
3.6. Verification after repair 9
3.7. Sharp edges 9
4 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 10
4.1. H.V. Inverter 10
4.2. Magnetron 12
4.3. Digital programmer circuit (D.P.C) & Membrane Sheet 13
4.4. Low voltage transformer and/or power relays 15
4.5. Fan motor 15
4.6. Upper Heater (Heater BU) 16
4.7. Door assembly 16
4.8. Stirrer motor 18
4.9. Lower Heater (Heater AU) 18
5 COMPONENT TEST PROCEDURE 21
5.1. Primary, Secondary Latch Switch interlocks & Power
Relay RY1 21
5.2. Short Switch 21
5.3. Magnetron 21
5.4. key board membrane (Membrane switch assembly) 21
5.5. Inverter power supply (U) 22
5.6. Temperature thermistor 22
6 MEASUREMENTS AND ADJUSTMENTS 23
6.1. Adjustment of Primary latch switch, Secondary latch
switch and Short switch. 23
6.2. Measurement of microwave output 24
7 TROUBLESHOOTING GUIDE 25
7.1. (Troubleshooting) Oven stops operation during cooking 26
7.2. (Troubleshooting) Other problems 27
7.3. Troubleshooting of inverter circuit (U) and magnetron 28
7.4. Trouble related to Digital Programmer Circuit 29
7.5. Simple way of H.V. Inverter/magnetron troubleshooting 30
7.6. How to check the semiconductors using an OHM meter 30
7.7. H.V. INVERTER MAIN PARTS LIST
(F606YBA00QP/F606YBA00HP) 31
8 EXPLODED VIEW AND PARTS LIST 32
8.1. EXPLODED VIEW 32
8.2. PARTS LIST 33
8.3. ESCUTCHEON BASE ASSEMBLY 35
8.4. DOOR ASSEMBLY 36
8.5. WIRING MATERIALS 37
8.6. PACKING AND ACCESSORIES 38
9 DIGITAL PROGRAMMER CIRCUIT 39
9.1. SCHEMATIC DIAGRAM 39
9.2. PARTS LIST 41
CONTENTS
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NN-DF383B