Panasonic NN-GD692S, Руководство по обслуживанию

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1 SCHEMATIC DIAGRAM 5
1.1. WITHOUT VARISTOR 5
1.2. WITH VARISTOR 6
2 DESCRIPTION OF OPERATING SEQUENCE 7
2.1. Variable power cooking control 7
2.2. Inverter power supply circuit 7
2.3. Turbo defrost, Auto cook 7
2.4. Sensor cooking 7
2.5. Sensor reheat 8
2.6. Steam sensor and digital programmer circuit 8
3 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 9
3.1. Check the grounding 9
3.2. Inverter warnings 9
3.3. Part replacement. 10
3.4. When the 10A fuse is blown due to the malfunction of the
short switch: 10
3.5. Avoid inserting nails, wire etc. through any holes in the
unit during operation. 10
3.6. Verification after repair 10
3.7. Sharp edges 10
4 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 11
4.1. Magnetron 11
4.2. Digital programmer circuit (D.P.C) 11
4.3. Low voltage transformer and/or power relays (RY1, RY2)
12
4.4. Fan motor 12
4.5. Door assembly 12
4.6. Turntable motor 14
4.7. Quartz heater 14
4.8. Steam sensor 15
4.9. Inverter power supply 16
5 COMPONENT TEST PROCEDURE 17
5.1. Primary, Secondary Latch Switch interlocks & Power
Relay RY1 17
5.2. Short Switch 17
5.3. Magnetron 17
5.4. Inverter power supply (U) 18
5.5. Temperature thermistor 18
6 MEASUREMENTS AND ADJUSTMENTS 19
6.1. Adjustment of primary latch switch, secondary latch switch
and short switch. 19
6.2. Measurement of microwave output 19
7 TROUBLESHOOTING GUIDE 20
7.1. (Troubleshooting) Oven stops operation during cooking 20
7.2. (Troubleshooting) Other problems 21
7.3. Troubleshooting of inverter circuit (U) and magnetron 22
7.4. Trouble related to Digital Programmer Circuit 23
7.5. Simple way of H.V. Inverter/magnetron troubleshooting 24
7.6. How to check the semiconductors using an OHM meter 24
7.7. H.V. INVERTER MAIN PARTS LIST (F606YBA00QP) 25
8 EXPLODED VIEW AND PARTS LIST 26
8.1. EXPLODED VIEW 26
8.2. PARTS LIST 27
8.3. ESCUTCHEON BASE ASSEMBLY 29
8.4. DOOR ASSEMBLY 30
8.5. WIRING MATERIALS 31
8.6. PACKING AND ACCESSORIES 32
9 DIGITAL PROGRAMMER CIRCUIT 33
9.1. SCHEMATIC DIAGRAM 33
9.2. PARTS LIST 35
CONTENTS
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NN-GD692S