Panasonic NN-SD372, Руководство по обслуживанию

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1 FEATURE CHART 5
2 CONTROL PANEL 5
3 SCHEMATIC DIAGRAM 6
4 DESCRIPTION OF OPERATING SEQUENCE 7
4.1. Variable power cooking control 7
4.2. Inverter power supply circuit 7
4.3. Inverter defrost 7
5 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 8
5.1. Check the grounding 8
5.2. Inverter warnings 8
5.3. Part replacement. 9
5.4. When the 15A fuse is blown due to the malfunction of the
monitor switch: 9
5.5. Avoid inserting nails, wire etc. through any holes in the
unit during operation. 9
5.6. Verification after repair 9
5.7. Sharp edges 9
6 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 10
6.1. Magnetron 10
6.2. Digital programmer circuit (D.P.C) 10
6.3. Low voltage transformer and/or power relays (RY1) 11
6.4. DC fan motor 11
6.5. Door assembly 12
6.6. Turntable motor 13
6.7. H.V. Inverter Power Supply 14
7 COMPONENT TEST PROCEDURE 15
7.1. Primary, Secondary Interlock Switch & Power Relay RY1
15
7.2. Monitor Switch 15
7.3. Magnetron 15
7.4. DC fan motor 15
7.5. Inverter power supply (U) 16
7.6. Temperature thermistor 16
8 MEASUREMENTS AND ADJUSTMENTS 17
8.1. Adjustment of primary interlock switch, secondary interlock
switch and monitor switch. 17
8.2. Measurement of microwave output 17
9 PROCEDURE FOR MEASURING MICROWAVE ENERGY
LEAKAGE 18
9.1. Equipment 18
9.2. Procedure for measuring radiation leakage 18
9.3. Record keeping and notification after measurement 18
9.4. At least once a year, have the radiation monitor checked
for calibration by its manufacturer. 19
10 TROUBLESHOOTING GUIDE 20
10.1. (Troubleshooting) Oven stops operation during cooking 21
10.2. (Troubleshooting) Other problems 22
10.3. Troubleshooting of inverter circuit (U) and magnetron 23
10.4. Trouble related to Digital Programmer Circuit 24
10.5. SIMPLE WAY OF H.V. INVERTER/MAGNETRON
TROUBLESHOOTING 25
10.6. H.V.INVERTER BOARD MAIN PARTS LIST
(F606Y8X00AP) 25
10.7. How to check the semiconductors using an OHM meter 26
11 EXPLODED VIEW AND PARTS LIST 27
11.1. EXPLODED VIEW 27
11.2. PARTS LIST 28
11.3. ESCUTCHEON BASE ASSEMBLY 29
11.4. DOOR ASSEMBLY 30
11.5. WIRING MATERIALS 31
11.6. PACKING AND ACCESSORIES 32
12 DIGITAL PROGRAMMER CIRCUIT 33
12.1. SCHEMATIC DIAGRAM 33
12.2. PARTS LIST 35
CONTENTS
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NN-SD372S