Panasonic NN-CF770M CPH, Руководство по обслуживанию

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1 FEATURE CHART 5
2 CONTROL PANEL 5
3 SCHEMATIC DIAGRAM 6
3.1. CPH 6
3.2. RPH 7
4 DESCRIPTION OF OPERATING SEQUENCE 8
4.1. Variable power cooking control 8
4.2. Inverter power supply circuit 8
4.3. Auto Menu cooking 8
4.4. Grill cooking control 8
4.5. Combination Cooking 8
4.6. Convection cooking control 9
5 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 10
5.1. Check the grounding 10
5.2. Inverter warnings 10
5.3. Part replacement. 11
5.4. When the 20A fuse is blown due to the malfunction of the
monitor interlock switch: 11
5.5. Avoid inserting nails, wire etc. through any holes in the
unit during operation. 11
5.6. Verification after repair 11
5.7. Sharp edges 11
6 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 12
6.1. Inverter power supply 12
6.2. Magnetron 13
6.3. Digital programmer circuit (D.P.C) & Membrane Sheet 13
6.4. Low voltage transformer and/or power relays (RY1, RY2,
RY4, RY5, RY6, RY7) 15
6.5. Fan motor 15
6.6. Quartz heater 16
6.7. Door assembly 16
6.8. Stirrer motor 17
6.9. Convection fan motor and convection heater 17
7 COMPONENT TEST PROCEDURE 20
7.1. Primary, Secondary Latch Switch interlocks & Power
Relay RY1 20
7.2. Monitor Interlock Switch 20
7.3. Magnetron 20
7.4. Inverter power supply (U) 21
7.5. Temperature thermistor 21
8 MEASUREMENTS AND ADJUSTMENTS 22
8.1. Adjustment of primary latch switch, secondary latch switch
and monitor interlock switch. 22
8.2. Measurement of microwave output 22
9 PROCEDURE FOR MEASURING MICROWAVE ENERGY
LEAKAGE 23
9.1. Equipment 23
9.2. Procedure for measuring radiation leakage 23
9.3. Record keeping and notification after measurement 23
9.4. At least once a year, have the radiation monitor checked
for calibration by its manufacturer. 24
10 TROUBLESHOOTING GUIDE 25
10.1. (Troubleshooting) Oven stops operation during cooking 26
10.2. (Troubleshooting) Other problems 27
10.3. Troubleshooting of inverter circuit (U) and magnetron 28
10.4. Trouble related to Digital Programmer Circuit 29
10.5. SIMPLE WAY OF H.V. INVERTER/MAGNETRON
TROUBLESHOOTING 30
10.6. H.V.INVERTER BOARD MAIN PARTS LIST
(F606Y8X00AP) 30
10.7. How to check the semiconductors using an OHM meter 31
11 EXPLODED VIEW AND PARTS LIST 32
11.1. EXPLODED VIEW 32
11.2. PARTS LIST 33
11.3. ESCUTCHEON BASE ASSEMBLY 35
11.4. DOOR ASSEMBLY 36
11.5. WIRING MATERIALS 37
11.6. PACKING AND ACCESSORIES 38
12 DIGITAL PROGRAMMER CIRCUIT 39
12.1. SCHEMATIC DIAGRAM 39
12.2. PARTS LIST 41
CONTENTS
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NN-CF770M