Table Of Contents - Panasonic NN-CF771S Service Manual

NN-CF771S
CONTENTS
1 FEATURE CHART
2 CONTROL PANEL
3 SCHEMATIC DIAGRAM
4 DESCRIPTION OF OPERATING SEQUENCE
4.1. Variable power cooking control
4.2. Inverter power supply circuit
4.3. Auto Menu cooking
4.4. Grill cooking control
4.5. Convection & Grill Convection cooking control
5 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 9
5.1. Check the grounding
5.2. Inverter warnings
5.3. Part replacement.
5.4. When the 15A fuse is blown due to the malfunction of the
short switch:
5.5. Avoid inserting nails, wire etc. through any holes in the
unit during operation.
5.6. Verification after repair
5.7. Sharp edges
6 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 11
6.1. Inverter power supply
6.2. Magnetron
6.3. Digital programmer circuit (D.P.C)
6.4. Low voltage transformer and/or power relays (RY1, RY2,
RY4, RY6)
6.5. Fan motor
6.6. Quartz heater
6.7. Door assembly
6.8. Stirrer motor
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5 6.9. Convection fan motor and convection heater
5 7 COMPONENT TEST PROCEDURE
6 7.1. Primary, Secondary Latch Switch interlocks & Power
7 Relay RY1
7 7.2. Short Switch
7 7.3. Magnetron
7 7.4. Inverter power supply (U)
7 7.5. Temperature thermistor
8 8 MEASUREMENTS AND ADJUSTMENTS
8.1. Adjustment of primary latch switch, secondary latch switch
9 and short switch.
9 8.2. Measurement of microwave output
10 9 TROUBLESHOOTING GUIDE
9.1. (Troubleshooting) Oven stops operation during cooking 23
10 9.2. (Troubleshooting) Other problems
9.3. Troubleshooting of inverter circuit (U) and magnetron
10 9.4. Simple way of H.V. Inverter/magnetron troubleshooting 26
10 9.5. How to check the semiconductors using an OHM meter 26
10 9.6. H.V. INVERTER MAIN PARTS LIST (F606Y6Y40BP)
10 EXPLODED VIEW AND PARTS LIST
11 10.1. EXPLODED VIEW
12 10.2. PARTS LIST
12 10.3. ESCUTCHEON BASE ASSEMBLY
10.4. DOOR ASSEMBLY
14 10.5. WIRING MATERIALS
14 10.6. PACKING AND ACCESSORIES
15 11 DIGITAL PROGRAMMER CIRCUIT
15 11.1. SCHEMATIC DIAGRAM
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