Table Of Contents - Panasonic NN-C784MF Service Manual

NN-C784MF
CONTENTS
1 SCHEMATIC DIAGRAM
2 DESCRIPTION OF OPERATING SEQUENCE
2.1. Variable power cooking control
2.2. Inverter power supply circuit
2.3. Turbo defrost, Auto cook
2.4. Sensor cooking
2.5. Sensor reheat
2.6. Steam sensor and digital programmer circuit
2.7. Convection Cooking Control
2.8. Combination Cooking
3 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 9
3.1. Check the grounding
3.2. Inverter warnings
3.3. Part replacement.
3.4. When the 10A fuse is blown due to the malfunction of the
short switch:
3.5. Avoid inserting nails, wire etc. through any holes in the
unit during operation.
3.6. Verification after repair
3.7. Sharp edges
4 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 11
4.1. Magnetron
4.2. Digital Programmer Circuit (D.P.C.), membrane key board
and power relay.
4.3. H.V. Inverter
4.4. Door assembly
4.5. Turntable motor
4.6. Heater
4.7. Steam sensor
Page
5 5 COMPONENT TEST PROCEDURE
6 5.1. Primary, Secondary Latch Switch interlocks & Power
6 Relay RY1
6 5.2. Short switch & monitor
6 5.3. Magnetron
6 5.4. Inverter power supply (U)
7 5.5. Temperature thermistor
7 6 MEASUREMENTS AND ADJUSTMENTS
7 6.1. Adjustment of primary latch switch, secondary latch switch
8 and short switch.
6.2. Measurement of microwave output
9 7 TROUBLESHOOTING GUIDE
9 7.1. (Troubleshooting) Oven stops operation during cooking 19
10 7.2. (Troubleshooting) Other problems
7.3. Trouble related to Digital Programmer Circuit
10 7.4. Troubleshooting of inverter circuit (U) and magnetron
7.5. Simple way of H.V. Inverter/magnetron troubleshooting 23
10 7.6. How to check the semiconductors using an OHM meter 23
10 7.7. H.V. INVERTER MAIN PARTS LIST (F606Y4V00XN)
10 8 EXPLODED VIEW AND PARTS LIST
8.1. EXPLODED VIEW
11 8.2. PARTS LIST
8.3. WIRING MATERIALS
11 8.4. DOOR ASSEMBLY
12 8.5. ESCUTCHEON BASE ASSEMBLY
13 8.6. PACKING AND ACCESSORIES
14 9 DIGITAL PROGRAMMER CIRCUIT
14 9.1. SCHEMATIC DIAGRAM
15 9.2. PARTS LIST
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