Table Of Contents - Panasonic NN-SD372 Service Manual

NN-SD372S
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. Inverter defrost
5 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 8
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
monitor 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 10
6.1. Magnetron
6.2. Digital programmer circuit (D.P.C)
6.3. Low voltage transformer and/or power relays (RY1)
6.4. DC fan motor
6.5. Door assembly
6.6. Turntable motor
6.7. H.V. Inverter Power Supply
7 COMPONENT TEST PROCEDURE
7.1. Primary, Secondary Interlock Switch & Power Relay RY1
7.2. Monitor Switch
7.3. Magnetron
7.4. DC fan motor
7.5. Inverter power supply (U)
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5 7.6. Temperature thermistor
5 8 MEASUREMENTS AND ADJUSTMENTS
6 8.1. Adjustment of primary interlock switch, secondary interlock
7 switch and monitor switch.
7 8.2. Measurement of microwave output
7 9 PROCEDURE FOR MEASURING MICROWAVE ENERGY
7 LEAKAGE
9.1. Equipment
8 9.2. Procedure for measuring radiation leakage
8 9.3. Record keeping and notification after measurement
9 9.4. At least once a year, have the radiation monitor checked
for calibration by its manufacturer.
9
10 TROUBLESHOOTING GUIDE
10.1. (Troubleshooting) Oven stops operation during cooking 21
9 10.2. (Troubleshooting) Other problems
9 10.3. Troubleshooting of inverter circuit (U) and magnetron
9 10.4. Trouble related to Digital Programmer Circuit
10.5. SIMPLE WAY OF H.V. INVERTER/MAGNETRON
10 TROUBLESHOOTING
10 10.6. H.V.INVERTER BOARD MAIN PARTS LIST
11 (F606Y8X00AP)
11 10.7. How to check the semiconductors using an OHM meter 26
12 11 EXPLODED VIEW AND PARTS LIST
13 11.1. EXPLODED VIEW
14 11.2. PARTS LIST
15 11.3. ESCUTCHEON BASE ASSEMBLY
11.4. DOOR ASSEMBLY
15 11.5. WIRING MATERIALS
15 11.6. PACKING AND ACCESSORIES
15 12 DIGITAL PROGRAMMER CIRCUIT
15 12.1. SCHEMATIC DIAGRAM
16 12.2. PARTS LIST
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