Panasonic NN-K103WF User Manual

ORDER NO.SIMMC 0301010A2
Microwave Oven
NN-K153WF / NN-K103WF / NN-K123MF
BPQ(U.K.)
EPG(Germany, France, Italy, Finland, Spain, Portugal, Greece,
Poland, Holland)
WPG(Switzerland)
Please file and use this specified manual together with the service
manual for Model NN-K152WF/NN-K102WF(ORDER NO.
SIMMC0203001C2).
SPECIFICATIONS
1

Panasonic NN-K103WF Specifications

General

Type	Microwave Oven
Power Output	800 W
Turntable	Yes
Weight	11.5 kg
Color	White
Capacity	20 Litres
Cooking Modes	Microwave

Summary

Microwave Oven Specifications

Schematic Diagram: NN-K103WF

Troubleshooting Safety Cautions

Safety Precautions During Troubleshooting

General warnings and advice for technicians regarding safety during repair.

Measurements and Adjustments

Latch Switch Adjustment

Adjusting primary, secondary latch switches, and short switch for proper door closure.

Latch Switch and Short Switch Adjustment

Adjusting primary, secondary latch switches, and short switch for proper operation.

Microwave Output Measurement

Procedure to measure the microwave output power using a simple method.

Exploded View and Parts List

Parts List Details

Digital Programmer Circuit Schematic (NN-K153WF/K123MF)

Microwave Oven Specifications (NN-K152WF/NN-K102WF)

Control Panel Overview

Circuit Test and Operation Procedures

Schematic Diagram: NN-K102WF

Schematic Diagram: NN-K152WF

Troubleshooting Safety Precautions (NN-K152WF/NN-K102WF)

Grounding Check

High Voltage Capacitor Discharge

Procedure to safely discharge the high voltage capacitor before servicing.

Component Replacement Safety

Fuse Blow Troubleshooting

Post-Repair Checks

Disassembly and Parts Replacement Procedures

Magnetron Replacement

Step-by-step procedure for replacing the magnetron component.

DPC and Membrane Keyboard Replacement

Procedure for replacing the Digital Programmer Circuit and membrane keyboard.

Low Voltage Transformer & Power Relays

Procedure for replacing the low voltage transformer and power relays.

Timer Replacement

Fan Motor Replacement

Door Assembly Replacement

Turntable Motor Replacement

Quartz Heater Replacement

Component Testing Procedures

Latch Switch and Power Relay Tests

Testing continuity of door interlock switches and power relay B.

Short Switch and Monitor Test

High Voltage Transformer Test

Checking continuity and resistance of the high voltage transformer.

High Voltage Capacitor Test

Checking continuity and resistance of the high voltage capacitor.

Magnetron Test

Checking the magnetron for open filament or short circuits.

Diode Test

Microwave Oven Troubleshooting Guide

Digital Programmer Circuit Troubleshooting

Semiconductor Testing with Ohmmeter

Digital Programmer Circuit Schematic (NN-K152WF)