Panasonic NN-SN977S User Manual

© 2007 Panasonic Home Appliances Microwave
Oven (Shanghai) Co., Ltd. All rights reserved.
Unauthorized copying and distribution is a violation
of law.
NN-SD997S
NN-SD987S
NN-SD967S
NN-SN977S
NN-SN957S
NN-SN947S
APH(USA)
CPH(CANADA)
Microwave Oven
Please file and use this specified manual together with the service manual for Model NN-T695 (ORDER NO.
PHAMOS0501001C7).
ORDER NO.PHAMOS0701005A1
E1

Panasonic NN-SN977S Specifications

General

Brand	Panasonic
Model	NN-SN977S
Category	Microwave Oven
Language	English

Summary

Safety and Warnings

General Service Safety

Crucial safety information for servicing microwave ovens.

Microwave Radiation Precautions

Guidelines to avoid exposure to microwave radiation during service.

High Voltage Inverter Safety

Inverter Power Supply Dangers

Warnings about high voltage and temperature hazards in the inverter.

Schematic Diagrams

APH Model Schematic

CPH Model Schematic

Measurements and Adjustments

Switch Adjustments

Procedures for adjusting latch and short switches for door operation.

Microwave Output Measurement

Method for measuring microwave output power using a simple test.

Microwave Leakage Procedures

Leakage Measurement Equipment

Tools required for measuring microwave energy leakage.

Leakage Measurement Procedure

Steps for measuring microwave leakage with and without panels.

Troubleshooting and Parts

Inverter/Magnetron Troubleshooting

Simple method to identify inverter or magnetron issues using the "3/37 seconds rule".

Digital Programmer Circuits

NN-SD997S/SD987S Programmer Circuit

Detailed schematic of the digital programmer circuit for specific models.

NN-SD967S Programmer Circuit

NN-SN977S Programmer Circuit

NN-SN957S Programmer Circuit

NN-SN947S Programmer Circuit

Detailed Parts Lists

NN-SD997S/SD987S/CPH Parts List

NN-SD967S APH Parts List

NN-SN977S/SN957S APH Parts List

NN-SN947S APH Parts List