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Panasonic NN-ST557W User Manual

Panasonic NN-ST557W
16 pages
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© 2007 Panasonic Home Appliances Microwave
Oven (Shanghai) Co., Ltd. All rights reserved.
Unauthorized copying and distribution is a violation
of law.
NN-ST557M
NN-ST557W
HPE(Hong Kong)
YPQ(Singapore)
MPQ(Malaysia)
TPE(Thailand, Indonesia)
YTE(Others)
Microwave Oven
Please file and use this manual together with the service manual for Model NN-S553/K593/K573/K543
(ORDER NO. SIMMC0306022C3).
ORDER NO.PHAMOS0709042A3
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Panasonic NN-ST557W Specifications

General IconGeneral
TypeMicrowave Oven
Control TypeElectronic
TurntableYes
ColourWhite
Sensor CookingYes
Convection CookingNo
Inverter TechnologyNo

Summary

General Safety and Precautions

Servicing and Safety Warnings

Service must be performed by trained personnel. Handle with extreme care due to potential hazards.

Inverter Power Supply Dangers

High Voltage and Temperature Hazards

Details the extreme dangers of high voltage and temperature associated with the inverter power supply and its components.

Inverter Circuit Precautions

Essential warnings: Do not touch circuitry, aluminum heat sink, or tamper with controls without proper test equipment.

Schematic Diagram

Troubleshooting Safety and Warnings

Grounding Requirements

Ensuring proper grounding of the microwave oven is imperative before beginning any repair work.

Inverter Circuit Grounding and Discharge

Critical warnings about grounding the inverter and safely discharging high-voltage capacitors before servicing.

High Voltage Area Precautions

Extreme caution is required when working near high voltage circuits, including the magnetron and inverter.

Repair Procedures and Safety

Microwave Radiation Hazard

Warning about potential radiation exposure from magnetron and high voltage components.

Measurements and Adjustments

Exploded View and Parts List

Digital Programmer Circuit

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