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General| Brand | Panasonic |
|---|---|
| Model | NN-J993 |
| Category | Microwave Oven |
| Language | English |
Controls microwave output power via inverter signals.
Describes the auto weight defrost process, including time and weight selection.
Details temperature control for convection cooking using digital programmer circuit.
Explains the alternating use of microwave and convection for combined cooking cycles.
Explains temperature detection by IR sensor for automatic reheating based on food temperature.
Details the process of pumping water to the steam generation heater.
Describes the preheating and cooking process involving steam generation and temperature control.
Stresses the necessity of proper grounding for safe operation and repair.
Highlights dangers of high voltage, high current, and hot surfaces on the inverter board.
Provides instructions for removing and replacing the Inverter PCB.
Details the procedure for removing and replacing the steam heater unit.
Outlines the steps for removing and replacing the Digital Programmer Circuit (DPC).
Provides instructions for removing and replacing the fan motor.
Details the procedure for removing and replacing the magnetron assembly.
Outlines the procedure for removing and replacing the magnetron thermistor.
Provides instructions for removing and replacing the upper heater.
Details the procedure for removing and replacing the back heater.
Outlines the steps for removing and replacing the antenna motor.
Provides instructions for removing and replacing the convection fan motor.
Details the procedure for replacing the oven thermistor.
Outlines the procedure for removing and replacing the oven shelf.
Provides instructions for disassembling and replacing various door parts.
Checks continuity of primary/secondary latch switches and power relay 2 for interlocks.
Tests the continuity of the short switch in relation to the monitor circuit.
Outlines continuity checks for the magnetron filament and case.
Provides guidance on testing the High Voltage Inverter Power Supply (U).
Details specific tests for the Inverter Power Supply (U) related to input current.
Explains checking resistance values of magnetron, steam, and oven thermistors.
Guides on how to set specific test modes for diagnostics and troubleshooting.
Details the procedure for testing the IR sensor's movement and temperature reading capability.
Tests microwave oscillation by measuring input amperage under various power settings.
Procedures for testing the Upper, Convection, and Steam heaters.
Outlines AC line voltage adjustment procedure, specifically after IR sensor replacement.
Provides adjustment procedures for primary/secondary latch and short switches.
Describes a method to measure microwave output power using a water load test.
Explains how to access and interpret the oven's self-diagnostic error codes.
Comprehensive list of replacement parts with their corresponding part numbers.
Provides an exploded view and parts list for the oven door assembly.
Details the exploded view and parts for the escutcheon base assembly.
Lists components included in the product packaging and available accessories.
Catalog of wiring harnesses and lead wires used in the appliance.
Provides an exploded view and parts list for the water tank and related components.
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