Panasonic NN-S560WF, NN-S560BF, NN-L530BF service manual Inverter Power Supply U

Page 16

8. Inverter Power Supply (U)

CAUTIONS WHILE REPLACING INVERTER POWER SUPPLY (U)

1.Make sure to leave the grounding plate in its place.

2.Make sure to securely tighten grounding screw from the bottom of chasis (base).

3.Securely connect 3 lead wire connectors.

4.Make sure the heat sink has enough space (gap) from the oven. Take special care not to touch any lead wire to the aluminum heat sink because it is hot.

1. Take off outer panel.

2. Remove screw

3.Remove screw

4.Disconnect all wires from inverter. Detach turntable wires from inverter bracket.

5. Remove screw and slide oriffice toward you, then lift up and out.

6. Slide four locking of oriffice at the bottom of the base slightly

7.Remove 2 screws holding inverter to inverter bracket.

8.Replace inverter and reassemble to inverter bracket A.

9.Retighten 2 screw

10.Slide and place assembly to the correct location of a completed unit.

11.Push Inverter Assembly until locking tabs are locked.

12.Retighten inverter screws and orifice screws.

13.Reconnet all wires to correct location and redress turntable wires.

- 15 -

Image 16

Contents Microwave Oven RPH Model refer to the lastContents Inverter Warning Feature Chart Control PanelStop/Reset Pad Operation and Digital Programmer Circuit Test Procedure Operation Scroll DisplayChild Schematic Diagram APH Schematic Diagram CPH Variable power cooking control Inverter Power Supply Circuit NEW H,VVariable Power Cooking Description of Operating SequenceExplanation of the Auto Sensor Cooking process Sensor Cooking NN-S560BFAPH/CPH NNSensor Reheat NN-S560BFAPH/CPH,NN-S560WF APH/CPH Check the grounding Inverter Warnings NEW H.VConfirm after repair Microwave RadiationDisassembly and Parts Replacement Procedure Until alignment is achieved Door assemblySteam Sensor Inverter Power Supply U Primary Latch Switch, Secondary Secondary Latch Switch and Power Relay B InterlocksShort Switch & Monitor Membrane key board Membrane switch assemblySteam Sensor and Digital Programmer Circuit Measurement of microwave output Measurements and Adjustments1min. test Procedure for measuring radiation leakage Procedure for Measuring Microwave Energy LeakageRecord keeping and notification after measurement Troubleshooting Guide Symptom Cause CorrectionsDPC Troubleshooting of Inverter Circuit U and Magnetron NEW H.V Trouble Related to Digital Programmer Circuit Exploded View and Parts List Parts List Ref.No Part name & Description Pcs Remarks SetFAN Motor Door Assembly 4T0 Ref.No Part name & Description Pcs Remarks SetEscutheon Base Assembly Packing and Accesories Wiring Material Parts List Digital Programmer CircuitDigital Programmer Circuit Page Page Model for Latin America & Mexico