Figure S-3. Printed Wiring Board, Ii I | Sharp r-8580 guide

R-8580

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Relay Unit

Control Unit

Figure S-3. Printed Wiring Board

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Sharp r-8580 manual Figure S-3. Printed Wiring Board, Ii I

Contents

Sharp 8580 Microwave RadiationSharpcorporatkn OSAKA, Japan Convection Microwave Oven Product Description Specification Auto-TouchTM Control Panel Cooking Condition OperationDescription of Operating Sequence OFF Condition Convection Cooking Condition Convection Cooking ConditionAutomatic MIX Cooking Condition Preheating Condition Cooking Sequence Sensor Cooking ConditionCompu Cook Easy Defrost Cooking 240V-50Hz G-4 Figure O-l. Oven Schematic-OFF Condition Figure O-3. Oven Schematic-Convection Cooking Condition Description and Function of Components Convection Heater Convection Cooking SystemDamper OPEN-CLOSE Mechanism Problem Possible Cause Test Procedure Correction ServicingOFF Condjtion Problem Possible Cause Test Procedure or Correction Nents Defective Convection Heater Procedure RelayRY4 Unit Microwave Output Power Test Procedures Letter Component Magnetron Assembly Test High Voltage Rectifier and Rectifier Test Procedure Letter Test Procedures CONT’D Component TestPower Transformer Test Switch Test Thermal CUT-OUT Test Procedures CONT’D Letter Component Monitor Switch TestBlown Fuse TEMP. Fuse Test Damper Motor Test Procedure LetterDamper Switch Test Thermistor Test Relay Symbol Operational Connected Components Voltage Test Procedures CONT’O Letter Component Relay Unit KEY Unit Test Testing Method for AH Sensor AND/OR Control Unit Checking the initial sensor cooking conditionWater load cooking test Steps Occurance Cause or Correction Sensor Dummy Resistor Circuit Touch Control Panel Assembly Outline of Touch Control PanelLSI LSI IZA096DR Description of LSJ Internal clock oscillation frequency input settinq Seqment Data signalSeqment Data Siqnal Kev strobe siqnal Magnetron High-voltaae Circuit driving Signal Signal to SoundSignal svnchronized with commercial source frequencv50Hz Power source voltage Signal coming from touch key Damper motor relav driving signalInput signal which communicates the door open/close Signal cominq from touch kev Terminal For Manufacture Test Temperature measurement input Oven ThermistorSensor Inuut RI4 Sensor Circuit Absolute Humidity Servicing of Touch Control Panel Other PrecautionsServicing Shapes of Electronic Components Turntable Motor AND/OR Coupling Removal Component Replacement and Adjustment ProcedurePower Transformer Removal High Voltage Capacitor Removal Magnetron Removal Convection Motor RemovalCooling FAN Motor Removal Removal Upper Latch Switch / Monitor Switch RemovalLower Latch Switch and Stop Switch Removal Damper CPU Unit and KEY Unit Control Panel Assembly and CPU Unit Removal Door Replacement and Adjustment Door ReplacementDoor Adjustment Preparation for Testing Microwave MeasurementRequirement 11II II II II OIL 8580 II I Figure S-3. Printed Wiring Board AY AK AF AH Parts List RR-DZ561PDREO Q8L AT AH FOVN-A090WRYO AG AD 11 AA 13 AA Ii AA Replacement Parts List 8580 ‘Y \‘\ Control Panel Parts Door Assembly Miscellaneous Packing and Accessories 8580 8580 Sharp