Sharp r-8580 manual Figure O-3. Oven Schematic-Convection Cooking Condition

Page 9

R-8580

240V-50Hz

			TEMP.
			FUSE
MONITOR RESISTOR 0.8/20W	MONITOR	SWITCH	I142°C
OVEN LAMP	a//o		I142°C
OVEN LAMP
FAN MOTOR
			I

AC CORD CONNECTION

BRN : BROWN

BLU : BLUE

G-Y : GREEN AND

YELLOW STRIPE

117: SECTIONAL AREA

OF l.Omm’ MIN.

LOWER

UPPER LATCH

LATCH

SWITCH

SCHEMATIC	I	4

NOTE: CONDITION

OF OVEN

1.DOOR CLOSED

2.CONVECTION PAD TOUCHED

3.DESIRED TEMP. PAD TOUCHED

4.START PAD TOUCHED

CON”ECTlON%ATERI

POWER TRANSFORMER

RECTIFIER j !

CAPACITOR

1.13/i4 AC2200V

MAGNETRON

HIGH VOLTAGE

RECTIFIER

Figure O-3. Oven Schematic-Convection Cooking Condition

Image 9

Contents Sharp Sharpcorporatkn OSAKA, Japan Microwave RadiationConvection Microwave Oven 8580Product Description SpecificationAuto-TouchTM Control Panel Description of Operating Sequence OperationOFF Condition Cooking ConditionAutomatic MIX Cooking Condition Convection Cooking ConditionPreheating Condition Convection Cooking ConditionCompu Cook Sensor Cooking ConditionEasy Defrost Cooking Cooking Sequence240V-50Hz G-4 Figure O-l. Oven Schematic-OFF ConditionFigure 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 TestPower Transformer Test Procedure Letter Test Procedures CONT’D Component TestSwitch Test High Voltage Rectifier and Rectifier TestBlown Fuse Test Procedures CONT’D Letter Component Monitor Switch TestTEMP. Fuse Test Thermal CUT-OUTDamper Switch Test Procedure LetterThermistor Test Damper Motor TestRelay Symbol Operational Connected Components Voltage Test Procedures CONT’O Letter Component Relay UnitKEY 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 CircuitTouch Control Panel Assembly Outline of Touch Control PanelLSI LSI IZA096DR Description of LSJSeqment Data Siqnal Seqment Data signalKev strobe siqnal Internal clock oscillation frequency input settinqSignal svnchronized with commercial source frequencv50Hz Signal to SoundPower source voltage Magnetron High-voltaae Circuit driving SignalInput signal which communicates the door open/close Damper motor relav driving signalSignal cominq from touch kev Signal coming from touch keySensor Inuut Temperature measurement input Oven ThermistorRI4 Terminal For Manufacture TestSensor Circuit Absolute HumidityServicing Other PrecautionsShapes of Electronic Components Servicing of Touch Control PanelPower Transformer Removal Component Replacement and Adjustment ProcedureHigh Voltage Capacitor Removal Turntable Motor AND/OR Coupling RemovalMagnetron Removal Convection Motor RemovalCooling FAN Motor Removal Lower Latch Switch and Stop Switch Removal Upper Latch Switch / Monitor Switch RemovalDamper RemovalCPU Unit and KEY Unit Control Panel Assembly and CPU Unit RemovalDoor Replacement and Adjustment Door ReplacementDoor Adjustment Preparation for Testing Microwave MeasurementRequirement 11II II II II OIL 8580 II I Figure S-3. Printed Wiring BoardAY AK AF AH Parts ListRR-DZ561PDREO Q8LAT AH FOVN-A090WRYO AG AD 11 AA 13 AA Ii AA Replacement Parts List 8580 ‘Y \‘\ Control Panel Parts Door Assembly MiscellaneousPacking and Accessories 8580 8580 Sharp