Sharp r-8580 manual Sensor Inuut, Temperature measurement input Oven Thermistor, RI4

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PIN NO. / 51

1 SIGNAL

/ AN3

I

I/O

/ IN

Used for initial balancing of the bridge circuit (absolute humidity sensor).

This input is an analog input terminal from the AH sensor circuit,and connected to the A/D converter built into the

(RD936A3U)

PIN	NO.	( 52	SIGNAL	/ AN2	I	I/O	IN
					I
AH	sensor	inuut.

This input is an analog input terminal from the AH sensor circuit, and connected to the A/D converter built into the LSI.

(RD936A2U)

PIN NO.

1 53

1 SIGNAL

j AN1

I

I/O

Temperature measurement input: OVEN THERMISTOR.

By inputting DC voltage corresponding to the temperature detected by the thermistor, temperature by the A/D converter built into the LSI.

PIN NO.	1	54	1	SIGNAL	j	AN0	I	I/O
Terminal	not	used.
PIN NO.	1	55	1	SIGNAL	j	R8	I	I/O
Terminal	not	used.

j IN

this input is converted into

(RD935Al U)

j IN

(RD93KA2U)

/ OUT

(RD93KA2U)

	PIN NO.	1 56-60		) SIGNAL	/	R9-RI3	I	l/O	1 IN
	Terminal	not	used.
							I	I/O		(RD93KA2U)
	PIN NO.	)	61	SIGNAL	j	RI4	I	I/O	1 IN
	PIN NO.	)	61	SIGNAL	j	RI4			1 IN
	Terminal not used. Connected to GND.
										(RD93KAW)
	PIN NO.	1 62		1 SIGNAL	j	RI5	1	l/O	j	IN
	Terminal	for	manufacture	test.
	Normally	terminal not used.
										(RD93lA3U)
	PIN NO.		63	1 SIGNAL	1 NC		I	I/O	/ NC
	Terminal	not used.
								l/O		(RD93KA2U)
	PIN NO.	j	64	1 SIGNAL	)	vcc	I	l/O	j	IN
	Connected	to	GND.

(RD93KAl U)

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Contents Sharp Microwave Radiation Sharpcorporatkn OSAKA, JapanConvection Microwave Oven 8580Specification Product DescriptionAuto-TouchTM Control Panel Operation Description of Operating SequenceOFF Condition Cooking ConditionConvection Cooking Condition Automatic MIX Cooking ConditionPreheating Condition Convection Cooking ConditionSensor Cooking Condition Compu CookEasy Defrost Cooking Cooking SequenceFigure O-l. Oven Schematic-OFF Condition 240V-50Hz G-4Figure O-3. Oven Schematic-Convection Cooking Condition Description and Function of Components Convection Cooking System Convection HeaterDamper OPEN-CLOSE Mechanism Servicing Problem Possible Cause Test Procedure CorrectionOFF Condjtion Problem Possible Cause Test Procedure or Correction Nents Defective Convection Heater Procedure RelayRY4 Unit Test Procedures Letter Component Magnetron Assembly Test Microwave Output PowerProcedure Letter Test Procedures CONT’D Component Test Power Transformer TestSwitch Test High Voltage Rectifier and Rectifier TestTest Procedures CONT’D Letter Component Monitor Switch Test Blown FuseTEMP. Fuse Test Thermal CUT-OUTProcedure Letter Damper Switch TestThermistor Test Damper Motor TestTest Procedures CONT’O Letter Component Relay Unit Relay Symbol Operational Connected Components VoltageKEY Unit Test Checking the initial sensor cooking condition Testing Method for AH Sensor AND/OR Control UnitWater load cooking test Sensor Dummy Resistor Circuit Steps Occurance Cause or CorrectionOutline of Touch Control Panel Touch Control Panel AssemblyLSI Description of LSJ LSI IZA096DRSeqment Data signal Seqment Data SiqnalKev strobe siqnal Internal clock oscillation frequency input settinqSignal to Sound Signal svnchronized with commercial source frequencv50HzPower source voltage Magnetron High-voltaae Circuit driving SignalDamper motor relav driving signal Input signal which communicates the door open/closeSignal cominq from touch kev Signal coming from touch keyTemperature measurement input Oven Thermistor Sensor InuutRI4 Terminal For Manufacture TestAbsolute Humidity Sensor CircuitOther Precautions ServicingShapes of Electronic Components Servicing of Touch Control PanelComponent Replacement and Adjustment Procedure Power Transformer RemovalHigh Voltage Capacitor Removal Turntable Motor AND/OR Coupling RemovalConvection Motor Removal Magnetron RemovalCooling FAN Motor Removal Upper Latch Switch / Monitor Switch Removal Lower Latch Switch and Stop Switch RemovalDamper RemovalControl Panel Assembly and CPU Unit Removal CPU Unit and KEY UnitDoor Replacement Door Replacement and AdjustmentDoor Adjustment Microwave Measurement Preparation for TestingRequirement 11II II II II OIL 8580 Figure S-3. Printed Wiring Board II IParts List AY AK AF AHQ8L RR-DZ561PDREOAT AH FOVN-A090WRYO AG AD 11 AA 13 AA Ii AA Replacement Parts List 8580 Control Panel Parts Door Assembly Miscellaneous ‘Y \‘\Packing and Accessories 8580 8580 Sharp