Sharp r-8580 manual Description of LSJ, LSI IZA096DR

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DESCRIPTION OF LSJ

LSI( IZA096DR)

The I/O signal of the LSI(IZA096DR) is detailed in the following table.

(RD93101 U)

		I
PIN NO.	l-6	1 SIGNAL ) EO-E5	I I/O	/ OUT

Digit selection signal.

Refer to the touch control panel circuit about the relation between signals and digits.

Normally, one pulse is output in every synchronized signal period, and input to the grid of the fluorescent disrla[.

						(RDS f3Al )
PIN NO.	7	1 SIGNAL	j E6	I	I/O	j OUT
Segment	data	signals.

Refer to the touch control panel circuit for the relationship between signals and indicators,

Normally, one pulse is output in every synchronized signal period, and input to the anode of the fluorescent dis..lax.

(RDS SAl )

PIN NO. / 8	1 SIGNAL / E7	I I/O j OUT

Segment data siqnal.

Signal similar to E6.

Key strobe signal.

Signal applied to touch-key section.

A pulse signaLis input to AN4-AN7 terminal while one of G-l line keys on key matrix is touched.

(RD939A3U)

PIN NO. j 9

1 SIGNAL j E8

I l/O

j OUT

Segment data sianal.

Signal similar to E6.

Key strobe signal.

Signal applied to touch-key section. A pulse signal is input to AN4-AN7

terminal while one of G-2 line keys on key matrix is touched.

(RD939A3U)

PIN NO. / IO,11

Segment data sianal.

Signal similar to E6.

PIN NO. j 12

Segment data signal.

Signal similar to E6.

Key strobe sianal.

Signal applied to touch-key section. A pulse signal is input to AN4-AN7

PINNO. j 13

Segment data siganal.

Signal similar to E6.

Kev strobe signal.

Signal applied to touch-key section. A pulse signal is input to AN4-AN7

1 SIGNAL	!	E9,ElO	I	I/O	/ OUT
					(RD939AZU)
1 SIGNAL	/	El 1	I	I/O	1 OUT

terminal while one of G-3 line keys on key matrix is touched.

(RD939A3U)

1 SIGNAL ( El2	I	I/O	1 OUT
1 SIGNAL ( El2			1 OUT
	-s

terminal while one of G-4 line keys on key matrix is touched.

(RD939A3U)

PIN NO. 14

Seament data signal.

Signal similar to E6.

Kev strobe signal.

Signal applied to touch-key section. A pulse signal is input to AN4-AN7

1 SIGNAL j El3

I l/O ) OUT

terminal while one of G-5 line keys on key matrix is touched.

(RD939A3U)

23

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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 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 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 Testing Method for AH Sensor AND/OR Control Unit Checking the initial sensor cooking conditionWater load cooking test Sensor Dummy Resistor Circuit Steps Occurance Cause or CorrectionTouch Control Panel Assembly Outline of Touch Control PanelLSI 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 RemovalMagnetron Removal Convection Motor 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 and Adjustment Door ReplacementDoor Adjustment Preparation for Testing Microwave MeasurementRequirement 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