Sharp r-8580 manual Seqment Data Siqnal, Kev strobe siqnal, Seqment Data signal, Control Output

Page 25

R-8580

PIN NO.

 

15

1 SIGNAL

/

El4

Segment

data

signal.

 

 

Signal similar

to

E6.

 

 

PIN NO.

/

16

1 SIGNAL

j

El5

Seqment

data

siqnal.

 

 

I I/O

I I/O

j OUT

(RD939A2U)

1 OUT

Signal similar to E6.

Kev strobe siqnal.

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

terminal while one of G-6 line keys on key matrix is touched.

(RD939A3U)

PINNO.

 

I17

 

1 SIGNAL

1 El 6

I

I/O

) OUT

 

 

 

 

Segment

data

siqnal.

 

 

 

 

 

Signal

similar

to

E6.

 

 

 

 

 

Kev strobe

 

siqnal.

 

 

 

 

 

Signal

applied

to

touch-key section.

--

 

 

 

 

A pulse signal is input to AN4-AN7 terminal while one of G-7 line keys on key matrix is touched.

(RD939A3U)

PIN NO. / 18

Seqment data siqnal.

Signal similar to E6.

Kev strobe siqnal.

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

1 SIGNAL 1 El7

I

I/O

1 OUT

 

 

terminal while one of G-8 line keys on key matrix is touched.

(RD939A3U)

PIN NO.

1 19,20

1 SIGNAL j El 8,E19

I

I/O

j OUT

 

 

Seqment

data signal.

 

 

 

 

Signal similar

to E6.

 

 

I I/O

PIN NO.

/

21-24

1 SIGNAL

1 E20-E23

 

 

 

 

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

PIN NO. ) 25

1 SIGNAL

j EX

I l/O

 

 

(RD939A2U)

; OUT

(RD936Al U)

IN

Internal clock oscillation frequency input settinq.

The internal clock frequency is set by inserting the ceramic filter oscillation circuit with respect to X terminal.

 

 

 

 

 

 

 

 

 

I/O

(RD93EA2U)

PIN

NO.

j

26

1

SIGNAL

j

X

I

/ OUT

Internal

clock oscillation

frequency

control

 

output.

 

 

 

Output to control oscillation input of EX.

 

 

 

 

(RD93EAl U)

 

 

 

 

 

 

 

 

 

 

PIN

NO.

j

27

1

SIGNAL

/

RESET

I

I/O

1 IN

Auto

clear

terminal.

 

 

 

 

 

 

 

Signal is input to reset the LSI to the initial state when power is supplied.

Temporarily set to “L” level the moment power is supplied, at this time the LSI is reset, Thereafter set at “H” level.

(RD93MA2U)

PIN NO.

1 28

1 SIGNAL / SO E24

I

I/O

/ OUT

 

 

 

 

Segment

data

siqnal.

 

 

 

Signal similar to

E6.

 

 

 

(RD939A2U)

24

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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 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 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 Checking the initial sensor cooking condition Testing Method for AH Sensor AND/OR Control UnitWater load cooking test Steps Occurance Cause or Correction Sensor Dummy Resistor CircuitOutline of Touch Control Panel Touch Control Panel AssemblyLSI 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 RemovalConvection Motor Removal Magnetron 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 Door Replacement and AdjustmentDoor Adjustment Microwave Measurement Preparation for TestingRequirement 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
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