Sharp R-21JCA-F service manual Oven and Cabinet Parts

Page 34

R-21JCA-F

 

 

 

 

 

 

 

 

 

 

 

 

1

2

 

3

 

 

4

 

5

 

 

6

 

 

7-3

 

 

OVEN AND CABINET PARTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2-1

 

 

7-3

 

 

 

 

 

 

 

 

 

A

 

 

 

7-3

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1-10

 

 

 

 

 

 

 

 

 

 

 

 

1-9

 

 

 

 

 

 

 

 

 

 

 

 

4-28

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7-13

 

 

B

 

 

 

7-3

 

 

 

 

 

4-9

6-6

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4-10

 

 

 

 

 

 

6-8

 

 

 

 

 

 

7-13

 

7-13

 

 

 

 

4-25

 

7-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7-6

 

 

7-12

 

1-4

4-32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4-34

 

4-26

 

1-13

 

6-5

 

 

 

 

 

 

 

 

4-26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

6-3

 

1-4

 

C

 

4-24

 

 

 

 

 

 

 

 

 

4-27

 

 

 

6-4

4-15

 

 

 

1-1

 

 

 

 

 

 

 

 

 

 

4-14

 

 

 

 

 

 

 

 

7-7

 

7-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4-19

 

 

 

 

 

 

 

4-15

1-8

 

 

 

 

 

4-36

 

 

4-16

 

 

 

4-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7-10

 

 

 

 

 

 

 

 

 

 

7-9

 

 

4-40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

7-11

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

4-23

 

 

 

 

 

 

 

1-12

 

4-18

 

4-21

4-20

 

 

 

 

 

4-24

 

 

 

 

 

 

 

 

 

 

 

7-8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4-21

4-21

 

 

 

 

7-7

 

 

 

 

7-2

 

4-22

 

 

 

 

 

 

 

 

 

 

 

4-20

 

 

 

7-4

 

 

 

4-13

 

 

 

 

 

 

 

 

 

 

1-7

 

 

 

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

4-33

 

 

 

 

 

E

 

 

 

 

 

 

7-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6-10

4-29

 

 

 

7-4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1-11

 

7-7

1-15

 

 

 

 

 

 

 

 

7-1

 

 

 

 

 

 

 

 

 

 

4-31

 

 

 

 

 

 

 

 

 

 

4-6

 

 

 

 

 

 

 

 

 

 

 

 

7-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4-3

1-6

 

 

 

 

 

 

 

4-30

 

4-8

 

1-3

 

 

4-12

 

 

 

F

 

 

 

 

 

 

 

 

F

 

 

 

 

 

1-1

 

 

 

 

 

 

2-2

 

 

 

 

 

 

 

 

 

4-1

 

 

 

 

4-7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4-38

 

 

 

 

4-4

 

 

 

 

 

 

 

4-20

 

 

1-2

 

4-11

 

 

4-39

 

 

4-37

 

 

4-6

 

 

1-5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4-5

 

 

 

 

 

 

 

4-20

 

 

 

 

 

 

 

 

 

7-5

 

G

 

 

 

4-41

 

 

 

 

7-1

 

 

G

 

 

 

 

 

 

 

 

 

 

4-35

 

7-11

 

 

 

 

 

 

 

1-14

 

 

 

 

2-4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2-4

4-24

4-17

 

 

 

 

 

 

H

2-3

 

 

7-11

x2

 

 

 

 

 

 

H

 

 

 

 

 

 

 

 

 

 

2-5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7-8

 

 

 

 

 

 

 

7-11

 

 

 

 

 

 

 

 

 

 

 

 

1

2

 

3

 

 

4

 

5

 

 

6

 

 

 

 

 

32

 

 

 

 

 

 

 

 

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Contents Model R-21JCA-F Before Servicing When the testing is completed Dont Touch Before ServicingRequirements Microwave Measurement ProcedureLeakage test Light Duty Commercial Microwave Oven 21JCA-F Foreword Sharp Electronics CorporationMaximum width, depth and height SpecificationGeneral Information Actual capacity for holding food is lessOven Diagram 10 6OFF Condition OperationDescription of Operating Sequence Cooking ConditionFigure O-1 Oven Schematic-OFF Condition FM AMDescription and Function of Components Test Procedure Possible Case Defective Parts Troubleshooting GuideProblem Microwave Output Power Power Transformer TestThermal CUT-OUT Test 125˚C Oven High Voltage Capacitor TestThermal CUT-OUT Test 145˚C Magnetron Primary Interlock System Test Door Sensing SwitchMonitor Switch Test Primary Interlock Relay RY1Before testing Control Panel Assembly TestNoise Filter Test Test Procedures Letter Component Test Relay TestSteps Occurrence Cause or Correction Touch Control Panel Assembly Description of LSIInternal clock oscillation frequency input setting Pin No Signal Description Auto clear terminalPower source voltage Power source voltage +5VServicing of Touch Control Panel Other PrecautionsTouch Control Panel Servicing Servicing ToolsEmploying lead-free solder Precautions for Using LEAD-FREE SolderUsing lead-free wire solder SolderingPower Transformer Removal Component Replacement and Adjustment ProcedureOuter Case Removal Magnetron Removal Control Panel Assembly RemovalOven Lamp and Lamp Socket Removal Cooling FAN Motor Removal Positive Lock Connector NO-CASE Type RemovalAntenna Motor Removal Rear ViewRe-install Power Supply Cord ReplacementRemoval Door Parts Removal After any service, make sure of the following Antenna Motor Shaft ReplacementRemoval Installation of Ceramic Shelf Figure C-10. Stirrer Antenna Assembly InstallationPictorialDiagram HighvoltagecomponentsCN-A3 Pin5mm Pitch Figure S-3. Printed Wiring Board Cabinet Parts Parts ListElectric Parts Control Panel PartsMiscellaneous HOW to Order Replacement PartsDoor Parts SCREWS,NUTS and WashersOven and Cabinet Parts Control Panel Parts Packing and Accessories Copyright 2005 by Sharp Corporation ALL Rights Reserved
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