Sharp R-930AW service manual Figure O-4. Oven Schematic-Convection Cooking Condition

Page 12

R-930AK

R-930AW

SCHEMATIC

1.DOOR CLOSED.

2.MIX COOKING PAD TOUCHED.

3.COOKING TIME PROGRAMMED.

4.“START” PAD TOUCHED.

5.RY2 AND RY3 WILL ALTERNATELY CLOSE. DURING COOK CYCLE.

CONV.

 

MAGNETRON

 

 

 

 

 

 

 

 

THERMAL

 

TEMPERATURE

 

 

 

 

 

 

 

 

CUT-OUT

 

FUSE

 

 

 

 

 

 

 

 

 

FUSE

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

COM.

 

 

 

 

 

 

 

A-1

A-3

A-5

(RY1)

 

 

 

TTM

OVENLAMP

OL

FM CM

DM

RY4

RY5

 

RY6

RY1

 

 

MONITOR

TURNTABLEMOTOR

FANMOTOR

CONVECTIONMOTOR

DAMPERMOTOR

RY3

INTERLOCK

N.O.

 

 

 

 

 

 

 

 

 

 

 

N.O.

 

OUTER

 

 

 

 

 

 

 

 

 

 

(RY1)

 

CASE

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

COM.

 

 

 

 

 

A-7

 

 

 

 

 

 

(RY3)

 

 

 

 

 

 

 

 

 

RY2

 

RY2

COM.

 

 

 

 

 

A-9

 

 

 

 

 

PRIMARY

(RY2)

 

 

 

 

 

 

 

 

 

 

 

 

 

120V

 

 

 

 

CONTROL UNIT

 

 

 

RERAY

(RY2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60Hz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N.O.

ELEMENT

OUTER

 

 

 

F-1

F-2

F-3

E-1 E-2 E-3 E-4 E-5 E-6

(RY3)

 

 

 

 

 

 

 

 

 

CASE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

HEATIMG

SWITCH

 

 

 

AH SENSOR

SENSING

 

DAMPER

 

SECONDARY

 

 

 

 

 

DOOR

 

 

 

 

 

 

INTERLOCK

 

 

 

 

 

 

THER-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

MISTOR

SWITCH

 

 

POWER TRANSFORMER

CAPACITOR 0.94

H.V. RECTIFIER

MAGNETRON

Figure O-3. Oven Schematic-Automatic Mix Cooking Condition

SCHEMATIC

1.DOOR CLOSED.

2.CONVECTION PAD TOUCHED.

3.DESIRED TEMP. TOUCHED.

4.COOKING TIME PROGRAMMED.

5.“START” PAD TOUCHED.

CONV.

 

MAGNETRON

 

 

 

 

 

 

 

 

THERMAL

 

TEMPERATURE

 

 

 

 

 

 

 

 

CUT-OUT

 

FUSE

 

 

 

 

 

 

 

 

 

FUSE

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

COM.

 

 

 

 

 

 

 

A-1

A-3

A-5

(RY1)

 

 

 

TTM

OVENLAMP

OL

FM CM

DM

RY4

RY5

 

RY6

RY1

 

 

MONITOR

TURNTABLEMOTOR

FANMOTOR

CONVECTIONMOTOR

DAMPERMOTOR

RY3

INTERLOCK

N.O.

 

 

 

 

 

 

 

 

 

 

 

N.O.

 

OUTER

 

 

 

 

 

 

 

 

 

 

(RY1)

 

CASE

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

COM.

 

 

 

 

 

A-7

 

 

 

 

 

 

(RY3)

 

 

 

 

 

 

 

 

 

RY2

 

RY2

COM.

 

 

 

 

 

A-9

 

 

 

 

 

PRIMARY

(RY2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120V

 

 

 

 

CONTROL UNIT

 

 

 

RERAY

(RY2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60Hz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N.O.

ELEMENT

OUTER

 

 

 

F-1

F-2

F-3

E-1 E-2 E-3 E-4 E-5 E-6

(RY3)

 

 

 

 

CASE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

HEATIMG

SWITCH

 

 

 

AH SENSOR

SENSING

 

DAMPER

 

SECONDARY

 

 

 

 

 

DOOR

 

 

 

 

 

 

INTERLOCK

 

 

 

 

 

 

THER-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

MISTOR

SWITCH

 

 

Figure O-4. Oven Schematic-Convection Cooking Condition

POWER TRANSFORMER

CAPACITOR 0.94

H.V. RECTIFIER

MAGNETRON

10

Image 12
Contents Table of Contents Convection Microwave Oven930AK 930AW Before Servicing Microwave Measurement Procedure RequirementsLeakage test Sharp PLAZA, Mahwah Convection Microwave Oven930AK / R-930AW ForewordSpecification General InformationDescription Grounding InstructionsOven Diagram Touch Control PanelPower Level P-0 to P-90 Cooking OperationDescription of Operating Sequence OFF ConditionConvection Cooking Condition Automatic MIX Cooking ConditionSensor Cooking Condition Preheating ConditionFire Sensing Feature Microwave Mode Compu BROIL/ Compu ROAST/ Compu BakeCompu Defrost Cooking Cooking SequenceSchematic Diagram Figure O-1. Oven Schematic-OFF ConditionFigure O-4. Oven Schematic-Convection Cooking Condition Description and Function of Components Troubleshooting Guide Heating ElementConvection Cooking System Damper OPEN-CLOSE MechanismTest Procedure Problem Possible Cause Defective PartsTest Procedures Procedure Component Test Letter Magnetron Assembly TestPower Transformer Test High Voltage Rectifier TestProcedure Component Test Letter Secondary Interlock Switch TestMonitor Switch Temperature Fuse TestTest Procedures Component Test Letter Damper Switch TestChecking Temperature in the Convection Mode Thermal CUT-OUT TestOuter Case Switch Test Touch Control Panel Assembly TestKEY Unit Test Weight 1ST Stage 2ND Stage 3RD Stage 4TH Stage Level Time Relay TestCompu Defrost Test Occurrence Cause or Correction AH Sensor TestChecking the initial sensor cooking condition Water load cooking testTest Procedures Letter Component Test Testing Method for AH Sensor AND/OR Control UnitChecking Control Unit R1,R2 22Ω ± R3 4.3kΩ ± 5% 1/4WTouch Control Panel Assembly ThermistorDescription of LSI LSIIZA797DRTOR Signal similar to P27 Segment data signalsSegment data signal Key strobe signalAbsolute Humidity Sensor Circuit Structure of Absolute Humidity SensorServicing Component Replacement and Adjustment Procedure Outer Case Switches ReplacementPower Transformer Removal Outer Case RemovalHigh Voltage Rectifier Assembly Removal Positive Lock Connector NO-CASE Type RemovalMagnetron Removal High Voltage Capacitor RemovalDamper Assembly Removal Turntable Motor RemovalOven Lamp and Lamp Socket Removal FAN Motor RemovalControl Panel Assembly and Control Unit Removal Control Unit and KEY UnitDoor Replacement and Adjustment After adjustment, check the followingDoor Adjustment After adjustment, make sure of the followingDoor Disassembly Figure C-5. Door Replacement and adjustmentFigure S-1. Pictorial Diagram Circuit Control PanelDIP Electrical Parts Cabinet PartsControl Panel Parts Oven Parts VSDTA123ES/-3Door Parts MiscellaneousScrews Nuts and Washers HOW to Order Replacement Parts Packing and AccessoriesModel Number DescriptionOven Control Panel Parts Door Parts Miscellaneous 930AK 930AW
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Manual 32 pages 15.53 Kb

R-930AW specifications

The Sharp R-930 series of microwave ovens, including the R-930AK, R-930AW, and R-930CS models, represent a blend of advanced technology and user-centric design. These units are well-suited for modern kitchens, offering convenience, versatility, and efficiency that meet the needs of busy households.

One of the standout features of the R-930 series is the powerful Inverter Technology. Unlike traditional microwaves that rely on pulsing power to cook food at lower settings, Inverter Technology delivers a steady stream of cooking power. This results in more even heating, improved texture, and better overall cooking results for delicate dishes like custards and sauces.

The spacious interior of these models provides ample room for cooking a variety of dishes simultaneously. The R-930 series is designed with a turntable that ensures uniform cooking by rotating food as it heats. Additionally, these microwaves often come with a variety of pre-programmed settings for popular dishes, making it easier for users to prepare meals with minimal effort. These presets take the guesswork out of cooking and help ensure consistent results every time.

The R-930AK and R-930AW models are particularly noted for their sleek and modern aesthetic, available in stylish black and white exteriors, respectively. Both models also feature user-friendly controls, which include a digital display and intuitive buttons, ensuring that even those new to microwave cooking can navigate settings with ease.

Another characteristic that distinguishes the R-930CS is its advanced sensor cooking technology. This feature monitors the cooking process and automatically adjusts power levels and cooking times to achieve optimal results. This takes the hassle out of determining how long to cook various foods, especially those that require specific attention to avoid overcooking or undercooking.

The Sharp R-930 series also emphasizes safety and convenience. Child safety locks are integrated into the design to prevent unauthorized use, making it a practical choice for families with young children. Moreover, the easy-clean interior ensures that spills and splatters can be quickly wiped away, maintaining hygiene and preserving the appliance's appearance.

In summary, the Sharp R-930AK, R-930AW, and R-930CS models are proficient microwave ovens equipped with innovative technologies and thoughtful features that cater to a variety of cooking needs. With their combination of inverter cooking technology, spacious interiors, sleek designs, and user-friendly controls, these models are ideal choices for anyone looking to enhance their culinary capabilities in a fast-paced world.