Sharp R-930AW service manual Before Servicing

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R-930AK

R-930AW

BEFORE SERVICING

Before servicing an operative unit, perform a microwave emission check as per the Microwave Measurement Procedure outlined in this service manual.

If microwave emissions level is in excess of the specified limit, contact SHARP ELECTRONICS CORPORATION immediately 1- (800) 237-4277.

If the unit operates with the door open, service person should 1) tell the user not to operate the oven and 2) contact SHARP ELECTRONICS CORPORATION and Food and Drug Administration's Center for Devices and Radiological Health immediately.

Service personnel should inform SHARP ELECTRONICS CORPORATION of any certified unit found with emissions in excess of 4mW/cm2. The owner of the unit should be instructed not to use the unit until the oven has been brought into compliance.

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Contents Convection Microwave Oven Table of Contents930AK 930AW Before Servicing Microwave Measurement Procedure RequirementsLeakage test Foreword Sharp PLAZA, MahwahConvection Microwave Oven 930AK / R-930AWGrounding Instructions SpecificationGeneral Information DescriptionTouch Control Panel Oven DiagramOFF Condition Power Level P-0 to P-90 CookingOperation Description of Operating SequencePreheating Condition Convection Cooking ConditionAutomatic MIX Cooking Condition Sensor Cooking ConditionCooking Sequence Fire Sensing Feature Microwave ModeCompu BROIL/ Compu ROAST/ Compu Bake Compu Defrost CookingFigure O-1. Oven Schematic-OFF Condition Schematic DiagramFigure O-4. Oven Schematic-Convection Cooking Condition Description and Function of Components Damper OPEN-CLOSE Mechanism Troubleshooting GuideHeating Element Convection Cooking SystemPossible Cause Defective Parts Test Procedure ProblemHigh Voltage Rectifier Test Test ProceduresProcedure Component Test Letter Magnetron Assembly Test Power Transformer TestTemperature Fuse Test Procedure Component Test LetterSecondary Interlock Switch Test Monitor SwitchThermal CUT-OUT Test Test Procedures Component Test LetterDamper Switch Test Checking Temperature in the Convection ModeOuter 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 Water load cooking test Occurrence Cause or CorrectionAH Sensor Test Checking the initial sensor cooking conditionR1,R2 22Ω ± R3 4.3kΩ ± 5% 1/4W Test Procedures Letter Component TestTesting Method for AH Sensor AND/OR Control Unit Checking Control UnitThermistor Touch Control Panel AssemblyLSIIZA797DR Description of LSITOR Key strobe signal Signal similar to P27Segment data signals Segment data signalStructure of Absolute Humidity Sensor Absolute Humidity Sensor CircuitServicing Outer Case Removal Component Replacement and Adjustment ProcedureOuter Case Switches Replacement Power Transformer RemovalHigh Voltage Capacitor Removal High Voltage Rectifier Assembly RemovalPositive Lock Connector NO-CASE Type Removal Magnetron RemovalFAN Motor Removal Damper Assembly RemovalTurntable Motor Removal Oven Lamp and Lamp Socket RemovalControl Unit and KEY Unit Control Panel Assembly and Control Unit RemovalAfter adjustment, make sure of the following Door Replacement and AdjustmentAfter adjustment, check the following Door AdjustmentFigure C-5. Door Replacement and adjustment Door DisassemblyFigure S-1. Pictorial Diagram Control Panel CircuitDIP Electrical Parts Cabinet PartsControl Panel Parts VSDTA123ES/-3 Oven PartsDoor Parts MiscellaneousScrews Nuts and Washers Description HOW to Order Replacement PartsPacking and Accessories Model NumberOven Control Panel Parts Door Parts Miscellaneous 930AK 930AW

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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.