Sharp R-210A Sharp Corporation OSAKA, Japan, Microwave Oven, General Important Information

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SERVICE MANUAL

MICROWAVE OVEN

R-210A

GENERAL IMPORTANT INFORMATION

This Manual has been prepared to provide Sharp Corp. Service engineers with Operation and Service Information.

It is recommended that service engineers carefully study the entire text of this manual, so they will be qualified to render satisfactory customer service.

CAUTION

MICROWAVE RADIATION

DO NOT BECOME EXPOSED TO RADIATION FROM THE MICROWAVE GENERATOR OR OTHER PARTS CONDUCTING MICROWAVE ENERGY.

Service engineers should not be exposed to the microwave energy which may radiate from the magnetron or other microwave generating devices if it is improperly used or connected. All input and output microwave connections, waveguides, flanges and gaskets must be secured. Never operate the device without a microwave energy absorbing load attached. Never look into an open waveguide or antenna while the device is energized.

WARNING

Never operate the oven until the following points are ensured.

(A)The door is tightly closed.

(B)The door brackets and hinges are not defective.

(C)The door packing is not damaged.

(D)The door is not deformed or warped.

(E)There is not any other visible damage with the oven.

Servicing and repair work must be carried out only by trained service engineers.

All the parts marked "*" on parts list are used at voltages more than 250V.

Removal of the outer wrap gives access to potential above 250V.

All the parts marked "Δ" on parts list may cause undue microwave exposure, by themselves, or when they are dam- aged, loosened or removed.

SHARP CORPORATION

OSAKA, JAPAN

R-210A

PRODUCT SPECIFICATIONS

APPEARANCE VIEW

OPERATING SEQUENCE

FUNCTION OF IMPORTANT COMPONENTS

SERVICING AND TROUBLESHOOTING CHART

TEST PROCEDURE

COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE

MICROWAVE MEASUREMENT

WIRING DIAGRAM

PARTS LIST

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Contents Model R-210A Table of Contents210A General Important Information Sharp Corporation OSAKA, JapanMicrowave Oven 210ASpecification This Appliance Must be EarthedMedium LOW/ Defrost Control Panel Appearance ViewMedium HIGH, MEDIUM, Medium LOW, LOW Cooking Operation SequenceOFF Condition Microwave Cooking ConditionFunction of Important Components Remember to Check 4R Troubleshooting GuideServicing Remember to Check 3DC D E E E F F I I I G G HJ K Troubleshooting ChartTest Procedure Possible Cause Defective Parts ProblemMicrowave Output Power IEC Test Procedures Letter Component Test Magnetron TestTest Procedures Component Test Letter Microwave Output Power 2 Litre water loadΔT1 High Voltage Rectifier Test Carry OUT 3D Checks Test Procedures Letter Component TestPower Transformer Test Carry OUT 4R ChecksFuse 13A Switch TestTemperature Fuse or Thermal CUT-OUT Test Motor Winding Test Carry OUT 3D ChecksNoise Filter Test Carry OUT 3D Checks Timer Motor with VARI-SWITCH TestTimer SWITCH- Contacts Timer MotorTo prevent an electric shock, take the following Component Replacement and Adjustment ProcedurePower Transformer Removal Outer Case RemovalOven Lamp Socket Removal Magnetron ReplacementPositive Lock Connector Removal Re-installRemoval Power Supply Cord ReplacementTurntable Motor Replacement FAN Motor ReplacementRear View Control Panel Assembly and Switch Lever RemovalInstallation Control Panel Assembly and Switch LE- VER RemovalDoor Replacement After adjustment, make sure of the followingRE-INSTALL Sealer Film InstallationHoladay HI Simpson 380M Preparation for TestingMicrowave Measurement RequirementOven Schematic-OFF Condition Oven Schematic-ON ConditionHigh Voltage Components Figure S-1. Pictorial DiagramOven Parts Electric PartsCabinet Parts Control Panel PartsPacking and Accessories SCREWS,NUTS and WashersInterchangeability↔ Oven and Cabinet Parts Control Panel Parts Door Parts Miscellaneous 210A

R-210A specifications

The Sharp R-210A is a notable microwave oven that stands out in the crowded kitchen appliance market. Renowned for its practicality and efficiency, this model is designed to cater to the needs of modern households while offering an array of advanced features.

One of the key highlights of the Sharp R-210A is its powerful 1000 watts of cooking power, which ensures quick cooking and reheating. With a range of cooking options, this microwave can handle various tasks from defrosting frozen foods to cooking meals evenly and efficiently. The unit boasts a 22-liter capacity, making it suitable for small to medium-sized kitchens. Its compact design allows for easy integration into different kitchen layouts without taking up excessive counter space.

The Sharp R-210A employs innovative technology to enhance cooking performance. It features a turntable system that ensures food is cooked uniformly by rotating dishes during the cooking cycle. This feature is particularly advantageous when heating large or unevenly shaped food items, as it helps prevent cold spots. Additionally, the microwave includes a convection option, bringing versatility to food preparation by combining microwave energy with convection heat to produce crispy results akin to traditional ovens.

User-friendliness is a hallmark of the Sharp R-210A, with an intuitive control panel that simplifies operation. The keypad is designed for easy navigation, allowing users to select cooking times and power levels quickly. It also includes pre-programmed settings for popular dishes, making meal preparation even more straightforward. The microwave features a timer and clock function, providing added convenience.

Safety is a crucial consideration in microwave design, and the Sharp R-210A does not disappoint. It comes equipped with a child lock feature to prevent accidental operation, making it a suitable choice for families. The unit also has an automatic shut-off feature that activates after cooking, reducing the risk of overheating or burning food.

In summary, the Sharp R-210A microwave oven combines robust power, innovative technology, and user-friendly features. With its ample capacity, intuitive controls, and safety measures, it continues to be a reliable choice for those looking to simplify their cooking experiences in the kitchen. Whether you're reheating leftovers or preparing a full meal, the Sharp R-210A is equipped to meet various culinary needs with ease and efficiency.
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