Sharp R-210A Magnetron Replacement, Oven Lamp Socket Removal, Positive Lock Connector Removal

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R-210A

HIGH VOLTAGE COMPONENTS REMOVAL

(HIGH VOLTAGE CAPACITOR, HIGH VOLTAGE RECTIFIER ASSEMBLY AND H.V. FUSE)

To remove the components, proceed as follows.

1.CARRY OUT 3D CHECKS.

2.Disconnect the H.V. fuse from the power transformer.

3.Disconnect the H.V. wire of the H.V. rectifier assembly from the magnetron.

4.Disconnect the wire leads from the noise filter.

5.Remove one (1) screw holding capacitor holder to oven cavity back plate.

6.Disconnect the filament lead of the power transformer from the H.V. capacitor.

7.Remove one (1) screw holding earth side terminal of high voltage rectifier assembly, and remove capacitor holder.

8.Disconnect all the leads and terminals of high voltage rectifier assembly from high voltage capacitor.

9.Disconnect the H.V. fuse from high voltage capacitor. 10.Remove the HVC cover from the high voltage capacitor. 11.Now H.V. rectifier assembly, H.V. fuse and H.V. ca-

pacitor should be free.

CAUTION: WHEN REPLACING HIGH VOLTAGE REC- TIFIER ASSEMBLY, ENSURE THAT THE CATHODE (EARTH) CONNECTION IS SE- CURELY FIXED TO THE CAPACITOR HOLDER WITH AN EARTHING SCREW.

CAUTION: DO NOT REPLACE ONLY HIGH VOLTAGE RECTIFIER. WHEN REPLACING IT, RE- PLACE HIGH VOLTAGE RECTIFIER AS- SEMBLY.

MAGNETRON REPLACEMENT

Removal

1.CARRY OUT 3D CHECKS.

2.Disconnect the wire leads from the magnetron.

3.Carefully remove the two (2) screws holding the magnetron to the waveguide flange.

4.Lift up magnetron with care so that the magnetron antenna is not hit by any metal object around antenna.

5.Now, the magnetron is free.

Re-install

1.Re-install the magnetron to the waveguide flange with two (2) screws diagonally as shown in Figure C-1.

2.Re-connect the wire leads to the magnetron. Refer to

"PICTORIAL DIAGRAM".

3.Re-install the outer case and check that the oven is operating properly.

CAUTION: WHEN REPLACING THE MAGNETRON, BE SURE THE R.F. GASKET IS IN PLACE AND THE MAGNETRON MOUNTING SCREWS ARE TIGHTENED SECURELY.

Screws

Magnetron

Wavegiude

Flange

Figure C-1. Magnetron Replacement

OVEN LAMP SOCKET REMOVAL

1.CARRY OUT 3D CHECKS.

2.Pull the wire leads from the oven lamp socket by pushing the terminal hole of the oven lamp socket with the flat type small screw driver.

3.Tear the cushion from the light mount plate.

4.Bend the tab of the light mount plate holding the oven.

5.Lift up the oven lamp socket.

6.Now, the oven lamp socket is free.

Oven lamp socket

Terminal

Wire lead

Terminal hole

Flate type small screw driver

Figure C-2. Oven lamp socket

POSITIVE LOCK® CONNECTOR REMOVAL

Terminal

1.CARRY OUT 3D CHECKS.

2.Pushing the lever of positive lock® connector.

3.Pull out the positive lock® connector.

CAUTION: WHEN YOU (SERVICE ENGINEERS) CON- NECT THE POSITIVE LOCK® CONNEC- TORS TO THE TERMINALS, CONNECT THE POSITIVE LOCK® SO THAT THE LE- VER FACE YOU (SERVICE ENGINEERS).

Positive lock® connector

Lever

1 Push

2

Pull down

Figure C-3 Positive lock® connector

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Contents Table of Contents Model R-210A210A Sharp Corporation OSAKA, Japan Microwave Oven210A General Important InformationThis Appliance Must be Earthed SpecificationMedium LOW/ Defrost Appearance View Control PanelOperation Sequence OFF ConditionMicrowave Cooking Condition Medium HIGH, MEDIUM, Medium LOW, LOW CookingFunction of Important Components Troubleshooting Guide ServicingRemember to Check 3D Remember to Check 4RTroubleshooting Chart Test Procedure Possible Cause Defective PartsProblem C D E E E F F I I I G G HJ KTest Procedures Letter Component Test Magnetron Test Microwave Output Power IECMicrowave Output Power 2 Litre water load Test Procedures Component Test LetterΔT1 Test Procedures Letter Component Test Power Transformer TestCarry OUT 4R Checks High Voltage Rectifier Test Carry OUT 3D ChecksSwitch Test Temperature Fuse or Thermal CUT-OUT TestMotor Winding Test Carry OUT 3D Checks Fuse 13ATimer Motor with VARI-SWITCH Test Timer SWITCH- ContactsTimer Motor Noise Filter Test Carry OUT 3D ChecksComponent Replacement and Adjustment Procedure Power Transformer RemovalOuter Case Removal To prevent an electric shock, take the followingMagnetron Replacement Positive Lock Connector RemovalRe-install Oven Lamp Socket RemovalPower Supply Cord Replacement Turntable Motor ReplacementFAN Motor Replacement RemovalControl Panel Assembly and Switch Lever Removal InstallationControl Panel Assembly and Switch LE- VER Removal Rear ViewAfter adjustment, make sure of the following Door ReplacementRE-INSTALL Installation Sealer FilmPreparation for Testing Microwave MeasurementRequirement Holaday HI Simpson 380MOven Schematic-ON Condition Oven Schematic-OFF ConditionFigure S-1. Pictorial Diagram High Voltage ComponentsElectric Parts Cabinet PartsControl Panel Parts Oven PartsSCREWS,NUTS and Washers Packing and AccessoriesInterchangeability↔ 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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