Sharp R-24AT, R-22AT Service Information, Upper and Lower Latch Heads Removal, Door Case Removal

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R-22AT

R-24AT

UPPER AND LOWER LATCH HEADS REMOVAL

7.Remove the door release lever from the door assem- bly.

8.Remove the three (3) screws holding the joint plate to the door panel.

9.Release the latch spring from the tab of the joint lever and joint plate.

10.Release the latch heads from joint lever and joint plate. 11.Now, the latch heads are free.

DOOR CASE REMOVAL

1.Remove the door assembly from oven cavity, referring to "REMOVAL" of "DOOR REPLACEMENT AND AD-

JUSTMENT".

2.Remove choke cover from door panel, referring to

"CHOKE COVER REMOVAL".

3.Remove door handle from door panel, referring to

"DOOR HANDLE REMOVAL".

4.Bend up four (4) nails of door case.

5.Remove door case from door panel.

6.Now, the door case is free.

DOOR GLASS REMOVAL

7.Remove the four (4) screws holding two (2) outside window fixing plates to door panel.

8.Now, the door glass is free.

SERVICE INFORMATION

IMPORTANT: When the magnetron MG1 and/or MG2 is replacing, the relays (RY3 and RY4) on control unit must be replaced at the same time. Because if the magnetron's life has been over, the relay's life may also be over.

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Contents Table of Contents Commercial Microwave OvenRemember to Check 3D Remember to Check 4RSharp Corporation OSAKA, Japan Commercial Microwave Oven22AT/ R-24AT General Important InformationSpecification DescriptionThis Appliance Must be Earthed Brown LiveInstallation Information Display and IndicatorsAppearance View Auto Touch Control PanelOperation Sequence Idle ConditionMicrowave Cooking Condition Microwave Variable CookingTWO Magnetron Operation System Figure B-1. High Voltage CircuitFunction of Important Components Troubleshooting Guide Possible Cause and Defective Parts EEP ROM KEY Unit Touch Control Transformer T3Microwave Output Power 1 litre water load Test ProceduresProcedure Letter Component Test Magnetron Test Microwave Output Power 2000 cc alternative method Test Procedures Letter Component TestPower High Voltage Rectifier Assembly Test Carry OUT 3D Checks Switch TestCarry OUT 4R Checks Carry OUT 4R ChecksProcedure Letter Component Test Temperature Fuse TF1, TF2, TF3 TestWeak Point F3 Test Carry OUT 3D Checks Fuse F1, F2 F10A Test Carry OUT 3D ChecksTouch Control Panel Assembly Test Motor Winding TestNoise Filter Test High Voltage Fuse F4, F5 Test Carry OUT 3D ChecksKEY Unit Test Relay TestRY1 RY3Occurrence Cause or Correction Touch Control Panel Assembly Description of LSI LSIIXA222DRSignal to sound buzzer Signal synchronized with commercial power source frequencyInternal clock oscillation frequency setting input Power source voltageSound Voltage level control terminal Digit selection signalKey strobe signal Servicing of Touch Control Panel ServicingShapes of Electronic Components PAD Order Display Phone Other PrecautionsServicing Tools Defrost Procedure for Entering toOther Checking and Clearing PROCE- Dure for Precautions for Using LEAD-FREE Solder SET Number Double Quantity Check SignalUsing lead-free wire solder Employing lead-free solderHigh Voltage Transformers Removal Component Replacement and Adjustment ProcedureOuter CASE, Rear Cabinet and Power Supply Cord Removal Magnetron Thermistor Replacement Re-installMagnetrons Removal RemovalHOW to Release the Positive Lock Connector Terminal Insulator ReplacementBlower Motor Removal Stirrer Motors Upper and Lower RemovalControl Panel Assembly and Control Unit Removal Power Supply Cord ReplacementControl Panel Assembly Removal HOW to Attach Membrane Switch and Graphic SheetRemoval Door Replacement and AdjustmentAfter adjustment, make sure of the following Door Components Removal Door DisassemblyChoke Cover Removal Service Information Upper and Lower Latch Heads RemovalDoor Case Removal Door Glass RemovalPreparation ProcedureMicrowave Measurement Figure O-1 Oven Schematic-OFF Condition Figure O-3 Oven Schematic-Cooking Condition Figure S-1. Pictrorial Diagram PanelCircuit DG1Figure S-3. Printed Wiring Board Parts List Parts marked * are used in voltage more thanElectoric Parts Cabinet PartsOven Parts RH-IXA222DRZZ LSI RH-IXA298DRZZ EepromSCRE,NUTS and Washers Door PartsMiscellaneous Model Number 2. REF. no Description HOW to Order Replacement PartsPacking and Accessories Oven and Cabinet Parts Control Panel Parts Door Parts Miscellaneous
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R-22AT, R-24AT specifications

The Sharp R-24AT and R-22AT microwave ovens are advanced kitchen appliances designed to enhance cooking convenience, efficiency, and versatility. Both models incorporate innovative technologies and features that cater to modern cooking needs.

The Sharp R-24AT boasts a robust 900 watts of cooking power, enabling users to prepare a wide variety of meals quickly and effectively. Its spacious 24-liter capacity is suitable for families and those who enjoy entertaining. One of the standout features of the R-24AT is its intelligent sensor technology, which automatically detects humidity levels in the cooking food. This innovative feature ensures optimal cooking times and temperatures, resulting in perfectly cooked dishes without the guesswork.

Another key technology in the R-24AT is the inverter cooking system. This system provides a seamless flow of power throughout the cooking process, allowing for more precise temperature control. Unlike traditional microwaves that operate in full power or off, inverter technology ensures consistent heat, which is particularly beneficial for tasks such as defrosting, reheating, and simmering.

The Sharp R-22AT, while slightly more compact with a 22-liter capacity, also delivers impressive performance with 800 watts of power. It features a similar inverter cooking system that guarantees even cooking results. Both models come with multiple auto-cook presets, providing users with a selection of quick options for common dishes such as popcorn, pizza, and oatmeal. This feature streamlines meal preparation and reduces the time spent on planning meals.

In addition, the user-friendly control panel on both models includes a combination of push-button and rotary dial controls for easy navigation. The inclusion of a bright LED display further enhances usability, allowing cooks to monitor cooking times and settings easily.

Safety is another critical aspect of the Sharp R-24AT and R-22AT. Both models come equipped with a child lock feature, ensuring peace of mind in homes with young children. The stainless steel interiors of these microwaves facilitate easy cleaning, while their sleek design adds a modern touch to any kitchen.

In summary, the Sharp R-24AT and R-22AT microwave ovens stand out for their advanced cooking technologies, user-friendly features, and thoughtful design. They empower home cooks to prepare meals with precision and ease, making them a valuable addition to any kitchen.