Sharp R-2397 service manual Door Replacement and Adjustment, Door Adjustment, Choke Cover Removal

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R-2397

DOOR REPLACEMENT AND ADJUSTMENT

DOOR REPLACEMENT

1.CARRY OUT 3D CHECKS.

2.Remove four (4) screws holding the upper and lower oven hinge to the oven cavity.

3.Remove door assembly with upper and lower oven hinges by pulling it forward.

4.On re-installing new door assembly, secure the upper and lower oven hinges with the four (4) mounting screws to the oven cavity. Make sure the door is parallel with bottom line of the oven face plate and the latch head pass through the latch holes correctly.

5.CARRY OUT 4R CHECKS.

Note: After any service to the door, the approved microwave survey meter should be used to assure in compliance with proper microwave radiation standards. (Refer to Microwave Measurement Procedure.)

DOOR ADJUSTMENT

When removing and/or loosening hinges such as in door replacement, the following adjustment criteria are taken.

FLATE TYPE

SCREW DRIVER

PROTECTION

BY TAPE

LOWER

OVEN HING

DOOR

PANEL

UPPER

OVEN HING

Figure C-6. Choke Cover Removal

CHOKE COVER

Door is adjusted to meet the following three conditions by keeping screws of hinge loose.

1.Adjust door latch heads at a position where they smoothly catch the latch hook through the latch holes. Refer to latch switch adjustments.

2.Deviation of the door alignment from horizontal line of cavity face plate is to be less than 1.0mm.

3.The door is positioned with its face depressed toward the cavity face plate.

4.Reinstall outer case and check for microwave leakage around the door with an approved microwave survey meter. (Refer to Microwave Measurement Proce- dure.)

UPPER

 

OVEN

 

HINGE

OUTER CASE

 

CABINET

DOOR

ASSEMBLY

LOWER

OVEN

HINGE

LATCH HEADS

Figure C-5. Door Assembly Replacement and Adjustment

CHOKE COVER REMOVAL

1.Insert an iron plate (thickness of about 0.5mm or flat type screw driver to the gap between the choke cover and door panel as shown figure to free the engaging part. The protect sheet may be used not to damage the door panel.

2.Lift up the choke cover, now cove is free.

DOOR COMPONENTS REMOVAL

Remove the door assembly, referring to from item 1 through item 3 of “DOOR REPLACEMENT”.

1. Place the door assembly on a soft cloth with facing up.

(UPPER AND LOWER OVEN HINGE REMOVAL)

2.Remove the choke cover, referring to “CHOKE COVER REMOVAL”.

3.Release the oven hinges from the door panel.

4.Now, the oven hinges are free.

(DOOR HANDLE REMOVAL)

5.Remove the two (2) screws holding the door handle to door.

6.Remove the door handle from the door panel.

(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 FRAME REMOVAL)

12.Set the four (4) tabs of the door frame upright. 13.Remove the door frame from the door panel. Now,

door frame is free.

(DOOR GLASS REMOVAL)

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

15.Now, the door glass is free.

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Contents Table of Contents Commercial Microwave Oven2397 2397 Sharp Corporation OSAKA, JapanCommercial General Important InformationGeneral Information SpecificationProduct Description DescriptionAppearance View Installation InformationDisplay and Indicators Operating KeysMicrowave Cooking Condition Operation SequenceOFF Condition Microwave Variable CookingFunction of Important Components Intake Thermistor Asymmetric RectifierExhaust Thermistor Magnetron ThermistorRemember to Check 3D Troubleshooting GuideServicing Remember to Check 4RTest Procedure Possible Cause Defective Parts Plugged into wall outletTemperature of Intake Thermistor is High Microwave Output Power IEC-705-1988 Test ProceduresProcedure Component Test Letter Magnetron Test Around 20 C Power supply Voltage Rated voltageCarry OUT 3D Checks Procedure Letter Component TestHigh Voltage Transformer Test Carry OUT 4R ChecksHigh Voltage Capacitor Test Carry OUT 3D Checks Procedure Component Test LetterSwitch Test Weak Point A018Table Thermal Cut-out Test Fuse F6.3A TestThermal CUT-OUT Test Carry OUT 3D Checks Monitor Resistor Test Carry OUT 3D ChecksIntake Thermistor Test Procedure Component Test Letter Magnetron Thermistor TestExhaust Thermistor Test Motor Winding TestTouch Control Panel Assembly Test Min Cx ± 20% Cy ± 20% 5mHKEY Unit Test Relay Test Test Procedures ContdTo determine if the control unit or key pad is at fault CircuityStop Switch Circuit Power Supply CircuitPower Sync Signal Generating Circuit Exhaust Air Temperature Detecting CircuitDescription of LSI LSIIZA646DR Power source voltage Pin No Signal DescriptionInternal clock oscillation frequency setting input Signal coming from touch keySound Voltage level control terminal Shapes of Electronic Components Other PrecautionsServicing Servicing of Touch Control PanelProcedure for Entering to IC-2 Practice for checking total service counts eg 234,567 CountsTo check the contents of defrost Flicker / 0.1 sec Buzzer Other Checking and Clearing PRO CedureHigh Voltage Components Removal Component Replacement and Adjustment ProcedureOuter Case Removal To remove the components, proceed as followsBlower Motor Removal Magnetron RemovalHigh Voltage Transformer Removal Stirrer Motor Upper RemovalControl Panel Assembly Removal Control Panel Assembly and Control Unit RemovalHOW to Release the Positive Lock Connector ProcedurePower Supply Cord Replacement Re-installAfter adjustment, make sure of the following Door Adjustment Door Replacement and AdjustmentDoor Replacement Choke Cover RemovalMicrowave Measurement Service InformationPreparation for Testing RequirementFigure O-1. Oven SChematic-OFF Condition High Voltage Components Circuit C d eFigure S-3. Printed Wiring Board Electric Parts Parts ListParts marked * are used in voltage more than Cabinet PartsVCEAB31HW104M Oven Parts Door PartsMiscellaneous SCRE, Nuts and WashersREF. no HOW to Order Replacement PartsModel Number DescriptionOven and Cabinet Parts Control Panel Parts Door Parts Not replaceable items 2397

R-2397 specifications

The Sharp R-2397 is a high-performance microwave oven that combines advanced technology with user-friendly features, making it a popular choice for modern kitchens. This model stands out due to its sleek design and efficient functionality, catering to both cooking enthusiasts and busy households alike.

One of the most notable features of the Sharp R-2397 is its powerful microwave cooking capabilities. With a wattage rating of 900 watts, it ensures that food is cooked evenly and quickly, allowing users to prepare meals in a fraction of the time compared to conventional ovens. The unit also offers multiple power levels, enabling precise cooking adjustments for various types of food, from defrosting to reheating and everything in between.

Another key characteristic of the R-2397 is its spacious interior. With a generous capacity of 23 liters, this microwave can accommodate larger dishes, making it suitable for families or individuals who enjoy hosting gatherings. The turntable feature promotes even cooking by rotating food continuously, ensuring that every inch is heated uniformly.

Additionally, the Sharp R-2397 is equipped with a range of convenient presets and auto-cook functions. These pre-programmed settings allow users to optimize cooking times for common dishes, such as popcorn, vegetables, and frozen meals, simplifying meal preparation and enhancing user experience. The intuitive control panel is designed to be user-friendly, ensuring that anyone can operate the microwave with ease.

Safety is also a significant consideration in the design of the Sharp R-2397. The unit comes with a child lock function, preventing accidental operation and ensuring that the oven is used safely in households with young children. This feature adds peace of mind for parents while using the appliance in their daily routines.

Moreover, the R-2397 incorporates a modern aesthetic that can fit into various kitchen styles. Its polished exterior and compact design make it both attractive and practical, with the added advantage of easy cleaning and maintenance.

In summary, the Sharp R-2397 is a versatile microwave oven that offers a blend of power, efficiency, and user-centric features. With its high wattage, spacious interior, smart presets, and safety measures, it is an excellent addition to any kitchen, catering to everyday cooking needs and helping to simplify meal times. Whether reheating leftovers or cooking a new recipe, the Sharp R-2397 sets itself apart as a reliable kitchen companion.
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