Sharp R-1481 Door Disassembly, After any servicing, make sure of the following, Choke Cover

Page 35
Putty Knife

latch holes correctly.

6.Re-install the door stopper to the door assembly.

7.Re-install the hood exhaust louver to the oven cavity front face plate.

Note: After any service to the door;

(A)Make sure that door sensing switch and secondary interlock switch are operating properly. (Refer to chapter "Test Procedures".)

(B)An approved microwave survey meter should be used to assure compliance with proper microwave radiation emission limitation standards.

After any servicing, make sure of the following :

1.Door latch heads smoothly catch latch hook through latch holes and that latch head goes through center of latch hole.

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

3.Door is positioned with its face pressed toward cavity face plate.

4.Re-install outer case and check for microwave leakage around door with an approved microwave survey meter. (Refer to Microwave Measurement Procedure.)

Note: The door on a microwave oven is designed to act as an electronic seal preventing the leakage

R-1480

R-1481

R-1482

of microwave energy from oven cavity during cook cycle. This function does not require that door be air-tight, moisture (condensation)-tight or light-tight. Therefore, occasional appearance of moisture, light or sensing of gentle warm air movement around oven door is not abnormal and do not of themselves indicate a leakage of microwave energy from oven cavity.

 

Tab

Hood Exhaust Louver

Upper Door

 

 

 

Hige Pin

 

 

Upper

 

Tab

Oven

 

 

RE-INSTALL Hige

 

 

Door assembly

Lower

Oven Hige

Latch

Lower Door

Heads

Hige Pin

Door Stopper

RE-INSTALL

Figure C-2. Door Replacement and adjustment

DOOR DISASSEMBLY

1.Disconnect the power supply cord and remove the oven from wall and remove outer case. (Refer to procedure of "Removal of Oven from Wall" and "Outer case Removal")

2.Open the door and block it open.

3.Discharge high voltage capacitor.

4.Remove the hood exhaust louver from the oven cavity by pushing the right and left tabs of the hood exhaust louver. (Refer to the procedure of "HOOD EXHAUST LOUVER REMOVAL".)

5.Remove door assembly, refer to "Door Replacement". Replacement of door components are as follows:

6.Place door assembly on a soft cloth with latches facing up.

Note: As the engaging part of choke cover and door frame are provided at 15 places, do not force any particular part.

CHOKE COVER

7.Insert a putty knife (thickness of about 0.5mm) into the gap A between the choke cover and door stopper and between the choke cover and the door frame as shown Figure C-3 to free engaging parts.

8.Pry the principles of the lever and lift up the choke cover by inserting a putty knife in order shown in Figure C-3.

9.Now choke cover is free from door panel and door frame.

DOOR FRAME

10.Remove six (6) screws holding the door panel and the door handle to the door frame assembly.

11.Release the door frame assembly from the door panel. NOTE: It is easier to release the engaging parts of the upper

or lower door hinge pin side at first. 12.Now, door frame assembly is free.

LATCH SPRING, LATCH HEAD AND DOOR PANEL 13.Release the latch spring from the tab of the latch head

and tab of the door frame.

14.Release the latch head from the door frame.

15.Now, the latch spring, latch head and door frame are

free.

A

Door Stopper

 

Choke Cover

Door Frame

Figure C-3. Door Disassembly

DOOR GLASS

16.Remove the glass stopper from the door frame by releasing the tab of door frame.

17.At first, slide the door glass toward the glass stopper side, and then slide it up. And release it from the right and lower long tabs of the door frame.

18.Release the door glass from the upper long tab of the door frame.

19.Release the door glass from the long tabs of the door frame.

20.Now, the door glass is free.

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Contents Over the Range Microwave Oven Table of ContentsBefore Servicing Dont Touch Before Servicing When the testing is completedLeakage test Microwave Measurement ProcedureRequirements Foreword Sharp PLAZA, MahwahOver the Range Microwave Oven 1480 / R-1481 / R-1482Grounding Instructions Product SpecificationGeneral Information DescriptionOven Diagram Cooking Condition OperationDescription of Operating Sequence OFF ConditionCompu Defrost Cooking Power Level P-0 to P-90 CookingCompu Cook Horizontal Venting Ventilation Methods HOT AIR ExhaustVertical Venting AIR FlowFigure O-1. Oven Schematic-Off Condition Description and Function of Components Hood Lamp Troubleshooting GuideStirrer Motor Possible Case Defective Parts Power Transformer Test Test ProceduresProcedure Letter Component Test Magnetron Assembly Test Microwave Output PowerHigh Voltage Capacitor Test Procedure Letter Component TestMagnetron Temperature Fuse Test High Voltage Rectifier TestPrimary Interlock Relay RY2 Secondary Interlock Switch TestPrimary Interlock System Test Door Sensing Switch Monitor Switch TestHood FAN Motor Test Blown Monitor Fuse TestHood Thermal CUT-OUT Test WHT 3 Touch Control Panel Assembly TestBefore testing KEY Unit Test Compu Defrost Test Procedure Letter Component Test Relay TestWeight 1ST Stage 2ND Stage 3RD Stage 4TH Stage Level Time Foil Pattern on the Printed Wiring Board TestSteps Occurrence Cause or Correction Procedure Component Test LetterOccurrence Cause or Correction Touch Control Panel Assembly LSIIZA876DR Description of LSIDigit selection signal Signal to sound buzzerSignal coming from touch key Signal similar to P27Key strobe signal Segment data signalsSegment data signal Servicing of Touch Control Panel Other PrecautionsServicing Shapes of Electronic ComponentsHood Exhaust Louver Removal Component Replacement and Adjustment ProcedureHood FAN MOTOR, Hood Duct and Oven Lamp Socket Removal Power Transformer RemovalRe-install Outer Case RemovalThermal CUT-OUT Cavity Removal Magnetron RemovalHigh Voltage Rectifier and High Voltage Capacitor Removal Hood FAN Thermal CUT-OUT RemovalRear View Temperature Fuse Magnetron RemovalCooling FAN Motor Removal Stirrer Motor Removal Stirrer Cover and Stirrer FAN InstallationControl Panel ASSEMBLY, Control Unit and KEY Unit Removal Turntable Motor RemovalStep Positive Lock Connector NO-CASE Type RemovalPositive lock connector Door Assembly RE-INSTALL Door ReplacementAfter adjustment, check the following Door Assembly RemovalDoor Frame Door DisassemblyAfter any servicing, make sure of the following Choke CoverFigure S-1. Pictorial Diagram Circuit BFB DIPCabinet Parts Parts ListParts marked * are used in voltage more than Electric PartsDoor Parts Oven PartsModel Number HOW to Order Replacement PartsMiscellaneous SCREWS,NUTS and WashersOven and Cabinet Parts Control Panel Parts Door Parts Miscellaneous Copyright 1998 by Sharp Corporation ALL Rights Reserved Packing and Accessories

R-1481, R-1482, R-1480 specifications

Sharp R-1480, R-1481, and R-1482 are popular countertop microwave ovens that exemplify innovation in home cooking technology. These models are designed to cater to modern culinary needs, combining functionality, efficiency, and user-friendly features.

The Sharp R-1480 stands out with its powerful 900 watts of cooking power, ensuring that meals are cooked evenly and thoroughly. This model includes a spacious 1.5 cubic feet capacity, allowing users to cook larger dishes without hassle. One of the most striking features of the R-1480 is its advanced Sensor Cooking technology. This intelligent feature automatically adjusts cooking time and power levels based on the type of food being prepared, delivering optimal results with minimal effort.

The R-1481 model shares many similarities with the R-1480 but introduces additional features that enhance convenience and usability. It also boasts a 900-watt power output and a 1.5 cubic feet interior. What sets the R-1481 apart is its impressive variety of pre-programmed settings. These settings simplify cooking tasks, giving users one-touch access to options for popular foods such as popcorn, pizza, and frozen vegetables. The auto defrost function is another advantage, allowing for quick thawing of meats and seafood based on weight.

Meanwhile, the Sharp R-1482 takes the features of the R-1481 a step further, adding a few unique characteristics. This model incorporates both microwave and grill functionality, allowing for versatile cooking options. Users can enjoy the benefits of grilling their favorite dishes for a perfect finish and flavor infusion. The R-1482 also includes a user-friendly control panel with a large LCD display, ensuring easy navigation through the cooking process.

Across these models, Sharp emphasizes safety and ease of use. The child lock feature provides peace of mind for families, while the easy-to-clean stainless steel interior promotes hygiene and longevity. All models include a turntable for even cooking and reheating, making it easier to prepare meals uniformly.

In conclusion, the Sharp R-1480, R-1481, and R-1482 microwave ovens combine advanced technology with practical features, catering to a diverse range of cooking needs. These models stand as a testament to Sharp’s commitment to quality and innovation in the kitchen, making them excellent choices for anyone seeking efficiency and versatility in their cooking appliances.