Sharp R-1481, R-1480, R-1482 Turntable Motor Removal, Stirrer Motor Removal, Oven Lamp Removal

Page 32

R-1480

R-1481

R-1482

6.Install the hood duct to the oven cavity with the one (1) screw.

7.Re-install the wire leads to the hole of the hood duct.

8.Connect the wire leads to the fan motor and chassis support, referring to the pictorial diagram.

9.Refer to procedure of "OUTER CASE REMOVAL". And reverse their procedure. And re-install the outer case.

Table

Shaft

Center of

bracket

TURNTABLE MOTOR REMOVAL

1.Disconnect the power supply cord.

2.Open the door and block it open.

3.Remove the three (3) screws holding the base cover to the oven cavity

4.Remove the base cover from the oven cavity by pulling

down and moving to the left slightly.

5.Disconnect the wire leads from the turntable motor.

6.Remove two (2) screws holding turntable motor to the oven cavity.

7.Now the turntable motor is free.

STIRRER MOTOR REMOVAL

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 fan motor and the hood duct from the oven cavity, referring to the procedure of " HOOD FAN MOTOR, HOOD DUCT AND OVEN LAMP SOCKET REMOVAL".

5.Disconnect the wire leads from the stirrer motor.

6.Remove the two (2) screws holding the stirrer motor to the waveguide of the oven cavity.

7.Remove the stirrer motor from the waveguide.

8.Now, the stirrer motor is free.

9.When installing the stirrer motor, the shaft of stirrer motor must be inserted to the stirrer fan shaft. Refer to the procedure of "STIRRER COVER AND STIRRER FAN INSTALLATION".

STIRRER COVER AND STIRRER FAN INSTALLATION

1.Put the stirrer fan on the stirrer cover to match the stirrer fan shaft to the center of the stirrer support.

2.Insert the shaft of stirrer fan to the shaft of stirrer motor.

3.Insert the cutout of stirrer cover to the tabs on the ceiling.

4.Install the stirrer cover to the oven cavity, and secure it by one canoe clip.

OVEN LAMP REMOVAL

Shaft

Stirrer Fan

Stirrer Support

Stirrer

Cover

Canoe Clip

1.Disconnect the power supply cord.

2.Remove one (1) screw holding the hood exhaust louver to oven cavity front flange.

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

REMOVAL")

4.Lift the oven lamp cover up.

5.Now, the oven lamp and the socket are found.

6.Screw the oven lamp off from the lamp socket.

7.Now, the oven lamp is free.

CONTROL PANEL ASSEMBLY, CONTROL UNIT AND KEY UNIT REMOVAL

1.Disconnect the power supply cord.

2.Open the door and block it open.

3.Remove one (1) screw holding the hood exhaust louver to oven cavity front flange.

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

5.Remove one (1) screw holding the control panel to the oven cavity front face plate.

6.Release the control panel from the oven cavity front face plate by lifting it up.

7.Disconnect the wire leads from the relays RY1 and RY2.

8.Disconnect the connectors CN-A, CN-B, CN-E and CN- F from the control unit.

9.Remove the control panel assembly from the oven. 10.Now, the control panel assembly is free. 11.Disconnect the connector CN-G from the control unit. 12.Remove four (4) screws holding the control unit to the

key fixing plate.

13.Release the two (2) tabs holding the control unit to the key fixing plate.

14.Now, the control unit is free.

15.Remove the one (1) screw holding the key fixing plate to the control panel.

16.Release the four (4) tabs holding the key fixing plate to

30

Page 31 Page 33
Image 32
Page 31 Page 33
Contents Table of Contents Over the Range Microwave OvenBefore Servicing When the testing is completed Dont Touch Before ServicingLeakage test Microwave Measurement ProcedureRequirements Sharp PLAZA, Mahwah Over the Range Microwave Oven1480 / R-1481 / R-1482 ForewordProduct Specification General InformationDescription Grounding InstructionsOven Diagram Operation Description of Operating SequenceOFF Condition Cooking ConditionCompu Defrost Cooking Power Level P-0 to P-90 CookingCompu Cook Ventilation Methods HOT AIR Exhaust Vertical VentingAIR Flow Horizontal VentingFigure O-1. Oven Schematic-Off Condition Description and Function of Components Hood Lamp Troubleshooting GuideStirrer Motor Possible Case Defective Parts Test Procedures Procedure Letter Component Test Magnetron Assembly TestMicrowave Output Power Power Transformer TestProcedure Letter Component Test Magnetron Temperature Fuse TestHigh Voltage Rectifier Test High Voltage Capacitor TestSecondary Interlock Switch Test Primary Interlock System Test Door Sensing SwitchMonitor Switch Test Primary Interlock Relay RY2Hood FAN Motor Test Blown Monitor Fuse TestHood Thermal CUT-OUT Test WHT 3 Touch Control Panel Assembly TestBefore testing KEY Unit Test Procedure Letter Component Test Relay Test Weight 1ST Stage 2ND Stage 3RD Stage 4TH Stage Level TimeFoil Pattern on the Printed Wiring Board Test Compu Defrost TestSteps Occurrence Cause or Correction Procedure Component Test LetterOccurrence Cause or Correction Touch Control Panel Assembly Description of LSI LSIIZA876DRSignal to sound buzzer Signal coming from touch keySignal similar to P27 Digit selection signalKey strobe signal Segment data signalsSegment data signal Other Precautions ServicingShapes of Electronic Components Servicing of Touch Control PanelComponent Replacement and Adjustment Procedure Hood Exhaust Louver RemovalPower Transformer Removal Re-installOuter Case Removal Hood FAN MOTOR, Hood Duct and Oven Lamp Socket RemovalMagnetron Removal High Voltage Rectifier and High Voltage Capacitor RemovalHood FAN Thermal CUT-OUT Removal Thermal CUT-OUT Cavity RemovalRear View Temperature Fuse Magnetron RemovalCooling FAN Motor Removal Stirrer Cover and Stirrer FAN Installation Control Panel ASSEMBLY, Control Unit and KEY Unit RemovalTurntable Motor Removal Stirrer Motor RemovalStep Positive Lock Connector NO-CASE Type RemovalPositive lock connector Door Replacement After adjustment, check the followingDoor Assembly Removal Door Assembly RE-INSTALLDoor Disassembly After any servicing, make sure of the followingChoke Cover Door FrameFigure S-1. Pictorial Diagram Circuit DIP BFBParts List Parts marked * are used in voltage more thanElectric Parts Cabinet PartsOven Parts Door PartsHOW to Order Replacement Parts MiscellaneousSCREWS,NUTS and Washers Model NumberOven and Cabinet Parts Control Panel Parts Door Parts Miscellaneous Packing and Accessories Copyright 1998 by Sharp Corporation ALL Rights Reserved

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.
Top Page Image Contents