Sharp R-1500 Sharp PLAZA, Mahwah, Over the Range Microwave Oven, 1500/ R-1501/ R-1505/ R-1506

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SERVICE MANUAL

OVER THE RANGE

MICROWAVE OVEN

R-1500/ R-1501/ R-1505/ R-1506

FOREWORD

This Manual has been prepared to provide Sharp Electronics Corp. Service Personnel with Operation and Service Information for the SHARP OVER THE RANGE MICROWAVE OVEN, R-1500, R-1501 R-1505 and R-1506.

It is recommended that service personnel carefully study the entire text of this manual so that they will be qualified to render satisfactory customer service.

Check the interlock switches and the door seal carefully. Special attention should be given to avoid electrical shock and microwave radiation hazard.

WARNING

Never operate the oven until the following points are ensured.

(A)The door is tightly closed.

(B)The door brackets and hinges are not defective.

(C)The door packing is not damaged.

(D)The door is not deformed or warped.

(E)There is not any other visible damage with the oven.

Servicing and repair work must be carried out only by trained service personnel.

DANGER

Certain internal parts are intentionally not grounded and present a risk of electrical shock only during servicing. Service personnel - Do not contact the following parts while the appliance is energized;

High Voltage Capacitor, Power Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage Harness;

If provided, Vent Hood, Fan assembly, Cooling Fan Motor.

All the parts marked “*” on parts list are used at voltages more than 250V.

Removal of the outer wrap gives access to voltage above 250V.

All the parts marked “” on parts list may cause undue microwave exposure, by themselves, or when they are damaged, loosened or removed.

SHARP ELECTRONICS CORPORATION

SHARP PLAZA, MAHWAH,

NEW JERSEY 07430-2135

R-1500

R-1501

R-1505

R-1506

PRODUCT DESCRIPTION

GENERAL INFORMATION

OPERATION

TROUBLESHOOTING GUIDE AND TEST PROCEDURE

TOUCH CONTROL PANEL

COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE

WIRING DIAGRAM

PARTS LIST

3

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Contents 1506 Table of ContentsBefore Servicing Dont Touch Before Servicing When the testing is completedLeakage test Microwave Measurement ProcedureRequirements Over the Range Microwave Oven Sharp PLAZA, Mahwah1500/ R-1501/ R-1505/ R-1506 ForewordGeneral Information Product SpecificationDescription Grounding InstructionsOven Diagram Light HI/ LO FAN HI/ LO Stop Clear Start Minute Plus Control PanelLevel Operation Power Level P-0 to P-90 CookingDescription of Operating Sequence OFF ConditionVertical Venting Ventilation Methods HOT AIR ExhaustAIR Flow Horizontal VentingFigure O-1. Oven Schematic-Off Condition Description and Function of Components Hood Lamp Troubleshooting GuideHood FAN Motor Possible Case Defective Parts Test Procedure ProblemProcedure Letter Component Test Magnetron Assembly Test Test ProceduresMicrowave Output Power Power Transformer TestMagnetron Temperature Fuse Test Procedure Letter Component TestHigh Voltage Rectifier Test High Voltage Capacitor TestSecondary Interlock System Test Door Sensing Switch Primary Interlock Switch TestMonitor Switch Test Secondary Interlock Relay RY2Blown Monitor Fuse Test Procedure Component Test LetterHood Thermal CUT-OUT Test Hood FAN Motor TestWHT 3 Touch Control Panel Assembly TestBefore testing KEY Unit Test Foil Pattern on the Printed Wiring Board Test Procedure Letter Component Test Relay TestDefrost Center Test 1ST Stage 2ND StageSteps Occurrence Cause or Correction QKITPB035LSI Touch Control Panel AssemblyDescription of LSI Signal synchronized with commercial power source frequency OUT Oven lamp, fan motor and turntable motor driving signalInternal clock oscillation frequency input setting OUT Key strobe signalHood lamp driving signal Key strobe signalHood motor high / low driving signal Hood motor driving signalServicing Other PrecautionsShapes of Electronic Components Servicing of Touch Control PanelHood Exhaust Louver Removal Component Replacement and Adjustment ProcedureRe-install Power Transformer RemovalPictorial Diagram Outer Case RemovalHigh Voltage Rectifier and High Voltage Capacitor Removal Magnetron RemovalHood FAN Thermal CUT-OUT Removal Thermal CUT-OUT Cavity RemovalCooling FAN Motor Removal Temperature Fuse Magnetron RemovalControl Panel ASSEMBLY, Control Unit and KEY Unit Removal Positive Lock Connector NO-CASE Type RemovalPositive lock connector Turntable Motor and Food Lamp Sockets RemovalControl Unit and KEY Unit Removal Key unit locationAfter adjustment, check the following Door ReplacementDoor Assembly Removal Door Assembly RE-INSTALLReplacement Door DisassemblyDoor Frame Assembly Choke CoverHigh Voltage Components Control UnitFigure S-2. Power Unit Circuit Unit CircuitDIP Parts marked * are used in voltage more than Parts ListElectric Parts Cabinet PartsMiscellaneous Oven PartsDoor Parts Packing and Accessories HOW to Order Replacement PartsSCREWS,NUTS and Washers Model NumberOven and Cabinet Parts Control Panel Parts Door Parts Miscellaneous Copyright 2001 by Sharp Corporation ALL Rights Reserved
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R-1506, R-1501, R-1505, R-1500 specifications

The Sharp R-1500, R-1505, R-1501, and R-1506 are part of Sharp's extensive line of microwave ovens, showcasing advanced cooking technologies and user-friendly features that cater to the modern kitchen. These models are designed to provide convenience and efficiency while delivering consistent cooking results.

One of the standout features across these models is the use of Sharp's innovative microwave technology, which ensures even heating and cooking. This is achieved through a combination of advanced microwave distribution systems that help to minimize cold spots common in traditional microwaves. As a result, users can enjoy perfectly cooked meals, whether it's reheating leftovers or preparing a fresh dish.

Each model comes equipped with a variety of cooking presets that simplify meal preparation. These presets are tailored for a range of foods, including popcorn, pizza, vegetables, and baked goods. With just the press of a button, users can automatically adjust the cooking time and power level, making the cooking process intuitive and hassle-free.

The R-1500 and R-1505 models, in particular, offer a sleek and modern design that can seamlessly blend into any kitchen décor. The front-facing control panel is easy to read and navigate, while the spacious interior can accommodate larger dishes, making these models ideal for family meals or entertaining guests.

In addition to their cooking capabilities, these microwaves prioritize energy efficiency and safety. With features like a child lock function and an eco-mode, users can have peace of mind knowing that their appliance is safe for the entire family and environmentally conscious.

The R-1501 model adds additional versatility by including a grill function, allowing users to achieve that perfect crispiness on meats and vegetables. This feature enhances the range of cooking options available, making it suitable for those who enjoy grilling but may not have the outdoor space or equipment.

Lastly, the R-1506 combines the benefits of microwave cooking with user-friendly features such as a digital display and programmable timers. This model is particularly well-suited for busy households, as it allows for quick meal prep without sacrificing quality.

In summary, the Sharp R-1500, R-1505, R-1501, and R-1506 microwave ovens represent a blend of advanced technology, safety features, and user-convenience. They cater to a broad spectrum of cooking needs, from basic reheating to more complex meal preparations, all while maintaining a focus on efficiency and style.