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Sharp R-3S56

Sharp R-3S56
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R-3S56
SHARP CORPORATION
SERVICE MANUAL
In interests of user-safety the oven should be restored to its original
condition and only parts identical to those specified should be used.
MODEL
R-3S56
S9510R3S56PX/
MICROWAVE OVEN
TABLE OF CONTENTS
Page
CAUTION, MICROWAVE RADIATION................................................................................................................. 1
WARNING..............................................................................................................................................................1
PRODUCT SPECIFICATIONS ............................................................................................................................. 2
GENERAL INFORMATION.................................................................................................................................... 2
APPEARANCE VIEW ........................................................................................................................................... 3
OPERATION SEQUENCE.................................................................................................................................... 4
FUNCTION OF IMPORTANT COMPONENTS .................................................................................................... 5
SERVICING .......................................................................................................................................................... 6
TEST PROCEDURE ............................................................................................................................................. 8
TOUCH CONTROL PANEL .................................................................................................................................14
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ............................................................... 18
MICROWAVE MEASUREMENT ........................................................................................................................ 24
WIRING DIAGRAM ............................................................................................................................................. 25
PICTORIAL DIAGRAM ....................................................................................................................................... 26
CONTROL PANEL CIRCUIT ...............................................................................................................................27
PRINTED WIRING BOARD .................................................................................................................................28
PARTS LIST ....................................................................................................................................................... 29
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Sharp R-3S56 Specifications

General IconGeneral
TypeMicrowave Oven
CategoryCountertop
Wattage1000 W
Power Output1000 W
Cooking Levels5
Voltage120V
Frequency60Hz

Summary

General Safety and Information

Microwave Radiation Safety

Safety precautions regarding microwave radiation exposure.

Operational Safety Warnings

Essential safety checks and procedures before operating the oven.

Servicing Personnel Safety

Critical safety warnings for service technicians.

Product Overview and Specifications

Product Specifications

Technical details and characteristics of the microwave oven.

Appearance View

Identification of external parts and features of the oven.

Touch Control Panel Layout

Identification and function of the control panel buttons and display.

Technical Details and Components

Operation Sequence

Step-by-step process of oven operation.

Function of Important Components

Explains key internal components and their roles.

Door Interlock Systems

Explains the door mechanism, latch switches, and monitor switch.

Safety Components and Motors

Describes fuses, thermal cut-outs, turntable, and fan motors.

Servicing and Troubleshooting

Servicing Guidelines

General guidelines and precautions for performing service.

Troubleshooting Overview

General approach to diagnosing and resolving issues.

Handling Electronic Components

Precautions for handling CMOS LSI and other sensitive components.

Test Procedures

Magnetron and Output Power Tests

Procedures for testing the magnetron and measuring microwave output power.

Component Testing

Detailed tests for various components like fuses, switches, and motors.

Touch Control Panel Assembly Test

Procedures for testing the tact switches and control unit.

Component Replacement and Adjustment

Outer Case and High Voltage Components Removal

Steps for removing the outer case and high voltage components.

Power Transformer and Magnetron Removal

Procedure for removing the power transformer and magnetron.

Control Panel, Fan Motor, and Door Replacement

Procedures for replacing control panel, fan motor, and door components.

Switches and Door Adjustment

Procedures for replacing and adjusting door switches and the door.

Microwave Measurement and Schematics

Microwave Measurement

Procedure for measuring microwave radiation leakage.

Schematic Diagrams

Electrical schematics illustrating oven circuitry.

Parts List and Accessories

Parts List

Comprehensive list of all replaceable parts with reference numbers.

How to Order Replacement Parts

Instructions for ordering replacement parts accurately.

Oven, Cabinet, Control Panel, and Door Parts

Categorized lists of specific oven, cabinet, control panel, and door parts.

Packing and Accessories

Details on how the oven is packed and included accessories.

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