Sharp R-2397

SHARP CORPORATION
R-2397
SERVICE MANUAL
TABLE OF CONTENTS
Page
CAUTION, MICROWAVE RADIATION ...................................................................................................... 1
WARNING ................................................................................................................................................... 1
PRODUCT SPECIFICATIONS................................................................................................................... 2
GENERAL IMPORTANT INFORMATION ................................................................................................... 2
APPEARANCE VIEW................................................................................................................................. 3
OPERATION SEQUENCE ......................................................................................................................... 4
FUNCTION OF IMPORTANT COMPONENTS .......................................................................................... 5
SERVICING ............................................................................................................................................... 7
TEST PROCEDURE ................................................................................................................................ 10
TOUCH CONTROL PANEL ASSEMBLY .................................................................................................. 17
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE..................................................... 24
MICROWAVE MEASUREMENT .............................................................................................................. 29
WIRING DIAGRAM .................................................................................................................................. 30
PICTORIAL DIAGRAM............................................................................................................................. 31
CONTROL PANEL CIRCUIT .................................................................................................................... 32
PRINTED WIRING BOARD ...................................................................................................................... 33
PARTS LIST............................................................................................................................................. 34
S5708R2397H/X
In interests of user-safety the oven should be restored to its original
condition and only parts identical to those specified should be used.
COMMERCIAL
MICROWAVE OVEN
MODEL
R-2397

Sharp R-2397 Specifications

General

Brand	Sharp
Model	R-2397
Category	Microwave Oven
Language	English

Summary

Product Specifications

General Information

Microwave Radiation Caution and General Warnings

Crucial safety warnings about radiation exposure and general operation.

Appliance Earthing Requirement

Crucial safety instruction regarding the proper earthing of the appliance.

Function of Important Components

Door Mechanism and Switches

Details door interlocks, monitor switch, and their functions.

High Voltage Circuit Components

Describes fuses, rectifiers, thermistors, thermal cut-outs, and motors.

Servicing

Service Personnel Warnings and Safety Checks

Critical safety warnings and pre/post-servicing checks for technicians.

Troubleshooting Guide

Test Procedure

Magnetron and Output Power Tests

Procedures for testing magnetron and measuring microwave output power.

High Voltage Capacitor, Switch, and Weak Point Tests

Touch Control Panel and Key Unit Tests

Procedures for testing the touch control panel assembly and its key unit.

Touch Control Panel Assembly

LSI (IZA646 DR) Signal Description

LSI Signal Descriptions (Part 1)

LSI Signal Descriptions (Part 2)

LSI Signal Descriptions (Part 3)

Component Replacement and Adjustment Procedure

Case and High Voltage Components Removal

Control Panel and Connector Removal

Power Supply Cord Replacement

Latch, Monitor, and Stop Switches RemovalAdjustment

Door Replacement and Adjustment

Microwave Measurement

Leakage Measurement Requirements and Preparation

Schematic

Control Panel Circuit Diagram

Detailed circuit diagram of the control panel and associated components.

Control Panel Circuit Diagram (Continued)

Further details on the control panel circuit.

Printed Wiring Board Diagram

Parts List