Sharp R-3A88 User Manual

R-3A88
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-3A88
S3614R3A88PX/
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

Sharp R-3A88 Specifications

General

Brand	Sharp
Model	R-3A88
Category	Microwave Oven
Language	English

Summary

GENERAL IMPORTANT INFORMATION

PRODUCT SPECIFICATIONS

OPERATION SEQUENCE

FUNCTION OF IMPORTANT COMPONENTS

SERVICING

TROUBLESHOOTING GUIDE

Guide to diagnose and resolve common microwave oven problems.

TEST PROCEDURE

TOUCH CONTROL PANEL ASSEMBLY

COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE

MAGNETRON REMOVAL

POWER TRANSFORMER REMOVAL

MICROWAVE MEASUREMENT

SCHEMATIC

Pictorial Diagram

Control Panel Circuit

Printed Wiring Board