Sharp R-209HK User Manual

35
R-209HK
R-209HW
MICROWAVE OVEN
In the interest of user-safety the oven should be restored to its original
condition and only parts identical to those specified should be used.
WARNING TO SERVICE PERSONNEL: Microwave ovens con-
tain circuitry capable of producing very high voltage and
current, contact with following parts may result in a severe,
possibly fatal, electrical shock. (High Voltage Capacitor, High
Voltage Power Transformer, Magnetron, High Voltage Recti-
fier Assembly, High Voltage Harness etc..)
TABLE OF CONTENTS
Page
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO
AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY ...................INSIDE FRONT COVER
BEFORE SERVICING ......................................................................................................INSIDE FRONT COVER
WARNING TO SERVICE PERSONNEL................................................................................................................ 1
MICROWAVE MEASUREMENT PROCEDURE ...................................................................................................2
FOREWORD AND WARNING............................................................................................................................... 3
PRODUCT SPECIFICATIONS ..............................................................................................................................4
GENERAL INFORMATION................................................................................................................................... 4
OPERATION ..........................................................................................................................................................6
TROUBLESHOOTING GUIDE ..............................................................................................................................9
TEST PROCEDURE ............................................................................................................................................10
TOUCH CONTROL PANEL .................................................................................................................................17
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ................................................................ 21
PICTORIAL DIAGRAM ........................................................................................................................................27
CONTROL PANEL CIRCUIT ...............................................................................................................................28
PRINTED WIRING BOARD .................................................................................................................................29
PARTS LIST ........................................................................................................................................................30
PACKING AND ACCESSORIES .........................................................................................................................31
S2304R209HPW/
R-209HK
R-209HW
MODELS
SERVICE MANUAL
SHARP CORPORATION
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.

Sharp R-209HK Specifications

General

Brand	Sharp
Model	R-209HK
Category	Microwave Oven
Language	English

Summary

SHARP MICROWAVE OVEN SERVICE MANUAL

WARNING TO SERVICE PERSONNEL

Critical safety warning about high voltage hazards during servicing.

SERVICE PRECAUTIONS AND PROCEDURES

MICROWAVE ENERGY EXPOSURE AVOIDANCE

Guidelines to prevent excessive microwave energy exposure during service.

HIGH VOLTAGE SAFETY GUIDELINES

CAPACITOR DISCHARGE AND SERVICING SAFETY

Safe procedures for discharging the high voltage capacitor before and during servicing.

MICROWAVE MEASUREMENT PROCEDURE

LEAKAGE TEST REQUIREMENTS AND METHOD

Detailed steps for performing microwave leakage tests and compliance requirements.

PRODUCT DESCRIPTION AND SPECIFICATIONS

MODEL SPECIFICATIONS AND FEATURES

COMPONENT DESCRIPTIONS AND FUNCTIONS

DOOR INTERLOCK SYSTEMS AND SWITCHES

TROUBLESHOOTING GUIDE

DIAGNOSIS AND C/T FUSE CHECKS

Guide for diagnosing issues, with important notes on C/T fuse and related switches.

TEST PROCEDURES - MAGNETRON

MAGNETRON ASSEMBLY TEST

Procedure to test the magnetron for proper functionality and continuity.

TEST PROCEDURES - POWER COMPONENTS

POWER TRANSFORMER AND RECTIFIER TESTS

TEST PROCEDURES - CAPACITOR AND FUSE

HV CAPACITOR AND TEMPERATURE FUSE TESTS

TEST PROCEDURES - SWITCHES AND RELAYS

DOOR SWITCH AND RELAY TESTS

TEST PROCEDURES - CONTROL PANEL

TOUCH CONTROL PANEL ASSEMBLY TEST

TEST PROCEDURES - KEY UNIT

SERVICING GUIDELINES

ELECTRONIC COMPONENT HANDLING PRECAUTIONS

COMPONENT REPLACEMENT PROCEDURES

HIGH VOLTAGE SAFETY AND OUTER CASE REMOVAL

Critical safety warnings and steps for removing the outer case.

COMPONENT REMOVAL - HIGH VOLTAGE PARTS

MAGNETRON AND HV COMPONENTS REMOVAL

COMPONENT REMOVAL - CONTROL AND MOTOR

COMPONENT REMOVAL - FAN AND SWITCHES

COMPONENT ADJUSTMENT AND DOOR REPLACEMENT

DOOR SWITCH ADJUSTMENT AND DOOR REPLACEMENT

DOOR REPLACEMENT DETAILS

PARTS LIST