Premium Levella PM10010 handleiding

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Handleiding

INTRODUCTION

This Microwave Oven Service Manual is printed in a loose-leaf format. Each part is divided into sections relating

to a general group of components and each section is subdivided into various parts describing a particular

component or service procedure.

The subdividing of the subject matter plus the loose leaf form will facilit

ate the updating of the manual as new or

revised components and service procedures are introduced.

Each page of this service manual will be identified in the lower ri

ght hand corner and, as new or revised pages

are published, it will be easy to keep the manual up to date by following the filing instructions on the cover letter.

This Service Manual is a valuable service tool and care

should be taken to keep it up to date by prompt and

proper filling of subsequent pages as they are issued.

CONTENTS

SAFETY PRECAUTIONS..........................................................................................................................................1

1 THE HEATING PRINCIPLE OF MICROW

AVE..................................................................................................2

2 THE STRUCTURE AND WORKING PRINCIPLE OF MICROWWA

VE OVEN. ................................................3

2.1 HIGH VOLTAGE RECTIFY

ING CIRCUIT. ..........................................................................................3

2.2 MICROWAVE GENERATER.

..............................................................................................................4

2.3 COOLING S

YSTEM............................................................................................................................4

2.4 ELECTRIC CONTROL

SYSTEM........................................................................................................4

3 TYPICAL CIRCUIT ANALYASIS OF MICROW

AVE OVEN................................................................................7

4 HOW TO ASSEMBLE AND DISASSEMBLE MICROW

AVE OVEN COMPONENTS........................................8

4.1 THE CABINE

T ....................................................................................................................................8

THE DOOR COMBINATION..............................................................................................................................

4.3 THE CONTROL PANEL AND THE DOOR RE

LEASE MECHANISM. .............................................10

4.4 THE MAGNE

TRON. .........................................................................................................................10

4.5 THE TRANS

FORMER......................................................................................................................11

4.6 THE FAN MOT

OR. ...........................................................................................................................11

4.7 THE CAP

ACITOR.............................................................................................................................12

4.8 THE DIODE.

.....................................................................................................................................12

4.9 THE TURNTABLE COMBINA

TIOM..................................................................................................13

4.10 THE DOOR SAFTY

INTERLOCKS. .................................................................................................13

THE CONTROL PANEL OF A TYPICAL MICROWA

VE OVEN .......................................................................14

5 BREAKDOWN ANALYSIS AND THE MEANS OF OVERHA

ULING ...............................................................15

5.1 EXAMINING THE BREAKDOWN CAUSES.

....................................................................................15

SPOT EXAMINING STEPS OF THE MICROW

AVE OVEN.............................................................................15

5.3 REPAIRING METHOD OF SEVERAL

BREAKDOWN .....................................................................18

5.4 THE CHARACTERS REQUIREMENTS OF MICROW

AVE AFTER IT HAS BEEN REPAIRED......19

6 CRITICAL PARTS SERVICING .......................................................................................................................

6.1 IMPORTANT THINGS TO DO PRIOR T

O CRITICAL PARTS SERVICING:....................................20

6.2 Interlock Assembly Replacement and Adjus

tment............................................................................20

7 COMMON BREAKDOWN OF MICROWAVE OVEN

AND MEANS OF REPAIRING......................................21

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