DMT2420B
DMT2420R
DMT2420S
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 contain circuitry capable of producing very high voltage
and current. Contact with the following parts may result in a severe, possibly fatal, electrical shock. (Inverter unit
that includes High Voltage Capacitor, High Voltage Power Transformer, High Voltage Rectifier and Heat sink etc.,
and Magnetron, 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 ...................................................................................................................................5
OPERATION .........................................................................................................................................................6
TROUBLESHOOTING GUIDE .............................................................................................................................10
TEST PROCEDURE ............................................................................................................................................11
TOUCH CONTROL PANEL ASSEMBLY .............................................................................................................26
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ..................................................................27
PICTORIAL DIAGRAM ........................................................................................................................................33
POWER UNIT CIRCUIT .......................................................................................................................................34
LSI UNIT CIRCUIT...............................................................................................................................................35
PRINTED WIRING BOARD .................................................................................................................................36
PARTS LIST........................................................................................................................................................37
PACKING AND ACCESSORIES .........................................................................................................................41
S12M201DMT24E
DMT2420B
DMT2420R
DMT2420S
MICROWAVE OVEN
MODELS
SERVICE MANUAL
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
dis tinctive appliances
General
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