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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 the following parts may result in a
severe, possibly fatal, electrical shock. (High Voltage Capaci-
tor, High Voltage Power Transformer, Magnetron, High Volt-
age Rectifier 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 .........................................................................................................................................................7
TROUBLESHOOTING GUIDE .............................................................................................................................11
TEST PROCEDURE ............................................................................................................................................13
TOUCH CONTROL PANEL ASSEMBLY .............................................................................................................22
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ..................................................................26
PICTORIAL DIAGRAM ........................................................................................................................................34
POWER UNIT CIRCUIT .......................................................................................................................................35
LSI UNIT CIRCUIT...............................................................................................................................................36
PRINTED WIRING BOARD .................................................................................................................................37
PARTS LIST........................................................................................................................................................38
PACKING AND ACCESSORIES .........................................................................................................................40
S92M198R1405E
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OVER THE RANGE
MICROWAVE OVEN
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.
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