R-7H55
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.
TABLE OF CONTENTS
CONVECTION
MICROWAVE OVEN
MODEL
R-7H55
Page
CAUTION, MICROWAVE RADIATION................................................................................................................. 1
WARNING..............................................................................................................................................................1
PRODUCT SPECIFICATIONS ............................................................................................................................. 2
APPEARANCE VIEW ........................................................................................................................................... 3
OPERATION SEQUENCE.................................................................................................................................... 4
FUNCTION OF IMPORTANT COMPONENTS .................................................................................................... 7
SERVICING .......................................................................................................................................................... 9
TEST PROCEDURE ........................................................................................................................................... 12
TOUCH CONTROL PANEL .................................................................................................................................20
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ............................................................... 26
MICROWAVE MEASUREMENT ........................................................................................................................ 32
WIRING DIAGRAM ............................................................................................................................................. 33
PICTORIAL DIAGRAM ....................................................................................................................................... 35
CONTROL PANEL CIRCUIT ...............................................................................................................................36
PRINTED WIRING BOARD .................................................................................................................................37
PARTS LIST ....................................................................................................................................................... 38
S6417R7H55PHR