SHARP CORPORATION
SERVICE MANUAL
R-7A55(W)/(B)
R-7E45(W)/(B)
TABLE OF CONTENTS
Page
CAUTION, MICROWAVE RADIATION ................................................................................ INSIDE COVER
WARNING .................................................................................................................................................... 1
PRODUCT SPECIFICATIONS ................................................................................................................... 2
GENERAL IMPORTANT INFORMATION ...................................................................................................2
APPEARANCE VIEW ................................................................................................................................. 3
OPERATION SEQUENCE .......................................................................................................................... 4
FUNCTION OF IMPORTANT COMPONENTS .......................................................................................... 6
SERVICING ................................................................................................................................................ 9
TEST PROCEDURE ................................................................................................................................. 12
TOUCH CONTROL PANEL ....................................................................................................................... 20
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ..................................................... 25
MICROWAVE MEASUREMENT .............................................................................................................. 30
TEST DATA AT A GLANCE ..................................................................................................................... 31
WIRING DIAGRAM ................................................................................................................................... 32
PICTORIAL DIAGRAM ............................................................................................................................. 35
CONTROL PANEL CIRCUIT ..................................................................................................................... 36
PRINTED WIRING BOARD ....................................................................................................................... 38
PARTS LIST ............................................................................................................................................. 39
In interests of user-safety the oven should be restored to its original
condition and only parts identical to those specified should be used.
SY308R7A55EHW
R-7A55(W)
R-7A55(W)
R-7A55(B)
R-7E45(W)
R-7E45(B)
MODELS
GRILL AND CONVECTION
MICROWAVE OVEN