SHARP CORPORATION
R-2277
R-2287
SERVICE MANUAL
TABLE OF CONTENTS
Page
CAUTION, MICROWAVE RADIATION ....................................................................................................... 1
WARNING .................................................................................................................................................... 1
PRODUCT SPECIFICATIONS ................................................................................................................... 2
GENERAL IMPORTANT INFORMATION ...................................................................................................2
APPEARANCE VIEW ................................................................................................................................. 3
OPERATION SEQUENCE .......................................................................................................................... 4
FUNCTION OF IMPORTANT COMPONENTS .......................................................................................... 5
SERVICING ................................................................................................................................................ 7
TEST PROCEDURE ................................................................................................................................. 10
CONTROL PANEL ASSEMBLY ................................................................................................................ 18
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ..................................................... 23
MICROWAVE MEASUREMENT .............................................................................................................. 28
TEST DATA AT A GLANCE ..................................................................................................................... 29
WIRING DIAGRAM ................................................................................................................................... 30
PICTORIAL DIAGRAM ............................................................................................................................. 31
CONTROL PANEL CIRCUIT ..................................................................................................................... 32
PRINTED WIRING BOARD ....................................................................................................................... 34
PARTS LIST ............................................................................................................................................. 35
S5504R2277H//
In interests of user-safety the oven should be restored to its original
condition and only parts identical to those specified should be used.
COMMERCIAL
MICROWAVE OVEN
MODEL
R-2277
R-2287