51
R-90GCH
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.
HIGH SPEED CONVECTION
MICROWAVE OVEN
TABLE OF CONTENTS
Page
CAUTION, MICROWAVE RADIATION ........................................................................ INSIDE FRONT COVER
WARNING .......................................................................................................................................................... 1
SERVICING ...................................................................................................................................................... 2
PRODUCT SPECIFICATIONS ......................................................................................................................... 5
GENERAL INFORMATION ................................................................................................................................ 5
APPEARANCE VIEW ....................................................................................................................................... 6
OPERATION SEQUENCE ................................................................................................................................ 7
FUNCTION OF IMPORTANT COMPONENTS ............................................................................................... 10
TROUBLESHOOTING GUIDE ....................................................................................................................... 12
TEST PROCEDURE ....................................................................................................................................... 14
CONTROL UNIT ASSEMBLYL ........................................................................................................................ 23
PRECAUTIONS FOR USING LEAD-FREE SOLDER ..................................................................................... 27
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ........................................................... 28
MICROWAVE MEASUREMENT .................................................................................................................... 35
TEST DATA AT A GLANCE ............................................................................................................................ 36
WIRING DIAGRAM ......................................................................................................................................... 37
PICTORIAL DIAGRAM ................................................................................................................................... 40
POWER UNITL CIRCUIT ................................................................................................................................ 41
CPU UNITL CIRCUIT ...................................................................................................................................... 42
GRID ASSIGNMENT OF FLUORESENT DISPLAY TUBE ............................................................................. 43
PRINTED WIRING BOARD ............................................................................................................................. 44
PARTS LIST ................................................................................................................................................... 45
R-90GCH
SY210R90GCPH/
MODEL
SERVICE MANUAL
SHARP CORPORATION
COMBI
