Read Sharp R-8740 (serv.man2) Service Manual online
R-8740M - 1
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.
condition and only parts identical to those specified should be
used.
R-8740M
MODEL
MICROWAVE OVEN WITH
GRILL AND CONVECTION
S1111118740M/
TABLE OF CONTENTS
Page
CAUTION, MICROWAVE RADIATION .................................................................................................... 3
GENERAL INFORMATION ....................................................................................................................... 3
SERVICING .............................................................................................................................................. 4
PRODUCT SPECIFICATIONS ................................................................................................................. 5
APPEARANCE VIEW .............................................................................................................................. 6
OPERATION SEQUENCE ........................................................................................................................ 7
FUNCTION OF IMPORTANT COMPONENTS ....................................................................................... 9
TROUBLESHOOTING GUIDE ............................................................................................................... 12
TEST PROCEDURE .............................................................................................................................. 14
CONTROL PANEL ASSEMBLY ............................................................................................................ 21
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ................................................... 28
MICROWAVE MEASUREMENT ........................................................................................................... 33
TEST DATA AT A GLANCE/WIRING/REWIRING .................................................................................. 34
SCHEMATIC DIAGRAMS ....................................................................................................................... 35
PICTORIAL DIAGRAM .......................................................................................................................... 39
CONTROL PANEL CIRCUIT DIAGRAM ................................................................................................ 40
PRINTED WIRING BOARD DIAGRAM .................................................................................................. 41
PARTS LIST ........................................................................................................................................... 42
EXPLODED DIAGRAM OF OVEN PARTS ............................................................................................ 45
CONTROL PANEL/DOOR PARTS ......................................................................................................... 46
MISCELLANEOUS/PACKING & ACCESSORIES .................................................................................. 47
GENERAL INFORMATION ....................................................................................................................... 3
SERVICING .............................................................................................................................................. 4
PRODUCT SPECIFICATIONS ................................................................................................................. 5
APPEARANCE VIEW .............................................................................................................................. 6
OPERATION SEQUENCE ........................................................................................................................ 7
FUNCTION OF IMPORTANT COMPONENTS ....................................................................................... 9
TROUBLESHOOTING GUIDE ............................................................................................................... 12
TEST PROCEDURE .............................................................................................................................. 14
CONTROL PANEL ASSEMBLY ............................................................................................................ 21
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ................................................... 28
MICROWAVE MEASUREMENT ........................................................................................................... 33
TEST DATA AT A GLANCE/WIRING/REWIRING .................................................................................. 34
SCHEMATIC DIAGRAMS ....................................................................................................................... 35
PICTORIAL DIAGRAM .......................................................................................................................... 39
CONTROL PANEL CIRCUIT DIAGRAM ................................................................................................ 40
PRINTED WIRING BOARD DIAGRAM .................................................................................................. 41
PARTS LIST ........................................................................................................................................... 42
EXPLODED DIAGRAM OF OVEN PARTS ............................................................................................ 45
CONTROL PANEL/DOOR PARTS ......................................................................................................... 46
MISCELLANEOUS/PACKING & ACCESSORIES .................................................................................. 47
R-8740M
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