R-875/885 - 1
TABLE OF CONTENTS
Page
CAUTION, MICROWAVE RADIATION.................................................................................................... 2
SERVICING ............................................................................................................................................. 4
PRODUCT SPECIFICATIONS .................................................................................................................7
GENERAL INFORMATION.......................................................................................................................7
APPEARANCE VIEW .............................................................................................................................. 8
OPERATION SEQUENCE........................................................................................................................9
FUNCTION OF IMPORTANT COMPONENTS ..................................................................................... 13
TROUBLESHOOTING GUIDE ...............................................................................................................15
TEST PROCEDURE .............................................................................................................................. 16
CONTROL PANEL ASSEMBLY ............................................................................................................23
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE .................................................. 28
MICROWAVE MEASUREMENT ........................................................................................................... 34
TEST DATA AT A GLANCE .................................................................................................................. 34
SCHEMATIC DIAGRAMS...................................................................................................................... 35
PICTORIAL DIAGRAM .......................................................................................................................... 39
POWER UNIT CIRCUITDIAGRAM.........................................................................................................40
PRINTED WIRING OF KEY AND JOG UNIT .........................................................................................41
CPU UNIT CIRCUITDIAGRAM...............................................................................................................42
PRINTED WIRING BOARDOF POWER UNIT DIAGRAM .....................................................................43
PRINTED WIRING OF BOARD OF JOG SWITCH UNIT DIAGRAM .................................................... 44
PARTS LIST .......................................................................................................................................... 45
EXPLODED DIAGRAM OF OVEN PARTS ........................................................................................... 48
CONTOL PANEL & DOOR PARTS DIAGRAM ..................................................................................... 49
MISCELLANEOUS/PACKING & ACCESSORIES ................................................................................. 50
S70225R875EHW
MICROWAVE OVEN WITH
GRILL AND CONVECTION
MODELS
R-875(B)
R-875(K)
R-875(W)
R-885(AL)
In interests of user-safety the oven should be restored to its original
condition and only parts identical to those specified should be used.
®
SERVICE MANUAL
SHARP CORPORATION
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