Sharp R772M-004 Schematic

SERVICE MANUAL

S07938R772M//

MICROWAVE OVEN WITH
TOP AND BOTTOM GRILLS

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1 Chilled Ready Meals

1 Meat Joint

1 Frozen Ready Meals

2 Poultry

3 Roast Beef / Lamb 3

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4 Roast Pork 4 Minced Meat

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5 Roast Poultry 5 Bread

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MODELS

R-772(W)M
R-772(G)M

In interests of user-safety the oven should be restored to its original
condition and only parts identical to those specified should be used.

TABLE OF CONTENTS

Page

WARNING, MICROWAVE RADIATION .................................................................................................. 1

WARNING.................................................................................................................................................1

SERVICING ............................................................................................................................................. 2

PRODUCT SPECIFICATIONS ................................................................................................................. 3

GENERAL INFORMATION.......................................................................................................................3

APPEARANCE VIEW .............................................................................................................................. 4

OPERATION SEQUENCE........................................................................................................................5

FUNCTION OF IMPORTANT COMPONENTS ....................................................................................... 8

TROUBLESHOOTING GUIDE ............................................................................................................... 10

TEST PROCEDURE .............................................................................................................................. 11

TOUCH CONTROL PANEL ASSEMBLY .............................................................................................. 17

COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE .................................................. 22

MICROWAVE MEASUREMENT ........................................................................................................... 28

SCHEMATIC DIAGRAMS...................................................................................................................... 29

PICTORIAL DIAGRAM .......................................................................................................................... 33

POWER UNIT CIRCUIT ......................................................................................................................... 34

CPU UNIT CIRCUIT ............................................................................................................................... 35

PRINTED WIRING BOARD ....................................................................................................................36

PARTS LIST .......................................................................................................................................... 37

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