BEFORE SERVICING ......................................................................................................INSIDE FRONT COVER
WARNING TO SERVICE PERSONNEL ................................................................................................................ 1
FOREWORD AND WARNING ............................................................................................................................... 3
PRODUCT SPECIFICATIONS .............................................................................................................................. 4
GENERAL INFORMATION ................................................................................................................................... 4
OPERATION .......................................................................................................................................................... 6
TROUBLESHOOTING GUIDE .............................................................................................................................. 9
TEST PROCEDURE ............................................................................................................................................ 10
TOUCH CONTROL PANEL ................................................................................................................................. 18
PICTORIAL DIAGRAM ........................................................................................................................................ 28
POWER UNIT CIRCUIT ...................................................................................................................................... 29
CPU UNIT CIRCUIT ............................................................................................................................................ 30
PRINTED WIRING BOARD ................................................................................................................................. 32
PARTS LIST ........................................................................................................................................................ 33
PACKING AND ACCESSORIES ......................................................................................................................... 37
SHARP CORPORATION
SERVICE MANUAL
MODELS
ON
DEF. LBS.
QTY. CHECK
To adjust quantity-touch pad again
Popcorn
Beverage
Dinner
Fresh
Plate
Casserole
Baked
Fresh
Potato
Vergeta ble
Fresh
Frozen
Roll/Mu ffin
Roll/Mu ffin
1 Ground meat
2 Steaks/c hops
COMPU
3 Chicken pieces
DEFROS T
1
2
3
4
5
6
7
8
9
POWE R
O
TIMER
LEVEL
CLOCK
STOP
START
CLEAR
In the interest of user-safety the oven should be restored to its original
MINUTE PLUS
condition and only parts identical to those specified should be used.
WARNING TO SERVICE PERSONNEL: Microwave ovens con-
tain circuitry capable of producing very high voltage and
current, contact with following parts may result in a severe,
possibly fatal, electrical shock. (High Voltage Capacitor, High
Voltage Power Transformer, Magnetron, High Voltage Recti-
fier Assembly, High Voltage Harness etc..)
TABLE OF CONTENTS
MICROWAVE OVEN
R-305BW
R-309BW
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
R-305BW
R-309BW
S1801R305BPW/
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