R-1750
R-1751
R-1752
R-1754
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.
WARNING TO SERVICE PERSONNEL: Microwave ovens contain circuitry capable of producing very high voltage
and current. Contact with the following parts may result in a severe, possibly fatal, electrical shock. (Inverter unit
that includes High Voltage Capacitor, High Voltage Power Transformer, High Voltage Rectifier and Heat sink etc.,
and Magnetron, High Voltage Harness etc..)
TABLE OF CONTENTS
Page
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO
AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY ................... INSIDE FRONT COVER
BEFORE SERVICING ...................................................................................................... INSIDE FRONT COVER
WARNING TO SERVICE PERSONNEL ................................................................................................................ 1
MICROWAVE MEASUREMENT PROCEDURE ................................................................................................... 2
FOREWORD AND WARNING ............................................................................................................................... 3
PRODUCT SPECIFICATIONS .............................................................................................................................. 4
GENERAL INFORMATION ................................................................................................................................... 4
OPERATION .......................................................................................................................................................... 6
TROUBLESHOOTING GUIDE ............................................................................................................................ 14
TEST PROCEDURE ............................................................................................................................................ 16
TOUCH CONTROL PANEL ASSEMBLY ............................................................................................................ 27
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ................................................................ 33
PICTORIAL DIAGRAM ........................................................................................................................................ 41
POWER UNIT CIRCUIT ...................................................................................................................................... 42
LSI UNIT CIRCUIT ............................................................................................................................................... 43
PRINTED WIRING BOARD ................................................................................................................................. 44
PARTS LIST ........................................................................................................................................................ 45
PACKING AND ACCESSORIES ......................................................................................................................... 50
S8019R1750X//
R-1750
R-1751
R-1752
R-1754
OVER THE RANGE
MICROWAVE OVEN
MODELS
SERVICE MANUAL
SHARP CORPORATION
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
T O U C H S C R E E N
ONE TOUCH
SENSOR
Reheat
Popcoon
Baked
Potatoes
Beverage
Center
Keep
Warm
MINUTE
PLUS
STOP/
CLEAR
START
Meats
Fish/
Seafood
Fan
Options
Light
Options
Turntable
On/Off
Frozen
Food
Pasta
Grains
Vegetables
Poultry
Set Up
MORE
FROM YOUR
MICROWAVE
6 x 6
6 Cate 36 Foods
6x6 NO GUESS COOKING
Defrost
3+6
12 : 45
PM
1
2
3
4
5
6
7
8
0
9
Minute
Plus +
Kitchen
Timer
