Sharp R-950A Service Manual

R-950A
SX734R950APM/
CONVECTION
MICROWAVE OVEN
MODEL
R-950A
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
TABLE OF CONTENTS
Page
CAUTION, MICROWAVE RADIATION ............................................................................................................. 1
WARNING ...........................................................................................................................................................1
PRODUCT SPECIFICATIONS.......................................................................................................................... 2
GENERAL INFORMATION ................................................................................................................................ 2
APPEARANCE VIEW........................................................................................................................................ 3
OPERATION SEQUENCE ................................................................................................................................ 4
FUNCTION OF IMPORTANT COMPONENTS ................................................................................................. 7
SERVICING ..................................................................................................................................................... 10
TEST PROCEDURE ........................................................................................................................................ 12
TOUCH CONTROL PANEL ASSEMBLY ......................................................................................................... 19
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE............................................................ 24
MICROWAVE MEASUREMENT ..................................................................................................................... 30
WIRING DIAGRAM ......................................................................................................................................... 31
PICTORIAL DIAGRAM.................................................................................................................................... 34
CONTROL PANEL CIRCUIT ........................................................................................................................... 35
PRINTED WIRING BOARD ............................................................................................................................. 36
PARTS LIST..................................................................................................................................................... 37
HELP
AUTO
COOK
AUTO
ROAST
AUTO
GRILL
AUTO
BAKE
OUTO
REHEAT
POWER
LEVEL
EASY
DEFROST
KITCHEN
TIMER
STOP
CLEAR
CLOCK
SIMUL
GRILL
SIMUL
CONVEC
GRILL
CONVEC
LESS MORE
PREHEAT
Info Display
12345
6789O
I
NSTANT COOK

START
40˚C 70˚C 130˚C 150˚C 160˚C
180˚C 200˚C 220˚C 230˚C 250˚C
1. Red Meat
2. Poultry
3. Pork
1. Cake
2. Fruit Pie
3. Cookies
1. Steak
2.
Chiken Pieces

3. Fish
Convection & Grill
%
HELP
AUTO INFO
COOKLbs Kg Oz Pcs

Sharp R-950A Specifications

Power

ac line voltage	220 V
microwave frequency	2450 MHz
ac power required (microwave)	1.6 kW
ac power required (convection)	1.6 kW
ac power required (grill)	1.05 kW
ac power required (simul)	3.15 kW

Oven Specifications

oven capacity	41 litre
output power (microwave)	900 W
output power (convection heater)	1500 W
output power (grill heater)	1000 W

Weight and Dimensions

width	627 mm
height	378 mm
depth	492 mm
cavity width	410 mm
cavity height	245 mm
cavity depth	410 mm
weight	29 kg