R-490C(S)
SHARP CORPORATION
SUPPLEMENTAL SER VICE MANU AL
S9907R490CPJS
MICROWAVE OVEN
MODEL
R-490C(S)
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
CAUTION, MICROWAVE RADIATION............................................................................................................. 1
WARNING..........................................................................................................................................................1
PRODUCT SPECIFICATIONS ......................................................................................................................... 2
GENERAL INFORMATION................................................................................................................................2
APPEARANCE VIEW ....................................................................................................................................... 3
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ..............................................................4
MICROWAVE MEASUREMENT .......................................................................................................................6
WIRING DIAGRAM ............................................................................................................................................7
PICTORIAL DIAGRAM ......................................................................................................................................8
PARTS LIST ......................................................................................................................................................9
This is a supplemental Service Manual for Model R-490C(S). This model is quite similar to base model R-480C.
Use this supplemental manual together with the Base Model Service Manual (Refer No. is S6903R480CPJ/) for
complete operation, service information, etc..
Sensor
SENSOR DEFROST COOK
HELP
Info Display
Sensor Instant Reheat
Sensor Cook
DINNER
PLATE
CASSEROLE
SOUP
PIZZA RICE PIE
VEGETABLES RICE/PASTA
DESSERTS
MEAT
LESS
POWER
LEVEL
STOP
CLEAR
CLOCK TIMER
HELP
MORE
SLOW
COOK
EASY
DEFROST
12345
67890
INSTANT COOK
START
R-490C(S)
R-490C(S)
1
SERVICE MANUAL
MICROWAVE OVEN
R-490C(S)
GENERAL IMPORTANT INFORMATION
This Manual has been prepared to provide Sharp Corp. Service engineers with Operation and Service Information.
It is recommended that service engineers carefully study the entire text of this manual and base model's manual (Refer
No. is S6903R480CPJ/), so they will be qualified to render satisfactory customer service.
CAUTION
MICROWAVE RADIATION
DO NOT BECOME EXPOSED TO RADIATION FROM THE MICROWAVE GENERATOR OR OTHER PARTS
CONDUCTING MICROWAVE ENERGY.
Service engineers should not be exposed to the microwave energy which may radiate from the magnetron or other
microwave generating devices if it is improperly used or connected. All input and output microwave connections,
waveguides, flanges and gaskets must be secured. Never operate the device without a microwave energy absorbing
load attached. Never look into an open waveguide or antenna while the device is energized.
WARNING
Never operate the oven until the following points are ensured.
(A) The door is tightly closed.
(B) The door brackets and hinges are not defective.
(C) The door packing is not damaged.
(D) The door is not deformed or warped.
(E) There is not any other visible damage with the oven.
Servicing and repair work must be carried out only by trained service engineers.
All the parts marked "*" on parts list are used at voltages more than 250V.
Removal of the outer wrap gives access to potentials above 250V.
All the parts marked "∆" on parts list may cause undue microwave exposure, by themselves, or when they are damaged,
loosened or removed.
SHARP CORPORATION
OSAKA, JAPAN
2
R-490C(S)
PRODUCT SPECIFICATIONS
ITEM DESCRIPTION
Power Requirements 230 - 240 Volts
50 Hertz
Single phase, 3 wire earthed
Power Consumption 1.6 kW
Power Output 1100 watts nominal of RF microwave energy (IEC 705)
Operating frequency 2450 MHz
Case Dimensions Width 550 mm
Height 315 mm
Depth 441 mm
Cooking Cavity Dimensions Width 378 mm
Height 223 mm
Depth 425 mm
Turntable diameter 360mm
Control Complement Touch Control System
Clock ( 1:00 - 12:59)
Timer (0 - 99 minutes 99 seconds)
Microwave Power for Variable Cooking
Repetition Rate;
HIGH ............................................... Full power throughout the cooking time
MEDIUM HIGH ..................................................approx. 70% of Full Power
MEDIUM .............................................................approx. 50% of Full Power
MEDIUM LOW ....................................................approx. 30% of Full Power
LOW ....................................................................approx. 10% of Full Power
HELP pad
SENSOR INSTANT REHEAT pads
SENSOR COOK pads
SLOW COOK pad
EASY DEFROST pad
MORE, LESS pads
NUMBER pads
POWER LEVEL pad
CLOCK pad
TIMER pad
STOP/CLEAR pad
INSTANT COOK/START pad
Weight Approx. 20 kg
GENERAL INFORMATION
WARNING
THIS APPLIANCE MUST BE EARTHED
IMPORTANT
THE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE:
GREEN-AND-YELLOW : EARTH
BLUE : NEUTRAL
BROWN : LIVE
R-490C(S)
3
APPEARANCE VIEW
1. Ventilation openings
2. Oven lamp
3. Door hinges
4. Door safety latches
5. See through door
10
3
4
2
7
13
5
6
14
4
11
8
16
9
12
15
1
SENSOR DEFROST COOK
HELP
Info Display
Sensor Instant Reheat
Sensor Cook
DINNER
PLATE
CASSEROLE
SOUP
PIZZA RICE PIE
VEGETABLES RICE/PASTA
DESSERTS
MEAT
LESS
POWER
LEVEL
STOP
CLEAR
CLOCK TIMER
HELP
MORE
SLOW
COOK
EASY
DEFROST
1234 5
6789 0
INSTANT COOK
START
STOP/CLEAR PAD
Press to clear during programming.
Press once to stop operation of
oven during cooking; press twice to
cancel cooking programme.
POWER LEVEL PAD
Press to select microwave power
setting. If not pressed, HIGH is automatically selected.
INSTANT COOK/START PAD
Press once to cook for 1 minute on
HIGH or increase in 1 minute increments each time this pad is pressed
during cooking. Press to start the oven
after setting programmes.
HELP PAD
Press to select auto start, information
guide on/off, child lock, demonstration modes or info on pads.
Press to get cooking information.
SENSOR COOK PADS
Press to select Sensor Cook menus.
SENSOR INSTANT REHEAT PADS
Press once to reheat 1 of 6 popular
menus.
EASY DEFROST PAD
Press to defrost frozen food by entering quantity.
MORE( ), LESS ( ) PADS
Press to increase/ decrease the time
in one minute increments during
cooking or alter the cooking result for
Sensor Instant Reheat, Sensor Cook
or Easy Defrost modes.
NUMBER PADS
Press to enter cooking times, clock time,
weight or quantity of food.
TIMER PAD
Press to set Timer
CLOCK PAD
Press to set Clock.
SLOW COOK PAD
Press to cook slowly and for a long
time.
Indicator
Display
6. Door seals and sealing surfaces
7. Coupling
8. Door open button
9. Touch control panel
10.Digital readout
11.Waveguide cover
12.Power supply cord
13.Rating label
14.Menu label
15.Turntable
16.Roller stay
TOUCH CONTROL PANEL
Loading...