Sharp R-490C Supplemental Service Manual
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Sharp R-490C Supplemental Service Manual

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SUPPLEMENTAL SERVICE MANUAL
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..
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
Info Display
SENSOR DEFROST
COOK
HELP
Sensor Instant Reheat
DINNER
CASSEROLE SOUP
PLATE
PIZZA
RICE
PIE
Sensor Cook
VEGETABLES
RICE/PASTA
MEAT
DESSERTS
SLOW
EASY
COOK
DEFROST
LESS
MORE
1 2 3 4
5
6 7 8 9
0
POWER
CLOCK
TIMER
LEVEL
Sensor
STOP
INSTANT COOK
HELP
CLEAR
START

TABLE OF CONTENTS

SHARP CORPORATION
MICROWAVE OVEN
R-490C(S)
MODEL
In interests of user-safety the oven should be restored to its
original condition and only parts identical to those specified
should be used.
R-490C(S)
S9907R490CPJS
Page

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Summary of Contents for Sharp R-490C

  • Page 1: Table Of Contents

    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..
  • Page 2 R-490C(S)

  • Page 3: Caution Microwave Radiation

    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.

  • Page 4: Product Specifications

    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...

  • Page 5: Appearance View

    R-490C(S) APPEARANCE VIEW 11.Waveguide cover 1. Ventilation openings 6. Door seals and sealing surfaces 12.Power supply cord 2. Oven lamp 7. Coupling 13.Rating label 3. Door hinges 8. Door open button 14.Menu label 4. Door safety latches 9. Touch control panel 15.Turntable...

  • Page 6: Component Replacement And Adjustment Procedure

    Please refer to ‘OVEN PARTS, CABINET PARTS, CONTROL PANEL PARTS, DOOR PARTS’, when carrying out any of the following removal procedures: WARNING FOR WIRING and Oven cavity. To prevent an electric shock, take the following 3) Sharp edge: manners. Bottom plate, Oven cavity, Waveguide flange, 1. Before wiring, 1) Disconnect the power supply.
  • Page 7 R-490C(S) DOOR REPLACEMENT After any service, make sure of the following : REMOVAL 1. Door latch heads smoothly catch latch hook through 1. Disconnect the power supply cord. 2. Push the open button and open the door slightly. latch holes and that latch head goes through center of latch hole.

  • Page 8: Microwave Measurement

    R-490C(S) MICROWAVE MEASUREMENT After adjustment of door latch switches, monitor switch Recommended instruments are: and door are completed individually or collectively, the NARDA 8100 following leakage test must be performed with a survey NARDA 8200 instrument and it must be confirmed that the result meets...

  • Page 9: Wiring Diagram

    R-490C(S) SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED. 2. CLOCK APPEARS ON DISPLAY. NOTE: " " indicates components with potentials above 250V. MAGNETRON TEMPERATURE 2ND. LATCH FUSE SWITCH FUSE M10A COM. N.O. N.O. COM. RY-1 RY-2 H. V. FUSE CONTROL 0.75A...

  • Page 10: Pictorial Diagram

    R-490C(S)

  • Page 11: Parts List

    R-490C(S) PARTS LIST Note: The parts marked " " may cause undue microwave exposure. The parts marked "*" are used in voltage more than 250V. REF. NO. PART NO. DESCRIPTION Q'TY CODE ELECTRICAL PARTS 1- 1 QFS-TA014WRE0 Temp. fuse 150˚C (MG)
  • Page 12 R-490C(S) Note: The parts marked " " may cause undue microwave exposure. The parts marked "*" are used in voltage more than 250V. REF. NO. PART NO. DESCRIPTION Q'TY CODE 4- 6 LANGTA316WRP0 Chassis support 4- 7 MLEVPA194WRF0 Switch lever...
  • Page 13 R-490C(S) OVEN AND CABINET PARTS 4-14 4-11 1-10 1-17 4-23 4-22 4-21 1-15 4-24 4-15 4-19 4-13 1-13 1-11 1-12 1-14 4-16 1-16 4-17 4-12 4-20 4-18 1-18 4-10...
  • Page 14 R-490C(S) CONTROL PANEL PARTS DOOR PARTS 3-3-1 3-3-2 3-3-3 5-2-1 MISCELLANEOUS Actual wire harness may be different from illustration.

  • Page 15: Packing And Accessories

    R-490C(S) PACKING AND ACCESSORIES TOP PAD ASSEMBLY FPADBA317WRK0 DOOR PROTECTION SHEET PLASTIC BAG SPADPA204WRE0 SSAKHA032WRE0 6- 8 OPERATION MANUAL TURNTABLE TRAY BOTTOM PAD ASSEMBLY FPADBA318WRK0 6-4 TURNTABLE SUPPORT TRAY PACK INTO THE SPADFA389WRE0 OVEN CAVITY PACKING CASE SPAKCD305WRE0 Not replaceable items.
  • Page 16 R-490C(S) '99SHARP CORP. (09S0.720E) Printed in Australia...

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R-490cs

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