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SUPPLEMENTAL SERVICE MANUAL
R-509FW
This is a supplemental Service Manual for Microwave Oven model R-509FW. This model is quite similar to the base
models; R-510FK/FW (S12M182R510FE).
This supplemental manual must be used in conjunction with the base model service manual for complete operation,
service, safety and replacement parts information.
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 following parts may result in a severe, possibly fatal, electrical shock. (High Voltage Capacitor, High Voltage Power
Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage Harness etc..)
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
TEST PROCEDURE .............................................................................................................................................. 8
TOUCH CONTROL PANEL .................................................................................................................................. 12
CPU UNIT CIRCUIT ............................................................................................................................................. 16
PARTS LIST ........................................................................................................................................................ 17
PACKING AND ACCESSORIES ......................................................................................................................... 21
SHARP ELECTRONICS CORPORATION
Service Headquarters: Sharp Plaza, Mahwah, New Jersey, 07430-2135
MODEL
TABLE OF CONTENTS
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
S22M183R509FE
MICROWAVE OVEN
R-509FW
R- 509FW
Page
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Summary of Contents for Sharp R-509FW
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Page 1: Table Of Contents
MODEL R-509FW This is a supplemental Service Manual for Microwave Oven model R-509FW. This model is quite similar to the base models; R-510FK/FW (S12M182R510FE). This supplemental manual must be used in conjunction with the base model service manual for complete operation, service, safety and replacement parts information. -
Page 2: Precautions To Be Observed Before And During Servicing To Avoid Possible Exposure To Excessive Microwave Energy
ELECTRONICS CORPORATION immediately @1-800-237-4277. If the unit operates with the door open, service person should 1) tell the user not to operate the oven and 2) contact SHARP ELECTRONICS CORPORATION and Food and Drug Administration's Center for Devices and Radiological Health immediately. -
Page 3: Warning To Service Personnel
R-509FW WARNING TO SERVICE PERSONNEL Microwave ovens contain circuitry capable of pro- ducing very high voltage and current, contact with following parts may result in a severe, possibly fatal, electrical shock. (Example) High Voltage Capacitor, High Voltage Power Trans- former, Magnetron, High Voltage Rectifier Assem- bly, High Voltage Harness etc.. -
Page 4: Microwave Measurement Procedure
R-509FW MICROWAVE MEASUREMENT PROCEDURE A. Requirements: 1) Microwave leakage limit (Power density limit): The power density of microwave radiation emitted by a microwave oven should not exceed 1mW/cm at any point 5cm or more from the external surface of the oven, measured prior to acquisition... -
Page 5: Foreword And Warning
MICROWAVE OVEN R-509FW GENERAL INFORMATION FOREWORD This Manual has been prepared to provide Sharp Electronics Corp. Service Personnel with Operation and Service Information for the SHARP OPERATION MICROWAVE OVEN, R-509FW. It is recommended that service personnel carefully study the entire text... -
Page 6: Product Specifications
R-509FW SPECIFICATION ITEM DESCRIPTION Power Requirements 120 Volts 13.3 Amperes, 1600 watts 60 Hertz Single phase, 3 wire grounded Power Output 1100 watts (IEC 705 TEST PROCEDURE) Operating frequency of 2450MHz Case Dimensions Width 24" Height 13-3/8" Depth 19-1/8" Cooking Cavity Dimensions Width 17-3/8"... -
Page 7: Oven Diagram
R-509FW a qualified electrician and have it replaced with a properly grounded Grounded Receptacle Box three-pronged wall receptacle or have a grounding adapter properly grounded and polarized. If the extension cord must be used, it should be a 3-wire, 15 amp. or higher rated cord. Do not drape over a countertop or table where it can be pulled on by children or tripped over accidentally. -
Page 8: Operation
R-509FW OPERATION DESCRIPTION OF OPERATING SEQUENCE The following is a description of component functions during and is mechanically associated with the door so that it will oven operation. function in the following sequence. (1) When the door opens from the closed position, the... - Page 9 R-509FW Note:* Indicates component SCHEMATIC NOTE: CONDITION OF OVEN 1. Door Closed 2. CLOCK APPEARS ON DISPLAY CAVITY TEMPERATURE FUSE FUSE N.O. COM. DOOR SENSING POWER SWITCH TRANSFORMER HUMIDITY SENSOR (RY2) SECONDARY MAGNETRON INTERLOCK RELAY N.O. (RY1) COM. CONTROL UNIT...
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Page 10: Test Procedure
R-509FW TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER MONITOR SWITCH TEST 1. Disconnect the power supply cord, and then remove outer case. 2. Open the door and block it open. 3. Discharge high voltage capacitor. 4. Before performing this test, make sure that the primary interlock switch and the secondary interlock relay are operating properly, according to the above Switch Test Procedure. - Page 11 R-509FW TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER 1) Disconnect the power supply cord, and then remove outer case. 2) Open the door and block it open. 3) Discharge high voltage capacitor. 4) Replace the Key unit. 5) Reconnect all leads removed from components during testing.
- Page 12 R-509FW TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER 6. Re-install the outer case (cabinet). 7. Reconnect the power supply cord after the outer case is installed. 8. Run the oven and check all functions. START TIMER DEFROST CLOCK STOP COOK CLEAR...
- Page 13 R-509FW TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER (6) The oven will operate as follows. (in case of Steak/Chops 0.5lb) (7) If improper operation is indicated, the control unit is probably defective and should be checked. FOIL PATTERN ON THE PRINTED WIRING BOARD TEST To protect the electronic circuits, this model is provided with a fine foil pattern added to the primary on the PWB, this foil pattern acts as a fuse.
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Page 14: Touch Control Panel
R-509FW TOUCH CONTROL PANEL ASSEMBLY OUTLINE OF TOUCH CONTROL PANEL The touch control section consists of the following units. This circuit consists of 22 segments and 3 common electrodes using a Liquid Crystal Display. (1) Key Unit (2) Control Unit (The Control Unit consists of Power Unit 3) Power Source Circuit and LSI Unit). - Page 15 R-509FW DESCRIPTION OF LSI The I/O signal of the LSI is detailed in the following table. Pin No. Signal Description VL2-VL1 Power source voltage input terminal. Standard voltage for LCD. AN7-AN4 Terminal to change cooking input according to the Model.
- Page 16 R-509FW Pin No. Signal Description RESET Auto clear terminal. Signal is input to reset the LSI to the initial state when power is applied. Temporarily set “L” level the moment power is applied, at this time the LSI is reset. Thereafter set at “H”...
- Page 17 R-509FW Pin No. Signal Description 73/74 Connected to GND. VCC/VREF AVSS Connected to VC. COM3 Terminal not used. COM2 Common data signal. Connected to LCD signal COM3. COM1 Common data signal. Connected to LCD signal COM2. COM0 Common data signal.
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Page 18: Cpu Unit Circuit
LIQUID CRYSTAL DISPLAY PRESET LBS. LSI UNIT CUPS KGOZ. COOK DEFROST SENSOR AUTO R4 4.7k 2SA1037AK 2SA1037AK SEG8 DTA143EKA SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 CNTR0 BUZZER DTA143EKA OVEN LAMP FAN MOTOR INT0 0.1µ/50v TURNTABLE MOTOR... -
Page 19: Parts List
R-509FW PARTS LIST Note: The parts marked “ ” may cause undue microwave exposure. The parts marked “*” are used in voltage more than 250V. "§" MARK: PARTS DELIVERY SECTION. REF. NO. PART NO. § DESCRIPTION Q'TY CODE ELECTRIC PARTS... - Page 20 To have your order filled promptly and correctly, please furnish the following information. 1. MODEL NUMBER 2. REF. NO. 3. PART NO. 4. DESCRIPTION Order Parts from the authorized SHARP parts Distributor for your area. Defective parts requiring return should be returned as indicated in the Service Policy.
- Page 21 R-509FW OVEN AND CABINET PARTS 1-13 1-10 4-10 1-11 1-12 4-11 4-12...
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Page 22: Control Panel Parts
R-509FW CONTROL PANEL PARTS 3 - 1 3 - 4 3 - 2 3 - 3 3 - 6 3 - 5 3-2-1 3-2-3 3-2-2 DOOR PARTS MISCELLANEOUS Actual wire harness may be different from illustration. -
Page 23: Packing And Accessories
R-509FW PACKING AND ACCESSORIES TOP PAD ASSEMBLY DOOR PROTECTION SHEET 6-5 TURNTABLE TRAY PLASTIC BAG TRAY HOLDER 6-8 OPERATION MANUAL BOTTOM PAD ASSEMBLY 6-4 TURNTABLE SUPPORT PACKING CASE... - Page 24 No part of this publication may be repro- duced, stored in retrieval systems, or trans- mitted in any form or by any means, elec- tronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher. 2002 SHARP CORP. (2M2.20E) Printed in U.S.A...
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