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R-415EW
R-515EK
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 ............................................................................................................................. 9
TEST PROCEDURE ........................................................................................................................................... 10
TOUCH CONTROL PANEL ................................................................................................................................18
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ................................................................ 22
PICTORIAL DIAGRAM ....................................................................................................................................... 28
POWER UNIT CIRCUIT ......................................................................................................................................29
CPU UNIT CIRCUIT ............................................................................................................................................30
PRINTED WIRING BOARD ................................................................................................................................31
PARTS LIST ........................................................................................................................................................ 33
PACKING AND ACCESSORIES ......................................................................................................................... 37
SHARP ELECTRONCS CORPORATION
Service Headquarters: Sharp Plaza, Mahwah, New Jersey, 07430-2135
SERVICE MANUAL
MODELS
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 con-
tain 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 Recti-
fier Assembly, High Voltage Harness etc..)
TABLE OF CONTENTS
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
S91M172R415EE
MICROWAVE OVEN
R-415EW
R-515EK
R-415EW
R - 515EK
Page
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Summary of Contents for Sharp R-415EW
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Page 1: Table Of Contents
PARTS LIST ................................ 33 PACKING AND ACCESSORIES ......................... 37 This document has been published to be used for after sales service only. SHARP ELECTRONCS CORPORATION The contents are subject to change without notice. Service Headquarters: Sharp Plaza, Mahwah, New Jersey, 07430-2135... -
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-415EW R-515EK 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-415EW R- 515EK 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-415EW & R-515EK 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 OVENS, R-415EW and R-515EK. It is recommended that service personnel carefully study the entire text... -
Page 6: Product Specifications
R- 515EK SPECIFICATION ITEM DESCRIPTION Power Requirements 120 Volts 13.8 Amperes, 1650 watts - (R-415EW & R-515EK) 60 Hertz Single phase, 3 wire grounded Power Output 1200 watts (IEC 705 TEST PROCEDURE) - (R-415EW/R-515EK) Operating frequency of 2450MHz Case Dimensions Width 21-21/32"... -
Page 7: Oven Diagram
R-415EW R-515EK Grounded a qualified electrician and have it replaced with a properly 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 3-Pronged or table where it can be pulled on by children or tripped over accidentally. -
Page 8: Operation
R-415EW R- 515EK OPERATION DESCRIPTION OF OPERATING SEQUENCE The following is a description of component functions during relay and is mechanically associated with the door so that oven operation. it will function in the following sequence. (1) When the door opens from the closed position, the... -
Page 9: Oven Schematic-Off Condition
R-415EW R-515EK Note:* Indicates component SCHEMATIC NOTE: CONDITION OF OVEN 1. Door Closed 2. CLOCK APPEARS ON DISPLAY MAGNETRON MONITOR TEMP. FUSE 20A FUSE COM. N.O. CAPACITOR 1.0µF AC 2300V (RY-2) (RY-1) PRIMARY INTERLOCK RELAY CONTROL UNIT N.O. COM. 120V AC... -
Page 10: Description And Function Of Components
R-415EW R- 515EK DESCRIPTION AND FUNCTION OF COMPONENTS DOOR OPEN MECHANISM open, the monitor fuse blows simultaneously with closing of the monitor switch contacts. The door is opened by pushing the open button on the control CAUTION: BEFORE REPLACING A BLOWN MONITOR panel, refer to the Figure D-1. -
Page 11: Troubleshooting Guide
R-415EW R-515EK TROUBLESHOOTING GUIDE Never touch any part in the circuit with your hand or an uninsulated tool while the power supply is connected. When troubleshooting the microwave oven, it is helpful to follow the Sequence of Operation in performing the checks. Many of the possible causes of trouble will require that a specific test be performed. -
Page 12: Test Procedure
R-415EW R- 515EK CK = Check / RE = Replace RE RE A B C D E E F F G H RE RE CK I CK CK CK J K L M TEST PROCEDURE PROBLEM CONDITION Home fuse or circuit breaker blows... - Page 13 4. Subtract the cold water temperature from the hot water temperature. The normal result should be 38 to 78 F(21 to 42.6 C) rise for R-415EW and 33 to 62 F (18.6 to 34.5 C) rise for R-515EK in temperature. If the water temperatures are accurately measured and tested for the required time period the test...
- Page 14 R-415EW R- 515EK TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER HIGH VOLTAGE RECTIFIER 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. Isolate the rectifier from the circuit. Using the highest ohm scale of the meter, read the resistance across the terminals and observe, reverse the leads to the rectifier terminals and observe meter reading.
- Page 15 R-415EW R-515EK TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER CAUTION: IF THE TEMPERATURE FUSE INDICATES AN OPEN CIRCUIT AT ROOM TEMPERA- TURE, REPLACE TEMPERATURE FUSE. SECONDARY INTERLOCK SWITCH TEST 1. Disconnect the power supply cord, and then remove outer case. 2. Open the door and block it open.
- Page 16 R-415EW R- 515EK TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER 5. Reconnect all leads removed from components during testing. 6. Reinstall the outer case (cabinet). 7. Reconnect the power supply cord after the outer case is installed. 8. Run the oven and check all Screw Driver functions.
- Page 17 R-415EW R-515EK TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER The following symptoms indicate a defective key unit. a) When touching the pads, a certain pad produces no signal at all. b) When touching a number pad, two figures or more are displayed.
- Page 18 R-415EW R- 515EK 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. MINUTE MINUTE CHICKEN CHICKEN PLUS...
- Page 19 R-415EW R-515EK TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER (4) 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 20: Touch Control Panel
R-415EW R- 515EK TOUCH CONTROL PANEL ASSEMBLY OUTLINE OF TOUCH CONTROL PANEL 3) Power Source Circuit The touch control section consists of the following units. This circuit generates voltages necessary in the control unit from the AC line voltage. (1) Key Unit... - Page 21 R-415EW R-515EK Pin No. Signal Description Back light circuit (Light emitting diodes) driving signal. 12-13 P56-P55 Terminal not used. CNTR0 Signal to sound buzzer (2.0 kHz). 0.1 sec. H : GND A: key touch sound. L : -5V B: Completion sound.
- Page 22 G5 line keys on key matrix is touched. Key strobe signal. Signal applied to touch-key section. A pulse signal is input to AN2 (R-415EW) P41, P43, P44 and P45 terminal while one of G4 line keys on key matrix is touched.
- Page 23 R-415EW R-515EK TOUCH CONTROL PANEL SERVICING 1. Precautions for Handling Electronic Components 5) Re-connect the power supply cord after the outer This unit uses CMOS LSI in the integral part of the case is installed. circuits. When handling these parts, the following 6) Run the oven and check all functions.
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Page 24: Component Replacement And Adjustment Procedure
4. If the outer case (cabinet) is not fitted. WARNING FOR WIRING To prevent an electric shock, take the following pre- 3) Sharp edge: cautions: Bottom plate, Oven cavity, Waveguide flange, 1. Before wiring: Chassis support and other metallic plate. -
Page 25: Magnetron Removal
R-415EW R-515EK CAUTION: 1. DISCONNECT OVEN FROM POWER SUP- PLY BEFORE REMOVING OUTER CASE. 2. DISCHARGE THE HIGH VOLTAGE CA- PACITOR BEFORE TOUCHING ANY OVEN Special screw COMPONENTS OR WIRING. NOTE: When replacing the outer case, the 2 special Torx screws must be reinstalled in the same locations. - Page 26 4. Where the corners have been snipped off bend corner 7. Now the turntable motor is free. areas flat. No sharp edges must be evident after removal 8. After replacement use the one (1) screw to fit the turntable of the turntable motor cover.
- Page 27 R-415EW R-515EK COOLING FAN MOTOR REMOVAL REMOVAL CAUTION: 1. Disconnect the power supply cord and then remove outer * Do not reuse the removed fan blade because the hole case. (for shaft) may be larger than normal. 2. Open the door and block it open.
- Page 28 R-415EW R- 515EK 3. Secure latch hook (with two (2) mounting screws) to oven and check continuity of the monitor circuit. Refer to chapter flange. "Test Procedure" and Adjustment procedure. 4. Make sure that the monitor switch is operating properly DOOR SENSING SWITCH/SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH ADJUSTMENT 1.
- Page 29 R-415EW R-515EK 9. Release the door panel from twelve (12) tabs of door frame. 10.Remove the door panel from the door frame. Upper Oven 11.Now, door panel with sealer film is free. Upper Hinge Oven Hinge 12.Tear sealer film from door panel.
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Page 30: Pictorial Diagram
R-415EW R- 515EK... -
Page 31: Power Unit Circuit
R-415EW R-515EK CN-C S1NB10 9PIN LEAD WIRE HARNESS CN-A – OVEN LAMP TURNTABLE BUZZER MOTOR FAN MOTOR OVEN LAMP TURNTABLE MOTOR FAN MOTOR MICRO MICRO (BROWNER) DOOR SENSING SWITCH CN-B DOOR... -
Page 32: Cpu Unit Circuit
R-415EW R- 515EK COM1 COM2 COM3 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 SEG0 VREF XOUT AVSS COM3 COM2 COM1 RESET COM0 4.7k 4.7k 4.7k 0.01µ/25v UDZ4.3B... -
Page 33: Printed Wiring Board
R-415EW R-515EK COM1 COM2 COM3 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 SEG0 VREF XOUT AVSS COM3 COM2 COM1 RESET COM0 4.7k 4.7k 4.7k 0.01µ/25v UDZ4.3B 270k... - Page 34 R-415EW R- 515EK Figure S-5 . Printed Wiring Board of Power Unit...
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Page 35: Parts List
VRS1 RH-VZA032DRE0 Varistor (10G471K) (Interchangeable) 3- 2 DPWBFC163WRKZ LSI unit [R-415EW/R-515EK] 3- 3 FPNLCB347/KIT Control panel frame with key unit [R-415EW] 3- 3 FPNLCB339/KIT Control panel frame with key unit [R-515EK] 3- 4 FUNTKB317/KIT Key unit [R-415EW] 3- 4 FUNTKB318/KIT... - Page 36 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.
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Page 37: Oven And Cabinet Parts
R-415EW R-515EK OVEN AND CABINET PARTS 1-10 1-14 1-11 4-10 1-12 1-13 4-12 4-11... - Page 38 R-415EW R- 515EK CONTROL PANEL PARTS R-415EW & R-515EK DOOR PARTS R-415EW 5-10 R-515EK Actual wire harness may be different from illustration.
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Page 39: Packing And Accessories
R-415EW R-515EK PACKING AND ACCESSORIES TOP PAD ASSEMBLY DOOR PROTECTION SHEET PLASTIC BAG TRAY HOLDER 6-5 TURNTABLE TRAY 6-8 OPERATION MANUAL 6-4 TURNTABLE SUPPORT BOTTOM PAD ASSEMBLY TRAY PACK PACKING CASE None-Replaceable items... - Page 40 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. '2001 SHARP CORP. (9M2.61E) Printed in U.S.A...
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