Sharp R-519CK Service Manual
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Sharp R-519CK Service Manual

Sharp R-519CK Service Manual

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R-530CW
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 ............................................................................................................................ 10
TEST PROCEDURE ............................................................................................................................................ 12
TOUCH CONTROL PANEL ................................................................................................................................. 21
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ................................................................ 29
PICTORIAL DIAGRAM ........................................................................................................................................ 35
POWER UNIT CIRCUIT ...................................................................................................................................... 36
LSI UNIT CIRCUIT ............................................................................................................................................... 37
PRINTED WIRING BOARD ................................................................................................................................. 40
PARTS LIST ........................................................................................................................................................ 41
PACKING AND ACCESSORIES ......................................................................................................................... 45
SHARP CORPORATION
SERVICE MANUAL
MODELS
SENSOR DEFROST
COOK
HELP
Sensor
Popcorn
Custom
reheat
help
Fresh
Baked
Rice
vegetables
potatoes
Ground
Fish/
meat
Poultry
seafood
Frozen
Frozen
Frozen
entrees
snacks
vegetables
Kitchen
Minute
Timer
Clock
Plus
Power
Stop
Start
Level
Clear
Touch On
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 the 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

MICROWAVE OVEN
R-519CK
R-530CK
R-530CW
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
R - 519CK
R - 530 CK
R -530 CW
S4909R530CUW/
Page

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Summary of Contents for Sharp R-519CK

  • Page 1: Table Of Contents

    R - 519CK R - 530 CK R -530 CW SERVICE MANUAL S4909R530CUW/ MICROWAVE OVEN R-519CK MODELS R-530CK SENSOR DEFROST COOK HELP Sensor Popcorn Custom reheat help Fresh Baked Rice R-530CW vegetables potatoes Ground Fish/ meat Poultry seafood Frozen Frozen...

  • Page 2: Precautions To Be Observed Before And During Servicing To Avoid Possible Exposure To Excessive Microwave Energy

    Before servicing an operative unit, perform a microwave emission check as per the Microwave Measurement Procedure outlined in this service manual. If microwave emissions level is in excess of the specified limit, contact SHARP 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 -519CK R -530CK R-530CW 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 - 5 1 9 C K R - 5 3 0 C K R -530 CW 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 by a purchaser, and thereafter (through the useful life of the oven), 5 mW/cm...

  • Page 5: Foreword And Warning

    MICROWAVE OVEN R-519CK/ R-530CK/ R-530CW GENERAL INFORMATION FOREWORD This Manual has been prepared to provide Sharp Electronics Corp. Service Personnel with Operation and Service Information for the SHARP MICROWAVE OVEN, R-519CK, R-530CK, R-530CW. OPERATION It is recommended that service personnel carefully study the entire text of this manual so that they will be qualified to render satisfactory customer service.

  • Page 6: Product Specifications

    P-0 ............ No power throughout the cooking time CUSTOM HELP pad, COMPU DEFROST pads SENSOR COOK pads, INSTANT ACTION pads R-519CK Number selection pads, Kitchen Timer pad, Clock pad, Minute Plus pad, Power Level pad, Stop/Clear pad, Start pad Sensor Cooking pads, Breakfast Bar pad, Lunch on the Run pad...

  • Page 7: Oven Diagram

    C O M P U D E F R O S T Ground Steaks/ Chicken Meat Chops Pieces Kitchen Minute Clock Kitchen Minute Timer Plus Clock Timer Plus Stop Power START Stop Start Power Level Clear Level Clear Touch On R-519CK R-530CK/CW...

  • Page 8: Operation

    (Figure O-1). (2) When the door is closed from the open position, the 1. The display will show flashing "88:88" (for R-519CK). monitor switch contacts open first. Then the contacts of The display will show "SHARP SIMPLY PRESS CLEAR the secondary interlock switch and door sensing switch AND PRESS CLOCK"...
  • Page 9 3. Sensor detects moisture and humidity and calculates cooking time and variable power. Cooking Sequence. 1. Touch one of the SENSOR pads (for R-519CK). Touch one of the SENSOR pads and then touch the Start pad (for R-530CK/CW). NOTE: The oven should not be operated on SENSOR immediately after plugging in the unit.

  • Page 10: Oven Schematic-Off Condition

    R - 5 1 9 C K R - 5 3 0 C K R -530 CW SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED. 2. CLOCK APPEARS ON DISPLAY. NOTE: Indicates components with potential above 250 V. MAGNETRON MONITOR TEMP.

  • Page 11: Description And Function Of Components

    R -519CK R -530CK R-530CW 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 CAUTION: BEFORE REPLACING A BLOWN MONITOR control panel, refer to the Figure D-1.

  • Page 12: Troubleshooting Guide

    R - 5 1 9 C K R - 5 3 0 C K R -530 CW 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 13 R -519CK R -530CK R-530CW CK = Check / RE = Replace TEST PROCEDURE A B C D E E F F G H J K L M N RE RE RE RE CK CK CK CK POSSIBLE CAUSE DEFECTIVE PARTS PROBLEM CONDITION Home fuse or circuit breaker blows when...

  • Page 14: Test Procedure

    R - 5 1 9 C K R - 5 3 0 C K R -530 CW TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER MAGNETRON ASSEMBLY TEST 1. Disconnect the power supply cord, and then remove outer case. 2. Open the door and block it open. 3.
  • Page 15 R -519CK R -530CK R-530CW TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER (HIGH VOLTAGES ARE PRESENT AT THE HIGH VOLTAGE TERMINAL, SO DO NOT ATTEMPT TO MEASURE THE FILAMENT AND HIGH VOLTAGE.) HIGH VOLTAGE RECTIFIER TEST 1. Disconnect the power supply cord, and then remove outer case. 2.
  • Page 16 R - 5 1 9 C K R - 5 3 0 C K R -530 CW 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.
  • Page 17 R -519CK R -530CK R-530CW TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER with the door opened (in this condition the plunger of the monitor switch is pushed in), the meter should indicate an open circuit. If improper operation is indicated, the switch may be defective. After testing the monitor switch, reconnect the wire lead to the monitor switch (COM) terminal and check the continuity of the monitor circuit.
  • Page 18 R - 5 1 9 C K R - 5 3 0 C K R -530 CW TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER 3) Discharge high voltage capacitor. 4) Check Key unit ribbon connection before replacement. 5) Reconnect all leads removed from components during testing. 6) Re-install the outer case (cabinet).
  • Page 19 Help Defrost Reheat (COMPU DEFROST) Entrees HELP R-519CK R-530CK/CW RELAY 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. Disconnect the leads to the primary of the power transformer.
  • Page 20 COMPONENT TEST LETTER (2) For R-519CK, close the door, touch the " Steaks / chops " pad once. For R-530CK/CW, close the door, touch the Compu Defrost pad three times and touch the number pad 5. And then touch the Start pad.
  • Page 21 (2) Place the container on the center of tray in the oven cavity. (3) Close the door. (4) For R-519CK, touch REHEAT pad once. Now, the oven is in the sensor cooking condition and “REHEAT” "SENSOR" will appear in the display.
  • Page 22 9-2. Place the container on the center of tray in the oven cavity. 9-3. Close the door. 9-4. For R-519CK, touch REHEAT pad once. For R-530CK/CW, touch Sensor reheat pad and touch the Start pad. 9-5. The control panel is in automatic Sensor operation.

  • Page 23: Touch Control Panel

    Control unit consists of LSI, ACL circuit, indicator circuit, power source circuit, relay circuit, buzzer circuit, 8) Back Light Circuit synchronizing signal circuit, absolute humidity sensor For R-519CK circuit and back light circuit. A circuit to drive the back light (Light emitting diodes LD1- LD4).
  • Page 24 R - 5 1 9 C K R - 5 3 0 C K R -530 CW LSI(IZA966DR) : R-519CK The I/O signal of the LSI(IZA966DR) is detailed in the following table. Pin No. Signal Description AN10 Signal coming from touch key.
  • Page 25 R -519CK R -530CK R-530CW Pin No. Signal Description Oven lamp, fan motor and turntable motor driving signal To turn on and off shut off relay (RY1). The 16.7 msec. H : GND square waveform voltage is delivered to the RY1 driving circuit and RY2 control circuit.
  • Page 26 R - 5 1 9 C K R - 5 3 0 C K R -530 CW Pin No. Signal Description 56-82 Segment data signal. SEG11-SEG37 Signal similar to SEG1. 83-85 Terminal not used. SEG38-SEG40 Terminal not used. Signal similar to AN10. When either G13 line on key matrix is touched, a corresponding signal will be input into P41.
  • Page 27 R -519CK R -530CK R-530CW Pin No. Signal Description Key strobe signal. Signal applied to touch-key section. A pulse signal is input to AN9, AN10, AN11, P41 and P42 terminal while one of G5 line keys on key matrix is touched. Key strobe signal.
  • Page 28 R - 5 1 9 C K R - 5 3 0 C K R -530 CW Pin No. Signal Description Power source voltage: -5.0V. The power source voltage to the LSI is input to VSS terminal. Connected to VC. 37-38 V3-V2 Terminal not used.
  • Page 29 R -519CK R -530CK R-530CW ABSOLUTE HUMIDITY SENSOR CIRCUIT to increase the voltage available at AN1 terminal of the (1) Structure of Absolute Humidity Sensor LSI. The absolute humidity sensor includes two thermistors Then the LSI observes that voltage at AN1 terminal and as shown in the illustration.
  • Page 30 R - 5 1 9 C K R - 5 3 0 C K R -530 CW TOUCH CONTROL PANEL SERVICING 5) Re-connect the power supply cord after the outer 1. Precautions for Handling Electronic Components case is installed. This unit uses CMOS LSI in the integral part of the 6) Run the oven and check all functions.

  • Page 31: 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 32 R - 5 1 9 C K R - 5 3 0 C K R -530 CW CAUTION: 1. DISCONNECT OVEN FROM POWER SUP PLY BEFORE REMOVING OUTER CASE. 2. DISCHARGE THE HIGH VOLTAGE CA- PACITOR BEFORE TOUCHING ANY OVEN COMPONENTS OR WIRING.
  • Page 33 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 of the turntable motor cover.
  • Page 34 R - 5 1 9 C K R - 5 3 0 C K R -530 CW COOLING FAN MOTOR REMOVAL REMOVAL CAUTION: 1. Disconnect the power supply cord and then remove * Do not reuse the removed fan blade because the outer case.
  • Page 35 R -519CK R -530CK R-530CW 3. Secure latch hook (with two (2) mounting screws) to and check continuity of the monitor circuit. Refer to oven flange. chapter "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 36 R - 5 1 9 C K R - 5 3 0 C K R -530 CW 6. Re-install choke cover to door panel by pushing. SEALER FILM Note: After any service to the door; Installation 1. Put the adhesive tape on the backing film of the sealer (A) Make sure that door sensing switch and secondary film as shown in Fig.

  • Page 37: Pictorial Diagram

    R -519CK R -530CK R-530CW...

  • Page 38: Power Unit Circuit

    R - 5 1 9 C K R - 5 3 0 C K R -530 CW R4 27 Q2 2SB1238 D1-D4 R5 4.7k 11ES1 AC120V 60Hz – – 2SB1238 R2 680 1/2w BUZZER TURNTABLE N.O. MOTOR OVEN LAMP R6 3.3k MOTOR TURNTABLE MOTOR...

  • Page 39: Lsi Unit Circuit

    R -519CK R -530CK R-530CW COM2 COM1 COM0 SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG6 SEG10 SEG7 SEG11 SEG8 SEG12 SEG9 SEG13 SEG10 SEG14 SEG11 SEG15 SEG12 SEG16 SEG13 SEG17 SEG14 SEG18 SEG15 SEG19 SEG16 SEG20 SEG17 SEG21 SEG18...
  • Page 40 R - 5 1 9 C K R - 5 3 0 C K R -530 CW SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 TEST SEG20 OSC1 OSC2 AVSS AN11 SEG35 AN10 4.7k C110 4.7k /25v...
  • Page 41 R -519CK R -530CK R-530CW SENSOR DEFROST COOK HELP SEG9 SEG35 SEG8 SEG36 SEG7 SEG37 SEG6 SEG38 SEG5 SEG39 SEG4 COM16 SEG3 COM15 /50v SEG2 COM14 SEG1 C129 COM13 SEG0 COM12 COM7 COM11 COM6 COM10 COM5 COM9 COM4 COM8 COM3 COM2 COM1 COM0...

  • Page 42: Printed Wiring Board

    R - 5 1 9 C K R - 5 3 0 C K R -530 CW (CN - C) CN - C CN - B CN - A (J1) (CN - D) (D10) Figure S-6. Printed Wiring Board of Power Unit...

  • Page 43: Parts List

    Control panel frame with key unit [R-530CK] 3- 2 FPNLCB250MRK0 Control panel frame with key unit [R-530CW] 3- 2 FPNLCB262MRK0 Control panel frame with key unit [R-519CK] 3- 2- 1 FUNTKB199MRE0 Key unit [R-530CK] 3- 2- 1 FUNTKB200MRE0 Key unit [R-530CW]...
  • Page 44 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 45 R -519CK R -530CK R-530CW OVEN AND CABINET PARTS 7-10 7-10 1-10 7-11 1-15 4-11 1-14 6-10 1-11 4-10 1-12 1-13 4-12...
  • Page 46 R - 5 1 9 C K R - 5 3 0 C K R -530 CW CONTROL PANEL PARTS 3-2-1 3-2-1 3-2-2 R-530CK/CW 3-2-2 3-2-3 R-519CK 3-2-3 DOOR PARTS MISCELLANEOUS 5-1-1 5-1-2 Actual wire harness may be different from illustration.

  • Page 47: Packing And Accessories

    R -530CK R-530CW PACKING AND ACCESSORIES TOP PAD ASSEMBLY FPADBB038MRE0 DOOR PROTECTION SHEET SPADP0221MRE0 PLASTIC BAG TRAY HOLDER SSAKHA009WRE0 (R-519CK) SPADFB015MRE0 SSAKHA009WRE0 (R-530CK) SSAKHB005MRE0 (R-530CW) 6-5 TURNTABLE TRAY 6-8 OPERATION MANUAL 6-9 RECIPE CARD 6-4 TURNTABLE SUPPORT BOTTOM PAD ASSEMBLY...
  • Page 48 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, record- ing, or otherwise, without prior written per- mission of the publisher. '99 SHARP CORP. (2S2.530E) Printed in U.S.A...

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