Sharp R-610DK Service Manual
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Sharp R-610DK Service Manual

Sharp R-610DK Service Manual

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Popcorn
Baked
Fresh
Dinner
Potatoes
Rolls &
Vegetable
Frozen
Compu
Plate
Muffins
Entree
Derfost
Instant Action
1
2
Ground
NO.
Chicken
Frozen
LBS.
Meat
Breast
Casserole Beverage
Microwav e
CUPS
Vegetable
Kitchen
COOK DEFROST
KG OZ
Pizza
Timer/Clo ck
6
7
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 ........................................................................................................................................ 29
POWER UNIT CIRCUIT ...................................................................................................................................... 30
CPU UNIT CIRCUIT ............................................................................................................................................ 31
PRINTED WIRING BOARD ................................................................................................................................. 32
PARTS LIST ........................................................................................................................................................ 33
PACKING AND ACCESSORIES ......................................................................................................................... 35
SHARP CORPORATION
SERVICE MANUAL
3
4
5
Power
Minute
Level
PLus
8
9
0
STOP
Clear
START
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

MICROWAVE OVEN
R-610DK
MODELS
R-610DW
R-610DS
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
R - 610DK
R -610 DW
R -6 10 DS
S6014R610DPW/
Page

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Summary of Contents for Sharp R-610DK

  • Page 1: Table Of Contents

    R - 610DK R -610 DW R -6 10 DS SERVICE MANUAL S6014R610DPW/ MICROWAVE OVEN R-610DK MODELS R-610DW Popcorn Baked Fresh Dinner Potatoes Rolls & Vegetable Frozen Compu Plate Muffins Entree Derfost Instant Action Ground Chicken Frozen LBS. Power Minute...

  • 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 -610DK R-610DW R -610 DS 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- 610DK R-610DW R -6 10 DS 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 at any point 5cm or more from the external surface of the oven.
  • Page 5 MICROWAVE OVEN R-610DK/ R-610DW/ R-610DS 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-610DK, R-610DW, R-610DS. 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: General Information

    R- 610DK R-610DW R -6 10 DS SPECIFICATION ITEM DESCRIPTION Power Requirements 120 Volts / 14 Amperes 60 Hertz Single phase, 3 wire grounded Power Output 1100 watts (IEC TEST PROCEDURE) Operating frequency of 2450MHz Case Dimensions Width 19-1/2" Height 14" Depth 20-5/8"...

  • Page 7: Oven Diagram

    R -610DK R-610DW R -610 DS contact a qualified electrician and have it replaced with a properly Grounded 3-Pronged Plug grounded three-pronged wall receptacle or have a grounding adapter Receptacle Box properly grounded and polarized. If the extension cord must be used, it should be a 3-wire, 15 amp.

  • Page 8: Operation

    R- 610DK R-610DW R -6 10 DS OPERATION DESCRIPTION OF OPERATING SEQUENCE The following is a description of component functions during relay and is mechanically associated with the door so oven operation. that it will function in the following sequence. (1) When the door opens from the closed position, the OFF CONDITION primary interlock relay (RY2) and secondary interlock...
  • Page 9 R -610DK R-610DW R -610 DS SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED 2. CLOCK APPEARS ON DISPLAY THERMAL MONITOR THERMAL CUT-OUT (OVEN) FUSE 20A CUT-OUT (MG.) N.O. POWER N.O. TRANSFORMER (RY-2) (RY-1) PRIMARY INTERLOCK RELAY CONTROL UNIT COM. COM.
  • Page 10 R- 610DK R-610DW R -6 10 DS DESCRIPTION AND FUNCTION OF COMPONENTS DOOR OPEN MECHANISM CAUTION: BEFORE REPLACING A BLOWN MONITOR FUSE TEST THE DOOR SENSING SWITCH, The door is opened by pulling the door. Refer to the Figure PRIMARY INTERLOCK RELAY (RY2), RELAY D-1.

  • Page 11: Troubleshooting Guide

    R -610DK R-610DW R -610 DS 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- 610DK R-610DW R -6 10 DS CK = Check / RE = Replace RE RE A B C D 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 when power cord is plugged into wall receptacle...
  • Page 13 R -610DK R-610DW R -610 DS TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER 4. To test for an open filament, isolate the magnetron from the high voltage circuit. A continuity check across the magnetron filament leads should indicate less than 1 ohm. 5.
  • Page 14 R- 610DK R-610DW R -6 10 DS 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 the high voltage capacitor. 4.
  • Page 15 R -610DK R-610DW R -610 DS TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER CAUTION: IF THE THERMAL CUT-OUT INDICATES AN OPEN CIRCUIT AT ROOM TEMPERATURE, REPLACE THERMAL CUT-OUT. SECONDARY INTERLOCK SWITCH TEST 1. Disconnect the power supply cord, and then remove outer case. 2.
  • Page 16 R- 610DK R-610DW R -6 10 DS 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 -610DK R-610DW R -610 DS TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER 2-1 In connection with pads. a) When touching the pads, a certain group of pads do not produce a signal. b) When touching the pads, no pads produce a signal. 2-2 In connection with indicators a) At a certain digit, all or some segments do not light up.
  • Page 18 R- 610DK R-610DW R -6 10 DS TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER RELAY TEST 1. Disconnect the power supply cord, and then remove outer case. 2. Open the door and block it open. 3. To discharge the high voltage capacitor, wait for 60 seconds. 4.
  • Page 19 R -610DK R-610DW R -610 DS TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER STEPS OCCURRENCE CAUSE OR CORRECTION Only pattern at "a" is broken. *Insert jumper wire J1 and solder. Pattern at "a" and "b" are broken. *Insert the coil RCILF2003YAZZ between "c" and "d". 5) Make a visual inspection of the varistor.

  • Page 20: Touch Control Panel

    R- 610DK R-610DW R -6 10 DS TOUCH CONTROL PANEL ASSEMBLY OUTLINE OF TOUCH CONTROL PANEL The control unit section consists of the following units. 3) Power Source Circuit This circuit generates voltages necessary in the control (1) Key Unit unit from the AC line voltage.
  • Page 21 R -610DK R-610DW R -610 DS 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 R- 610DK R-610DW R -6 10 DS Pin No. Signal Description Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P41, P43, P44 and P45 terminal while one of G8 line keys on key matrix is touched. Key strobe signal.
  • Page 23 R -610DK R-610DW R -610 DS TOUCH CONTROL PANEL SERVICING 1. Precautions for Handling Electronic Components A. On some models, the power supply cord between the touch control panel and the oven itself is so short that the This unit uses CMOS LSI in the integral part of the two can’t be separated.

  • Page 24: Component Replacement And Adjustment Procedure

    WARNING FOR WIRING To prevent an electric shock, take the following pre- and Oven cavity. cautions. 3) Sharp edge: 1. Before wiring, Base plate, Oven cavity, Waveguide flange, Angles, 1) Disconnect the power supply cord. Guides and other metallic plates.

  • Page 25: Pictorial Diagram

    R -610DK R-610DW R -610 DS 6. Lift entire outer case from the unit. COMPONENTS OR WIRING. CAUTION: 1. DISCONNECT OVEN FROM POWER SUP NOTE: When replacing the outer case, the 2 special PLY BEFORE REMOVING OUTER CASE. Torx screws must be reinstalled in the same 2.
  • Page 26 R- 610DK R-610DW R -6 10 DS 3. Discharge the high voltage capacitor. 9. Disconnect rectifier terminal from the capacitor. 4. Disconnect the high voltage wire B from the power High voltage rectifier assembly is now free. transformer. 10.Disconnect the high voltage wire B from the high voltage 5.
  • Page 27 5. Disconnect wire leads from turntable motor. CAUTION: NO SHARP EDGES MUST BE EVIDENT AF- (See "Positive lock connector removal") TER REMOVAL OF THE TURNTABLE MO- 6. Remove two (2) screws holding turntable motor to oven TOR COVER.
  • Page 28 R- 610DK R-610DW R -6 10 DS DOOR SENSING SWITCH/SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH ADJUSTMENT 1. Disconnect the power supply cord, and then remove the latched position. First check upper position of latch hook, pushing and pulling upper portion of door toward outer case.

  • Page 29: Power Unit Circuit

    R -610DK R-610DW R -610 DS Note: The door on a microwave oven is designed to act as 8-pin wire harness an electronic seal preventing the leakage of microwave energy from oven cavity during cook cycle. This function does not require that door be air-tight, Power unit Door 8-pin wire harness...
  • Page 30 R- 610DK R-610DW R -6 10 DS PWB Cover Tabs Tabs Door screen wire harness Tabs Tabs Tabs Figure C-10. Routing of wire harness NOTE: For key sheet 1. Before attaching a new key sheet, wipe off remaining adhesive on the door screen surfaces completely with a soft cloth soaked in alcohol.
  • Page 31 R -610DK R-610DW R -610 DS...
  • Page 32 R- 610DK R-610DW R -6 10 DS CN-C CN-A 8PIN LEAD WIRE S1NB10 HARNESS – BUZZER OVEN LAMP TURNTABLE MOTOR FAN MOTOR MICRO OVEN LAMP TURNTABLE MOTOR FAN MOTOR MICRO DOOR N.C. SENSING DOOR SWITCH SENSING SWITCH...
  • Page 33 R -610DK R-610DW R -610 DS COM2 COM1 COM1 COM2 COM0 COM3 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG7 SEG4 SEG6 SEG3 SEG5 SEG2 SEG4 SEG1 SEG3 SEG2 SEG1 SEG0 VREF...

  • Page 34: Printed Wiring Board

    R- 610DK R-610DW R -6 10 DS CN - H (D7) Figure S-4. Printed Wiring Board of Power Unit...

  • Page 35: Parts List

    CABINET PARTS 2- 1 FDAI-A215WRYZ Base plate 2- 2 GLEGPA074WRE0 Foot 2- 3 GLEGPA081WRFZ 2- 4 GCABUA773WRPZ Outer case cabinet [R-610DK] 2- 4 GCABUA775WRPZ Outer case cabinet [R-610DW] 2- 4 GCABUA777WRPZ Outer case cabinet [R-610DS] 2- 5 GLEGPA080WRFZ Front leg [R-610DK]...
  • Page 36 7-12 XHTSD40P12RV0 Screw : 4mm x 12mm 7-13 XOTSD40P12RV0 Screw : 4mm x 12mm 7-14 XOTSF40P08000 Screw : 4mm x 8mm [R-610DK] 7-14 XOTSE40P08000 Screw : 4mm x 8mm [R-610DW] 7-14 XOTSE40P08000 Screw : 4mm x 8mm [R-610DS] 7-15 LX-CZA079WREZ...

  • Page 37: Packing And Accessories

    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. PACKING AND ACCESSORIES TOP PAD ASSEMBLY...
  • Page 38 R -610DK R-6 10DW R -6 1 0 DS 7-13 OVEN AND CABINET PARTS 7-18 4-23 4-26 7-14 4-17 1-13 7-12 4-12 4-24 7-14 4-28 4-18 4-27 7-15 7-11 4-11 4-19 4-14 7-11 7-11 7-15 4-15 1-10 7-10 4-16 1-11 4-10 7-17 4-20...
  • Page 39 R - 610DK R -610DW R - 6 10 DS 5-13 5-13 DOOR PARTS 5-20 5-10 5-11 5-12 5-14 5-17 4-13 5-13 5-11 5-12 5-12 5-12 5-21 5-12 5-19 5-21 5-18 5-15 5-16 5-3-1 MISCELLANEOUS Actual wire harness may be different from illustration. (CAPACITOR) 6-11 6-12...
  • 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, record- ing, or otherwise, without prior written per- mission of the publisher. 2000 SHARP CORP. (6S2.530E) Printed in U.S.A...

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