Sharp R-1520LK Supplemental Service Manual

Over the range microwave oven

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SUPPLEMENTAL SERVICE MANUAL
This is a supplemental Service Manual for Models R-1520LK, R-1520LW and R-1520LQ . These models are quite similar to Base
Model R-1500 (S/M# S8123R1500X//) and similar features as R-1510/1511 (S2205R1510//).
In the interest of user-safety the oven should be restored to its original condition and only parts identical to those specifi ed
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 Rectifi er Assembly, High Voltage Harness etc..)
BEFORE SERVICING ....................................................................................................... INSIDE FRONT COVER
WARNING TO SERVICE PERSONNEL . ................................................................................................................ 3
MICROWAVE MEASUREMENT PROCEDURE . .................................................................................................... 4
FOREWORD AND WARNING ............................................................................................................................... 5
PRODUCT SPECIFICATIONS ............................................................................................................................... 6
GENERAL INFORMATION.................................................................................................................................... 6
KEY UNIT . .............................................................................................................................................................. 7
OVEN SCHEMATIC . ............................................................................................................................................... 8
PICTORIAL DIAGRAM ........................................................................................................................................... 9
PARTS LIST ........................................................................................................................................................ 10
PACKING AND ACCESSORIES .......................................................................................................................... 14
SHARP ELECTRONICS CORPORATION
Service Headquarters: Sharp Plaza, Mahwah, New Jersey, 07430-2135
MODELS
LIGHT HI/LO
FAN HI/LO
STOP
CLEAR
START
MINUTE PLUS

TABLE OF CONTENTS

OVER THE RANGE
MICROWAVE OVEN
R-1520LK
R-1520LW
R-1520LQ
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
S36M259R1520L
Page

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Table of Contents
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Summary of Contents for Sharp R-1520LK

  • Page 1: Table Of Contents

    AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY ..... INSIDE FRONT COVER BEFORE SERVICING ....................... INSIDE FRONT COVER WARNING TO SERVICE PERSONNEL ......................... 3 MICROWAVE MEASUREMENT PROCEDURE ..................... 4 FOREWORD AND WARNING ..........................5 PRODUCT SPECIFICATIONS ..........................6 GENERAL INFORMATION............................ 6 KEY UNIT ................................7 OVEN SCHEMATIC ..............................8 PICTORIAL DIAGRAM ............................9 PARTS LIST ................................ 10 PACKING AND ACCESSORIES .......................... 14 SHARP ELECTRONICS CORPORATION This document has been published to be used for after sales service only. 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

    (e) A microwave leakage check to verify compliance with the Federal Performance Standard should be performed on each oven prior to release to the owner. BEFORE SERVICING 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. Service personnel should inform SHARP ELECTRONICS CORPORATION of any certified unit found with emissions in excess of 4mW/cm . The owner of the unit should be instructed not to use the unit until the oven has been brought into compliance.
  • Page 3: Warning To Service Personnel

    R-1520LK R-1520LW R-1520LQ 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 Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage Harness etc.. Read the Service Manual carefully and follow all instructions. Don't Touch ! Danger High Voltage Before Servicing When the testing is completed, 1. Disconnect the power supply cord, and then remove...
  • Page 4: Microwave Measurement Procedure

    R-1520LK R-1520LW R-1520LQ 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. 2) Safety interlock switches: Primary interlock switch shall prevent microwave radiation emission in excess of the requirement as above mentioned, secondary interlock relay and door sensing switch shall prevent microwave radiation emission in excess of 5 mW/cm at any point 5cm or more from the external surface of the oven. B. Preparation for testing: Before beginning the actual measurement of leakage, proceed as follows: 1) Make sure that the actual instrument is operating normally as specified in its instruction booklet.
  • Page 5: Foreword And Warning

    FOREWORD WIRING DIAGRAM This Manual has been prepared to provide Sharp Electronics Corp. Service Personnel with Operation and Service Information for the SHARP MICROWAVE OVENS, R-1520LK, R-1520LW & R-1520LQ. The models R-1520LK, R-1520LW & R-1520LQ are quite similar to PARTS LIST base model R-1500(Ref.# S8123R1500X//) It is recommended that service personnel carefully study the entire text of this manual and the base model's manual so that they will be qualified to render satisfactory customer service.
  • Page 6: Product Specifications

    R-1520LK R-1520LW R-1520LQ PRODUCT SPECIFICATION ITEM DESCRIPTION Power Requirements 120 Volts / 14 Amperes 60 Hertz Single phase, 3 wire grounded Power Output 1000 watts (IEC TEST PROCEDURE) Operating frequency of 2450MHz Case Dimensions Width 29-15/16" Height 16-1/4" Depth 15- 9/16" Cooking Cavity Dimensions Width 17-11/16" Height 9-7/8" 1.5 Cubic Feet Depth 14-15/16" Hood lamp 2 bulbs, 20W x 2, Incandescent light bulbs Hood fan Approx. 300 C.F.M. (High/Low) Control Complement Touch Control System Clock ( 1:00 - 12:59 ) Timer (0 - 99 min. 99 seconds) Microwave Power for Variable Cooking Repetition Rate; P-HI ..........Full power throughout the cooking time P-90 .
  • Page 7 R-1520LK R-1520LW R-1520LQ LIGHT HI/LO FAN HI/LO STOP CLEAR START MINUTE PLUS NOTE: Some one-touch cooking features such as "Add a Minute" are disabled after three minutes when the oven is not used. These features are automatically enabled when the door is opened and closed or OFF/CLEAR button is pressed.
  • Page 8: Oven Schematic

    R-1520LK R-1520LW R-1520LQ SCHEMATIC NOTE: " " indicates components with potential above 250V. NOTE: CONDITION OF OVEN 1. DOOR CLOSED. 2. CLOCK APPEARS ON DISPLAY. CAVITY MAGNETRON THERMAL TEMPERATURE CUTOUT FUSE 120VAC 60Hz CONTROL UNIT N.O. COM. POWER DOOR TRANSFORMER SENSING SWITCH HOOD FAN THERMAL High CUT OUT (RY2) OVEN LAMP AH SENSOR MAGNETRON SECONDARY...
  • Page 9: Pictorial Diagram

    R-1520LK R-1520LW R-1520LQ NOISE FILTER BOARD...
  • Page 10: Key Unit

    Oven lamp 1-17 FDTCTA201WRK0 AH sensor CABINET PARTS 2- 1 LSTY-B026MRP0 Rear stay 2- 2 PDIF-B058MRF0 Hood exhaust louver (R-1520LK) 2- 2 PDIF-B059MRF0 Hood exhaust louver (R-1520LW) 2- 2 PDIF-B060MRF0 Hood exhaust louver (R-1520LQ) 2- 3 GDAI-B065MRP0A M Base plate R...
  • Page 11: Installation Instructions

    R-1520LK R-1520LW R-1520LQ REF. NO. PART NO. § DESCRIPTION Q'TY CODE 4- 5 PDUC-B111MRF0 Magnetron duct 4- 6 MLEVPB016MRF0 Open lever 4- 7 ************* Oven cavity (Not replaceable part) 4- 8 PPACGB014MRF0 Turntable motor packing 4- 9 PHOK-B018MRF0 Latch hook...
  • Page 12 R-1520LK R-1520LW R-1520LQ OVEN AND CABINET PARTS 6-1-5 6-12 4-10 6-15 1-17 4-12 1-12 4-19 1-14 4-24 4-23 4-17 4-16 1-11 4-18 4-13 4-17 6-13 6-14 6-10 4-16 1-15 4-20 4-13 4-15 4-11 4-25 1-16 1-13 1-10 4-21 1-11 4-14...
  • Page 13 R-1520LK R-1520LW R-1520LQ CONTROL PANEL PARTS DOOR PARTS 3-10 5-10 MISCELLANEOUS 6-1-1 6-1-4 6-1-5 6-1-2 6-1-6 6-1-3...
  • Page 14: Packing And Accessories

    R-1520LK R-1520LW R-1520LQ HOW TO ORDER REPLACEMENT PARTS 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. PACKING AND ACCESSORIES 6-16 SCALE PLATE (x 2) 4-3 TURNTABLE TRAY 6-11 GREASE FILTER (x 2) TOP PAD 6-2 TOP / WALL TEMPLATE OPERATION MANUAL...
  • Page 15 R-1520LK R-1520LW R-1520LQ NOTES...
  • Page 16 R-1520LK R-1520LW R-1520LQ COPYRIGHT © 2006 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in retrieval systems, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher. 2006 SHARP CORP. (2M2.20E) Printed in U.S.A...

This manual is also suitable for:

R-1520lwR-1520lq

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