Sharp R-408HS Supplemental Service Manual
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Sharp R-408HS Supplemental Service Manual

Sharp R-408HS Supplemental Service Manual

Sharp r-408hs microwave oven -supplemental service manual
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SUPPLEMENTAL SERVICE MANUAL
R-408HS
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..)
This is a supplemental Service Manual for Microwave Oven model R-408HS. This model is quite similar to base models
R410HK/R-410HW/R-409HK; (S33M206R410HE).
This supplemental manual must be used in conjunction with the base model service manual for complete operation,
service, safety and replacement parts information.
BEFORE SERVICING ..................................................................................................... INSIDE FRONT COVER
WARNING TO SERVICE PERSONNEL .............................................................................................................. 1
MICROWAVE MEASUREMENT PROCEDURE .................................................................................................. 2
FOREWORD AND WARNING ............................................................................................................................. 3
PRODUCT SPECIFICATIONS ............................................................................................................................. 4
GENERAL INFORMATION ................................................................................................................................. 4
TEST PROCEDURE ..............................................................................................................................................6
CPU UNIT CIRCUIT ...............................................................................................................................................7
PARTS LIST ..........................................................................................................................................................8
PACKING AND ACCESSORIES ......................................................................................................................... 12
SHARP ELECTRONCS CORPORATION
Service Headquarters: Sharp Plaza, Mahwah, New Jersey, 07430-2135
MODEL

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This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
MICROWAVE OVEN
R-408HS
R - 408HS
S43M211R408HE
Page

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Summary of Contents for Sharp R-408HS

  • Page 1: Table Of Contents

    (High Voltage Capacitor, High Voltage Power Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage Harness etc..) This is a supplemental Service Manual for Microwave Oven model R-408HS. This model is quite similar to base models R410HK/R-410HW/R-409HK; (S33M206R410HE).

  • 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-408HS 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 - 4 0 8 H S 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: Foreword And Warning

    Corp. Service Personnel with Operation and Service Information for the TEST PROCEDURE SHARP MICROWAVE OVEN, R-408HS. Model R-408HS is quite similar to base models R-410HK/HW & R-409HK (Ref.# S33M206R410HE) WIRING DIAGRAM 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

    R - 4 0 8 H S SPECIFICATION ITEM DESCRIPTION Power Requirements 120 Volts 14.0 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 21-11/16" Height 12-3/8"...

  • Page 7: Oven Diagram

    R-408HS 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: Test Procedure

    R - 4 0 8 H S TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER KEY UNIT 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.

  • Page 9: Cpu Unit Circuit

    R-408HS...

  • Page 10: Parts List

    R - 4 0 8 H S 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.
  • Page 11 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 12 R - 4 0 8 H S OVEN AND CABINET PARTS 1-12 4-10 1-10 1-11 4-11...
  • Page 13 R-408HS Control Panel Parts Items 5-7, 5-8 & 5-9 are not included with assembly 5-1 or 5-6 Door Parts Miscellaneous Actual wire harness may be different from illustration.

  • Page 14: Packing And Accessories

    R - 4 0 8 H S PACKING AND ACCESSORIES TOP PAD ASSEMBLY DOOR PROTECTION SHEET 6-4 TURNTABLE TRAY PLASTIC BAG TRAY HOLDER 6-7 OPERATION MANUAL BOTTOM PAD ASSEMBLY 6-3 TURNTABLE SUPPORT PACKING CASE...
  • Page 15 R-408HS NOTES...
  • Page 16 R - 4 0 8 H S COPYRIGHT © 2003 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be repro- duced, stored in retrieval systems, or trans- mitted in any form or by any means, elec-...

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