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Sharp R-21JC Service Manual
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Sharp R-21JC Service Manual

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See also: Operating Manual
SUPPLEMENTAL SERVICE MANUAL
1000W / R-21J C
This is a supplemental Service Manual for Model R-21JC. This model is quite similar to base
model R-21HC. Use this supplemental manual together with the Base Model Service Manual
(Reference No. is S7813R21HCP//) for complete operation, service information, etc..
BEFORE SERVICING ...................................................................................................... INSIDE FRONT COVER
WARNING TO SERVICE PERSONNEL ................................................................................................................ 1
FOREWORD AND WARNING ............................................................................................................................... 2
PRODUCT SPECIFICATIONS .............................................................................................................................. 3
SCHEMATIC DIAGRAM ........................................................................................................................................ 3
PARTS LIST .......................................................................................................................................................... 4
PACKING AND ACCESSORIES ........................................................................................................................... 9
SHARP CORPORATION
TIME GUIDE FOR ONE
SERVI NG
15 - 30 sec.
30 - 60 sec.
Bagel, Roll
Hot Dog
Muffin, Pastry
Pizza Slice
Pie Slice
Small Sandwic h
1 - 2 min.
2 - 3 min.
Beverag e, Soup
Cassero le, Stew
Large Sandwic h
Chili, Chowde r
Popcorn , 1.5 oz.
Popcorn , 3.5 oz.
1
40 50
1.5
30
E
F
D
G
C
H
20
I
B
2
10
J
A
0
K
2.5
L
M
N
3
T
O
S
P
6
R
Q
4
5
INST RUC TION
S
With the door
In the interest of user-safety the oven should be restored to its original
close d,turn the
the desir ed
timer to
time. Oven
will begin
opera ting imme
diate ly.
To shut oven
off manu ally,re
turn timer
to "0".
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 Capaci-
tor, High Voltage Power Transformer, Magnetron, High Volt-
age Rectifier Assembly, High Voltage Harness etc..)

TABLE OF CONTENTS

LIGHT DUTY
COMMERCIAL
MICROWAVE OVEN
R-21JC
MODEL
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
R-21JC
S3907R21HCP//
Page

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Summary of Contents for Sharp R-21JC

  • Page 1: Table Of Contents

    High Voltage Power Transformer, Magnetron, High Volt- age Rectifier Assembly, High Voltage Harness etc..) This is a supplemental Service Manual for Model R-21JC. This model is quite similar to base model R-21HC. Use this supplemental manual together with the Base Model Service Manual (Reference No.

  • 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 The Food and Drug Administration's Center for Devices and Radiological Health immediately.

  • Page 3: Warning To Service Personnel

    R-21JC 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: Foreword And Warning

    MICROWAVE OVEN R-21JC FOREWORD This Manual has been prepared to provide Sharp Electronics Corp. Service Personnel with Operation and Service Information for the SHARP MICROWAVE OVEN, R-21JC. The model R-21JC is quite similar to base model R-21HC (Refer No. is S7813R21HCP//).

  • Page 5: Product Specifications

    R-21JC SPECIFICATION ITEM DESCRIPTION Power Requirements 120 Volts 14 Amperes 60 Hertz / Single phase, 3 wire grounded Power Output 1000 watts (IEC 705 Test Procedure) Operating frequency of 2450MHz Case Dimensions Width 20-1/2" (520mm) Height 12-1/8" (309mm) Depth 16"...

  • Page 6: Parts List

    R-21JC PARTS LIST ∆ Note: The parts marked “ ” may cause undue microwave exposure. The parts marked “*” are used in voltage more than 250V. REF. NO. PART NO. DESCRIPTION Q'TY CODE ELECTRIC PARTS 1- 1 FFS-BA015WRK0 Monitor fuse and monitor switch assembly...
  • Page 7 R-21JC REF. NO. PART NO. DESCRIPTION Q'TY CODE VRD-B12EF331J Resistor 330 ohm 1/4W VRD-B12EF241J Resistor 240 ohm 1/4W VRD-B12EF151J Resistor 150 ohm 1/4W VRD-B12EF101J Resistor 100 ohm 1/4W RRLY-A110DRE0 Relay (OMIF-S-124LM) RRLY-A098DRE0 Relay (DU24D1-1P(M)) RALM-A014DRE0 Buzzer (PKM22EPT) RVR-BA018WRE0 Rotary encoder...
  • Page 8 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 9 R-21JC OVEN AND CABINET PARTS 1-10 4-28 7-13 4-10 7-13 7-13 4-25 7-12 4-32 1-13 4-26 4-34 4-26 4-24 4-27 4-15 4-14 4-15 4-36 4-16 7-10 4-39 7-11 1-12 4-23 4-18 4-24 4-21 4-20 4-21 4-21 4-22 4-20 4-13 4-33...
  • Page 10 R-21JC CONTROL PANEL PARTS 3-2-1 3-2-2 3-2-3 DOOR PARTS 5-15 5-17 5-16 5-14 5-12 5-16 5-20 5-16 5-4-2 5-16 5-13 4-41 5-4-1 5-4-3 5-16 5-16 5-12 5-19 5-18 5-11 5-19 MISCELLANEOUS 5-10 Actual wire harness may be different from illustration.

  • Page 11: Packing And Accessories

    R-21JC PACKING AND ACCESSORIES TOP PAD ASSEMBLY (FPADBA385WRK0) WRAP COVER (SSAKHA034WRE0) TRAY HOLDER DOOR PROTECTION SHEET (SPADFA435WRE0) (SPADPA204WRE0) INSTRUCTION BOOK BOTTOM PAD ASSEMBLY (FPADBA386WRK0) PACKING CASE Not Replaceable Items. SPAKCD238WRE0...
  • Page 12 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. (1S2.530E) Printed in U.S.A...