Sharp R-21JC Service Manual

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R-21JC
TABLE OF CONTENTS
Page
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO
AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY ...................INSIDE FRONT COVER
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
S3907R21HCP//
LIGHT DUTY
COMMERCIAL
MICROWAVE OVEN
MODEL
R-21JC
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 Capaci-
tor, High Voltage Power Transformer, Magnetron, High Volt-
age Rectifier Assembly, High Voltage Harness etc..)
SHARP CORPORATION
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
SUPPLEMENTAL SERVICE MANUAL
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..
1000W/ R-21JC
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TIME GUIDE FOR ONE SERVING
15 - 30 sec.
Bagel, Roll
Muffin, Pastry
Pie Slice
30 - 60 sec.
Hot Dog
Pizza Slice
Small Sandwich
1 - 2 min.
Beverage, Soup
Large Sandwich
Popcorn, 1.5 oz.
2 - 3 min.
Casserole, Stew
Chili, Chowder
Popcorn, 3.5 oz.
With the door closed,turn the timer to 
the desired time. Oven will begin 
operating immediately.
To shut oven off manually,return timer
to "0".
INSTRUCTIONS
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Summary of Contents

Page 1 - SUPPLEMENTAL SERVICE MANUAL

R-21JCTABLE OF CONTENTSPagePRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TOAVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY ...

Page 2 - BEFORE SERVICING

8R-21JC645123645123ABCDEFGHABCDEFGHCONTROL PANEL PARTSDOOR PARTS3-2-23-33-2-13-2-33-23-13-53-53-4Actual wire harness may be different from illustrati

Page 3 - WARNING TO SERVICE PERSONNEL

9R-21JCPACKING AND ACCESSORIESINSTRUCTION BOOKTOP PAD ASSEMBLY (FPADBA385WRK0)BOTTOM PAD ASSEMBLY (FPADBA386WRK0)WRAP COVER (SSAKHA034WRE0)DOOR PR

Page 4 - SERVICE MANUAL

10R-21JC'99 SHARP CORP. (1S2.530E) Printed in U.S.ACOPYRIGHT © 1999 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publication may be re

Page 5 - SPECIFICATION

R-21JCPRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLEEXPOSURE TO EXCESSIVE MICROWAVEENERGY(a) Do not operate or allow the oven

Page 6 - PARTS LIST

1R-21JCWARNING TO SERVICE PERSONNELMicrowave ovens contain circuitry capable of pro-ducing very high voltage and current, contact withfollowing parts

Page 7

2R-21JCSHARP ELECTRONICS CORPORATIONSHARP PLAZA, MAHWAH,NEW JERSEY 07430-2135SERVICE MANUALLIGHT DUTYCOMMERCIALMICROWAVE OVENR-21JCFOREWORDThis Manual

Page 8

3R-21JCITEM DESCRIPTIONPower Requirements 120 Volts14 Amperes60 Hertz / Single phase, 3 wire groundedPower Output 1000 watts (IEC 705 Test Procedure)O

Page 9 - OVEN AND CABINET PARTS

4R-21JC****∆*PARTS LISTNote: The parts marked “∆” may cause undue microwave exposure.The parts marked “*” are used in voltage more than 250V.REF. NO.

Page 10 - MISCELLANEOUS

5R-21JC∆∆REF. NO. PART NO. DESCRIPTION Q'TY CODE∆∆R71 VRD-B12EF331J Resistor 330 ohm 1/4W 1 AAR72 VRD-B12EF241J Resistor 240 ohm

Page 11 - PACKING AND ACCESSORIES

6R-21JCHOW TO ORDER REPLACEMENT PARTSTo have your order filled promptly and correctly, please furnish the following information.1. MODEL NUMBER 2. REF

Page 12

7R-21JC645123645123ABCDEFGHABCDEFGHOVEN AND CABINET PARTS7-37-37-121-136-41-17-74-154-151-84-197-74-337-47-17-17-41-111-154-34-44-51-31-57-54-357-117-

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