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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

C O M M E R C

I A L M I C R O

W A V E O V E N

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

0

10

20

30

40 50

1

1.5

2

2.5

3

4

5

6

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

Summary of Contents for R-21JC

Page 1: ...r 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...

Page 2: ...nd transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner 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...

Page 3: ...citor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that the leads remain isolated from other components and oven chassis by using insulation tape 6 After that procedure reconnect the power supply cord When the testing is completed 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 Reconnect...

Page 4: ...ate the oven until the following points are ensured A The door is tightly closed B The door brackets and hinges are not defective C The door packing is not damaged D The door is not deformed or warped E There is no other visible damage with the oven Servicing and repair work must be carried out only by trained service personnel DANGER Certaininitialpartsareintentionallynotgroundedandpresentariskof...

Page 5: ... Oven Cavity Light Yes Safety Standard UL Listed FCC Authorized DHHS Rules CFR Title 21 Chapter 1 Subchapter J NSF Certified SPECIFICATION SCHEMATIC NOTE CONDITION OF OVEN 1 LIGHT UP DIAL OFF 2 DOOR CLOSED Figure O 1 Oven Schematic OFF Condition OL FM AM OVEN LAMP FAN MOTOR ANTENNA MOTOR AC120V 60 Hz MONITOR FUSE 20A POWER TRANSFORMER CAPACITOR 0 94 µF 2400V DOOR SENSING SWITCH SECONDARY INTERLOCK...

Page 6: ...7DRE0 Capacitor 0 1 uF 50V 1 AA C7 VCKYD11CY103N Capacitor 0 01 uF 16V 1 AA C20 VCEAB31HW104M Capacitor 0 1 uF 50V 1 AM C21 VCEAB31VW106M Capacitor 10 uF 35V 1 AA C30 VCKYD11CY103N Capacitor 0 01 uF 16V 1 AA C60 61 VCKYD11CY103N Capacitor 0 01 uF 16V 2 AA CF1 RCRS A012DRE0 Ceramic resonator CST4 00MGW 1 AD D1 4 VHD1N4005E61B Diode 1N4005E 4 AE D20 22 VHD1SS270A 1 Diode 1SS270A 3 AA D30 VHD1SS270A ...

Page 7: ...r 1 AQ 4 12 NFANJA029WRE0 Fan blade 1 AK 4 13 PDUC A697WRF0 Fan duct 1 AM 4 14 FPLT A007WRY0 Stirrer antenna assembly 1 BB 4 15 PCUSGA504WRP0 Insertion cushion 2 AB 4 16 PSKR A348WRW0 Insertion plate A 1 AN 4 17 GCOVHA404WRE0 VCP cap 2 AG 4 18 LANGFA187WRP0 Chassis support 1 AL 4 19 NSFTPA033WRF0 Antenna motor shaft 1 AK 4 20 PCLICA032WRE0 Hand clip 4 5 AD 4 21 PCLICA033WRE0 Hand clip 5 4 AD 4 22 ...

Page 8: ...w 4mm x 25mm 2 AB 5 20 PCUSUA508WRP0 Cushion 1 AC MISCELLANEOUS 6 1 TINSEA802WRR0 Instruction book 1 AF 6 2 FW VZB684WRE0 Main wire harness 1 BB 6 3 TCAUAA166WRR0 DHHS caution label 1 AB 6 4 TCAUAA241WRR0 Monitor caution 1 AE 6 5 TCAUAA243WRR0 Earth caution 1 AC 6 6 TCAUAA245WRR0 Cover caution 1 AC 6 7 TMAPCA759WRR0 Schematic diagram 1 AE 6 8 LHLDWA013WRE0 Purse lock LL 1 AC 6 9 TCAUAA249WRR0 Caut...

Page 9: ... 1 5 7 5 4 35 7 11 7 11 2 5 4 7 1 1 4 6 4 6 7 7 4 30 4 24 4 24 2 4 4 10 6 7 2 1 4 14 4 20 7 1 4 8 2 3 7 8 7 11 4 11 1 14 1 2 4 29 4 20 4 22 4 34 7 3 4 25 7 3 7 1 1 4 6 3 6 6 1 12 1 4 4 24 4 36 7 7 7 9 7 8 7 2 1 7 7 1 1 6 2 4 4 17 4 38 2 2 4 13 4 12 4 31 7 11 7 10 4 26 4 26 4 2 4 23 4 21 4 21 4 21 4 1 7 6 7 13 7 13 7 13 4 9 4 32 4 18 4 16 1 10 1 9 4 28 6 5 x2 4 39 6 9 4 27 4 20 4 40 4 37 ...

Page 10: ...OOR PARTS 3 2 2 3 3 3 2 1 3 2 3 3 2 3 1 3 5 3 5 3 4 Actual wire harness may be different from illustration 5 5 5 10 5 6 5 17 5 4 2 5 16 5 16 5 16 6 2 5 15 5 7 5 8 5 8 5 9 5 13 5 19 5 19 5 11 4 41 5 3 5 16 5 4 1 5 1 5 4 3 5 12 5 12 5 14 5 20 5 4 5 18 5 2 5 16 5 16 x4 x2 6 8 MISCELLANEOUS ...

Page 11: ...RUCTION BOOK TOP PAD ASSEMBLY FPADBA385WRK0 BOTTOM PAD ASSEMBLY FPADBA386WRK0 WRAP COVER SSAKHA034WRE0 DOOR PROTECTION SHEET SPADPA204WRE0 PACKING CASE SPAKCD238WRE0 Not Replaceable Items TRAY HOLDER SPADFA435WRE0 Into the Oven Cavity 6 1 ...

Page 12: ... 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 tronic mechanical photocopying record ing or otherwise without prior written per mission of the publisher ...

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