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R-21JV

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 ........................................................................................................................................4

PARTS LIST ..........................................................................................................................................................5

PACKING AND ACCESSORIES ........................................................................................................................... 7

S3908R21HVP//

LIGHT DUTY

COMMERCIAL

MICROWAVE OVEN

MODEL

R-21JV

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-21JV. This model is quite similar to base

model R-21HV. Use this supplemental manual together with the Base Model Service Manual

(Reference No. is S7814R21HTP//) for complete operation, service information, etc..

1000W/ R-21JV

DEF

NO.

CHECK

Summary of content (12 pages)

PAGE 1
R-21JV SUPPLEMENTAL SERVICE MANUAL S3908R21HVP// LIGHT DUTY COMMERCIAL MICROWAVE OVEN 1000W/ R-21JV ON DEF NO. X2 CHECK MODEL COMM ERCIA L MICR O R-21JV WAVE O VEN 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.
PAGE 2
R-21JV PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY (a) Do not operate or allow the oven to be operated with the door open.
PAGE 3
R-21JV 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. (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 When the testing is completed, 1.
PAGE 4
R-21JV SERVICE MANUAL LIGHT DUTY COMMERCIAL MICROWAVE OVEN R-21JV FOREWORD This Manual has been prepared to provide Sharp Electronics Corp. Service Personnel with Operation and Service Information for the SHARP MICROWAVE OVEN, R-21JV. The model R-21JV is quite similar to base model R-21HV (Refer No. is S7814R21HTP//). 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 5
R-21JV SPECIFICATION ITEM Power Requirements Power Output Case Dimensions Cooking Cavity Dimensions (1.0 Cubic Feet ) Control Complement Oven Cavity Light Safety Standard DESCRIPTION 120 Volts 14 Amperes 60 Hertz / Single phase, 3 wire grounded 1000 watts (IEC 705 Test Procedure) Operating frequency of 2450MHz Width 20-1/2" (520mm) Height 12-1/8" (309mm) Depth 16" (406mm) Width 13-7/8" (353mm) Height 8-1/8" (207mm) Depth 14-5/8" (370mm) Touch Control System Timer (0 - 99 min.
PAGE 6
R-21JV NOTE: SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED. 2. . APPEARED. THERMAL THERMAL CUT-OUT CUT-OUT 125˚C (OVEN) 145˚C (MAG.) B1 RY2 MONITOR SWITCH CONTROL UNIT PRIMARY INTERLOCK RELAY RY3 CONTROL RELAY AC120V 60 Hz B2 OL DOOR SENSING SWITCH OVEN LAMP FM FAN MOTOR AM ANTENNA MOTOR SECONDARY INTERLOCK SWITCH Figure O-1 Oven Schematic-OFF Condition 4 CAPACITOR 0.
PAGE 7
R-21JV 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.
PAGE 8
R-21JV REF. NO. PART NO.
PAGE 9
R-21JV REF. NO. 5-16 5-17 5-18 5-19 5-20 PART NO.
PAGE 10
R-21JV 2 1 4 3 6 5 7-3 OVEN AND CABINET PARTS 7-3 2-1 A A 7-3 1-10 1-9 4-28 7-13 7-3 6-6 4-9 B B 4-10 7-13 6-8 4-25 7-6 7-12 4-32 1-4 6-5 1-13 4-26 4-34 7-13 7-1 4-26 6-3 C 4-27 4-24 6-4 1-4 C 4-15 4-14 7-7 4-2 7-7 4-15 4-36 1-1 4-16 7-9 7-10 1-8 4-39 7-11 D D 1-12 4-23 4-18 4-20 4-21 4-24 4-20 4-21 4-22 7-8 7-7 4-21 4-20 1-7 E E 4-33 4-19 7-1 7-4 4-29 6-10 7-2 4-13 7-4 1-11 7-1 4-31 1-15 7-7 4-6 7-1 1-6 4-3 4-8 4-30 F 1-3 4-12
PAGE 11
R-21JV 2 1 4 3 6 5 3-1 CONTROL PANEL PARTS 3-4 A A 3-2 3-4 3-2-3 3-4 B B 3-2-2 3-4 3-3 C C DOOR PARTS 3-2-1 5-15 5-17 5-16 D 5-14 D 5-2 5-12 5-16 5-20 E E 5-4-2 5-16 5-16 5-13 x4 5-4 4-41 5-1 5-4-1 5-4-3 5-16 x2 5-16 5-12 F F 5-8 5-7 5-19 5-9 5-18 5-11 G G 5-3 5-8 5-19 MISCELLANEOUS 5-6 5-5 6-2 6-9 5-10 H H Actual wire harness may be different from illustration.
PAGE 12
R-21JV COPYRIGHT © 1999 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. '99 SHARP CORP. (1S2.530E) Printed in U.S.