Service manual

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R-216FS

MICROWAVE OVEN

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 following parts may result in a severe,

possibly fatal, electrical shock. (High Voltage Capacitor, High

Voltage Power Transformer, Magnetron, High Voltage Recti-

fier Assembly, High Voltage Harness etc..)

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

MICROWAVE MEASUREMENT PROCEDURE ................................................................................................... 2

FOREWORD AND WARNING............................................................................................................................... 3

PRODUCT SPECIFICATIONS .............................................................................................................................. 4

OVEN DIAGRAM ................................................................................................................................................... 5

OVEN SCHEMATIC...............................................................................................................................................6

COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE .................................................................. 7

PARTS LIST ........................................................................................................................................................ 10

PACKING AND ACCESSORIES ......................................................................................................................... 11

S9214R216FPST

R-216FS

MODEL

SUPPLEMENTAL SERVICE MANUAL

SHARP CORPORATION

This document has been published to be used for after

sales service only.

The contents are subject to change without notice.

This is a supplemental Service Manual for Model R-216FS. This model is quite similar to base

model R-214FW. Use this supplemental manual together with the Base Model Service Manual

(Refer No. is S3208R220FPW/) for complete operation, service information, etc..

Summary of content (16 pages)

PAGE 1
R-216FS SUPPLEMENTAL SERVICE MANUAL S9214R216FPST MICROWAVE OVEN MODEL R-216FS 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.
PAGE 2
R-216FS 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-216FS 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-216FS 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/cm2 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/cm2 at any point 5cm or more from the external surface of the oven.
PAGE 5
R-216FS SERVICE MANUAL MICROWAVE OVEN R-216FS FOREWORD This Manual has been prepared to provide Sharp Electronics Corp. Service Personnel with Operation and Service Information for the SHARP MICROWAVE OVENS, R-216FS. The model R-216FS is quite similar to base model R-214FW (Refer No. is S3208R220FPW/). 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 6
R-216FS PRODUCT DESCRIPTION SPECIFICATIONS ITEM DESCRIPTION Power Requirements 120 Volts 60 Hertz Single phase, 3 wire grounded Power Consumption 1200W / Approx. 10.3 Amperes Power Output 800 W nominal of RF microwave energy (IEC Test procedure) Operating frequency 2450 MHz Case Dimensions Width 18-1/8" Height 10-7/8" Depth 14" Cooking Cavity Dimensions (0.
PAGE 7
R-216FS OVEN DIAGRAM 5 1 Door open button Push to open door. 2 Oven door with see-through window 3 Safety door latches The oven will not operate unless the door is securely closed. 4 Door hinges 5 Door seals and sealing surfaces 6 Turntable motor shaft 7 Removable turntable support Carefully place the turntable support in the center of the oven floor. 8 Removable turntable Place the turntable securely on the turntable support. The turntable will rotate clockwise or counterclockwise.
PAGE 8
R-216FS SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED 2. CLOCK APPEARS ON DISPLAY C/T FUSE NOTE: " TEMPERATURE FUSE (OVEN) N.O. POWER TRANSFORMER COM. (RY-2) (RY-1) A3 " indicates components with potentials above 250V. PRIMARY INTERLOCK RELAY CAPACITOR 0.82µF AC2100V CONTROL UNIT A1 B2 B1 GRN 120V AC 60 Hz DOOR SENSING SWITCH TTM OL OVEN LAMP TURNTABLE MOTOR MONITOR SWITCH FM RECTIFIER MAGNETRON FAN MOTOR SECONDARY INTERLOCK SWITCH Figure O-1.
PAGE 9
R-216FS COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE WARNING AGAINST HIGH VOLTAGE: Microwave ovens contain circuitry capable of producing very high voltage and current, contact with following parts may result in severe, possibly fatal, electric shock. (Example) High Voltage Capacitor, Power Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage Harness etc.. WARNING: Avoid possible exposure to microwave energy. Please follow the instructions below before operating the oven. 1.
PAGE 10
R-216FS GRAPHIC SHEET AND MEMBRANE SWITCH REPLACEMENT Removal 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. Remove the control panel assembly, referring to chapter of CONTROL PANEL ASSEMBLY REMOVAL. 5. Remove the three (3) screws holding the control unit to the control panel frame. And remove the control unit. 6. Remove the rubber connector from the long slit on the control panel frame. 7.
PAGE 11
R-216FS 9. Release door panel from ten (10) tabs of door frame and remove door frame by sliding the door panel downward. 10.Now, door panel with sealer film is free. 11.Tear sealer film from door panel. 12.Now, door panel is free. 13.Slide latch head upward and remove it from door frame with releasing latch spring from door frame and latch head. 14.Now, latch head and latch spring are free. 15.Remove door screen from door frame. 16.Now, door screen is free. 17.
PAGE 12
R-216FS 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 13
R-216FS REF. NO. PART NO.
PAGE 14
R-216FS 2 1 4 3 7-10 OVEN AND CABINET PARTS 2-1 A 6 5 7-3 A 7-10 7-10 B B 7-3 1-8 2-3 7-10 7-9 7-6 4-3 C 1-2 7-10 7-2 7-9 7-7 C 4-12 4-9 7-10 6-4 1-10 4-4 1-7 1-6 6-3 D D 7-8 4-9 4-11 1-3 7-5 7-2 3-1-4 E E 7-10 1-11 4-5 7-2 7-11 4-8 F F 4-1 6-1 7-4 1-1 1-4 4-10 2-2 7-1 1-2 1-5 G G 1-1 7-1 6-2 1-9 2-2 4-7 4-2 4-6 7-2 H H 1 2 4 3 12 5 6
PAGE 15
R-216FS 2 1 4 3 6 5 Before attaching Control unit to Control panel, foil side of Control unit must be cleaned by ethyl-alcohol. CONTROL PANEL PARTS 3-1 A A 3-1-4 3-7 3-1-3 3-5 3-1-1 B 3-4 3-6 B DOOR PARTS 3-1-2 C C 5-7 3-2 3-3 3-2-1 5-6 D D 3-2-2 5-2 5-1 5-2-1 E E 5-2-2 5-3 5-2-3 F F 5-4 5-5 G G MISCELLANEOUS 6-6 H H Actual wire harness may be different from illustration.
PAGE 16
R-216FS COPYRIGHT © 2002 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. 2002SHARP CORP. (1S1.70E) Printed in U.S.