Sharp R-1870 - Manuals - manualsarea.com

Page 2 - performed on each oven prior to release to the owner.; BEFORE SERVICING; . The owner of the unit should be instructed not to use the unit

R-1870R-1871 PRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLEEXPOSURE TO EXCESSIVE MICROWAVEENERGY (a) Do not operate or allow the oven to be operated with the door open.(b) Make the following safety checks on all ovens to be serviced before activating the magnetron or other m...

Page 3 - WARNING TO SERVICE PERSONNEL; may result in a severe, possibly; When the testing is completed,; After repairing; Before Servicing

1 R - 1 8 7 0R - 1 8 7 1 WARNING TO SERVICE PERSONNEL Microwave ovens contain circuitry capable of pro-ducing very high voltage and current, contact withfollowing parts may result in a severe, possibly fatal, electrical shock. (Example) High Voltage Capacitor, High Voltage Power Trans-former, Magnet...

Page 4 - MICROWAVE MEASUREMENT PROCEDURE; should not exceed 1mW/cm

2 R - 1 8 7 0R - 1 8 7 1 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/cm 2 at any point 5cm or more from the external surface of the oven, measured prior t...

Page 5 - SERVICE MANUAL; DANGER; Removal of the outer wrap gives access to voltage above 250V.

3 R - 1 8 7 0R - 1 8 7 1 SERVICE MANUAL MICROWAVE OVEN R-1870/R1871 FOREWORD This Manual has been prepared to provide Sharp Electronics Corp.Service Personnel with Operation and Service Information for the SHARPMICROWAVE OVEN, R-1870 and R-1871. The models R-1870 and R-1871 are quite similar to base...

Page 6 - SPECIFICATION; GROUNDING INSTRUCTIONS

4 R - 1 8 7 0R - 1 8 7 1 ITEM DESCRIPTION Power Requirements 120 Volts / 13.2 Amperes (Microwave), 13.2 Amperes (Convection)60 HertzSingle phase, 3 wire grounded Power Output 850 watts (IEC-705 TEST PROCEDURE) Operating frequency of 2450MHz Convection Power Output 1400 watts Case Dimensions Width 29...

Page 7 - CONTROL PANEL; OVEN DIAGRAM

5 R - 1 8 7 0R - 1 8 7 1 NOTE: Some one-touch cooking features as "MINUTE PLUS" are disabled af- ter one minute when the oven is not used. These features are automati- cally enabled when the door is opened and closed or the STOP/ CLEAR pad is pressed. MIX CONV DEFROST SENSOR ON OFF COOK LBS ...

Page 8 - OPERATION; DESCRIPTION OF OPERATING SEQUENCE; OFF CONDITION

6 R - 1 8 7 0R - 1 8 7 1 OPERATION DESCRIPTION OF OPERATING SEQUENCE The following is a description of component functionsduring oven operation. OFF CONDITION Closing the door activates the door sensing switch andsecondary interlock switch. (In this condition, the monitorswitch contacts are opened.)...

Page 10 - NOTE: RY2 and RY3 will alternately close during cook cycle

8 R - 1 8 7 0R - 1 8 7 1 SCHEMATIC NOTE: CONDITION OF OVEN1. DOOR CLOSED.2. CONVECTION PAD TOUCHED.3. DESIRED TEMP. TOUCHED.4. START PAD TOUCHED. Figure O-3. Oven Schematic - Convection Cooking Condition (CONVEC, PREHEAT, BROIL, SLOW COOK) SCHEMATIC NOTE: CONDITION OF OVEN1. DOOR CLOSED.2. MIX COOKI...

Page 14 - PARTS LIST; DESCRIPTION

12 R - 1 8 7 0R - 1 8 7 1 PARTS LIST Note: The parts marked “ ∆∆∆∆∆ ” may cause undue microwave exposure. The parts marked “*” are used in voltage more than 250V. "§" MARK: PARTS DELIVERY SECTION. ELECTRIC PARTS 1- 1 FH-DZB017MRY0 M High voltage rectifier assembly 1 AM 1- 2 RC-QZB234MRE0 M H...

Page 15 - OVEN PARTS

13 R - 1 8 7 0R - 1 8 7 1 REF. NO. PART NO. § DESCRIPTION Q'TY CODE D1-4 VHD11ES1///-1 J Diode (11ES1) 4 AB D20-32 VHD1SS270A/-1 J Diode (1SS270A) 13 AA D65 VHD1SS270A/-1 J Diode (1SS270A) 1 AA D70-76 VHD1SS270A/-1 J Diode (1SS270A) 7 AA IC1 RH-IZA719DRE0 J LSI 1 AW IC2 RH-IZA495DRE0 J IC 1 AL Q1 VS...

Page 16 - DOOR PARTS

14 R - 1 8 7 0R - 1 8 7 1 REF. NO. PART NO. § DESCRIPTION Q'TY CODE 4-14 PHOK-B013MRF0 M Latch hook 1 AG 4-15 FANGTB003MRY0 M Unit mounting plate 1 AV 4-16 PFPF-B002MRE0 M Heat protect L 1 AK 4-17 PPIPFB002MRE0 M Coller 1 AD 4-18 PREFHB006MRP0 M Heater cover L 1 AM 4-19 PDUC-B083MRP0 M Hood intake d...

Page 17 - HOW TO ORDER REPLACEMENT PARTS; SCREWS,NUTS AND WASHERS

15 R - 1 8 7 0R - 1 8 7 1 HOW TO ORDER REPLACEMENT PARTS 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 authrized SHARP parts Distributor for your area.Defective parts required re...

Page 18 - OVEN AND CABINET PARTS

16 R - 1 8 7 0R - 1 8 7 1 OVEN AND CABINET PARTS 6 4 5 1 2 3 6 4 5 1 2 3 A B C D E F G H A B C D E F G H 4-15 7-11 7-7 7-3 7-20 7-20 7-7 7-17 7-17 7-14 7-15 7-21 7-4 7-14 7-12 4-10 4-9 1-18 4-17 7-23 4-43 4-39 1-21 7-3 7-24 7-24 4-36 4-1 1-17 4-35 4-45 4-38 7-24 7-7 7-1 2-6 4-23 1-13 2-5 4-24 4-44 1...

Page 21 - Notes

22 R - 1 8 7 0R - 1 8 7 1 '01 SHARP CORP. (9M2.60E) Printed in U.S.A COPYRIGHT © 2001 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced,stored in retrieval systems, or transmitted inany form or by any means, electronic, me-chanical, photocopying, recording, or o...