Sharp R-1870 User Manual

R-1870R-1871S91M173R1870EOVER THE RANGEMICROWAVE OVENMODELS R-1870/R-1871This is a supplemental Service Manual for Models R-1870/R1871.This model is q

8R-1870R-1871SCHEMATICNOTE: CONDITION OF OVEN1. DOOR CLOSED.2. CONVECTION PAD TOUCHED.3. DESIRED TEMP. TOUCHED.4. START PAD TOUCHED.Figure O-3. Oven S

9R-1870R-1871PROCEDURELETTERCOMPONENT TESTG12CUSTOMHELPKITCHENTIMERPOWERLEVELKEEPWARMTURNTABLEON / OFFCONVECBROILFAN LIGHTPREHEATCLOCKSENSORREHEATSLOW

10R-1870R-1871645123645123ABCDEFGHABCDEFGHFigure S-1. Pictorial DiagramHIGH VOLTAGECAPACITORH.V.RECTIFIERHIGH VOLTAGE COMPONENTSMAGNETRONPOWER TRANSFO

11R-1870R-1871645123645123ABCDEFGHABCDEFGHFigure S-2. Touch Control Panel Circuit+–+–+–+–A5A1A3B1B3B5B7C1C3C9C7C5F3G12G11G10G 9G 8G 1 G 2 G 3 G 4 G 5

12R-1870R-1871PARTS LISTNote: The parts marked “∆∆∆∆∆” may cause undue microwave exposure.The parts marked “*” are used in voltage more than 250V. &q

13R-1870R-1871REF. NO. PART NO. § DESCRIPTION Q'TY CODED1-4 VHD11ES1///-1 J Diode (11ES1) 4 ABD20-32 VHD1SS270A/-1 J Diode (1SS270A) 13 AAD65 VHD

14R-1870R-1871REF. NO. PART NO. § DESCRIPTION Q'TY CODE4-14 PHOK-B013MRF0 M Latch hook 1 AG4-15 FANGTB003MRY0 M Unit mounting plate 1 AV4-16 P

15R-1870R-1871HOW TO ORDER REPLACEMENT PARTSTo have your order filled promptly and correctly, please furnish the following information.1. MODEL NUMBER

16R-1870R-1871OVEN AND CABINET PARTS645123645123ABCDEFGHABCDEFGH4-157-117-77-37-207-207-77-177-177-147-157-217-47-147-124-104-91-184-177-234-434-391-2

17R-1870R-1871645123645123ABCDEFGHABCDEFGHCONTROL PANEL PARTSMISCELLANEOUSDOOR PARTS5-24-345-35-85-55-45-65-15-955-95-73-23-33-47-73-43-13-2-23-2-33-

R-1870R-1871PRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLEEXPOSURE TO EXCESSIVE MICROWAVEENERGY(a) Do not operate or allow th

18R-1870R-1871PACKING AND ACCESSORIES 2-14-3TURNTABLE TRAY TOP PADBOTTOM PADPACKING CASEACCESSORY PACKWRAP COVERNon-replaceable itemsDOOR PROTECTORGRE

19R-1870R-1871Notes

20R-1870R-1871Notes

21R-1870R-1871Notes

22R-1870R-1871'01 SHARP CORP. (9M2.60E) Printed in U.S.ACOPYRIGHT © 2001 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publication may

1R-1870R-1871WARNING TO SERVICE PERSONNELMicrowave ovens contain circuitry capable of pro-ducing very high voltage and current, contact withfollowing

2R-1870R-1871MICROWAVE MEASUREMENT PROCEDUREA. Requirements:1) Microwave leakage limit (Power density limit): The power density of microwave radiation

3R-1870R-1871SERVICE MANUALMICROWAVE OVENR-1870/R1871FOREWORDThis Manual has been prepared to provide Sharp Electronics Corp.Service Personnel with Op

4R-1870R-1871ITEM DESCRIPTIONPower Requirements 120 Volts / 13.2 Amperes (Microwave), 13.2 Amperes (Convection)60 HertzSingle phase, 3 wire groundedP

5R-1870R-1871NOTE:Some one-touch cooking featuresas "MINUTE PLUS" are disabled af-ter one minute when the oven is notused. These features ar

6R-1870R-1871OPERATIONDESCRIPTION OF OPERATING SEQUENCEThe following is a description of component functionsduring oven operation.OFF CONDITIONClosing

7R-1870R-1871Figure O-1. Oven Schematic - Off ConditionSCHEMATICNOTE: CONDITION OF OVEN1. DOOR CLOSED.2. CLOCK APPEARS ON DISPLAY.SCHEMATICNOTE: CONDI