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Manual Sharp R-1870

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  • Sharp R-1870 - page 1

    R-1870 R-1871 S91M173R1870E OVER THE RANGE MICROWAVE OVEN MODELS R-1870/R-1871 This is a supplemental Service Manual for Models R-1870/R1871. This model is quite similar to Base Model R-1850 (S/M# S6804R1850X//). Use this supplemental manual together with the Base Model Service Manuals for complete operation and service information Model R-1870 In ...

  • Sharp R-1870 - page 2

    R-1870 R-1871 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. ( b ) Make the following safety checks on all ovens to be serviced before activating the magnetron or other microwave source, and make repairs as nece ...

  • Sharp R-1870 - page 3

    1 R-1870 R-1871 WARNING TO SERVICE PERSONNEL Microwave ovens contain circuitry capable of pro- ducing 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 Trans- former, Magnetron, High Voltage Rectifier Assem- bly, High Voltage Har ...

  • Sharp R-1870 - page 4

    2 R-1870 R-1871 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 to acquisition by a purchaser, and thereafter (through the ...

  • Sharp R-1870 - page 5

    3 R-1870 R-1871 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 SHARP MICROWAVE OVEN, R-1870 and R-1871. The models R-1870 and R-1871 are quite similar to base model R-1850 (Ref.# S6804R1850X//) It is recommended tha ...

  • Sharp R-1870 - page 6

    4 R-1870 R-1871 ITEM DESCRIPTION Power Requirements 120 Volts / 13.2 Amperes (Microwave), 13.2 Amperes (Convection) 60 Hertz Single phase, 3 wire grounded Power Output 850 watts (IEC-705 TEST PROCEDURE) Operating frequency of 2450MHz Convection Power Output 1400 watts Case Dimensions Width 29-15/16" Height 16-11/32" Depth 15- 9/32" C ...

  • Sharp R-1870 - page 7

    5 R-1870 R-1871 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 OZ KG HELP TURNTABLE CONTROL PANEL 3-Pronged Plug Grounde ...

  • Sharp R-1870 - page 8

    6 R-1870 R-1871 OPERATION DESCRIPTION OF OPERATING SEQUENCE The following is a description of component functions during oven operation. OFF CONDITION Closing the door activates the door sensing switch and secondary interlock switch. (In this condition, the monitor switch contacts are opened.) When oven is plugged in, 120 volts A.C. is supplied to ...

  • Sharp R-1870 - page 9

    7 R-1870 R-1871 Figure O-1. Oven Schematic - Off Condition SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED. 2. CLOCK APPEARS ON DISPLAY. SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED. 2. COOKING TIME PROGRAMMED. 3. START PAD TOUCHED. Figure O-2. Oven Schematic - Microwave Cooking Condition MAGNETRON TEMPERATURE FUSE RED PN K BLK GRY GRY GRY BRN ...

  • Sharp R-1870 - page 10

    8 R-1870 R-1871 SCHEMATIC NOTE: CONDITION OF OVEN 1. 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 OVEN 1. DOOR CLOSED. 2. MIX COOKING PAD TOUCHED. 3. DESIRED TEMP. TOUCHED. 4. COOKING ...

  • Sharp R-1870 - page 11

    9 R-1870 R-1871 PROCEDURE LETTER COMPONENT TEST G12 CUSTOM HELP KITCHEN TIMER POWER LEVEL KEEP WARM TURNTABLE ON / OFF CONVEC BROIL FAN LIGHT PREHEAT CLOCK SENSOR REHEAT SLOW COOK LOW MIX BAKE 1 100 F 2 150 F 3 275 F 4 300 F 5 325 F 6 350 F 7 375 F 8 400 F 9 425 F 0 450 F HIGH MIX ROAST STOP CLEAR START TOUCH ON SENSOR COOK MINUTE PLUS COMPU DEFROS ...

  • Sharp R-1870 - page 12

    10 R-1870 R-1871 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H Figure S-1. Pictorial Diagram HIGH VOLTAGE CAPACITOR H.V. RECTIFIER HIGH VOLTAGE COMPONENTS MAGNETRON POWER TRANSFORMER F FA Power Supply cord 120V 60Hz GRN BLK BLK 1 2 3 WHT GRN BLK HOOD FAN THERMAL CUT-OUT CONVECTION MOTOR HEATING ELEMENT THERMISTOR TEMPERATURE FUSE (MG.) B L ...

  • Sharp R-1870 - page 13

    11 R-1870 R-1871 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H Figure S-2. Touch Control Panel Circuit + – + – + – + – A5 A1 A3 B1 B3 B5 B7 C1 C3 C9 C7 C5 F3 G12 G11 G10 G 9 G 8 G 1 G 2 G 3 G 4 G 5 G 6 G 7 F2 F1 E6 E5 Q20 KRA101M Q90 KRA101M VRS1 C1 0.1 ∝ /50v D20 D21 D22 D23 D24 D25 D26 D27 D28 D32 D31 D29 C2 1000 ∝ /35v C3 0.1 ...

  • Sharp R-1870 - page 14

    12 R-1870 R-1871 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 A M 1- 2 RC-QZB234MRE0 M High voltage capacitor 1 A R 1- 3 ...

  • Sharp R-1870 - page 15

    13 R-1870 R-1871 REF. NO. PART NO. § DESCRIPTION Q'TY CODE D1-4 VHD11ES1///-1 J Diode (11ES1) 4 A B D20-32 VHD1SS270A/-1 J Diode (1SS270A) 1 3 AA D65 VHD1SS270A/-1 J Diode (1SS270A) 1 A A D70-76 VHD1SS270A/-1 J Diode (1SS270A) 7 AA IC1 RH-IZA719DRE0 J LSI 1 A W IC2 RH-IZA495DRE0 J IC 1A L Q1 VS2SB1238//-3 J Transistor (2SB1238) 1 AA Q3 VSKRA1 ...

  • Sharp R-1870 - page 16

    14 R-1870 R-1871 REF. NO. PART NO. § DESCRIPTION Q'TY CODE 4-14 PHOK-B013MRF0 M Latch hook 1 A G 4-15 FANGTB003MRY0 M Unit mounting plate 1 A V 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 duct L 1 A G 4-20 NFANPB005MRK0 M Fan blade 1 AC 4-2 ...

  • Sharp R-1870 - page 17

    15 R-1870 R-1871 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 return should be returned as indicated in the Service Policy ...

  • Sharp R-1870 - page 18

    16 R-1870 R-1871 OVEN AND CABINET PARTS 6 45 1 2 3 6 45 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 1-6 1-16 2-9 1-20 2-7 2-3 1-14 2-4 1-14 4-29 4-31 6-14 1-22 4- ...

  • Sharp R-1870 - page 19

    17 R-1870 R-1871 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H CONTROL PANEL PARTS MISCELLANEOUS DOOR PARTS 5-2 4-34 5-3 5-8 5-5 5-4 5-6 5-1 5-9 5 5-9 5-7 3-2 3-3 3-4 7-7 3-4 3-1 3-2-2 3-2-3 3-2-5 3-2-1 3-2-4 3-2-6 6-6 6-8 6-9 6-10 6-11 6-1 6-1-1 6-1-2 6-1-3 6-1-7 6-1-5 6-1-6 6-1-4 ...

  • Sharp R-1870 - page 20

    18 R-1870 R-1871 PACKING AND ACCESSORIES 2-1 4-3 TURNTABLE TRAY TOP PAD BOTTOM PAD PACKING CASE ACCESSORY PACK WRAP COVER Non-replaceable items DOOR PROTECTOR GREASE FILTER (x 2) INSTALL MATERIAL ASSEMBLY 6-1 6-2 6-3 OPERATION MANUAL WALL TEMPLATE INSTALLATION INSTRUCTION 6-4 TOP TEMPLATE 6-5 EXHAUST DAMPER ASSEMBLY 4-1 6-9 6-10 6-7 COOK BOOK ...

  • Sharp R-1870 - page 21

    19 R-1870 R-1871 Notes ...

  • Sharp R-1870 - page 22

    20 R-1870 R-1871 Notes ...

  • Sharp R-1870 - page 23

    21 R-1870 R-1871 Notes ...

  • Sharp R-1870 - page 24

    22 R-1870 R-1871 '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 in any form or by any means, electronic, me- chanical, photocopying, recording, or other- wise, without prior written permission of th ...

Manufacturer Sharp Category Microwave Oven

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