Sharp R-1870 Figure S-1. Pictorial Diagram, High Voltage Components, 8 7 0 8 7, R - 1 R

Page 12
R - 1 R - 1

 

H

G

F

E

D

C

B

A

 

R - 1 R - 1

1

2

3 WHT CN-F 2 RED 1 BLK

6BLK

5BLK

4WHT CN-E3 BRN 2 GRN

1PNK

GRN

 

to oven cavity

RY2: PRIMARY

front flange

GRN

INTERLOCK

 

RELAY

GRN

IC1

 

AH. SENSOR

N.O.

PNK

COM.GRN

DOOR SENSING SWITCH

BLK

HOOD FAN MOTOR

6

YLW 5 RED

RED 4 YLW

BLU 3 WHT

PPL 2 BLK

GRY 1 BLU

TEMPERATURE FUSE (MG.)

STIRRER MOTOR

R B

WHTE L

D K

BLK

BLK

3

BLK

 

BLK

 

 

 

 

GRY

2

WHT

 

GRN

1

GRN

Power Supply

 

 

 

cord 120V 60Hz

CONVECTION

MOTOR

WHT

WHT

HEATING

BLKELEMENT

1

2

8 7 0 8 7 1

10

3

4

5

CN-G

 

 

 

 

 

 

 

 

 

 

 

COM.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN-E

 

 

RY3

N.O.

 

 

 

 

CN-F

 

 

 

 

 

 

 

 

 

COM.

 

 

 

 

 

 

 

 

RY2

N.O.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM.

CN-C

 

 

 

 

 

RY1

N.O.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN-F

 

 

 

 

RY9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RY10

 

 

 

 

 

 

 

T1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RY8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RY6

 

RY5

 

RY4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RY7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN-B

 

 

 

 

 

 

 

 

CN-A

 

 

 

 

 

 

 

 

 

 

 

 

 

CN-C

CN-B

RED

PPL

PPL

BRN

BLK

BLK

BLK

YLW

BRN

9BRN

7PPL

5BLU

3BLK

2

1 PNK

7BLK

5BLU

3RED

2

1 ORG

MONITOR

FUSE AND

FUSE HOLDER

RED

WHT

N.C. BLK

BLK

COM.

MONITOR

SWITCH

Blue

Marking YLW

GRY

OVEN LAMP & SOCKET

DAMPER

SWITCH

 

COM.

BRN

N.O.

 

WHT

DAMPER

 

MOTOR

 

GRY

 

BLU

FAN

MOTOR

GRY

RED

 

 

RED

 

 

WHT

 

 

 

BLK

2

BLK

BLK

1

BLK

 

 

 

THERMISTOR

HIGH VOLTAGE COMPONENTS

 

MAGNETRON

 

HIGH VOLTAGE

 

CAPACITOR

F

FA

 

H.V.

 

RECTIFIER

BLK

 

WHT

 

 

POWER TRANSFORMER

GRY 2

GRY-GRY

PNK 1

BRN-BRN

3

4

5

6

5 GRY

4

CN-A 3 YLW 2

1 RED

N.O.

WHT

SECONDARY

COM.INTERLOCK

GRY SWITCH

B

B

B

 

L

L

R

TURNTABLE

K

K

N

MOTOR

 

 

HOOD FAN

ORG

 

 

THERMAL

WHT

 

 

CUT-OUT

 

 

 

 

HOOD LAMPS

GRY

& SOCKETS

GRY

BRN

BRN

Blue Marking

6

Figure S-1. Pictorial Diagram

 

H

G

F

E

D

C

B

A

 

Image 12
Contents SHARP ELECTRONICS CORPORATION sales service only TABLE OF CONTENTSSUPPLEMENTAL SERVICE MANUAL Service Headquarters Sharp Plaza, Mahwah, New JerseyBEFORE SERVICING WARNING TO SERVICE PERSONNEL After repairingDont Touch Danger High Voltage Before ServicingMICROWAVE MEASUREMENT PROCEDURE B. Preparation for testingA. Requirements C. Leakage testDANGER SHARP PLAZA, MAHWAH NEW JERSEYSERVICE MANUAL If provided, Vent Hood, Fan assembly, Cooling Fan MotorSPECIFICATION GENERAL INFORMATIONDESCRIPTION GROUNDING INSTRUCTIONSOVEN DIAGRAM POWER LEVEL P-0 TO P-90 COOKING OPERATIONDESCRIPTION OF OPERATING SEQUENCE OFF CONDITIONFigure O-2. Oven Schematic - Microwave Cooking Condition Figure O-1. Oven Schematic - Off ConditionFigure O-4. Oven Schematic - Automatic Mix cooking Condition NOTE RY2 and RY3 will alternately close during cook cyclePROCEDURE LETTERCOMPONENT TEST R KEY UNIT TESTFigure S-1. Pictorial Diagram HIGH VOLTAGE COMPONENTS8 7 0 8 7 R - 1 RFigure S-2. Touch Control Panel Circuit R - 1 8 7 0 R - 1 8 7PARTS LIST Note The parts marked “∆” may cause undue microwave exposureELECTRIC PARTS CABINET PARTSOVEN PARTS CODEDOOR PARTS MISCELLANEOUSHOW TO ORDER REPLACEMENT PARTS SCREWS,NUTS AND WASHERSOrder Parts from the authrized SHARP parts Distributor for your area OVEN AND CABINET PARTS CONTROL PANEL PARTS PACKING AND ACCESSORIES 6-2 INSTALLATION INSTRUCTION 6-7 COOK BOOK 6-3 OPERATION MANUAL6-1 INSTALL MATERIAL ASSEMBLY 4-1 EXHAUST DAMPER ASSEMBLY ACCESSORY PACK BOTTOM PADR - 1 8 7 R - 1 8 7 R - 1 8 7 R - 1 8 7 R - 1 8 7 R - 1 8 7 COPYRIGHT 2001 BY SHARP CORPORATION ALL RIGHTS RESERVED 01 SHARP CORP. 9M2.60E Printed in U.S.A
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R-1870 specifications

The Sharp R-1870, R-1871, R-1870BK, and R-1872 microwaves are advanced kitchen appliances designed for efficiency and convenience in meal preparation. These models are known for their innovative features and technologies that enhance everyday cooking.

One of the standout features of these microwaves is the integration of inverter technology. This groundbreaking technology allows for a consistent and even distribution of heat, ensuring that food is cooked thoroughly without overcooking or uneven hot spots. Unlike traditional microwave ovens, inverter technology provides a continuous power output, which is particularly beneficial for delicate foods like seafood, sauces, and sweets.

Another notable characteristic of the Sharp R-1870 series is its spacious interior. With a generous capacity, these microwaves can accommodate large dishes, making them ideal for family meals or batch cooking. The flexible turntable adjustment allows users to maximize interior space for various dish sizes.

The R-1870 series also features sensor cooking technology. This intelligent system detects moisture released by the food during cooking and automatically adjusts cooking times and power levels. This ensures optimal cooking results without the need for constant monitoring, saving time and effort in the kitchen.

User convenience is further enhanced by the user-friendly control panel, which includes pre-programmed settings for popular dishes. This simplifies the cooking process, allowing users to prepare meals with the push of a button. The models also feature a large, easy-to-read display that shows cooking settings and times, making operation straightforward.

In terms of design, the Sharp R-1870 models come in various finishes, including sleek black and stainless steel options, to complement modern kitchen aesthetics. The units are compact, making them suitable for countertops with limited space.

Safety features, such as child lock functionality and a time countdown, are also integral to the design of these microwaves. This adds peace of mind for families with young children or for those who multitask in the kitchen.

All in all, the Sharp R-1870, R-1871, R-1870BK, and R-1872 microwaves represent a fusion of technology and practicality, catering to the needs of today’s busy home cooks. With their inverter cooking capabilities, sensor technology, and spacious designs, these models are a smart addition to any kitchen, making meal preparation easier and more enjoyable.