Sharp R-1870 NOTE RY2 and RY3 will alternately close during cook cycle, R - 1 8 7 R - 1 8 7

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

R - 1 8 7 0

R - 1 8 7 1

SCHEMATIC

NOTE: CONDITION OF OVEN

1.DOOR CLOSED.

2.CONVECTION PAD TOUCHED.

3.DESIRED TEMP. TOUCHED.

4.START PAD TOUCHED.

 

 

 

FUSE

 

 

 

MAGNETRON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

20A

RED

 

TEMPERATURE FUSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM.

 

 

BLK

N.O.

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

BRN

 

BLK

 

 

CONTROL UNIT

 

 

 

 

 

 

 

 

 

RY1

 

 

 

RY2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

PNK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AH SENSOR

 

 

 

 

 

 

 

 

HOOD FAN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THERMAL

 

 

C9

CAPACITOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RY3

RY2

PRIMARY INTERLOCKRELAY

 

 

 

 

 

 

 

TRANSFORMER

 

120 V AC. GND

WHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

CUT OUT

 

 

 

 

RY9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLKBLK

 

 

NOISE

 

C5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN

RESISTOR

 

 

RY10

 

 

 

RY6

RY5

 

 

RY4

 

RY7

RY1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRY

GRY

YLW

BLK

 

 

 

 

PNK

GRY

DAMPER MOTOR

GRY

MOTOR

GRY

TURNTABLE MOTOR

 

 

 

WHTWHT

LAMPOVEN

GRY

BRN

PPL HEATING ELEMENT

WHTRED

 

GRN

F1

F2

F3

WHT WHT

STIRRER MOTOR

MONITOR SWITCH

WHT

WHT

 

MAGNETRON

 

 

GRY

HOOD

 

 

 

 

 

 

 

 

 

 

PPL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60 Hz

 

 

 

 

 

 

 

 

RY8

 

 

 

 

 

 

 

 

 

 

 

N.O.

COM.

COM.

N.O.

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RY1

RY2

RY3

RY3

 

E2

E5

E6

 

 

 

 

 

 

 

 

 

 

 

HOOD

A1

A3

C1

A5

 

B5

 

B3

 

 

B1

 

B7

YLW

YLW

 

PPL

 

E1

 

BLK

BLK

E3

E4

 

 

BLK

 

HIGH VOLTAGE

 

 

 

 

 

 

 

 

BRN

BRN

 

 

 

BLU

 

RED

 

 

ORG

 

 

BLK

 

 

PNK

 

BRN

 

 

 

 

 

 

 

 

 

 

MOTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STM

 

 

CAPACITOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONVECTION MOTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

0.9F

 

 

 

 

 

 

 

 

HOOD

 

 

 

DM

 

FM

 

TTM

CM

 

 

 

 

 

DOOR

THERMISTOR

DAMPER

 

 

 

 

RECTIFIER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SENSING

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OL

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

BLU

 

 

REDRED

 

HL

HL

 

 

 

FAN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HIGH VOLTAGE

 

 

 

 

 

LAMP

 

 

 

 

 

 

 

 

WHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YLW

 

 

 

 

 

 

 

 

 

 

 

 

WHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRY SECONDARY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INTERLOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 TIME PROGRAMMED.

5.START PAD TOUCHED.

NOTE: RY2 and RY3 will alternately close during cook cycle

 

 

 

FUSE

 

 

 

MAGNETRON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

20A

RED

 

TEMPERATURE FUSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM.

 

 

BLK

N.O.

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

BRN

 

BLK

 

 

CONTROL UNIT

 

 

 

 

 

 

 

 

 

RY1

 

 

 

RY2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

PNK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AH SENSOR

 

 

 

 

 

 

 

 

HOOD FAN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THERMAL

 

 

C9

CAPACITOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RY3

RY2

PRIMARY INTERLOCKRELAY

 

 

 

 

 

 

 

TRANSFORMER

 

120 V AC. GND

WHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

CUT OUT

 

 

 

 

RY9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLKBLK

 

 

NOISE

 

C5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN

RESISTOR

 

 

RY10

 

 

 

RY6

RY5

 

 

RY4

 

RY7

RY1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRY

GRY

YLW

BLK

 

 

 

 

PNK

GRY

DAMPER MOTOR

GRY

MOTOR

GRY

TURNTABLE MOTOR

 

 

 

WHTWHT

LAMPOVEN

GRY

BRN

PPL HEATING ELEMENT

WHTRED

 

GRN

F1

F2

F3

WHT WHT

STIRRER MOTOR

MONITOR SWITCH

WHT

WHT

 

MAGNETRON

 

 

GRY

HOOD

 

 

 

 

 

 

 

 

 

 

PPL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60 Hz

 

 

 

 

 

 

 

 

RY8

 

 

 

 

 

 

 

 

 

 

 

N.O.

COM.

COM.

N.O.

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RY1

RY2

RY3

RY3

 

E2

E5

E6

 

 

 

 

 

 

 

 

 

 

 

HOOD

A1

A3

C1

A5

 

B5

 

B3

 

 

B1

 

B7

YLW

YLW

 

PPL

 

E1

 

BLK

BLK

E3

E4

 

 

BLK

 

HIGH VOLTAGE

 

 

 

 

 

 

 

 

BRN

BRN

 

 

 

BLU

 

RED

 

 

ORG

 

 

BLK

 

 

PNK

 

BRN

 

 

 

 

 

 

 

 

 

 

MOTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STM

 

 

CAPACITOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONVECTION MOTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

0.9F

 

 

 

 

 

 

 

 

HOOD

 

 

 

DM

 

FM

 

TTM

CM

 

 

 

 

 

DOOR

THERMISTOR

DAMPER

 

 

 

 

RECTIFIER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SENSING

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OL

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

BLU

 

 

REDRED

 

HL

HL

 

 

 

FAN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HIGH VOLTAGE

 

 

 

 

 

LAMP

 

 

 

 

 

 

 

 

WHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YLW

 

 

 

 

 

 

 

 

 

 

 

 

WHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRY SECONDARY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INTERLOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure O-4. Oven Schematic - Automatic Mix cooking Condition

8

Image 10
Contents SUPPLEMENTAL SERVICE MANUAL SHARP ELECTRONICS CORPORATION sales service onlyTABLE OF CONTENTS Service Headquarters Sharp Plaza, Mahwah, New JerseyBEFORE SERVICING Dont Touch Danger High Voltage WARNING TO SERVICE PERSONNELAfter repairing Before ServicingA. Requirements MICROWAVE MEASUREMENT PROCEDUREB. Preparation for testing C. Leakage testSERVICE MANUAL DANGERSHARP PLAZA, MAHWAH NEW JERSEY If provided, Vent Hood, Fan assembly, Cooling Fan MotorDESCRIPTION SPECIFICATIONGENERAL INFORMATION GROUNDING INSTRUCTIONSOVEN DIAGRAM DESCRIPTION OF OPERATING SEQUENCE POWER LEVEL P-0 TO P-90 COOKINGOPERATION 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 cycleCOMPONENT TEST PROCEDURELETTER R KEY UNIT TEST8 7 0 8 7 Figure S-1. Pictorial DiagramHIGH VOLTAGE COMPONENTS R - 1 RFigure S-2. Touch Control Panel Circuit R - 1 8 7 0 R - 1 8 7ELECTRIC PARTS PARTS LISTNote The parts marked “∆” may cause undue microwave exposure CABINET PARTSOVEN PARTS CODEDOOR PARTS MISCELLANEOUSSCREWS,NUTS AND WASHERS HOW TO ORDER REPLACEMENT PARTSOrder Parts from the authrized SHARP parts Distributor for your area OVEN AND CABINET PARTS MISCELLANEOUS 6-1 INSTALL MATERIAL ASSEMBLY 4-1 EXHAUST DAMPER ASSEMBLY PACKING AND ACCESSORIES6-2 INSTALLATION INSTRUCTION 6-7 COOK BOOK 6-3 OPERATION MANUAL 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
Related manuals
Manual 32 pages 13.86 Kb

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.