Sharp R-1500, R-1505, R-1501, R-1506 service manual Figure S-2. Power Unit Circuit

Page 36

R-1500

R-1501

R-1505

R-1506

 

1

2

 

 

 

3

 

4

 

5

6

A

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

T1

D1-D4

 

 

 

 

 

 

 

3

8

1N4002

 

 

 

 

 

 

VRS1

10G471K

 

 

 

 

 

 

 

 

 

 

D3

D1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(J1)

 

 

 

/50v0.1C1

/35v1000C2

 

C 1

GND

 

 

 

 

 

 

 

 

 

 

 

 

d

1

5

D4

D2

+

 

 

 

 

 

 

 

 

 

 

 

 

a

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1 750 1w

C 7

VC

C

 

 

 

 

 

 

 

R2 750 1w

 

 

 

 

b

 

 

 

 

 

 

C 3

VA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

C 5

INT

 

 

c

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC(N)

N.O

 

 

D21

1SS270A

 

C21

 

MOTOR

 

TURNTABLE

 

 

 

 

10

/35v

 

 

OVEN LAMP

 

 

 

 

 

 

 

 

 

OVEN LAMP

 

 

 

 

 

 

 

 

 

C12

TURNTABLE

 

 

 

 

 

 

 

 

 

 

 

MOTOR

COM

 

 

 

 

 

Q21

 

3.3k

FAN MOTOR

D

FAN MOTOR

N.O

RY1

 

 

 

 

KRC243M

 

 

 

AC(H)

 

 

D22

1SS270A

 

 

 

R30

 

 

 

 

 

 

 

SP1

BUZZER

 

 

 

 

 

 

 

 

C 4

 

 

 

 

 

 

 

 

PKM22EPT

 

 

 

MICRO.

COM

 

 

 

 

 

 

 

C11

MICRO.

 

 

B 7

RY2

 

 

 

 

 

 

C10

HOOD MOTOR

 

HIGH

 

 

D23

1SS270A

 

 

 

 

HOOD MOTOR

 

 

 

 

 

 

 

H/L

 

 

 

 

 

 

 

 

 

 

 

B 9

 

 

 

 

 

 

 

 

 

 

LOW

 

 

 

 

 

 

 

 

 

E

HOOD

 

RY3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOOD MOTOR

 

B 5

 

 

 

 

 

 

 

C 9

 

THERMAL

 

 

D24

1SS270A

 

 

 

COM.

 

CUT-OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOOD MOTOR

 

 

 

 

 

 

 

 

C 2

VR

 

A 5

 

 

 

 

 

 

 

 

 

 

COM.

RY4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C 8

HOOD LAMP

 

 

 

 

 

 

1SS270A

 

 

 

F

HOOD LAMP

B 3

 

 

D25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RY5

 

 

 

 

 

 

 

 

 

CN-B

 

 

 

 

 

 

 

C 6

HOOD LAMP

 

 

 

 

D26

1SS270A

 

 

 

 

 

 

 

 

 

 

 

D20

 

 

 

 

 

 

 

 

 

 

 

1SS270A

 

 

HOOD LAMP

B 1

RY6

 

 

 

 

 

 

C13

Q22

 

 

A 3

 

 

 

 

 

 

C14

DOOR

 

 

 

 

 

 

 

 

 

 

MOTOR RUN

 

 

 

 

 

 

 

 

 

 

C100 7

 

 

 

 

 

 

1SS270A

SENSING

 

CAPACITOR

 

 

 

 

 

 

 

SWITCH

 

 

/230v

 

 

 

 

 

 

D40

G

 

A 1

 

 

 

 

 

 

 

 

 

CN-A

 

 

 

 

 

 

 

 

2

1

 

CN-C

 

 

 

 

 

 

 

 

 

 

 

14pin

 

 

 

 

 

 

DOOR

E

 

E

 

 

 

 

 

 

 

 

 

 

 

CN-E

WIRE HARNESS

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE

SENSING

 

 

 

 

 

 

 

 

 

 

 

 

: IF NOT SPECIFIED, 1/4W ±

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H

Figure S-2. Power Unit Circuit

1

2

3

4

5

6

A

B

C

D

E

F

G

H

34

Image 36
Contents Table of Contents 1506Before Servicing When the testing is completed Dont Touch Before ServicingMicrowave Measurement Procedure RequirementsLeakage test Sharp PLAZA, Mahwah Over the Range Microwave Oven1500/ R-1501/ R-1505/ R-1506 ForewordProduct Specification General InformationDescription Grounding InstructionsOven Diagram Control Panel LevelLight HI/ LO FAN HI/ LO Stop Clear Start Minute Plus Power Level P-0 to P-90 Cooking OperationDescription of Operating Sequence OFF ConditionVentilation Methods HOT AIR Exhaust Vertical VentingAIR Flow Horizontal VentingFigure O-1. Oven Schematic-Off Condition Description and Function of Components Troubleshooting Guide Hood FAN MotorHood Lamp Test Procedure Problem Possible Case Defective PartsTest Procedures Procedure Letter Component Test Magnetron Assembly TestMicrowave Output Power Power Transformer TestProcedure Letter Component Test Magnetron Temperature Fuse TestHigh Voltage Rectifier Test High Voltage Capacitor TestPrimary Interlock Switch Test Secondary Interlock System Test Door Sensing SwitchMonitor Switch Test Secondary Interlock Relay RY2Procedure Component Test Letter Blown Monitor Fuse TestHood Thermal CUT-OUT Test Hood FAN Motor TestTouch Control Panel Assembly Test Before testingWHT 3 KEY Unit Test Procedure Letter Component Test Relay Test Foil Pattern on the Printed Wiring Board TestDefrost Center Test 1ST Stage 2ND StageQKITPB035 Steps Occurrence Cause or CorrectionTouch Control Panel Assembly Description of LSILSI OUT Oven lamp, fan motor and turntable motor driving signal Signal synchronized with commercial power source frequencyInternal clock oscillation frequency input setting OUT Key strobe signalKey strobe signal Hood lamp driving signalHood motor high / low driving signal Hood motor driving signalOther Precautions ServicingShapes of Electronic Components Servicing of Touch Control PanelComponent Replacement and Adjustment Procedure Hood Exhaust Louver RemovalPower Transformer Removal Re-installPictorial Diagram Outer Case RemovalMagnetron Removal High Voltage Rectifier and High Voltage Capacitor RemovalHood FAN Thermal CUT-OUT Removal Thermal CUT-OUT Cavity RemovalTemperature Fuse Magnetron Removal Cooling FAN Motor RemovalPositive Lock Connector NO-CASE Type Removal Control Panel ASSEMBLY, Control Unit and KEY Unit RemovalPositive lock connector Turntable Motor and Food Lamp Sockets RemovalKey unit location Control Unit and KEY Unit RemovalDoor Replacement After adjustment, check the followingDoor Assembly Removal Door Assembly RE-INSTALLDoor Disassembly ReplacementDoor Frame Assembly Choke CoverControl Unit High Voltage ComponentsFigure S-2. Power Unit Circuit Circuit UnitDIP Parts List Parts marked * are used in voltage more thanElectric Parts Cabinet PartsOven Parts Door PartsMiscellaneous HOW to Order Replacement Parts Packing and AccessoriesSCREWS,NUTS and Washers Model NumberOven and Cabinet Parts Control Panel Parts Door Parts Miscellaneous Copyright 2001 by Sharp Corporation ALL Rights Reserved
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Manual 40 pages 37.06 Kb

R-1506, R-1501, R-1505, R-1500 specifications

The Sharp R-1500, R-1505, R-1501, and R-1506 are part of Sharp's extensive line of microwave ovens, showcasing advanced cooking technologies and user-friendly features that cater to the modern kitchen. These models are designed to provide convenience and efficiency while delivering consistent cooking results.

One of the standout features across these models is the use of Sharp's innovative microwave technology, which ensures even heating and cooking. This is achieved through a combination of advanced microwave distribution systems that help to minimize cold spots common in traditional microwaves. As a result, users can enjoy perfectly cooked meals, whether it's reheating leftovers or preparing a fresh dish.

Each model comes equipped with a variety of cooking presets that simplify meal preparation. These presets are tailored for a range of foods, including popcorn, pizza, vegetables, and baked goods. With just the press of a button, users can automatically adjust the cooking time and power level, making the cooking process intuitive and hassle-free.

The R-1500 and R-1505 models, in particular, offer a sleek and modern design that can seamlessly blend into any kitchen décor. The front-facing control panel is easy to read and navigate, while the spacious interior can accommodate larger dishes, making these models ideal for family meals or entertaining guests.

In addition to their cooking capabilities, these microwaves prioritize energy efficiency and safety. With features like a child lock function and an eco-mode, users can have peace of mind knowing that their appliance is safe for the entire family and environmentally conscious.

The R-1501 model adds additional versatility by including a grill function, allowing users to achieve that perfect crispiness on meats and vegetables. This feature enhances the range of cooking options available, making it suitable for those who enjoy grilling but may not have the outdoor space or equipment.

Lastly, the R-1506 combines the benefits of microwave cooking with user-friendly features such as a digital display and programmable timers. This model is particularly well-suited for busy households, as it allows for quick meal prep without sacrificing quality.

In summary, the Sharp R-1500, R-1505, R-1501, and R-1506 microwave ovens represent a blend of advanced technology, safety features, and user-convenience. They cater to a broad spectrum of cooking needs, from basic reheating to more complex meal preparations, all while maintaining a focus on efficiency and style.