Sharp R-216LS service manual Microwave Measurement PRO, Cedure, Touch Control Panel ASSEM- BLY

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CONTENTS

PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPO- SURE TO EXCESSIVE MICROWAVE ENERGY

CHAPTER 1. WARNING TO SERVICE PERSONNEL

[1] Before Servicing

1-1

[2]When the testing is completed, ..................1-1

[3]

After repairing

1-1

CHAPTER 2. MICROWAVE MEASUREMENT PRO-

CEDURE

 

[1]

Requirements:

2-1

[2]

Preparation for testing:

2-1

[3]

Leakage test:

2-1

CHAPTER 3. FOREWORD AND WARNING

 

[1]

FOREWORD

3-1

[2]

WARNING

3-1

[3]

DANGER

3-1

CHAPTER 4. PRODUCT DESCRIPTION

 

[1]

SPECIFICATIONS

4-1

CHAPTER 5. GENERAL INFORMATION

 

[1]

GROUNDING INSTRUCTIONS

5-1

[2]

OVEN DIAGRAM

5-1

CHAPTER 6. OPERATION

[1]DESCRIPTION OF OPERATING SE-

QUENCE

6-1

[2] OVEN SCHENATIC

6-2

[3]DESCRIPTION AND FUNCTION OF

COMPONENTS

6-3

CHAPTER 7. TROUBLESHOOTING GUIDE

 

[1] TROUBLESHOOTING CHART

7-1

CHAPTER 8. TEST PROCEDURES

[1]Procedure A: MAGNETRON ASSEMBLY

TEST

8-1

[2]Procedure B: POWER TRANSFORMER

TEST

8-1

[3]Procedure C: HIGH VOLTAGE RECTIFI-

ER TEST

8-1

[4]Procedure D: HIGH VOLTAGE CAPACI-

TOR TEST

8-2

[5]Procedure E: TEMPERATURE FUSE

(OVEN) TEST

8-2

[6]Procedure F: SECONDARY INTERLOCK

SWITCH TEST

8-2

[7]Procedure F: PRIMARY INTERLOCK

SYSTEM TEST

8-2

[8] Procedure G: MONITOR SWITCH TEST

8-3

[9]Procedure H: BLOWN MINITOR FUSE

TEST

8-3

[10] Procedure I: NOISE FILTER TEST

8-4

[11]

Procedure J: TOUCH CONTROL PANEL

 

 

ASSEMBLY TEST

8-4

[12]

Procedure K: KEY UNIT TEST

8-5

[13]

Procedure L: RELAY TEST

8-5

[14]

Procedure M: DEFROST TEST

8-6

[15]

Procedure N: FOIL PATTERN ON THE

 

 

PRINTED WIRING BOARD TEST

8-6

CHAPTER 9. TOUCH CONTROL PANEL ASSEM- BLY

[1]

OUTLINE OF TOUCH CONTROL PANEL..... 9-1

[2]

SERVICING FOR TOUCH CONTROL

 

 

PANEL

9-1

CHAPTER 10. PRECAUTIONS FOR USING LEAD-

FREE SOLDER

 

[1]

Employing lead-free solder

10-1

[2]

Using lead-free wire solder

10-1

[3]

Soldering

10-1

CHAPTER 11. COMPONENT REPLACEMENT AND

ADJUSTMENT PROCEDURE

 

[1]

WARNING

11-1

[2]

OUTER CASE REMOVAL

11-1

[3]

MAGNETRON REMOVAL

11-2

[4]HIGH VOLTAGE COMPONENTS RE- MOVAL? (?HIGH VOLTAGE CAPACITOR AND HIGH VOLTAGE RECTIFIER AS-

SEMBLY)

11-2

[5] POWER TRANSFORMER REMOVAL

11-2

[6]POSITIVE LOCK CONNECTOR (NO-

CASE TYPE) REMOVAL

11-2

[7]CONTROL PANEL ASSEMBLY REMOV-

AL

11-3

[8]GRAPHIC SHEET AND MEMBRANE

SWITCH REPLACEMENT

11-3

[9]POWER SUPPLY CORD REPLACE-

 

MENT

11-4

[10]

TURNTABLE MOTOR REMOVAL

11-4

[11]

COOLING FAN MOTOR REMOVAL

11-4

[12]

DOOR SENSING SWITCH/SECONDARY

 

INTERLOCK SWITCH AND MONITOR

 

 

SWITCH REMOVAL

11-5

[13]

DOOR SENSING SWITCH/SECONDARY

 

INTERLOCK SWITCH AND MONITOR

 

 

SWITCH ADJUSTMENT

11-5

[14]

DOOR REPLACEMENT

11-6

CHAPTER 12. CIRCUIT DIAGRAMS

 

[1]

Pictorial Diagram (Figure S-1)

12-1

[2]

Control Panel Circuit (Figure S-2)

12-2

[3]

Printed Wiring Board (Figure S-3)

12-3

Parts List

Image 2
Contents Model R-216LS Adjustment Procedure Precautions for Using Lead Free SolderComponent Replacement Microwave Measurement PROBefore Servicing Before Servicing When the testing is completedAfter repairing Requirements Microwave Measurement ProcedurePreparation for testing Leakage testForeword and Warning ForewordProduct Description 1 Specifications DescriptionGrounding Instructions Oven DiagramGeneral Information OvenTouch Control Panel Description of Operating Sequence Power Level CookingPower Output Reduction OFF ConditionOff Condition Schematic Door Closed Clock Appears on DisplayOven Schenatic Cooking ConditionDescription and Function of Components Troubleshooting Guide Troubleshooting ChartProcedure B Power Transformer Test Test ProceduresProcedure a Magnetron Assembly Test Procedure C High Voltage Rectifier TestProcedure F Secondary Interlock Switch Test Procedure D High Voltage Capacitor TestProcedure E Temperature Fuse Oven Test Procedure F Primary Interlock System TestPrimary Interlock Relay RY2 Procedure G Monitor Switch TestProcedure H Blown Minitor Fuse Test Key Unit Procedure I Noise Filter TestProcedure J Touch Control Panel Assembly Test Control UnitProcedure K KEY Unit Test Procedure L Relay TestProcedure M Defrost Test Procedure N Foil Pattern on the Printed Wiring Board TestR216LS Outline of Touch Control Panel Touch Control Panel AssemblyPrecautions for Handling Electronic Components Servicing for Touch Control PanelOther Precautions Servicing ToolsEmploying lead-free solder Precautions for Using LEAD-FREE SolderUsing lead-free wire solder SolderingComponent Replacement and Adjustment PROCE- Dure Outer Case RemovalReinstall Power Transformer RemovalPositive Lock Connector NO-CASE Type Removal Magnetron RemovalTrol Panel Assembly Removal Control Panel Assembly RemovalGraphic Sheet and Membrane Switch Replacement Cooling FAN Motor Removal Power Supply Cord ReplacementTurntable Motor Removal Make Sure That the FAN Blade Rotates Smooth After Installed InstallationAdjustment Make Sure That the Axis of the Shaft is not SlantedAfter any service, make sure of the following Door ReplacementAfter adjustment, check the following Figure C-7. Door Replacement Sealer FilmDiagrams Pictorial Diagram FigureControl Panel Circuit Figure S-2 Liquid Crystal DisplayUnit Printed Wiring Board Figure S-3DIP CodeMeno Parts Guide Oven Parts Oven Parts Parts Code Price NEW Description Rank MarkDoor and Control Panel Parts Door and Control Panel Parts „INDEX

R-216LS specifications

The Sharp R-216LS is a versatile microwave oven that combines affordability with a range of features designed to enhance your cooking experience. Compact yet powerful, this model is especially suitable for small kitchens or dorm rooms, where space is at a premium.

One of the standout features of the Sharp R-216LS is its impressive 800 watts of cooking power. This ensures quick and efficient heating, allowing users to prepare meals in a fraction of the time compared to conventional ovens. The microwave also features a variety of power levels, providing flexibility for different types of cooking and reheating tasks, from defrosting frozen food to cooking delicate items like baked goods.

The R-216LS comes equipped with a spacious 20-liter capacity, which is surprisingly roomy for its size. This allows for ample space to heat up large dishes or multiple servings at once. The interior is designed with easy cleaning in mind, featuring a non-stick coating that prevents food from adhering to the surfaces and simplifies maintenance.

In terms of usability, the Sharp R-216LS boasts a user-friendly interface with straightforward knobs and buttons. It includes a timer and a range of pre-programmed cooking options, enabling users to cook a variety of foods with just the touch of a button. This is particularly beneficial for those new to microwave cooking or for busy individuals looking to save time.

The microwave also incorporates advanced technologies, including inverter microwave technology, which provides a continuous stream of cooking power for more even heating and defrosting. This ensures that your food is cooked thoroughly without the risk of hot and cold spots.

Safety is another priority in the design of the R-216LS. It features a child safety lock, which prevents accidental operation, making it a perfect choice for families with young children. The model also has an automatic shut-off feature, ensuring that the microwave turns off when not in use.

In summary, the Sharp R-216LS is a compact microwave that offers a blend of power, convenience, and safety features, making it an excellent choice for anyone seeking a reliable cooking appliance. Whether for reheating leftovers, cooking meals, or defrosting ingredients, this microwave is designed to meet the diverse needs of modern kitchens. With its combination of thoughtful design and functionality, the R-216LS stands out as a worthy investment for those looking for efficiency and performance in their cooking appliances.