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

Page 2
Image 2
Sharp R-216LS Microwave Measurement PRO, Cedure, Touch Control Panel ASSEM- BLY, Precautions for Using Lead Free Solder

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.

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