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

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