Sharp R-930AW service manual Convection Microwave Oven, Table of Contents

Page 1

R-930AK

R-930AW

SERVICE MANUAL

S6710R930APW/

CONVECTION

MICROWAVE OVEN

Interactive							HELP
						CUSTOM
	SENSOR					MINUTE
	REHEAT						PLUS
POPCORN						COMPU
ELEVATE PKG						DEFROST
1	Baked
2	Frozen potatoes
3	Fresh		vegetables
4	Fresh veg-soft
5	Frozenveg-hard					SENSOR
6	Hot dogsentrees
7	Bacon					COOKT
8	Fish, seafood
1			Convection
	Hamburgers
2	Chicken		pieces			COMPU
3	Steaks
4	Fish steaks					BROIL
1	Chicken
2	Turkey					COMPU
3	Turkey		breast
4	Pork					ROAST
1	Bundt cake
2	Cookies					COMPU
3	Muffins
4	French fries					BAKE
PREHEAT			CONVEC				BROIL
SLOW			LOW MIX				HIGH MIX
COOK				BAKE			ROAST
1		2		3
100˚F		150˚F				4		5
6		7		275˚F		300˚F		325˚F
				8		9		0
350˚F		375˚F
KITCHEN				400˚F		425˚F		150˚F
			CLOCK				ST OP
TIMER
	POWER						TCLEAR
	LEVEL					START
					TOUCH ON

SMART & EASY

CONVECTION

R-930AW

MODELS R-930AK R-930AW

In the interest of user-safety the oven should be restored to its original condition and only parts identical to those specified should be used.

TABLE OF CONTENTS
	Page
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICE TO
AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY	INSIDE FRONT COVER
BEFORE SERVICING	1
MICROWAVE MEASUREMENT PROCEDURE	2
FOREWORD	3
PRODUCT SPECIFICATIONS	4
GENERAL INFORMATION	4
OPERATION	6
TROUBLESHOOTING GUIDE	13
TEST PROCEDURE	14
TOUCH CONTROL PANEL	21
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE	27
PICTORIAL DIAGRAM	33
CONTROL PANEL CIRCUIT	34
PRINTED WIRING BOARD	35
PARTS LIST	36
PACKING AND ACCESSORIES	39

SHARP ELECTRONICS CORPORATION

Service Headquarters:

Sharp Plaza,

Mahwah,

New Jersey

07430-2135

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Contents Convection Microwave Oven Table of Contents930AK 930AW Before Servicing Requirements Microwave Measurement ProcedureLeakage test Convection Microwave Oven Sharp PLAZA, Mahwah930AK / R-930AW ForewordGeneral Information SpecificationDescription Grounding InstructionsTouch Control Panel Oven DiagramOperation Power Level P-0 to P-90 CookingDescription of Operating Sequence OFF ConditionAutomatic MIX Cooking Condition Convection Cooking ConditionSensor Cooking Condition Preheating ConditionCompu BROIL/ Compu ROAST/ Compu Bake Fire Sensing Feature Microwave ModeCompu Defrost Cooking Cooking SequenceFigure O-1. Oven Schematic-OFF Condition Schematic DiagramFigure O-4. Oven Schematic-Convection Cooking Condition Description and Function of Components Heating Element Troubleshooting GuideConvection Cooking System Damper OPEN-CLOSE MechanismPossible Cause Defective Parts Test Procedure ProblemProcedure Component Test Letter Magnetron Assembly Test Test ProceduresPower Transformer Test High Voltage Rectifier TestSecondary Interlock Switch Test Procedure Component Test LetterMonitor Switch Temperature Fuse TestDamper Switch Test Test Procedures Component Test LetterChecking Temperature in the Convection Mode Thermal CUT-OUT TestTouch Control Panel Assembly Test Outer Case Switch TestKEY Unit Test Relay Test Weight 1ST Stage 2ND Stage 3RD Stage 4TH Stage Level TimeCompu Defrost Test AH Sensor Test Occurrence Cause or CorrectionChecking the initial sensor cooking condition Water load cooking testTesting Method for AH Sensor AND/OR Control Unit Test Procedures Letter Component TestChecking Control Unit R1,R2 22Ω ± R3 4.3kΩ ± 5% 1/4WThermistor Touch Control Panel AssemblyLSIIZA797DR Description of LSITOR Segment data signals Signal similar to P27Segment data signal Key strobe signalStructure of Absolute Humidity Sensor Absolute Humidity Sensor CircuitServicing Outer Case Switches Replacement Component Replacement and Adjustment ProcedurePower Transformer Removal Outer Case RemovalPositive Lock Connector NO-CASE Type Removal High Voltage Rectifier Assembly RemovalMagnetron Removal High Voltage Capacitor RemovalTurntable Motor Removal Damper Assembly RemovalOven Lamp and Lamp Socket Removal FAN Motor RemovalControl Unit and KEY Unit Control Panel Assembly and Control Unit RemovalAfter adjustment, check the following Door Replacement and AdjustmentDoor Adjustment After adjustment, make sure of the followingFigure C-5. Door Replacement and adjustment Door DisassemblyFigure S-1. Pictorial Diagram Control Panel CircuitDIP Cabinet Parts Electrical PartsControl Panel Parts VSDTA123ES/-3 Oven PartsMiscellaneous Door PartsScrews Nuts and Washers Packing and Accessories HOW to Order Replacement PartsModel Number DescriptionOven Control Panel Parts Door Parts Miscellaneous 930AK 930AW

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