Sharp R-216LS service manual Printed Wiring Board Figure S-3, Dip, Unit, Code, Chip Side

Page 33

R216LS

[3] Printed Wiring Board (Figure S-3)

DIP

CN-B
D40
D22
D21	SP1 D20

UNIT

CODE 2

1 R4ZD1

3 (J11) 1

CHIP

SIDE

C8	(J13)	(J12)	(J14)
(J10)

E Q22	B
5
C21
(J15)	Q21
4	E
	E

RY2 1	RY1	VRS1
CN-A	(J1)
	(J1)
3

D2	D4	D3
	D4	D3
	D1
	T1

Figure S-3. Printed Wiring Board

12 – 3

Image 33

Contents Model R-216LS Component Replacement Precautions for Using Lead Free SolderAdjustment Procedure Microwave Measurement PROBefore Servicing When the testing is completed After repairingBefore Servicing Preparation for testing Microwave Measurement ProcedureRequirements Leakage testForeword Foreword and WarningDescription Product Description 1 SpecificationsGeneral Information Oven DiagramGrounding Instructions OvenTouch Control Panel Power Output Reduction Power Level CookingDescription of Operating Sequence OFF ConditionOven Schenatic Schematic Door Closed Clock Appears on DisplayOff Condition Cooking ConditionDescription and Function of Components Troubleshooting Chart Troubleshooting GuideProcedure a Magnetron Assembly Test Test ProceduresProcedure B Power Transformer Test Procedure C High Voltage Rectifier TestProcedure E Temperature Fuse Oven Test Procedure D High Voltage Capacitor TestProcedure F Secondary Interlock Switch Test Procedure F Primary Interlock System TestProcedure G Monitor Switch Test Procedure H Blown Minitor Fuse TestPrimary Interlock Relay RY2 Procedure J Touch Control Panel Assembly Test Procedure I Noise Filter TestKey Unit Control UnitProcedure L Relay Test Procedure K KEY Unit TestProcedure N Foil Pattern on the Printed Wiring Board Test Procedure M Defrost TestR216LS Precautions for Handling Electronic Components Touch Control Panel AssemblyOutline of Touch Control Panel Servicing for Touch Control PanelServicing Tools Other PrecautionsUsing lead-free wire solder Precautions for Using LEAD-FREE SolderEmploying lead-free solder SolderingOuter Case Removal Component Replacement and Adjustment PROCE- DurePositive Lock Connector NO-CASE Type Removal Power Transformer RemovalReinstall Magnetron RemovalControl Panel Assembly Removal Graphic Sheet and Membrane Switch ReplacementTrol Panel Assembly Removal Power Supply Cord Replacement Turntable Motor RemovalCooling FAN Motor Removal Adjustment InstallationMake Sure That the FAN Blade Rotates Smooth After Installed Make Sure That the Axis of the Shaft is not SlantedDoor Replacement After adjustment, check the followingAfter any service, make sure of the following Sealer Film Figure C-7. Door ReplacementPictorial Diagram Figure DiagramsLiquid Crystal Display Control Panel Circuit Figure S-2DIP Printed Wiring Board Figure S-3Unit CodeMeno Parts Guide Oven Parts Parts Code Price NEW Description Rank Mark Oven PartsDoor and Control Panel Parts Door and Control Panel Parts „INDEX