Sharp R-1500 Outer Case Removal, Power Transformer Removal, Hood FAN Motor Removal, Re-install

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R-1500 R-1501 R-1505 R-1506

5.Pull the hood exhaust louver from the oven cavity by pushing the right and left tabs of the hood exhaust louver to remove.

6.Now, the hood exhaust louver is free.

Left tab

Hood exhaust louver

Screw

Right tab

Screw

 

 

Screw

REMOVAL OF OVEN FROM WALL (Two persons recommended to remove the oven)

1.Disconnect the power supply cord, and uncoil the power supply cord.

2.To discharge the high voltage capacitor, wait for 60 seconds.

3.Remove the turntable tray and support from the oven cavity.

4.If the exhaust damper assembly is installed, remove the one (1) screw holding the exhaust damper assembly to the rear stay, and remove the exhaust damper assembly by sliding it backward.

5.Remove the two (2) screws holding the oven (outer case

cabinet) to the top cabinet.

6.While supporting the front of the oven, pull down the two

(2) mounting levers and release the oven from the unit mounting plate.

7.Pull the power cord out of the wall cabinet and remove the oven.

8.The oven is now free and can be placed on the work surface selected for servicing the oven.

9.Installation is the reverse of this procedure.

OUTER CASE REMOVAL

Remove the oven from the wall, referring to "REMOVAL OF OVEN FROM WALL" and proceed as follows;

1.Disconnect the power supply cord.

2.Open the door and block it open.

3.To discharge the high voltage capacitor, wait for 60 seconds.

4.Remove four (4) screws holding the rear stay to the hood fan motor or the oven, and remove it.

5.Remove the six (6) screws from the rear of the outer case cabinet and one (1) screw at front.

6.Slide the outer case cabinet back about 1 inch (3 cm) to free it from retaining clips on the cavity face plate.

7.Disconnect the three (3) pin connector of the power

supply cord from the wiring harness and remove the power supply cord together with the outer case.

8.Nip the cord bushing with bushing pliers and release it from the outer case cabinet.

9.Remove the cord bushing and the power supply cord from the outer case cabinet.

10.Now, the power supply cord is free.

CAUTION: 1. DISCONNECT OVEN FROM POWER SUPPLY BEFORE REMOVING OUTER CASE.

2.DISCHARGE THE HIGH VOLTAGE CAPACITOR BEFORE TOUCHING ANY OVEN COMPONENTS OR WIRING.

POWER TRANSFORMER REMOVAL

1.Disconnect the power supply cord, remove the oven from wall, and remove outer case. (Refer to procedure of

"REMOVAL OF OVEN FROM WALL" AND "OUTER CASE REMOVAL".) And proceed as follows.

2.Open the door and block it open.

3.To discharge the high voltage capacitor, wait for 60 seconds.

4.Remove three (3) screws holding the hood intake duct R to the oven cavity top plate, the oven cavity front flange and the fan duct. And remove the hood intake duct R.

5.Disconnect main wire harness from transformer.

6.Disconnect high voltage wire A from the transformer.

7.Disconnect filament leads of transformer from the magnetron and capacitor.

8.Remove two (2) screws holding the transformer to base plate R.

Re-install

1.Install by sliding the transformer on the base plate R with its primary terminals toward the outer case.

2.Secure the transformer with two (2) screws to base plate R.

3.Re-connect wire leads (primary and high voltage) to the transformer and filament leads of transformer to magnetron and high voltage capacitor. Refer to

"PICTORIAL DIAGRAM".

4.Re-install the hood intake duct R to the oven cavity top plate, the oven cavity front flange and the fan duct with three (3) screws.

5.Re-install the outer case and check that oven is operating properly.

CAUTION: MAKE SURE THE WIRE LEADS NEVER TOUCH THE FAN BLADE.

HOOD FAN MOTOR REMOVAL

1.Disconnect the power supply cord and remove the oven from wall and remove outer case. (Refer to procedure of "Removal of Oven from Wall" and "Outer case Removal")

2.Open the door and block it open.

3.To discharge the high voltage capacitor, wait for 60 seconds.

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Contents Table of Contents 1506Before Servicing When the testing is completed Dont Touch Before ServicingRequirements Microwave Measurement ProcedureLeakage test Sharp PLAZA, Mahwah Over the Range Microwave Oven1500/ R-1501/ R-1505/ R-1506 ForewordProduct Specification General InformationDescription Grounding InstructionsOven Diagram Level Control PanelLight HI/ LO FAN HI/ LO Stop Clear Start Minute Plus Power Level P-0 to P-90 Cooking OperationDescription of Operating Sequence OFF ConditionVentilation Methods HOT AIR Exhaust Vertical VentingAIR Flow Horizontal VentingFigure O-1. Oven Schematic-Off Condition Description and Function of Components Hood FAN Motor Troubleshooting GuideHood Lamp Test Procedure Problem Possible Case Defective PartsTest Procedures Procedure Letter Component Test Magnetron Assembly TestMicrowave Output Power Power Transformer TestProcedure Letter Component Test Magnetron Temperature Fuse TestHigh Voltage Rectifier Test High Voltage Capacitor TestPrimary Interlock Switch Test Secondary Interlock System Test Door Sensing SwitchMonitor Switch Test Secondary Interlock Relay RY2Procedure Component Test Letter Blown Monitor Fuse TestHood Thermal CUT-OUT Test Hood FAN Motor TestBefore testing Touch Control Panel Assembly TestWHT 3 KEY Unit Test Procedure Letter Component Test Relay Test Foil Pattern on the Printed Wiring Board TestDefrost Center Test 1ST Stage 2ND StageQKITPB035 Steps Occurrence Cause or CorrectionDescription of LSI Touch Control Panel AssemblyLSI OUT Oven lamp, fan motor and turntable motor driving signal Signal synchronized with commercial power source frequencyInternal clock oscillation frequency input setting OUT Key strobe signalKey strobe signal Hood lamp driving signalHood motor high / low driving signal Hood motor driving signalOther Precautions ServicingShapes of Electronic Components Servicing of Touch Control PanelComponent Replacement and Adjustment Procedure Hood Exhaust Louver RemovalPower Transformer Removal Re-installPictorial Diagram Outer Case RemovalMagnetron Removal High Voltage Rectifier and High Voltage Capacitor RemovalHood FAN Thermal CUT-OUT Removal Thermal CUT-OUT Cavity RemovalTemperature Fuse Magnetron Removal Cooling FAN Motor RemovalPositive Lock Connector NO-CASE Type Removal Control Panel ASSEMBLY, Control Unit and KEY Unit RemovalPositive lock connector Turntable Motor and Food Lamp Sockets RemovalKey unit location Control Unit and KEY Unit RemovalDoor Replacement After adjustment, check the followingDoor Assembly Removal Door Assembly RE-INSTALLDoor Disassembly ReplacementDoor Frame Assembly Choke CoverControl Unit High Voltage ComponentsFigure S-2. Power Unit Circuit Circuit UnitDIP Parts List Parts marked * are used in voltage more thanElectric Parts Cabinet PartsDoor Parts Oven PartsMiscellaneous HOW to Order Replacement Parts Packing and AccessoriesSCREWS,NUTS and Washers Model NumberOven and Cabinet Parts Control Panel Parts Door Parts Miscellaneous Copyright 2001 by Sharp Corporation ALL Rights Reserved
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R-1506, R-1501, R-1505, R-1500 specifications

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