Sharp R-1501, R-1500, R-1505, R-1506 Temperature Fuse Magnetron Removal, Cooling FAN Motor Removal

Page 30

R-1500

R-1501

R-1505

R-1506

TEMPERATURE FUSE (MAGNETRON) 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.

4.Remove the fan duct assembly from the oven cavity,

referring to the procedure of " COOLING FAN MOTOR REMOVAL".

5.Disconnect the wire leads from the temperature fuse (Magnetron).

6.Remove the one (1) screw holding the temperature fuse (Magnetron) to the fan duct.

7.Now, the temperature fuse (Magnetron) is free.

COOLING FAN MOTOR REMOVAL

1.

Disconnect the power supply cord, remove the oven

15.Remove the fan blade from the shaft of the fan motor by

 

from wall and remove outer case (Refer to procedure of

 

pulling and rotating the fan blade with your hand.

 

"Removal of Oven from Wall" and "Outer case Removal".)

16. Now, the fan blade will be free.

 

 

2.

Open the door and block it open.

 

 

 

 

 

 

CAUTION:

 

 

 

 

 

 

 

 

 

 

 

 

 

3.

To discharge the high voltage capacitor, wait for 60

*

Do not reuse the removed fan blade because the

 

seconds.

 

 

 

 

 

 

 

hole (for shaft) may be larger

than normal.

4. Remove the three (3) screws holding the hood intake duct

17.Remove the two (2) screws holding the fan motor to the

 

R to the oven cavity top plate, the oven cavity front flange

 

fan duct.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and the fan duct. And remove the hood intake duct R.

18.Now, the fan motor is free.

 

 

5. Remove the one (1) screw holding the hood duct R to the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

oven cavity top plate. And remove the hood duct R.

 

INSTALLATION

 

 

 

 

 

 

 

 

 

 

 

 

 

6.

Disconnect the wire leads from the fan motor.

 

1.

Install the fan blade to the fan motor shaft according to

7.

Disconnect the high voltage wire lead with the high

 

the following procedure.

 

 

 

voltage rectifier from the magnetron.

 

2.

Hold the center of the bracket which supports the shaft

8.

Disconnect the filament lead of the transformer from the

 

of the fan motor on the flat table.

 

 

 

high voltage capacitor.

 

 

 

 

 

 

3.

Install the fan blade to the shaft of fan motor by pushing

9.

Disconnect the high voltage wire A from the capacitor.

 

the fan blade with a small, light weight, ball peen hammer

10.Release the wire leads from the hole of the fan duct.

 

 

or rubber mallet.

 

 

11.Remove two (2) screws holding the fan duct to oven

4.

Install the fan motor to the hood duct with the two (2) screws.

 

cavity top plate and the base plate R.

 

CAUTION:

 

 

 

 

 

 

 

 

 

 

 

 

 

12. Remove the fan duct assembly from the oven cavity.

*

Do not hit the fan blade with excesive force when

13.Remove the fan blade from the fan motor shaft according

 

installing because the bracket may be disfigured.

 

the following procedure.

 

 

 

 

 

 

*

Make sure that the fan blade rotates smooth after

14.Hold the edge of the rotor of the fan motor by using a pair

 

installation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

of groove joint pliers.

 

 

 

 

 

 

*

Make sure that the axis of the shaft is not slanted.

CAUTION:

 

 

 

 

 

 

5.

Install the fan duct to the oven cavity top plate and base

*

Make sure that any pieces do not enter the gap

 

plate R with the two (2) screws.

 

 

 

between the rotor and the stator of the fan motor

6.

Reconnect the wire leads to the fan motor, magnetron

 

because the rotor is easily shaven by pliers and

 

and high voltage capacitor, referring to the pictorial

 

metal pieces may be produced.

 

 

diagram.

 

 

 

 

 

 

 

 

 

 

 

 

 

*

Do not touch the pliers to the coil of the fan motor

7.

Re-install the wire leads to the hole of the fan duct.

 

because the coil may be cut or damaged.

 

8.

Re-install the hood intake duct R to the oven cavity top

*

Do not disfigure the bracket by touching with the

 

plate, the oven cavity front flange and the fan duct with

 

pliers.

 

 

 

 

 

 

 

the three (3) screws.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.

Refer to procedure of "OUTER CASE REMOVAL". And

 

Coil

 

 

 

 

 

 

 

Groove joint pliers

 

 

 

 

 

 

 

reverse their procedure. And re-install the outer case.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Shaft

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stator

Shaft

 

 

These are the positions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gap

Axis

 

 

 

 

that should be pinched

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table

 

 

 

 

 

 

 

 

 

 

Center of

 

Bracket Rotor

Stator

 

 

with pliers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

bracket

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rear View

 

Rotor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Side View

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

28

Image 30
Contents Table of Contents 1506Before Servicing When the testing is completed Dont Touch Before ServicingMicrowave Measurement Procedure RequirementsLeakage test 1500/ R-1501/ R-1505/ R-1506 Sharp PLAZA, MahwahOver the Range Microwave Oven ForewordDescription Product SpecificationGeneral Information Grounding InstructionsOven Diagram Control Panel LevelLight HI/ LO FAN HI/ LO Stop Clear Start Minute Plus Description of Operating Sequence Power Level P-0 to P-90 CookingOperation OFF ConditionAIR Flow Ventilation Methods HOT AIR ExhaustVertical Venting Horizontal VentingFigure O-1. Oven Schematic-Off Condition Description and Function of Components Troubleshooting Guide Hood FAN MotorHood Lamp Test Procedure Problem Possible Case Defective PartsMicrowave Output Power Test ProceduresProcedure Letter Component Test Magnetron Assembly Test Power Transformer TestHigh Voltage Rectifier Test Procedure Letter Component TestMagnetron Temperature Fuse Test High Voltage Capacitor TestMonitor Switch Test Primary Interlock Switch TestSecondary Interlock System Test Door Sensing Switch Secondary Interlock Relay RY2Hood Thermal CUT-OUT Test Procedure Component Test LetterBlown Monitor Fuse Test Hood FAN Motor TestTouch Control Panel Assembly Test Before testingWHT 3 KEY Unit Test Defrost Center Test Procedure Letter Component Test Relay TestFoil Pattern on the Printed Wiring Board Test 1ST Stage 2ND StageQKITPB035 Steps Occurrence Cause or CorrectionTouch Control Panel Assembly Description of LSILSI Internal clock oscillation frequency input setting OUT Oven lamp, fan motor and turntable motor driving signalSignal synchronized with commercial power source frequency OUT Key strobe signalHood motor high / low driving signal Key strobe signalHood lamp driving signal Hood motor driving signalShapes of Electronic Components Other PrecautionsServicing Servicing of Touch Control PanelComponent Replacement and Adjustment Procedure Hood Exhaust Louver RemovalPictorial Diagram Power Transformer RemovalRe-install Outer Case RemovalHood FAN Thermal CUT-OUT Removal Magnetron RemovalHigh Voltage Rectifier and High Voltage Capacitor Removal Thermal CUT-OUT Cavity RemovalTemperature Fuse Magnetron Removal Cooling FAN Motor RemovalPositive lock connector Positive Lock Connector NO-CASE Type RemovalControl Panel ASSEMBLY, Control Unit and KEY Unit Removal Turntable Motor and Food Lamp Sockets RemovalKey unit location Control Unit and KEY Unit RemovalDoor Assembly Removal Door ReplacementAfter adjustment, check the following Door Assembly RE-INSTALLDoor Frame Assembly Door DisassemblyReplacement Choke CoverControl Unit High Voltage ComponentsFigure S-2. Power Unit Circuit Circuit UnitDIP Electric Parts Parts ListParts marked * are used in voltage more than Cabinet PartsOven Parts Door PartsMiscellaneous SCREWS,NUTS and Washers HOW to Order Replacement PartsPacking and Accessories Model NumberOven and Cabinet Parts Control Panel Parts Door Parts Miscellaneous Copyright 2001 by Sharp Corporation ALL Rights Reserved
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Manual 40 pages 37.06 Kb

R-1506, R-1501, R-1505, R-1500 specifications

The Sharp R-1500, R-1505, R-1501, and R-1506 are part of Sharp's extensive line of microwave ovens, showcasing advanced cooking technologies and user-friendly features that cater to the modern kitchen. These models are designed to provide convenience and efficiency while delivering consistent cooking results.

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