Sharp R-530EW Manuale di Servizio

43R-530EKR-530EWIn the interest of user-safety the oven should be restored to its originalcondition and only parts identical to those specified should

8R-530EKR-530EWFigure O-1. Oven Schematic-Off ConditionSCHEMATICNOTE: CONDITION OF OVEN1. DOOR CLOSED.2. CLOCK APPEARS ON DISPLAY.SCHEMATICNOTE: CONDI

9R-530EKR-530EWDESCRIPTION AND FUNCTION OF COMPONENTSDOOR OPEN MECHANISMThe door is opened by pushing the open button on thecontrol panel, refer to th

10R-530EKR-530EWTROUBLESHOOTING GUIDENever touch any part in the circuit with your hand or an uninsulated tool while the power supply is connected.Whe

11R-530EKR-530EWCK = Check / RE = ReplaceSHORT IN POWER CORDSHORT OR OPENED WIRINGMAGNETRONPOWER TRANSFORMERH.V. RECTIFIER ASSEMBLYHIGH VOLTAGE CAPAC

12R-530EKR-530EWB POWER TRANSFORMER TEST1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block it open.3. Discharg

13R-530EKR-530EWTEST PROCEDURESPROCEDURELETTERCOMPONENT TEST1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block

14R-530EKR-530EWTEST PROCEDURESPROCEDURELETTERCOMPONENT TEST1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block

15R-530EKR-530EWH BLOWN MONITOR FUSE TESTTEST PROCEDURESPROCEDURELETTERCOMPONENT TEST1. Disconnect the power supply cord, and then remove outer case.2

16R-530EKR-530EW4) Reconnect the power supply cord after the outer case is installed.5) Run the oven and check all functions.The following symptoms in

17R-530EKR-530EWTEST PROCEDURESPROCEDURELETTERCOMPONENT TESTthe above method may be used (after clearing the control unit) to determine if the control

44R-530EKR-530EWPRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLEEXPOSURE TO EXCESSIVE MICROWAVEENERGY(a) Do not operate or allo

18R-530EKR-530EWTo protect the electronic circuits, this model is provided with a fine foil pattern added to the primary onthe PWB, this foil pattern

19R-530EKR-530EWTEST PROCEDURESPROCEDURELETTERCOMPONENT TEST10) Discharge high voltage capacitor.11) Reconnect all leads removed from components durin

20R-530EKR-530EWTEST PROCEDURESPROCEDURELETTERCOMPONENT TEST9-2. Place the container on the center of tray in the oven cavity.9-3. Close the door.9-4.

21R-530EKR-530EWTOUCH CONTROL PANEL ASSEMBLYOUTLINE OF TOUCH CONTROL PANEL4) Relay CircuitA circuit to drive the magnetron, fan motor, turntablemotor

22R-530EKR-530EWLSI(IXA098DR)The I/O signal of the LSI(IXA098DR) is detailed in the following table.Pin No. Signal I/O Description1 COM5 OUT Common da

23R-530EKR-530EW34 INT0 IN Signal synchronized with commercial power source frequency.This is the basic timing for time processing of LSI.35 P07 OUT K

24R-530EKR-530EW52 NC_Terminal not used.53 XCOUT OUT Terminal not used.54 XCIN IN Connected to VC.55 NC_Terminal not used.56 VCC IN Power source volta

25R-530EKR-530EWABSOLUTE HUMIDITY SENSOR CIRCUIT(1)Structure of Absolute Humidity SensorThe absolute humidity sensor includes two thermistorsas shown

26R-530EKR-530EW1. Precautions for Handling Electronic ComponentsThis unit uses CMOS LSI in the integral part of thecircuits. When handling these part

27R-530EKR-530EWTo remove the outer case, proceed as follows.1. Disconnect the power supply cord.2. Open the oven door and block it open.3. Remove the

1R-530EKR-530EWWARNING TO SERVICE PERSONNELMicrowave ovens contain circuitry capable of pro-ducing very high voltage and current, contact withfollowin

28R-530EKR-530EWPOWER TRANSFORMER REMOVALReinstallation1. Rest transformer on the bottom plate with its primaryterminals toward the oven face plate.2.

29R-530EKR-530EWCONTROL PANEL ASSEMBLY REMOVALPOSITIVE LOCK® CONNECTOR (NO-CASE TYPE) REMOVALFigure C-2. Positive lock® connector1. Disconnect the p

30R-530EKR-530EWCOOLING FAN MOTOR REMOVALREMOVAL1. Disconnect the power supply cord and then removeouter case.2. Open the door and block it open.3. Di

31R-530EKR-530EWDOOR REPLACEMENT1. Disconnect the power supply cord, and then removeouter case.2. Open the door and block it open.3. Discharge high vo

32R-530EKR-530EWNote: The door on a microwave oven is designed to act asan electronic seal preventing the leakage ofmicrowave energy from oven cavity

33R-530EKR-530EW645123645123ABCDEFGHABCDEFGHFigure S-1. Pictorial DiagramHIGH VOLTAGECAPACITORHIGH VOLTAGEWIRE AH.V. RECTIFIERPOWER SUPPLY CORD 120V 6

34R-530EKR-530EW645123645123ABCDEFGHABCDEFGHFigure S-2. Power Unit Circuit+–+–+–A 1CN-AR4 27D5T1134D1D3D2D46abcdVRS1(J1)D7D81SS270A1SS270A10G471KC1 0.

35R-530EKR-530EWFigure S-3 LSI Unit Circuit645123645123ABCDEFGHABCDEFGHC-10C-9C-1C-8C-12F-1F-2F-3G 1 G 2 G 3 G 4 G 5 G 6 G 7 G 8G 9G10G11G12G13G14C-11

36R-530EKR-530EW645123645123ABCDEFGHABCDEFGHFigure S-4. Printed Wiring Board of Power UnitWH - 1SH - BSH - A1C3C4C5R3C2FC110D4D2D1D3(J1)D9(D10)RY3(CN

37R-530EKR-530EW∆REF. NO. PART NO. § DESCRIPTION Q'TY CODEPARTS LISTNote: The parts marked “∆” may cause undue microwave exposure.The parts marke

2R-530EKR-530EWMICROWAVE MEASUREMENT PROCEDUREA. Requirements:1) Microwave leakage limit (Power density limit): The power density of microwave radiati

38R-530EKR-530EW∆∆∆∆*REF. NO. PART NO. § DESCRIPTION Q'TY CODE4- 6 NFANPB006MRE0 M Fan blade 1 AC4- 7 PDUC-B088MRF0 M Fan duct 1 AC4- 8 -------

39R-530EKR-530EW645123645123ABCDEFGHABCDEFGHOVEN AND CABINET PARTS2-34-76-71-54-64-84-117-67-21-154-96-116-36-56-42-17-61-124-104-137-27-24-31-131-107

40R-530EKR-530EW645123645123ABCDEFGHABCDEFGHActual wire harness may be different from illustration.6-96-26-15-65-83-3-13-3-23-3-43-3-3 5-45-55-23

41R-530EKR-530EWPACKING AND ACCESSORIESDOOR PROTECTION SHEETSPADP0221MRE0PLASTIC BAGSSAKHB007MRE0 PACKING CASESPAKCB309MRR3 (R-530EK)SPAKCB309MRR2 (R-

42R-530EKR-530EW2001 SHARP CORP. (3S2.530E) Printed in U.S.ACOPYRIGHT © 2001 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publication may b

3R-530EKR-530EWSHARP ELECTRONICS CORPORATIONSHARP PLAZA, MAHWAH,NEW JERSEY 07430-2135SERVICE MANUALMICROWAVE OVENR-530EK/ R-530EWFOREWORDThis Manual h

4R-530EKR-530EWITEM DESCRIPTIONPower Requirements 120 Volts / 13.8 Amperes60 HertzSingle phase, 3 wire groundedPower Output 1200 watts (IEC TEST PROCE

5R-530EKR-530EWWhere a two-pronged wall-receptacle is encountered, it is the personalresponsibility and obligation of the customer to contact a qualif

6R-530EKR-530EWOPERATIONDESCRIPTION OF OPERATING SEQUENCEThe following is a description of component functions duringoven operation.OFF CONDITIONClosi

7R-530EKR-530EWThe time of supplementary cooking is determined by experi-ment with each food category and inputted into the LSI.An example of how sens