Actron R-430EK Service Manual

R-430EKR-430EWIn the interest of user-safety the oven should be restored to its originalcondition and only parts identical to those specified should b

8R-430EKR-430EWFigure O-2 Oven Schematic - Cooking ConditionFigure O-1 Oven Schematic - Off ConditionSCHEMATICNOTE: CONDITION OF OVEN 1. DOOR CLOSE

9R-430EKR-430EWDESCRIPTION AND FUNCTION OF COMPONENTSDOOR OPEN MECHANISMThe door is opened by pushing the open button on the controlpanel, refer to th

10R-430EKR-430EWTROUBLESHOOTING GUIDENever touch any part in the circuit with your hand or an uninsulated tool while the power supply is connected.Whe

11R-430EKR-430EWA MAGNETRON ASSEMBLY TEST1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block it open.3. Dischar

12R-430EKR-430EWB POWER TRANSFORMER TEST1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block it open.3. Discharg

13R-430EKR-430EWTEST PROCEDURESPROCEDURELETTERCOMPONENT TEST1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block

14R-430EKR-430EWTEST PROCEDURESPROCEDURELETTERCOMPONENT TEST1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block

15R-430EKR-430EWH BLOWN MONITOR FUSE TESTTEST PROCEDURESPROCEDURELETTERCOMPONENT TEST1. Disconnect the power supply cord, and then remove outer case.2

16R-430EKR-430EWThe following symptoms indicate a defective key unit.a) When touching the pads, a certain pad produces no signal at all.b) When touchi

17R-430EKR-430EWCOMPU DEFROST TESTWARNING : The oven should be fully assembled before following procedure.(1) Place one cup of water in the center of

R-430EKR-430EWPRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLEEXPOSURE TO EXCESSIVE MICROWAVEENERGY(a) Do not operate or allow

18R-430EKR-430EW 1) Disconnect the power supply cord, and then remove outer case.2) Open the door and block it open.3) Discharge high voltage capac

19R-430EKR-430EWTEST PROCEDURESPROCEDURELETTERCOMPONENT TESTChecking the initial sensor cooking conditionWarning: The oven should be fully assembled b

20R-430EKR-430EWCHECKING CONTROL UNIT(1) Disconnect the power supply cord, and then remove outer case.(2) Open the door and block it open.(3) Discharg

21R-430EKR-430EWTOUCH CONTROL PANEL ASSEMBLYOUTLINE OF TOUCH CONTROL PANEL4) Relay CircuitA circuit to drive the magnetron, fan motor, turntablemotor

22R-430EKR-430EW100 %70 %H : GNDL : -5VH : GNDL : -5VONONOFFOFF24 sec.8 sec.OFF16.7 msec.During cookingH : GNDL : -5VAB0.1 sec.2.0 sec.H : GNDL : -5VH

23R-430EKR-430EW16.7 msec.H : GNDL : -5V34 INT0 IN Signal synchronized with commercial power source frequency.This is the basic timing for time proces

24R-430EKR-430EW52 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-430EKR-430EWABSOLUTE HUMIDITY SENSOR CIRCUIT(1) Structure of Absolute Humidity SensorThe absolute humidity sensor includes two thermistorsas shown

26R-430EKR-430EW1. Precautions for Handling Electronic ComponentsThis unit uses CMOS LSI in the integral part of thecircuits. When handling these part

27R-430EKR-430EWTo 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-430EKR-430EWWARNING TO SERVICE PERSONNELMicrowave ovens contain circuitry capable of pro-ducing very high voltage and current, contact withfollowin

28R-430EKR-430EWPOWER TRANSFORMER REMOVALRe-install1. Rest transformer on the bottom plate with its primaryterminals toward the oven face plate.2.Secu

29R-430EKR-430EWCONTROL PANEL ASSEMBLY REMOVALPOSITIVE LOCK® CONNECTOR (NO-CASE TYPE) REMOVALFigure C-2. Positive lock® connector1. Disconnect the p

30R-430EKR-430EWCOOLING FAN MOTOR REMOVALREMOVAL1. Disconnect the power supply cord and then remove outercase.2. Open the door and block it open.3. Di

31R-430EKR-430EW3. Secure latch hook (with two (2) mounting screws) to ovenflange.4. Make sure that the monitor switch is operating properlyand check

32R-430EKR-430EW6. Re-install choke cover to door panel by pushing.Note: After any service to the door;(A) Make sure that door sensing switch and sec

33R-430EKR-430EW645123645123ABCDEFGHABCDEFGHFigure S-1. Pictorial DiagramHIGH VOLTAGECAPACITORHIGH VOLTAGEWIRE AH.V. RECTIFIERPOWER SUPPLY CORD 120V 6

34R-430EKR-430EW645123645123ABCDEFGHABCDEFGHFigure S-2 Power Unit Circuit+–+–+–A 1CN-AR4 27D5T1134D1D3D2D46abcdVRS1(J1)D7D81SS270A1SS270A10G471KC1 0.1

35R-430EKR-430EW645123645123ABCDEFGHABCDEFGHFigure S-3 CPU Unit CircuitC-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-430EKR-430EW645123645123ABCDEFGHABCDEFGHFigure S-5 Printed Wiring Board of Power UnitWH - 1SH - BSH - A1C3C4C5R3C2FC110D4D2D1D3(J1)D9(D10)RY3(CN -

37R-430EKR-430EWREF. NO. PART NO. § DESCRIPTION Q'TY CODEPARTS LISTNote: The parts marked “∆” may cause undue microwave exposure.The parts marked

2R-430EKR-430EWMICROWAVE MEASUREMENT PROCEDUREA. Requirements:1) Microwave leakage limit (Power density limit): The power density of microwave radiati

38R-430EKR-430EWREF. NO. PART NO. § DESCRIPTION Q'TY CODE∆∆∆∆∆∆∆4- 3 PHOK-B018MRF0 M Latch hook 1 AF4- 4 MLEVPB016MRF0 M Switch lever 1 AD4- 5

39R-430EKR-430EW645123645123ABCDEFGHABCDEFGHOVEN AND CABINET PARTS2-34-76-71-54-64-84-117-27-101-154-96-106-56-42-17-101-124-107-27-24-31-137-37-61-10

40R-430EKR-430EW645123645123ABCDEFGHABCDEFGHCONTROL PANEL PARTSDOOR PARTSMISCELLANEOUSActual wire harness may be different from illustration.6-36-26-1

41R-430EKR-430EWPACKING AND ACCESSORIESNon-replaceable items.DOOR PROTECTION SHEETPLASTIC BAGPACKING CASETOP PAD ASSEMBLYINTO THE OVEN CAVITY6-5 TURN

42R-430EKR-430EW'01 SHARP CORP. (5M2.60E) Printed in U.S.ACOPYRIGHT © 2001 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publication ma

3R-430EKR-430EWSHARP ELECTRONICS CORPORATIONSHARP PLAZA, MAHWAH,NEW JERSEY 07430-2135SERVICE MANUALMICROWAVE OVENR-430EK/EWFOREWORDThis Manual has bee

4R-430EKR-430EWITEM DESCRIPTIONPower Requirements 120 Volts / 13.8 Amperes/1650Watts60 HertzSingle phase, 3 wire groundedPower Output 1200 watts (IEC-

5R-430EKR-430EWadapter properly grounded and polarized. If the extension cord must beused, it should be a 3-wire, 15 amp. or higher rated cord. Do not

6R-430EKR-430EWOPERATIONDESCRIPTION OF OPERATING SEQUENCEThe following is a description of component functions duringoven operation.OFF CONDITIONClosi

7R-430EKR-430EW SENSOR COOKING CONDITIONUsing the SENSOR function, food is cooked without figuringtime, power level or quantity. When the oven sense