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R - 4 3 0 C S

REF. NO.

PART NO.

DESCRIPTION

Q'TY CODE

PARTS LIST

Note: The parts marked “

∆

” may cause undue microwave exposure.

The parts marked “*” are used in voltage more than 250V. "§" MARK: PARTS DELIVERY SECTION.

*
*

ELECTRIC PARTS

1- 1

RC-QZB018MRE0

High voltage capacitor

1- 2

FH-DZB008MRY0

High voltage rectifier assembly

1- 3

QSOCLB006MRE0

Oven lamp socket

1- 4

RLMPTA068WRE0

Oven lamp

1- 5

RMOTEA346WRE0 M

Fan motor

1- 6

QFSHDB003MRE0

Fuse holder

1- 7

FFS-BA016/KIT

Monitor switch (V-16G-2C25) and fuse assembly (20A 250V AC)

1- 8

QSW-MA085WRE0 M

Secondary interlock switch and door sensing switch (V-16G-3C25)

1- 9

QFS-TA013WRE0

Magnetron temperature fuse 150

1-10

QFS-TA014WRE0

Cavity temperature fuse 150

1-11

RV-MZA255WRE0

Magnetron

1-12

RMOTDA211/KIT

Turntable motor

1-13

RTRN-B061MRE0

Power transformer

1-14

FACCDB003WRE0

Power supply cord

1-15

FDTCTA198WRK0

AH sensor

CABINET PARTS

2- 1

GDAI-B053MRP0

Base plate

2- 2

GLEGPB004MRF0

Foot

2- 3

GCABUB091MRP0 M

Outer case cabinet

CONTROL PANEL PARTS

3- 1

CPWBFB032MRU0 M

Control unit

3- 1A

QCNCMA446DRE0

2-pin connector (CN-A)

3- 1B

QCNCMA275DRE0

2-pin connector (CN-B)

3- 1C

FW-VZB146MRE0

12Pin wire harness (CN-C)

RC-KZA087DRE0

Capacitor 0.1 uF 50V

VCEAB31VW108M

Capacitor 1000 uF 35V

RC-KZA087DRE0

Capacitor 0.1 uF 50V

C4-5

VCEAB31VW106M

Capacitor 10 uF 35V

D1-4

VHD11ES1///-1

Diode (11ES1)

D5-8

VHD1SS270A/-1

Diode (1SS270ATA)

Q1-2

VS2SB1238//-3

Transistor (2SB1238)

VSKRC243M//-3

Transistor (KRC243M)

VRD-B12EF242J

Resistor 2.4k ohm 1/4W

VRD-B12HF681J

Resistor 680 ohm 1/2W

VRD-B12HF511J

Resistor 510 ohm 1/2W

VRD-B12EF270J

Resistor 27 ohm 1/4W

VRD-B12EF472J

Resistor 4.7k ohm 1/4W

VRD-B12EF332J

Resistor 3.3k ohm 1/4W

RY1-2

RRLY-B002MRE0

Relay (DU24D1-1P(M))

RY1-2

RRLY-A113DRE0

Relay (DU24D1-1P(M)) Interchangeable

SP1

RALM-A014DRE0

Buzzer (PKM22EPT)

RTRNPB009MRE0

Transformer

VRS1

RH-VZA032DRE0

Varistor (10G471K)

ZD1

VHEHZ161///-1

Zener diode (HZ16-1)

3- 2

FPNLCB261MRK0

Control panel frame with key unit

3-2-1

FUNTKB211MRE0 M

Key unit

3-2-2

JBTN-B091MRF0

Open button

3-2-3

MSPRTA050WRE0 M

Open button spring

3- 3

LHLD-B010MRF0

LCD holder

3- 4

PSHEPB027MRE0 M

LED sheet

3- 5

XEPSD30P10XS0 M

Screw; 3mm x 10mm

∆

Содержание R-430CS

Страница 1: ...LE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY INSIDE FRONT COVER BEFORE SERVICING INSIDE FRONT COVER WARNING TO SERVICE PERSONNEL 1 MICROWAVE MEASUREMENT PROCEDURE 2 FOREWORD AND WARNING 3 PRODUCT SPECIFICATIONS 4 GENERAL INFORMATION 5 OPERATION 6 TROUBLESHOOTING GUIDE 10 TEST PROCEDURE 12 TOUCH CONTROL PANEL 21 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 27 PICTORIAL DIAGRAM 33 POWER UNIT CIRCUIT ...

Страница 2: ... and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e A microwave leakage check to verify compliance with the Federal Performance Standard should be performed on each oven prior to release to the owner BEFORE SERVICING Before servicing an operative unit perform a microwave emission check as per the Microwa...

Страница 3: ...pacitor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that the leads remain isolated from other components and oven chassis by using insulation tape 6 After that procedure reconnect the power supply cord When the testing is completed 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Reconne...

Страница 4: ...enter of the oven cavity The water container shall be a low form of 600 ml 20 oz beaker with an inside diameter of approx 8 5 cm 3 1 2 in and made of an electrically nonconductive material such as glass or plastic The placing of this standard load in the oven is important not only to protect the oven but also to insure that any leakage is measured accurately 4 Set the cooking control on Full Power...

Страница 5: ...aged D The door is not deformed or warped E There is no other visible damage with the oven Servicing and repair work must be carried out only by trained service personnel DANGER Certaininitialpartsareintentionallynotgroundedandpresent a risk of electrical shock only during servicing Service personnel Do not contact the following parts while the appliance is energized HighVoltageCapacitor PowerTran...

Страница 6: ...enter Pad Number Selection Pad Kitchen Timer Pad Clock pad Minute Plus Pad Power Level Pad Stop Clear Pad Start Touch on Pad Oven Cavity Light Safety Standard UL Listed FCC Authorized DHHS Rules CFR Title 21 Chapter 1 Subchapter J SPECIFICATION GENERAL INFORMATION GROUNDING INSTRUCTIONS This oven is equipped with a three prong grounding plug It must be plugged into a wall receptacle that is proper...

Страница 7: ...OR RE MOVE THE ROUND GROUNDING PRONG FROM THIS PLUG OVEN DIAGRAM 1 One touch door open button Push to open door 2 Door latches The oven will not operate unless the door is securely closed 3 Removable turntable support 4 Removable turntable The turntable will rotate clockwise or counterclockwise 5 Oven lamp It will light when oven is operating or door is opened 6 Oven door with see through window 7...

Страница 8: ... the turntable motor the cooling fan motor and the high voltage components are de energized the oven lamp remains on and the digital read out displays the time still remaining in the cook cycle when the door was opened 7 The monitor switch electrically monitors the operation of the secondary interlock switch and primary interlock relayandismechanicallyassociatedwiththedoorsothat it will function i...

Страница 9: ...the SENSOR pads NOTE The oven should not be operated on sensor immediately after plugging in the unit Wait two minutes before cooking on SENSOR 2 The coil of shut off relay RY 1 is energized the turntablemotorareturnedon butthepowertransformer is not turned on 3 After about 16 seconds the cook relay RY 2 is energized The power transformer is turned on microwaveenergyisproducedandfirststageisstarte...

Страница 10: ...RIMARY INTERLOCK RELAY B1 B2 GRN POWER TRANSFORMER MONITOR FUSE 20A MAGNETRON TEMP FUSE CAPACITOR 1 0µF AC 2300V AH SENSOR SCHEMATIC 3 VARIABLE COOKING CONTROL HIGH 2 COOKING TIME PROGRAMMED 1 DOOR CLOSED NOTE CONDITION OF OVEN 4 START PAD TOUCHED 120V AC 60 Hz OVEN LAMP TURN TABLE MOTOR FAN MOTOR MONITOR SWITCH H V RECTIFIER MAGNETRON SECONDARY INTERLOCK SWITCH TTM OL FM MONITOR FUSE 20A CAVITY T...

Страница 11: ...OWN MONITOR FUSE TEST THE DOOR SENSING SWITCH PRIMARY INTERLOCK RELAY RY2 RELAY RY1 SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH FOR PROPER OP ERATION REFERTOCHAPTER TESTPRO CEDURE NOTE MONITOR FUSE AND MONITOR SWITCH ARE REPLACED AS AN ASSEMBLY TURNTABLE MOTOR The turntable motor rotates the turntable located on the bottom of the oven cavity so that the foods on the turntable cook evenly during ...

Страница 12: ...016 KIT as an assembly IMPORTANT Whenever troubleshooting is performed with the power supply cord disconnected It may in some cases be necessary to connect the power supply cord after the outer case has been removed in this event 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Disconnect the leads to the primary o...

Страница 13: ... Oven goes into a cook cycle but extremely uneven heating is produced in oven load food Oven does not cook properly when programmed for Cooking Power 5 mode Operates properly on Cooking Power 10 HIGH mode Oven goes into COMPU DEFROST but food is not defrosted well AH sensor does not end during sensor cooking condition Oven does not shut off after a cup of water is boiling by sensor cooking Oven st...

Страница 14: ...E CAUTION SHOULD BE OBSERVED Power output of the magnetron can be measured by performing a water temperature rise test This test shouldonlybeusedifabovetestsdonotindicateafaultymagnetronandthereisnodefectinthefollowing componentsorwiring siliconrectifier highvoltagecapacitorandpowertransformer Thistestwillrequire a 16 ounce 453cc measuring cup and an accurate mercury thermometer or thermocouple ty...

Страница 15: ...g fan and air guide 5 Reconnect all leads removed from components during testing 6 Reinstall the outer case cabinet 7 Reconnect the power supply cord after the outer case is installed 8 Run the oven and check all functions MAGNETRON TEMPERATURE FUSE TEST 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 A continuity...

Страница 16: ...ock switch 5 Reconnect all leads removed from components during testing 6 Reinstall the outer case cabinet 7 Reconnect the power supply cord after the outer case is installed 8 Run the oven and check all functions PRIMARY INTERLOCK SYSTEM TEST DOOR SENSING SWITCH 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Iso...

Страница 17: ...ve ovens proper maintenance cannot be performed with only a voltmeter and ohmmeter In this service manual the touch control panel assembly is divided into two units Control Unit and Key Unit and also the Control Unit is divided into two units LSI Unit and Power Unit and troubleshooting by unit replacement is described according to the symptoms indicated Before testing 1 Disconnect the power supply...

Страница 18: ...oes not operate properly c Cooking is not possible When testing is completed 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Reconnect all leads removed from components during testing 5 Re install the outer case cabinet 6 Reconnect the power supply cord after the outer case is installed 7 Run the oven and check al...

Страница 19: ...with an A C voltmeter The meter should indicate 120 volts if not check oven circuit RY1 and RY2 Relay Test These relays are operated by D C voltage Check voltage at the relay coil with a D C voltmeter during the microwave cooking operation DC voltage indicated Defective relay DC voltage not indicated Check diode which is connected to the relay coil If diode is good control unit is defective RELAY ...

Страница 20: ...r the outer case is installed 9 Run the oven and check all functions 2 Followthetroubleshootingguidegivenbelow ifindicatordoesnotlightupafterabovecheckandrepairs are finished 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that these leads remai...

Страница 21: ...er in 1000 milliliters measuring cup 3 Place the container on the center of tray in the oven cavity 4 Close the door 5 Touch SENSOR REHEAT pad once and touch the start pad Now the oven is in the sensor cooking condition SENSOR REHEAT will appear in the display 6 The oven will operate for the first 16 seconds without generating microwave energy NOTE ERROR will appear if the door is opened or STOP C...

Страница 22: ...s push plunger of select switch for more than 3 seconds This condition is same as judgement by AH sensor 9 4 After approximately 3 seconds the display shows xx xx which is remaining cooking time and the display count down If the above is not the case the control unit is probably defective If the above is proper the AH sensor is probably defective 10 Disconnect the power supply cord and then remove...

Страница 23: ...he oven lamp 5 Buzzer Circuit The buzzer is responsive to signals from the LSI to emit audiblesounds keytouchsoundandcompletionsound 6 Synchronizing Signal Circuit The power source synchronizing signal is available in order to compose a basic standard time in the clock circuit It accompanies a very small error because it works on commercial frequency 7 Door Sensing Switch A switch to tell the LSI ...

Страница 24: ...touched 12 X1 IN Connected to GND 13 X2 OUT Terminal not used 14 VSS IN Power source voltage 5 0V VC voltage of power source circuit input 15 OSC2 OUT Internal clock oscillation frequency control output Output to control oscillation input of OSC2 16 OSC1 IN Internal clock oscillation frequency input setting The internal clock frequency is set by inserting the ceramic filter oscillation circuit wit...

Страница 25: ... SEG1 SEG20 OUT Terminal not used 66 79 P74 P91 OUT Data output terminal to LCD driver IC3 80 85 SEG35 SEG40 OUT Terminal not used 86 P40 OUT Terminal not used 87 P41 IN Signal similar to AN10 When either G13 line on key matrix is touched a corresponding signal will be input into P41 88 P42 IN Signal similar to AN10 When either G12 line on key matrix is touched a corresponding signal will be input...

Страница 26: ...according to the Model ByusingtheA DconvertercontainedintheLSI DCvoltageinaccordancewiththeModel in operation is applied to set up its cooking constant 99 AN8 IN Input terminal to judge the model The signal will be input into AN8 through one of G1 G8 lines on key matrix The LSI will judge the model by this signal 100 P41 IN Signal similar to AN10 When either G11 line on key matrix is touched a cor...

Страница 27: ...nit When the unit is set in the sensor cooking mode 16 seconds clearing cycle occurs then the detector circuit starts to function and the LSI observes the initial voltage available at its AN1 terminal With this voltage given the switches SW1 to SW5 in the LSI are turned on in such a way as to change the resistance values in parallel with R107 R111 of IC2 Changing the resistance value results in th...

Страница 28: ... oven door being closed Connect an external power source to the power input terminal of the touch control panel then it is possible to check and repair the controls of the touch control panel it is also possible to check the sensor related controls of the touch control panel by using the dummy resistor s 3 Servicing Tools Toolsrequiredtoservicethetouchcontrolpanelassembly 1 Soldering iron 30W Itis...

Страница 29: ... Disconnect the power supply cord 2 Make sure that a definite click can be heard when the microwave oven door is unlatched Hold the door in a closed position with one hand then push the door open button with the other this causes the latch leads to rise it is then possible to hear a click as the door switches operate 3 Visuallycheckthedoorandcavityfaceplatefordamage dents cracks signs of arcing et...

Страница 30: ...ad short one of the power transformer from the high voltage capacitor 7 Remove one 1 screw holding capacitor holder with the high voltage rectifier to the base plate 8 Disconnect rectifier terminal from capacitor High voltage rectifier assembly is now free 9 Remove capacitor holder Capacitor is now free CAUTION WHEN REPLACING HIGH VOLTAGE RECTI FIER AND HIGH VOLTAGE CAPACITOR GROUND SIDE TERMINAL ...

Страница 31: ...ft cloth not to scratch LSI UNIT NOTE Handle the LSI unit carefully so that there is no excessive force applied to the ribbon connection LSI unit 1 Disconnect the power supply cord 2 Removeturntableandturntablesupportfromovencavity 3 Lay the oven on it s backside Remove the turntable motor cover by snipping off the material in four corners 4 Where the corners have been snipped off bend corner area...

Страница 32: ...cket may be disfigured Make sure that the fan blade rotates smooth after installation Make sure that the axis of the shaft is not slanted 5 Install the fan motor to the the oven cavity back plate with the two 2 screws 6 Connect the wire leads to the fan motor referring to the pictorial diagram Side View Rear View 1 Disconnect the power supply cord and remove outer case 2 Open the door and block it...

Страница 33: ...door should be less than 0 5mm 2 The door sensing switch and secondary interlock switch interrupt the circuit before the door can be opened 3 Monitor switch contacts close when door is opened 4 Re install outer case and check for microwave leakage around door with an approved microwave survey meter Refer to Microwave Measurement Procedure DOOR REPLACEMENT REMOVAL 1 Disconnect the power supply cord...

Страница 34: ...ed toward cavity face plate 4 Check for microwave leakage around door with an approvedmicrowavesurveymeter RefertoMicrowave Measurement Procedure Note The door on a microwave oven is designed to act as an electronic seal preventing the leakage of microwave energy from oven cavity during cook cycle Thisfunctiondoesnotrequirethatdoorbeair tight moisture condensation tight or light tight Therefore oc...

Страница 35: ...socket POWER TRANSFORMER COM NO NOTE The neutral WHT GRY wire must be connected to the terminal with N mark on the power supply cord RED WHT BRN RED WHT WHT ORG WHT RED BLK RED BLU PNK GRN GRN to Oven cavity WHT WHT RED BLK WHT WHT BLUE MARK WHT RED WHT CAVITY TEMP FUSE MAGNETRON TEMP FUSE FAN MOTOR MONITOR FUSE HOLDER RED RED WHT 1 WHT GRY WHT ORG BLU GRN ORG ORG RY2 RY1 PRIMARY INTERLOCK RELAY C...

Страница 36: ...34 R 430CS 6 4 5 1 2 3 6 4 5 1 2 3 A B C D E F G H A B C D E F G H Figure S 2 Power Unit Circuit ...

Страница 37: ...35 R 430CS 6 4 5 1 2 3 6 4 5 1 2 3 A B C D E F G H A B C D E F G H Figure S 3 CPU Unit Circuit ...

Страница 38: ...36 R 4 3 0 C S 6 4 5 1 2 3 6 4 5 1 2 3 A B C D E F G H A B C D E F G H Figure s 4 Indicator circuit ...

Страница 39: ...37 R 430CS 6 4 5 1 2 3 6 4 5 1 2 3 A B C D E F G H A B C D E F G H Figure S 5 Printed Wiring Board of Power Unit ...

Страница 40: ... 1 BL 3 1A QCNCMA446DRE0 J 2 pin connector CN A 1 AC 3 1B QCNCMA275DRE0 J 2 pin connector CN B 1 AB 3 1C FW VZB146MRE0 M 12Pin wire harness CN C 1 AG C1 RC KZA087DRE0 J Capacitor 0 1 uF 50V 1 AA C2 VCEAB31VW108M J Capacitor 1000 uF 35V 1 AF C3 RC KZA087DRE0 J Capacitor 0 1 uF 50V 1 AA C4 5 VCEAB31VW106M J Capacitor 10 uF 35V 1 AF D1 4 VHD11ES1 1 J Diode 11ES1 4 AB D5 8 VHD1SS270A 1 J Diode 1SS270A...

Страница 41: ...wire harnnes 1 AU 6 3 QW QZB016MRE0 M High voltage wire A 1 AC 6 4 FROLPB025MRK0 M Turntable support 1 AN 6 5 NTNT A095WRE0 M Turntable tray 1 AM 6 6 TCAUAB037MRR0 M Monitor caution label 1 AA 6 7 TCAUAB038MRR0 M DHHS Screw caution label 1 AB 6 8 TINSEB211MRR0 M Operation manual 1 AD 6 9 TCADUB001MRP0 M RECIPE CARD 1 AC SCREWS NUTS AND WASHERS 7 1 LX BZA041WRE0 M Special screw 1 AA 7 2 LX CZ0052WR...

Страница 42: ... E F G H 2 3 4 7 6 7 1 5 4 6 4 8 4 9 6 5 6 4 2 1 7 6 1 12 4 10 7 2 7 2 7 5 4 3 1 13 7 3 7 6 1 9 7 8 7 8 4 2 7 5 1 11 1 3 1 4 7 4 1 8 1 8 4 4 7 1 4 1 1 1 1 2 2 2 2 2 2 2 2 2 7 5 7 5 4 12 7 5 6 6 1 7 1 6 4 5 1 14 7 7 7 7 7 9 7 9 7 10 4 13 OVEN AND CABINET PARTS ...

Страница 43: ...41 R 430CS 6 4 5 1 2 3 6 4 5 1 2 3 A B C D E F G H A B C D E F G H 3 5 3 2 3 2 1 3 4 3 3 3 2 2 3 2 3 3 1 5 1 1 5 3 5 2 6 3 6 2 6 1 DOOR PARTS MISCELLANEOUS CONTROL PANEL PARTS ...

Страница 44: ... PACKING AND ACCESSORIES Non replaceable items DOOR PROTECTION SHEET PLASTIC BAG PACKING CASE TOP PAD ASSEMBLY INTO THE OVEN CAVITY 6 5 TURNTABLE TRAY 6 4 TURNTABLE SUPPORT 6 8 OPERATION MANUAL TRAY PACK BOTTOM PAD ASSEMBLY TRAY HOLDER 6 9 RECIPE CARD ...

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