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R-3S68

PACKING AND ACCESSORIES

HOW TO ORDER REPLACEMENT PARTS

To have your order filled prompty and correctly, please furnish the following information.

1. MODEL NUMBER

2. REF. NO.

3. PART NO.

4. DESCRIPTION

DOOR PROTECTION SHEET

SPADPA204WRE0

TOP PAD ASSEMBLY

FPADBA311WRK0

PLASTIC BAG

SSAKHA034WRE0

Not replaceable items.

PACKING CASE
SPAKCC764 WRE0

BOTTOM PAD ASSEMBLY

FPADBA312WRK0

TURNTABLE TRAY

OPERATION MANUAL

ROLLER STAY

SHRINK WRAP BAG

TRAY PAD

SPADFA257WRE0

INTO THE
OVEN CAVITY

COOK BOOK

WARRANTY CARD

VIDEO TAPE

Содержание R-3S68

Страница 1: ... OVEN TABLE OF CONTENTS Page CAUTION MICROWAVE RADIATION 1 WARNING 1 PRODUCT SPECIFICATIONS 2 GENERAL INFORMATION 2 APPEARANCE VIEW 3 OPERATION SEQUENCE 4 FUNCTION OF IMPORTANT COMPONENTS 5 SERVICING 6 TEST PROCEDURE 8 TOUCH CONTROL PANEL 14 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 18 MICROWAVE MEASUREMENT 24 WIRING DIAGRAM 25 PICTORIAL DIAGRAM 26 CONTROL PANEL CIRCUIT 27 PRINTED WIRING BOAR...

Страница 2: ...R 3S68 ...

Страница 3: ...sed to the microwave energy which may radiate from the magnetron or other microwave generating devices if it is improperly used or connected All input and output microwave connections waveguides flanges and gaskets must be secured Never operate the device without a microwave energy absorbing load attached Never look into an open waveguide or antenna while the device is energized WARNING Never oper...

Страница 4: ...ouch Control System Clock 1 00 12 59 Timer 0 99 minutes 90 seconds Microwave Power for Variable Cooking Repetition Rate HIGH Full power throughout the cooking time MEDIUM HIGH approx 70 of Full Power MEDIUM approx 50 of Full Power MEDIUM LOW approx 30 of Full Power LOW approx 10 of Full Power TIME pads AUTO COOK pad AUTO DEFROST pad STOP CLEAR pad POWER LEVEL SERVE pad INSTANT COOK START pad Set W...

Страница 5: ...RVE START AUTO COOK A1 A2 A3 A4 A5 A6 A7 A8 TIME PADS Press to enter cooking time or clock time INSTANT COOK START PAD Press once to cook for 1 minute at 100 or increase by 1 minute multi ples each time this pad is pressed during cooking Press to start oven after setting pro grammes POWER LEVEL SERVE PAD Press to set clock Press to select microwave power setting If not pressed 100 is automati call...

Страница 6: ...o the following condition CONDITION DURING DOOR OPEN SWITCH CONTACT COOKING NO COOKING 1st latch switch COM NO Closed Open 2nd interlock relay control switch COM NO Closed Open Monitor switch COM NC Open Closed The circuits to the power transformer fan motor and turntable motor are cut off when the 1st latch switch and 2nd interlock relay control switch are made open The oven lamp remains on even ...

Страница 7: ...blows to prevent an electric shock or fire hazard THERMAL CUT OUT TC 145 C MG This thermal cut out protects the magnetron against over heating If the temperature goes up higher than 145 C because the fan motor is interrupted the ventilation open ings are blocked the thermal cut out will open and the line voltages to the power transformer will be cut off and the operation of the magnetron will be s...

Страница 8: ...nd reconnect the leads to the primary of the power transformer REMEMBER TO CHECK 4R 1 Reconnectallleadsremovedfromcomponentsduring testing 2 Replace the outer case cabinet 3 Reconnect the supply 4 Run the oven Check all functions Microwave ovens should not be run empty To test for the presence of microwave energy within a cavity place a cup of cold water on the oven turntable close the door and se...

Страница 9: ...op erly when STOP CLEAR pad is touched Oven lamp does not light at door opened Display appears Oven does not start when the START pad is touched Display appears Oven lamp does not light Display appears Fan motor does not operate Dis play appears Turntable motor assembly does not operate Display appears Oven or any electrical parts does not stop when cooking time is 0 or STOP CLEAR pad is touched O...

Страница 10: ...x t 4 187 V x T P W 4 187 x V x T t Our condition for water load is as follows Room temperature around 20 C PowersupplyVoltage Ratedvoltage Water load 1000 g Initial temperature 10 2 C Heating time 49 sec P 85 x T Measuring condition 1 Container The water container must be a cylindrical borosilicate glass vessel having a maximum material thickness of 3 mm and an outside diameter of approximately 1...

Страница 11: ...ncluding the magnetron filament CARRY OUT 3D CHECKS Disconnect the leads to the primary winding of the power transformer Disconnect the filament and secondary winding connections from the rest of the HV circuitry Using an ohmmeter set on a low range it is possible to check the continuity of all three windings The following readings should be obtained a Primary winding approx 1 4 Ω b Secondary wind...

Страница 12: ...onnection of Switch Plunger Operation COM to NO COM to NC Released O C S C Depressed S C O C COM Common terminal NO Normally open terminal NC Normally close terminal S C Short O C Open circuit If incorrect readings are obtained make the necessary switch adjustment or replace the switch CARRY OUT 4R CHECKS F THERMAL CUT OUT TEST CARRY OUT 3D CHECKS Disconnect the leads from the terminals of the the...

Страница 13: ... switch monitor switch and monitor resistor If the fuse M8A is blown by incorrect door switching replace the defective switch s and the fuse M8A CARRY OUT 4R CHECKS CAUTION ONLY REPLACE FUSE M8A WITH THE CORRECT VALUE REPLACEMENT J TOUCH CONTROL PANEL ASSEMBLY TEST The touch control panel consists of circuits including semiconductors such as LSI ICs etc Therefore unlike conventional microwave oven...

Страница 14: ... the pins that correspond to the STOP CLEAR tact switch making momentary contact If the control unit responds by clearing with a beep the tact switch is faulty and must be replaced If the control unit does not respond it is a faulty and must be replaced If a specific pad does not respond the above method may be used after clearing the control unit to determine if the control unit or tact switch is...

Страница 15: ...n below for repair Problem POWER ON indicator does not light up CARRY OUT 3D CHECKS STEPS OCCURANCE CAUSE OR CORRECTION 1 The rated voltage is not applied to POWER Check supply voltage and oven main unit terminal of CPU connector CN A 2 The rated voltage is applied to primary side Low voltage transformer or secondary circuit defective of low voltage transformer Check and repair 3 Only pattern at a...

Страница 16: ... IC1 4 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 TOUCH CONTROL PANEL ASSEMBLY OUTLINE OF TOUCH CONTROL PANEL 5 ACL Circuit A circuit to generate a signals which resets the LSI to the initial state when power is supplied 6 Bu...

Страница 17: ...Digit selection signal Refer to the touch control panel circuit about the relation between signals and digits Normally one pulse is output in every synchronized signal period and input to the light emitting diode 10 AIN3 IN Terminal to change cooking constant 11 R50 OUT Segment data signal Signal similar to R70 12 13 R51 R52 OUT Segment data signal Refer to the touch control panel circuit for the ...

Страница 18: ...signal out of R61 R63 will be input into R82 23 R83 IN Signal coming from touch tact switch When either one of resistor R82 line switches on switch matrix is touched a corresponding signal out of R61 R63 will be input into R83 24 R90 OUT Terminal not used 25 R91 OUT Oven lamp turntable motor and cooling fan motor driving signal Square Waveform 50Hz To turn on and off the control relay The pulse si...

Страница 19: ...nel while keeping it connected to the oven B On some models the power supply cord between the touch control panel and the oven proper is long enough that they may be separated from each other For those models therefore it is possible to check and repair the controls of the touch control panel while keeping it apart from the oven proper in this case you must short both ends of the door sensing swit...

Страница 20: ...rews from rear and along the right side edge of case 4 Slide the entire case back about 3cm to free it from retaining clips on the cavity face plate 5 Lift the entire case from the unit 6 Discharge the H V capacitor before carrying out any further work 7 Do not operate the oven with the outer case removed N B Step 1 2 and 6 form the basis of the 3D checks CAUTION DISCHARGE HIGH VOLTAGE CAPACITOR B...

Страница 21: ...MLY WITH A GROUNDING SCREW 1 CARRY OUT 3D CHECKS 2 Disconnect the high voltage wire of the high voltage rectifier assembly from the magnetron 3 Remove one 1 screw holding capacitor holder to oven cavity rear plate 4 Remove one 1 screw holding high voltage rectifier assembly to capacitor holder 5 Disconnect rectifier terminal from capacitor 6 Now high voltage rectifier assembly is free POSITIVE LOC...

Страница 22: ...n the rotor and the stator of the fan motor because the rotor is easily shaven by pliers and metal pieces may be produced Do not touch the pliers to the coil of the fan motor because the coil may be cut or injured Do not disfigure the bracket by touching with the pliers 2 Remove the fan blade from the shaft of the fan motor by pulling and rotating the fan blade with your hand 3 Now the fan blade w...

Страница 23: ...wer supply cord from the rear cabinet 6 Now the power supply cord is free Re install 1 Insert the moulding cord stopper of power supply cord into the square hole of the rear cabinet 2 Install the earth wire lead of power supply cord to the bottom plate rirgt with one 1 screw and tight the screw 3 Connect the brown wire lead of power supply cord to the fuse holder correctly referring to the Pictori...

Страница 24: ... tabs of door frame to two 2 holes of door screen 2 Re install latch spring to the head Re install latch spring tothedoorframe Re installlatchheadtothedoorframe 3 Re install door panel to door frame by fitting nine 9 tabs of door frame to nine 9 holes of door panel 4 Hold the door panel to the door frame with two 2 screws 5 Put sealer film on door panel Refer to Sealer Film about how to handle new...

Страница 25: ...h 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 occasionalappearanceofmoisture light or sensing of gentle warm air movement...

Страница 26: ...crowave ovens must be used for testing Recommended instruments are NARDA 8100 NARDA 8200 HOLADAY HI 1500 SIMPSON 380M 2 Place the oven tray into the oven cavity 3 Place the load of 275 15ml of water initially at 20 5 C in the centre of the oven tray The water container should be a low form of 600 ml beaker with inside diameter of approx 8 5cm and made of an electrically non conductive material suc...

Страница 27: ...UNIT THERMAL CUT OUT 145 MG THERMAL CUT OUT 95 C FAN 1ST LATCH SWITCH B1 B2 A5 A3 EARTH BLU BRN 220 V 50Hz OL FM TTM N O RY 1 G Y COM FUSE M8A A1 THERMAL CUT OUT 145 C OVEN RY 2 MONITOR RESISTOR 0 8 20W 2ND INTERLOCK RELAY CONTROL SWITCH 2ND INTERLOCK RELAY POWER TRANSFORMER MAGNETRON H V RECTIFIER CAPACITOR 1 07µ AC2100V TURNTABLE MOTOR FAN MOTOR OVEN LAMP MONITOR SWITCH CONTROL UNIT THERMAL CUT ...

Страница 28: ...NO CN B RY2 2 1 GRN GRY CN A 1 2 3 4 5 WHT RED GRY ORG BLK GRY GRN GRY WHT GRY BLK GRY BLUE MARK BLK BLK THERMAL CUT OUT OVEN FAN MOTOR RED BLK WHT GRY CN B WHT WHT GRN GRN 5 1 ORG GRY GRY OVEN SIDE WHT WHT THERMAL CUT OUT FAN BLK RED THERMAL CUT OUT MAGNETRON WHT MONITOR RESISTOR RED GRY RED BRN FUSE M8A CN A WHT RED MONITOR SWITCH BLU BRN EARTH HIGH VOLTAGE COMPONENTS NEUTRAL LIVE G Y POWER SUPP...

Страница 29: ... 50v C21 10µ 35v Q20 KRA101M Q21 KRC243M Q22 KRA223M R20 15k R31 4 7k R30 15k C30 0 1µ 50v R60 150 R61 150 R62 150 R63 150 R64 150 R65 150 R66 150 R67 150 R68 120 4 3 2 1 a b c d e f g h i D58 D57 D56 SW1 10 MIN 1 MIN 10 SEC AUTO COOK STOP CLEAR SERVE POWER LEVEL AUTO DEFROST SW2 SW3 SW4 SW5 SW6 SW7 SW8 R80 100k R81 100k R82 100k R53 R60 R61 R62 R63 INT2 R81 R82 R83 R90 R91 R92 KE0 VDD VSS PULSE R...

Страница 30: ... B E Q2 ZD1 R1 C3 6 C13 C12 1 R64 R65 R66 R67 R68 R30 9 10 28 15 14 IC1 CF1 11 SW4 12 13 14 J3 C6 R10 R20 C15 15 16 17 18 SW5 R80 R81 R82 SW6 SW7 SW8 R31 19 20 21 E B Q40 B E Q10 C11 C10 C30 22 23 24 25 C14 C8 RY2 27 28 29 30 31 32 R40 SP40 Q1 33 34 C5 C7 D1 C1 D3 D2 E Q22 B C2 C4 C21 Q21 E B D20 B E Q20 C20 RY1 36 35 D21 1 2 5 4 3 T1 J1 CN A D22 VRS1 CN B 2 1 D30 LEAD WIRE LEAD WIRE GREEN 1 3 5 P...

Страница 31: ...Capacitor 0 1uF 50V 1 AC C10 VCTYF31HF103Z Capacitor 0 01uF 50V 1 AB C11 VCKYD11CY103N Capacitor 0 01uF 16V 1 AH C12 RC KZA132DRE0 Capacitor 0 1uF 50V 1 AC C20 VCEAB31HW104M Capacitor 0 1uF 50V 1 AM C21 VCEAB31VW106M Capacitor 10uF 35V 1 AB C30 RC KZA132DRE0 Capacitor 0 1uF 50V 1 AC CF1 RCRS A012DRE0 Ceramic resonator CST4 00MGW 1 AD D1 RSRCDA013DRE0 Diode bridge S1NB10 1 AG D2 3 VHD11ES1 1 Diode ...

Страница 32: ...n 1 AK 4 19 PCUSUA278WRP0 Cushion 1 AC DOOR PARTS 5 1 FDORFA283WRT0 Door panel 1 AY 5 2 PSHEPA382WRE0 Sealer film 1 AH 5 3 GCOVHA342WRF0 Choke cover 1 AM 5 4 GWAKPA348WRR0 Door frame 1 AN 5 5 HPNL A586WRE0 Door screen 1 AQ 5 6 LSTPPA139WRF0 Latch head 1 AF 5 7 MSPRTA084WRE0 Latch spring 1 AB 5 8 PCUSUA452WRP0 Cushion 2 AB 5 9 XCPSD40P06000 Screw 4mm x 6mm 2 AA MISCELLANEOUS 6 1 FROLPA057WRK0 Rolle...

Страница 33: ...DEL NUMBER 2 REF NO 3 PART NO 4 DESCRIPTION DOOR PROTECTION SHEET SPADPA204WRE0 TOP PAD ASSEMBLY FPADBA311WRK0 PLASTIC BAG SSAKHA034WRE0 Not replaceable items PACKING CASE SPAKCC764 WRE0 BOTTOM PAD ASSEMBLY FPADBA312WRK0 TURNTABLE TRAY OPERATION MANUAL ROLLER STAY SHRINK WRAP BAG TRAY PAD SPADFA257WRE0 INTO THE OVEN CAVITY COOK BOOK WARRANTY CARD VIDEO TAPE ...

Страница 34: ...3 1 12 4 13 4 12 4 11 1 4 7 1 1 3 7 6 6 10 7 6 7 3 6 14 1 9 1 17 4 2 7 2 1 5 1 1 7 6 4 6 7 3 1 4 4 10 1 1 1 2 7 5 7 5 4 1 7 1 4 3 7 1 4 4 6 2 6 1 1 7 1 16 6 11 4 7 2 4 7 5 7 5 7 6 2 2 2 4 7 5 2 3 4 9 7 1 1 14 4 14 4 8 4 5 7 4 1 11 7 8 1 10 4 18 4 19 6 15 7 1 1 9 4 17 x2 1 15 7 3 7 1 4 15 4 16 1 8 7 2 7 7 A A 7 6 1 6 6 8 ...

Страница 35: ...TS 3 2 1 3 3 3 4 3 2 3 1 3 5 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 MISCELLANEOUS DOOR PARTS 5 2 5 3 5 1 5 5 5 6 5 7 5 4 5 9 5 9 5 8 5 8 Actual wire harness may be different from illustration 6 4 6 12 6 7 6 5 6 6 ...

Страница 36: ...34 R 3S68 96SHARP CORP 3U0 07E Printed in Japan ...

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