Sharp R-3C57 Скачать руководство пользователя страница 2 | Manualshive

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R-3C57

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Содержание R-3C57

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 7 TEST PROCEDURE 9 TOUCH CONTROL PANEL 16 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 20 MICROWAVE MEASUREMENT 26 WIRING DIAGRAM 27 PICTORIAL DIAGRAM 29 CONTROL PANEL CIRCUIT 31 PRINTED WIRING BOAR...

Страница 2: ...R 3C57 ...

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: ... Control System Clock 1 00 12 59 Timer 0 99 minutes 99 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 INFORMATION COOK pads HELP pad CONVENIENCE MEALS pads NUMBER pads POWER LEVEL pad MORE LESS pads TIMER pad MEM...

Страница 5: ...RE LESS PADS Press to increase decrease the time in one minute increments during cooking or to alter the doneness for the Convenience Meals or Information Cook modes STOP CLEAR PAD Press to clear during programming Press once to stop operation of oven during cooking press twice to cancel cooking programme HELP PAD Press to select information guide on off child lock or demonstration modes Press to ...

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

Страница 7: ...of D2 of the asymmetric rectifier is 1 7 KV D1 and D2 of the asymmetric rectifier or high voltage rectifier are shorted when the each peak reverse voltage goes beyond the each rated peak reverse voltage The process of blowing the fuse M8A 1 The high voltage rectifier is shorted by any causes when microwave cooking 2 The peak reverse voltage of D2 of the rectifier goes beyond the rated peak reverse...

Страница 8: ...ermal cut out will open and switch off the oven When the oven cools itself down to 75 C the contacts of the thermal cut out will close again TURNTABLE MOTOR The turntable motor drives the turntable roller assembly to rotate the turntable FAN MOTOR The fan motor drives a blade which draws external cool air This cool air is directed through the air vanes surrounding themagnetronandcoolsthemagnetron ...

Страница 9: ...arry out 3D checks and 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 c...

Страница 10: ...R 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 Oven seems to be operat...

Страница 11: ...ws P 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 47 sec P 90 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 approximat...

Страница 12: ...with V ml rises T C during this microwave heating period the calorie of the water is V x T The formula is as follows P 8330 x T t Our condition for water load is as follows Room temperature 23 2 C Power supply Voltage Rated voltage Water load 2000 ml Initial temperature 23 1 C Heating time 1 min 51sec P 75 x T Measuring method A The two water containers must be prepared The water container must be...

Страница 13: ...ulty and should be replaced CARRY OUT 4R CHECKS C HIGH VOLTAGE RECTIFIER ASSEMBLY TEST HIGH VOLTAGE RECTIFIER TEST CARRY OUT 3D CHECKS Isolate the high voltage rectifier assembly from the HV circuit The high voltage rectifier can be tested using an ohmmeter set to its highest range Connect the ohmmeter across the terminal B C of the high voltage rectifier and note the reading obtained Reverse the ...

Страница 14: ...hort time kick and then a resistance of about 10MΩ after it has been charged D A short circuited capacitor shows continuity all the time E An open capacitor constantly shows a resistance about 10 MΩ because of its internal 10MΩ resistance F When the internal wire is opened in the high voltage capacitor shows an infinite resistance G The resistance across all the terminals and the chassis must be i...

Страница 15: ...rs Resistance Fan motor Approximately 370 Ω Turntable motor Approximately 16 08 kΩ If incorrect readings are obtained replace the motor CARRY OUT 4R CHECKS I BLOWN FUSE F M8A CARRY OUT 3D CHECKS 1 If the fuse M8A is blown there could be shorts or ground in electrical parts or wire harness Check them and replace the defective parts or repair the wire harness 2 If the fuse M8A is blown when the door...

Страница 16: ...tch stop switch operates properly that is the contacts are closed when the door is closed and open when the door is open If the door sensing switch stop switch is good disconnecct the flat ribbon cable that connects the key unit to the control unit and make sure the door sensing switch is closed either close the door or short the door sensing switch connecter Use the Key unit matrix indicated on t...

Страница 17: ...HECKS STEPS OCCURANCE CAUSE OR CORRECTION 1 The rated AC voltage is not present at Check supply voltage and oven power cord POWER terminal of CPU connector CN H 2 The rated AC voltage is present at primary Low voltage transformer or secondary circuit defective side of low voltage transformer Check and repair 3 Only pattern at a is broken Insert jumper wire J1 and solder CARRY OUT 3D CHECKS BEFORE ...

Страница 18: ...e control unit Symbol Voltage Application VC 5V LSI IC1 VP 34V Fluorescent display tube Grid and anode voltage VF1 2 2Vac Filament of fluorescent display tube VF2 VF1 to VF2 voltage 3 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 frequenc...

Страница 19: ...tion frequency input setting The internal clock frequency is set by inserting the ceramic filter oscillation circuit with respect to OSC1 terminal 9 OSC2 OUT Internal clock oscillation frequency control output Output to control oscillation input of OSC2 10 11 GND AVSS IN IN Connected to VC 2 AN0 IN Input signal which communicates the door open close information to LSI Door closed H level signal Do...

Страница 20: ...Normally one pulse is output in every synchronized signal period and input to the grid of the fluorescent display 36 R11 OUT Segment data signal Signal similar to P41 Key strobe signal Signal applied to touch key section A pulse signal is input to R00 R03 terminal while one of G7 line keys on key matrix is touched 37 R12 OUT Segment data signal Signal similar to P41 Key strobe signal Signal applie...

Страница 21: ...repair all the controls sensor related ones included of the touch control panel 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 th...

Страница 22: ...rom power supply 2 Removefour 4 screwsfromrearandtwo 2 screwsalong the right side edge of case OUTER CASE REMOVAL 3 Slide the entire case back out about 1 inch 3 cm to free it from retaining clips on the cavity face plate 4 Lift entire case from the unit CAUTION DISCONNECT OVEN FROM POWER SUP PLY BEFORE REMOVING OUTER CASE POWER TRANSFORMER REMOVAL 2 Install the terminal insulator to receptacle of...

Страница 23: ...AGE RECTIFIER MUST BE SECURED FIRMLY WITH A GROUNDING SCREW 1 CARRY OUT 3D CHECKS 2 Disconnect the high voltage of the high voltage rectifier assembly from the power transformer 3 Remove one 1 screw holding capacitor holder to oven cavity rear plate 4 Disconnect rectifier terminal from capacitor Rectifier and high voltage assembly is now free 5 Remove one 1 screw holding high voltage rectifier ass...

Страница 24: ...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 25: ...avity holding the lamp socket 4 Lift up the oven lamp socket 5 Now the oven lamp socket is free Removal 1 CARRY OUT 3D CHECKS 2 Remove the one 1 screw holding the green yellow wire to the bottom plate right 3 Disconnect the brown wire lead of the power supply cord from the fuse holder 4 Cut away the connector 5 Release the power supply cord from the rear cabinet 6 Now the power supply cord is free...

Страница 26: ... following 1 In and out play of door remains less than 0 5mm when in the latched position First check upper position of latch hook pushing and pulling upper portion of door toward the oven face Then check lower portion of the latch hook pushing and pulling lower portion of the door toward the oven face Both results play in the door should be less than 0 5mm 2 The 2nd latch switch and stop switch i...

Страница 27: ...e following 1 Door latch heads smoothly catch latch hook through latch holes and that latch head goes through center of latch hole 2 Deviation of door alignment from horizontal line of cavity face plate is to be less than 1 0mm 3 Door is positioned with its face pressed toward cavity face plate 4 Check for microwave leakage around door with an approvedmicrowavesurveymeter RefertoMicrowave Measurem...

Страница 28: ...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 29: ... O RY 1 G Y COM FUSE M8A A1 THERMAL CUT OUT 145 C OVEN RY 2 2ND LATCH SWITCH MONITOR RESISTOR 0 8 20W POWER TRANSFORMER MAGNETRON H V RECTIFIER ASYMMETRIC RECTIFIER CAPACITOR 1 07µ AC2100V TURNTABLE MOTOR FAN MOTOR OVEN LAMP STOP SWITCH MONITOR SWITCH CONTROL UNIT THERMAL CUT OUT 145 MG THERMAL CUT OUT 95 C FAN 1ST LATCH SWITCH B1 B2 A5 A3 OL FM TTM N O RY 1 COM A1 THERMAL CUT OUT 145 C OVEN RY 2 ...

Страница 30: ...N 1ST LATCH SWITCH B1 B2 A5 A3 EARTH BLU BRN 240V 50Hz OL FM TTM N O RY 1 G Y COM FUSE M8A A1 THERMAL CUT OUT 145 C OVEN RY 2 2ND LATCH SWITCH MONITOR RESISTOR 0 8 20W POWER TRANSFORMER MAGNETRON H V RECTIFIER ASYMMETRIC RECTIFIER CAPACITOR 1 07µ AC2100V TURNTABLE MOTOR FAN MOTOR OVEN LAMP STOP SWITCH MONITOR SWITCH CONTROL UNIT THERMAL CUT OUT 145 MG THERMAL CUT OUT 95 C FAN 1ST LATCH SWITCH B1 B...

Страница 31: ...l with black mark on the oven light socket CONTROL UNIT HIGH VOLTAGE TRANSFORMER COM NO LSI CN B RY1 CN G RY2 2 1 GRN GRY CN A 1 2 3 4 5 WHT BLK WHT RED GRY ORG BLK RED BLK GRY WHT RED GRY BLK GRY BLACK MARK BLK BLK THERMAL CUT OUT OVEN FAN MOTOR RED BLK WHT GRY CN B CN A WHT WHT BLU BRN POWER SUPPLY CORD EARTH NEUTRAL LIVE GRN GRN BLK 2 1 5 1 ORG GRY GRY STOP SWITCH COM NO GRY GRN G Y WHT WHT THE...

Страница 32: ...lack mark on the oven light socket CONTROL UNIT HIGH VOLTAGE TRANSFORMER COM NO LSI CN B RY1 CN G RY2 2 1 GRN GRY CN A 1 2 3 4 5 WHT BLK WHT RED GRY ORG BLK RED BLK GRY WHT RED GRY BLK GRY BLACK MARK BLK BLK THERMAL CUT OUT OVEN FAN MOTOR RED BLK WHT GRY CN B CN A WHT WHT BLU BRN POWER SUPPLY CORD EARTH NOISE FILTER L N M8A NEUTRAL LIVE GRN GRN BLK 2 1 5 1 ORG GRY GRY STOP SWITCH COM NO GRY GRN G ...

Страница 33: ...0 1M CF1 4MHz A B C R74 100K R73 100K R75 100K R72 4 7K R71 4 7K R70 4 7K A B C Q72 Q71 Q70 R51 15K R52 15K R53 15K R54 15K R50 150K x 4 C50 330p x 4 Q70 Q72 2SA933 D R40 1K D50 G12 G11 G10 G9 G8 G7 G6 G5 G4 G3 G2 G1 D51 D52 D53 D54 D57 KEY UNIT CONTROL UNIT 1 5 10 15 20 21 42 30 22 25 35 40 IC1 IZA655DR Vdsp R00 R01 R02 R03 TEST RST OSC1 OSC2 GND AVSS AN0 AN1 AN2 R33 R40 R41 R42 R43 AVCC VCC R22 ...

Страница 34: ...32 R 3C57 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 Q22 Figure S 3 Printed Wiring Board ...

Страница 35: ...A087DRE0 Capacitor 0 1uF 50V 1 AB C2 VCEAB31VW337M Capacitor 330uF 35V 1 AC C3 VCEAB31CW476M Capacitor 47uF 16V 1 AA C4 5 VCKYD11CY103N Capacitor 0 01uF 16V 2 AH C6 VCEAB31CW476M Capacitor 47uF 16V 1 AA C7 RC KZA087DRE0 Capacitor 0 1uF 50V 1 AB C10 VCKYB11EX103N Capacitor 0 01uF 25V 1 AA C20 VCEAB31HW104M Capacitor 0 1uF 50V 1 AB C21 VCEAB31VW106M Capacitor 10uF 35V 1 AB C30 VCKYD11CY103N Capacito...

Страница 36: ...GA084WRF0 TTM packing 1 AF 4 15 LANGQA368WRP0 Fuse angle for Australia 1 AL 4 16 LANGQA343WRP0 Thermal cut out Fan mounting angle 1 AK 4 17 PCUSGA378WRP0 Cushion 1 AL 4 18 PCUSGA388WRP0 Cushion 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 Do...

Страница 37: ...LACEMENT 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 PACKING AND ACCESSORIES DOOR PROTECTION SHEET SPADPA204WRE0 TOP PAD ASSEMBLY FPADBA311WRK0 PLASTIC BAG SSAKHA034WRE0 Not replaceable items PACKING CASE SPAKCC592WRE0 Australia SPAKCC606WRE0 New Zealand BOTTOM PAD ASSEMBLY FPADBA312WRK0 6 2 TURNTABL...

Страница 38: ... 11 1 4 7 1 1 3 7 6 6 8 7 6 7 3 1 9 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 6 7 5 7 5 2 2 2 4 7 5 2 3 4 9 7 1 1 14 4 14 4 8 4 5 1 10 7 1 1 11 7 4 1 17 7 8 1 10 For New Zealand For Australia 4 18 4 19 7 1 1 9 4 17 x2 1 15 7 3 1 1 7 1 4 15 4 16 1 8 7 2 7 7 A A 7 6 6 13 6 9 1 6 ...

Страница 39: ...5 1 2 3 A B C D E F G H A B C D E F G H CONTROL PANEL PARTS 5 2 5 3 5 1 5 5 5 6 5 7 5 4 5 8 5 8 DOOR PARTS Actual wire harness may be different than illustration 6 6 6 4 6 12 6 7 6 5 MISCELLANEOUS 3 1 3 2 1 3 3 3 4 3 2 6 10 3 5 ...

Страница 40: ...38 R 3C57 95SHARP CORP 07K0 820E Printed in Australia ...

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