Sharp Carousel R-210D Service Manual Download Page 27

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R-210D

NOTE: " " indicates components with potential above 250V.

Figure O-1 Oven Schematic-OFF Condition

Figure O-2 Oven Schematic-ON Condition

SCHEMATIC

NOTE: CONDITION OF OVEN
1. DOOR CLOSED.

SCHEMATIC

NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME PROGRAMMED.

POWER TRANSFORMER

MAGNETRON

H.V. RECTIFIER

CAPACITOR

0.94

AC2000V

TURNTABLE MOTOR

FAN MOTOR

OVEN LAMP

STOP

SWITCH

MONITOR SWITCH

CONTROL

UNIT

THERMAL
CUT-OUT
125˚C (OVEN)

1ST. LATCH
SWITCH

TTM

THERMAL
CUT-OUT
95˚C (MG)

N.O.

RY-1

COM.

RY-2

2ND. LATCH
SWITCH

MONITOR

RESISTOR

0.8/20W

EARTH

230 - 240V

50Hz

BLU

BRN

LIVE

NEUTRAL

G-Y

FUSE

M8A

LINE CROSS CAPACITOR

0.068

/AC250V

NOISE SUPPRESSION COIL

LINE BYPASS

CAPACITOR

0.0022

/AC250V

LINE BYPASS

CAPACITOR

0.0022

/AC250V

NOISE FILTER

H.V. FUSE

0.6A

POWER TRANSFORMER

MAGNETRON

H.V. RECTIFIER

CAPACITOR

0.94

AC2000V

H.V. FUSE

0.6A

TURNTABLE MOTOR

FAN MOTOR

OVEN LAMP

STOP

SWITCH

MONITOR SWITCH

CONTROL

UNIT

THERMAL
CUT-OUT
125˚C (OVEN)

1ST. LATCH
SWITCH

TTM

THERMAL
CUT-OUT
95˚C (MG)

N.O.

RY-1

COM.

RY-2

2ND. LATCH
SWITCH

MONITOR

RESISTOR

0.8/20W

EARTH

230 - 240V

50Hz

BLU

BRN

LIVE

NEUTRAL

G-Y

FUSE

M8A

LINE CROSS CAPACITOR

0.068

/AC250V

NOISE SUPPRESSION COIL

LINE BYPASS

CAPACITOR

0.0022

/AC250V

LINE BYPASS

CAPACITOR

0.0022

/AC250V

NOISE FILTER

Summary of Contents for Carousel R-210D

Page 1: ...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 BOARD 28 PARTS LIST 29 SHARP CORPORATION SERVICE MANUAL MED MED LOW DEFROST LOW MED HIGH HIGH 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 20 25 30 1 0 0 5 DEFROST kg DINNER PLATE REHEAT 1...

Page 2: ...R 210D ...

Page 3: ...microwave energy absorbing load attached Never look into an open waveguide or antenna while the device is energized WARNING Never operate the oven until the following points are ensured A The door is tightly closed B The door brackets and hinges are not defective C The door packing is not damaged D The door is not deformed or warped E There is not any other visible damage with the oven Servicing a...

Page 4: ...RF microwave energy IEC Test Procedure Operating frequency 2450 MHz Case Dimensions Width 460 mm Height 290 mm including foot Depth 372 mm Cooking Cavity Dimensions Width 314 mm Height 228 mm Depth 329 mm Turntable diameter 295mm Control Complement Light up dial timer 30 minutes Microwave Power for Variable Cooking Repetition Rate HIGH Full power throughout the cooking time MEDIUM HIGH approx 70 o...

Page 5: ...NER PLATE REHEAT 1 SERVE 400g SOUP DEFROST FRESH VEGETABLES MED 7 8min REHEAT 1 cup 250ml HIGH 2 21 2min COOK 250g Check chart in Operation Manual HIGH 3 4min Light Up Dial POWER LEVEL INDICATOR POWER LEVEL BUTTON There are five power levels The approximate percentage of microwave power for each setting is HIGH 100 MED HIGH MEDIUM HIGH 70 MED MEDIUM 50 MED LOW DEFROST 30 MEDIUM LOW DEFROST LOW 10 ...

Page 6: ...ION DURING DOOR OPEN SWITCH CONTACT COOKING NOCOOKING 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 turn table motor and the oven lamp are cut off when the 1st latch switch 2nd latch switch and stop switch are made open 6 MONITOR SWITCH CIRCUIT The monitor sw...

Page 7: ...e oven catch fire due to over heating produced by improper setting of cook time or failure of control unit Under normal operation the thermal cut out remains closed However whenabnormallyhightemperaturesare reached within the oven cavity the thermal cut out will open at 125 C causing the oven to shut down The defective thermal cut out must be replaced with a new one THERMAL CUT OUT 95 C MAGNETRON ...

Page 8: ...d carry out 3D checks and reconnect the leads to the primary of the power transformer REMEMBER TO CHECK 4R 1 Reconnect all leads removed from components during 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 tu...

Page 9: ...ven does not start when the Light Up Dial is set Ovenlampdoesnotlight Other function is normal Fan motor does not operate Other function is normal Turntable motor does not op erate Other function is nor mal Oven or any electrical parts does not stop when cooking time is 0 or STOP CLEAR pad is touched Oven seems to be operating but little or no heat is produced in oven load Microwave power level is...

Page 10: ...r to the start of the test 3 Temperature of the water The initial temperature of the water is 10 2 C 4 Select the initial and final water temperature so that the maximum difference between the final water temperature and the ambient temperature is 5 C 5 Selectstirringdevicesandmeasuring instruments inorderto minimizeadditionorremoval ofheat 6 The graduation of the thermometer must be scaled by 0 1...

Page 11: ...10 C Measured output power The equation is P 80 x T P 80 x 10 C 800 Watts JUDGMENT The measured output power should be at least 15 of the rated output power CAUTION 1 C CORRESPONDS TO 80 WATTS REPEAT MEASUREMENT IF THE POWER IS INSUFFICIENT a Primary winding 1 8 ohms approximately b Secondary winding 132 ohms approximately c Filament winding less than 1 ohm C HIGH VOLTAGE RECTIFIER ASSEMBLY TEST H...

Page 12: ...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 circuit O C Open circuit If incorrect readings are obtained make the necessary switch adjustment or replace the switch CARRY OUT 4R CHECKS F MONITOR RESISTOR TEST CARRY OUT 3D CHECKS Disconnect the leads from the monitor resistor Using an ohmmeter and set on a low range Check be...

Page 13: ...CARRY OUT 4R CHECKS CAUTION Only replace fuse with the correct value replacement Table Resistance of Motor Motors Resistance Fan motor Approximately 390 ohms Turntable motor Approximately 12 kohms If incorrect readings are obtained replace the motor CARRY OUT 4R CHECKS J NOISE FILTER TEST CARRY OUT 3D CHECKS Disconnect the leads from the terminals of the noise filter Using an ohmmeter check betwee...

Page 14: ...me can not be set d Power level can not be set M TACT SWITCH TEST 1 CARRY OUT 3D CHECKS 2 Remove the control unit from the control panel 3 By using an ohmmeter check the tact switch operation 4 When the tact switch is not depressed an ohmmeter should indicate an open circuit When the tact switch is depressed an ohmmeter should indicate a short circuit If improper operation is indicated the tact sw...

Page 15: ...ge and oven power cord Power terminal of CPU connector CN A 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 REPAIR 4 Pattern at a and b are broken Insert the coil RCILF2003YAZZ between c and d CARRY OUT 3D CHE...

Page 16: ...uched a signal is completed through the tact switch and passed back to the LSI through to perform the function that was requested Control Unit Control unit consists of LSI power source circuit synchro nizing signal circuit ACL circuit buzzer circuit encoder circuit and indicator circuit 1 LSI This LSI controls the encoder signal tact switch strobe signal relay driving signal for oven function buzz...

Page 17: ... Signal coming from encoder When the encoder is turned the contacts of encoder make pulse signals And pulse signals are input into P22 9 RESET IN Auto clear terminal Signalisinputtoresetthe LSIto the initial statewhenpoweris applied Temporarily set to L level the moment power is applied at this time the LSI is reset Thereafter set at H level 10 CNVSS IN Reference voltage input terminal A reference...

Page 18: ... P02 OUT Digit selection signal Signal is input to the anodes of the light emitting diodes LD17 LD24 25 P03 OUT Digit selection signal Signal is input to the anodes of the light emitting diodes LD1 LD8 26 P10 OUT Segment data signal Signal is input to the cathodes of the light emitting diodes LD1 LD9 LD17 and LD30 27 P11 OUT Segment data signal Signal is input to the cathodes of the light emitting...

Page 19: ...e models the power supply cord be tween the touch control panel and the oven proper is so 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 switch on PWB of the touch control panel with a jum...

Page 20: ...age rectifier assem bly 2 Hot parts Oven lamp Magnetron High voltage transformer and Oven cavity 3 Sharp edge Bottom plate Oven cavity Waveguide flange Chassis support and other metallic plate 4 Movable parts to prevent a fault Fanblade Fanmotor Switch Switchlever Open button 3 Do not catch the wire leads in the outer case cabinet 4 Insertthepositivelockconnectorcertainlyuntilitspin is locked And ...

Page 21: ...agnetron to the waveguide flange 4 Lift up magnetron with care so that the magnetron antenna is not hit by any metal object around antenna 5 Now the magnetron is free Re install 1 Re install the magnetron to the waveguide flange with MAGNETRON REPLACEMENT 1 CARRY OUT 3D CHECKS 2 Pull the wire leads from the oven lamp socket by pushing the terminal hole of the oven lamp socket with the flat type sm...

Page 22: ...ll the O ring 3 Apply the grease Shinetsu silicone grease G 420 of Sinetsu Chemical Co Ltd or Toray Silicone grease SH 14 of Toray Silicone Co Ltd to the O ring and the base of the turntable motor shaft as shown in Figure C 6 4 Re install the turntable motor with the O ring and washer to the oven cavity with the single 1 screw 5 Re connect the wire leads to the turntable motor 6 Insert the tab of ...

Page 23: ...fan blade to the fan motor shaft according to the following procedure 3 Hold the center of the bracket which supports the shaft of the fan motor on the flat table 4 Applythescrewlocktightintothehole forshaft ofthe fan blade 5 Install the fan blade to the shaft of fan motor by pushing the fan blade with a small light weight ball peen hammer or rubber mallet CAUTION Do not hit the fan blade strongly...

Page 24: ...owing adjustment should be made 2 Loosen the two 2 screws holding the latch hook to the flange of the oven front face 3 With the door closed adjust latch hook by moving it back and forth and up and down In and out play of the door allowed by the upper and lower position of the latch hook should be less than 0 5mm The horizontal position of the latch hook should be adjusted so that the monitor swit...

Page 25: ... 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 approved microwave survey meter Refer to Micro wave Measurement Procedure Note The door on a microw...

Page 26: ...rowave ovens must be used for test ing 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...

Page 27: ...TOR 0 8 20W EARTH 230 240V 50Hz BLU BRN LIVE NEUTRAL G Y FUSE M8A N L LINE CROSS CAPACITOR 0 068µ AC250V NOISE SUPPRESSION COIL LINE BYPASS CAPACITOR 0 0022µ AC250V LINE BYPASS CAPACITOR 0 0022µ AC250V NOISE FILTER H V FUSE 0 6A B3 POWER TRANSFORMER MAGNETRON H V RECTIFIER CAPACITOR 0 94µF AC2000V H V FUSE 0 6A TURNTABLE MOTOR FAN MOTOR OVEN LAMP STOP SWITCH MONITOR SWITCH CONTROL UNIT THERMAL CUT...

Page 28: ...ED WHT L WHT N C N O RED GRY BLU ORG GRY MONITOR RESISTOR STOP SWITCH WHT ORG RED BLK BLK POWER TRANSFORMER HIGH VOLTAGE FUSE BLK G Y B L U B R N EARTH LIVE N E U T R A L POWER SUPPLY CORD OVEN CAVITY BACK PLATE Black Mark NOTE Nuetral WHT wire must be connected to the terminal with black mark on the oven light socket WHT GRY WHT WHT CONTROL UNIT WHT RED RED RED ORG WHT THERMAL CUT OUT MG THERMAL ...

Page 29: ...ES Q52 DTB123ES Q53 DTB123ES Q10 DTA143ES VC D30 NOTE IF NOT SPECIFIED 1 4W 5 Q40 DTA143ES Q22 DTA143ES Q20 DTA143ES Q21 DTD143ES JD JB RY2 R1 47 1w CF1 4MHz 1 D3 2 D4 3 D5 4 D6 IC 1 IXA023DR 5 D7 6 P20 7 P21 8 17 INT1 18 AIN0 19 AIN1 20 AIN2 21 AIN3 22 P00 23 P01 24 P02 P22 JF 4 7k R31 15k Q1 2SB1238 D1 D4 1N4005E VRS1 C1 1000µ 25v J2 J3 J5 J7 JE J4 J6 C4 47µ 16v C21 10µ 35v C5 0 1µ 50v C2 0 1µ 5...

Page 30: ... R54 R52 A B C 17 18 19 R61 R60 C61 9 E E B B B E Q53 Q52 Q50 10 JE R62 14 15 16 SW1 R55 R53 C60 SP1 B B B B B B E E E E E Q40 Q2 Q1 D2 D1 T1 1 3 4 5 D4 D3 P S C10 C2 Q23 ZD1 CHINGSENG C 02V0 OL FM TTM MICRO Q20 RY3 RY2 VRS1 RY1 Q22 JB JA J2 J4 J6 C5 R31 C30 37 R20 IC 1 1 8 9 1 6 2 5 3 2 1 7 2 4 C20 41 40 DIP F 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 R56 R57 B E Q51 LD30 LD31 LD32 LD1 L...

Page 31: ... AA C3 VCKYD11CY103N Capacitor 0 01 uF 16V 1 AA C4 VCEAB31CW476M Capacitor 47 uF 16V 1 AA C5 6 RC KZA087DRE0 Capacitor 0 1 uF 50V 2 AA C10 RC KZA087DRE0 Capacitor 0 1 uF 50V 1 AA C11 VCKYD11CY103N Capacitor 0 01 uF 16V 1 AA C20 RC KZA087DRE0 Capacitor 0 1 uF 50V 1 AA C21 VCEAB31VW106M Capacitor 10 uF 35V 1 AA C30 VCKYD11CY103N Capacitor 0 01 uF 16V 1 AA C60 61 VCKYD11CY103N Capacitor 0 01 uF 16V 2...

Page 32: ... NFANJA043WRE0 Fan blade 1 AK 4 6 PDUC A694WRF0 Fan duct 1 AG 4 7 FOVN A457WRTZ Oven cavity 1 BD 4 8 GLEGPA073WRF0 Leg 1 AD 4 9 LANGTA318WRP0 Chassis support 1 AE 4 10 PCUSGA534WRP0 Cushion 1 AF 4 11 PCOVPA276WRE0 Waveguide cover 1 AM 4 12 PCUSUA500WRP0 Cushion 1 AC 4 13 PPACGA097WRE0 O ring 1 AG 4 14 PCUSUA443WRP0 Cushion 1 AE 4 15 PCUSGA353WRP0 Cushion 1 AH DOOR PARTS 5 1 FDORFA321WRT0 Door pane...

Page 33: ...ET PARTS 7 7 2 1 7 7 7 7 7 7 7 4 7 5 4 6 1 15 1 16 4 4 1 14 4 9 7 1 7 8 7 9 7 1 1 12 7 7 7 7 7 7 4 1 2 2 7 7 2 3 2 3 7 8 7 2 4 13 7 3 1 10 7 5 1 7 1 1 1 1 1 2 1 6 1 5 7 4 7 1 7 1 7 1 1 8 7 8 1 11 1 17 1 9 1 4 4 3 1 13 4 2 4 14 4 10 4 7 4 11 6 2 6 1 4 12 4 8 4 15 6 6 1 3 4 5 7 8 7 6 ...

Page 34: ...3 6 4 5 1 2 3 A B C D E F G H A B C D E F G H 5 3 5 5 5 2 5 4 5 8 5 8 6 5 6 4 5 6 5 7 5 1 6 7 3 3 3 6 Actual wire harness may be different than illustration 3 5 3 2 3 4 3 7 3 7 CONTROL PANEL PARTS DOOR PARTS MISCELLANEOUS ...

Page 35: ...UPPORT INTO THE OVEN CAVITY Not replaceable items TRAY PAD ASSY CPADBA244WRK0 PACKING CASE MICROWAVE OVEN TOP PAD ASSEMBLY FPADBA377WRK0 POLYETHYLENG BAG SSAKHA014WRE0 DOOR PROTECTION SHEET SPADPA580WRE0 SPAKCD412WREZ BOTTOM PAD ASSEMBLY FPADBA378WRK0 CABINET COVER SPADFA449WRE0 ...

Page 36: ...R 210D 34 2000SHARP CORP 5S0 730E Printed in Australia ...

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