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R-350J

2004SHARP CORP. (8S0.CD_E)

No part of this publication may be reproduced, stored in
retrieval systems, or transmitted in any form or by any
means, electronic, mechanical, photocopying, recording,
or otherwise, without prior written permission of the publisher.

Содержание Carousel R-350J

Страница 1: ...UENCE 4 FUNCTION OF IMPORTANT COMPONENTS 5 SERVICING AND TROUBLESHOOTING GUIDE 6 TEST PROCEDURE 8 TOUCH CONTROL PANEL 13 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 18 MICROWAVE MEASUREMENT 23 WIRING DIAGRAM 24 PICTORIAL DIAGRAM 25 POWER UNIT CIRCUIT 26 CPU UNIT CIRCUIT 27 PRINTED WIRING BOARD 28 PARTS LIST 29 EXPRESS MENUS INFORMATION COOK LEVEL POWER CLOCK TIMER DEFROST EXPRESS COOK EXPRESS M...

Страница 2: ...R 350J ...

Страница 3: ... 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 and repair work must be car...

Страница 4: ...able Cooking Repetition Rate 100P Full power throughout the cooking time 70P approx 70 of Full Power 50P approx 50 of Full Power 30P approx 30 of Full Power 10P approx 10 of Full Power EXPRESS MENUS pads IINFORMATION COOK pads HEALTHY MENU pads CONVENIENCE MEALS pads REHEAT MENUS pads MORE LESS pads HELP pad NUMBER pads POWER LEVEL pad TIMER CLOCK pad STOP CLEAR pad INSTANT COOK START pad Set Weig...

Страница 5: ...S Press to increase decrease the time in one minute increments during cooking or to alter the cooking result for automatic operations 7 HELP PAD Press to select auto start child lock or demonstration mode Press to display preset menu cooking information 8 NUMBER PADS Press to enter cooking times clock time weight or quantity of food 9 POWER LEVEL PAD Press to select microwave power setting If not ...

Страница 6: ...T COOKING NOCOOKING 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 if the oven door is opened after the cooking cycle has been interru...

Страница 7: ...vents the radio frequency interference that might flow back in the power circuit DOOR OPEN MECHANISM he door is opened by pushing the open button on the control panel refer to the Figure D 1 When the open button is pushed the open button pushes up the switch lever and then the switch lever pushes up the latch head The latch heads are moved upward and released from latch hook Now the door will open...

Страница 8: ...ing is completed carry out 3D checks and reconnect the leads to the primary of the power trans former 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 wate...

Страница 9: ...e properly when STOP CLEAR pad is touched Oven lamp does not light at door opened Display ap pears Oven does not start when the START pad is touched Dis play appears Oven lamp does not light Dis play appears Fan motor does not operate Display 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 touc...

Страница 10: ...T2 Final Temperature T T2 T1 P 120 x T 0 55 x mc T2 T0 35 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 190 mm 2 Temperature of the oven and vessel The oven and the empty vessel are at ambient temperature prior to the start of the test 3 Temperature of the wate...

Страница 11: ...ould be above resistance unless the temperature of the thermal cut out in the primary coil reaches approximately 160 C The thermal cut out resets automatically at 140 C If an ohmmeter indicates an open circuit under normal condition replace the power transformer because the primary coil thermostat has opened An open primary coil thermal cut out indicates overheating of the power transformer Check ...

Страница 12: ...f the temperature fuse Then using an ohmmeter make a continuity test across the two terminals as described in the table below CARRY OUT 4R CHECKS Table Temperature fuse Test Temperature of ON condition Temperature of OFF condition Indication of ohmmeter Parts Name closed circuit C open circuit C When room temperature is approx 20 C Temperature fuse 150 C This is not resetable type Above 150 C Clos...

Страница 13: ...rol panel assembly is divided into two units Control Unit and Key Unit and also the Control Unit is divided into two units CPU Unit and Power Unit and troubleshooting by unit replacement is described according to the symptoms indicated 1 Key Unit Note Check key unit ribbon connection before replacement The following symptoms indicate a defective key unit Replace the key unit a When touching the pa...

Страница 14: ...dicate 230 240 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 SYMBOL OPERATIONAL VOLTAGE CONNECTED ...

Страница 15: ...urce circuit relay circuit buzzer circuit synchro nizing signal circuit and back light circuit 1 Reset Circuit This circuit generates a signal which resets the LSI to the initial state when power is supplied 2 Indicator Circuit This circuit consists of 40 segments and 16 common electrodes using a Liquid Crystal Display The Liquid Crystal Display LCD is drived by LCD driver IC3 3 Power Source Circu...

Страница 16: ... 28 P46 OUT Terminal not used 29 P45 OUT Oven lamp fan motor and turntable motor driving signal To turn on and off shut off relay RY1 The square waveform voltage is delivered to the RY1 driving circuit and RY2 control circuit 30 P44 OUT Magnetron high voltage circuit driving signal To turn on and off the cook relay RY2 The signals holds L level during microwave cooking and H level while not cookin...

Страница 17: ...gnal will be input into P14 47 AIN7 IN Signal similar to P17 When either G13 line on key matrix is touched a corresponding signal will be input into AIN7 48 AIN6 IN Input terminal to judge the model The signal out of P07 will be input into AIN6 through G1 line on key matrix The LSI will judge the model by this signal 49 50 P11 P10 IN Terminal not used 51 RESET IN Auto clear terminal Signal is inpu...

Страница 18: ... USING LEAD FREE SOLDER 1 Employing lead free solder The Main PWB of this model employs lead free solder This is indicated by the LF symbol printed on the PWB and in the service manual The suffix letter indicates the alloy type of the solder Example Indicates lead free solder of tin silver and copper 2 Using lead free wire solder When repairing a PWB with the LF symbol only lead free solder should...

Страница 19: ...ch control panel and the oven itself is so short that the two can t be separated For those models check and 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 it is p...

Страница 20: ...uide flange Chassis support and other metallic plate 4 Movable parts to prevent a fault Fan blade Fan motor Switch Switch lever Open button 3 Do not catch the wire leads in the outer case cabinet 4 Insert the positive lock connector certainly until its pin is locked And make sure that the wire leads should not come off even if the wire leads is pulled 5 To prevent an error function connect the wir...

Страница 21: ...ETRON BE SURE THE R F GASKET IS IN PLACE AND MOUNTING SCREWS ARE TIGHTENED SECURELY 1 CARRY OUT 3D CHECKS 2 Push the lever of positive lock connector 3 Pull down on the positive lock connector CAUTION WHEN CONNECTING THE POSITIVE LOCK CONNECTORS TO THE TERMINALS CONNECT THE POSITIVE LOCK SO THAT THE LEVER FACES YOU POSITIVE LOCK CONNECTOR NO CASE TYPE REMOVAL Figure C 1 Positive lock connector Ter...

Страница 22: ... bracket by touching with the pliers 6 Remove the fan blade from the shaft of the fan motor by pulling and rotating the fan blade with your hand 7 Now the fan blade will be free CAUTION Do not reuse the removed fan blade because the hole for shaft may be larger than normal 8 Now the fan motor is free INSTALLATION 1 Install the fan blade to the fan motor shaft according to the following procedure 2...

Страница 23: ...f the 1st latch switch 2nd interlock relay control switch and monitor switch do not operate properly due to a misadjustment the following adjustment should be made 1 Loosen the two 2 screws holding latch hook to the oven cavity front flange 2 With 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 lat...

Страница 24: ...r frame to ten 10 holes of door panel 4 Put sealer film on door panel Refer to Sealer Film about how to handle new one 5 Catch two 2 pins of door panel on two 2 hole of upper and lower oven hinges 6 Reinstall choke cover to door panel by pushing Note After any service to the door A Make sure that 1st latch switch 2nd interlock relay control switch and monitor switch are operating properly Refer to...

Страница 25: ...rowave 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 such...

Страница 26: ...150 C OVEN RY 2 RY 1 NOISE FILTER EARTH BLU BRN 230 240V 50Hz NEUTRAL LIVE G Y FUSE F10A N L LINE CROSS CAPACITOR 0 068µ AC250V NOISE SUPPRESSION COIL LINE BYPASS CAPACITOR 0 0022µ AC250V LINE BYPASS CAPACITOR 0 0022µ AC250V TEMPERATURE FUSE 150 C MAGNETRON POWER TRANSFORMER MAGNETRON H V RECTIFIER H V FUSE 0 75A CAPACITOR 1 13µ AC2300V TURNTABLE MOTOR FAN MOTOR OVEN LAMP 2ND INTERLOCK RELAY CONTR...

Страница 27: ... RED GRY BLK GRY GRN GRN GRY GRN BLK GRY WHT WHT BLU PNK GRY FAN MOTOR OVEN CAVITY BACK PLATE POWER SUPPLY CORD TEMPERATURE FUSE OVEN RED GRY 2 1 1ST LATCH SWITCH COM NO GRY WHT WHT WHT RED BRN WHT RED CN B BLK 2 1 CN A OVEN LAMP RED PNK TEMPERATURE FUSE MAGNETRON RED PNK GRN HIGH VOLTAGE FUSE NOISE FILTER N L WHT RED G Y PNK BLK RED GRY GRY WHT RY2 RY1 SP1 IC1 2ND INTERLOCK RELAY CN A CN B CN G C...

Страница 28: ...10µ 35v 1SS270A 1SS270A D1 D4 1N4002 D6 R5 4 7k R3 390 1w R2 510 1w R6 3 3k Q2 2SB1238 SP1 PKM22EPT RY1 RY2 Q3 KRC243M CN C 12PIN LEAD WIRE HARNESS LED GND VC VA INT VR BUZZER MICRO NC NC OVEN LAMP TURNTABLE MOTOR FAN MOTOR AC AC MICRO 2ND INTERLOCK RELAY CONTROL SWITCH 2ND INTERLOCK RELAY CONTROL SWITCH OVEN LAMP TURNTABLE MOTOR FAN MOTOR C10 C 2 C 3 C 1 C 4 C 9 C 5 C 6 C 7 C 8 C11 C12 A 2 B 2 B ...

Страница 29: ...7AK Q11 DTA143EAK CF1 CST4 00MGW SEG34 SEG35 COM5 37 72 73 108 109 144 36 1 COM4 COM3 COM2 COM1 COM0 VL1 VL2 VL3 VL4 VL5 C3 C2 C1 VLIN VSS NC NC VSS P27 P26 P25 P24 P23 P22 P21 P20 P47 P46 P45 P44 P43 CNTR0 P05 COM6 COM16 COM15 COM14 COM13 COM12 COM11 COM10 COM9 SEG40 SEG39 SEG38 SEG37 SEG36 SEG35 SEG34 SEG33 SEG32 SEG31 SEG30 SEG29 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18...

Страница 30: ...2 3 4 5 6 Figure S 3 Printed Wiring Board of Power Unit 0 DIP SW R3 SP1 R2 E B R1 C4 C2 C5 RY2 RY1 VRS1 P S T1 RY3 D6 D1 D4 D8 D2 D3 D20 D5 R4 Q2 Q3 B B E E R6 D9 D7 J2 J1 D10 R5 R9 ZD1 1 2 C3 C1 CN C CN A CN B CN D SH B SH A RED GREEN 1 1 1 2 2 12 Sn Ag Cu ...

Страница 31: ...OTDA230WRE0 Turntable motor Interchangeable 1 AS 1 10 RTRN A709WRZZ Power transformer 1 BM 1 11 RV MZA295WRE0 Magnetron 1 BF 1 12 FPWBFA353WRKZ Noise filter 1 AS 1 13 QFS CA026WRZZ Fuse F10A 1 AH 1 14 QFS IA009WRZZ High voltage fuse 0 75A 1 AS CABINET PARTS 2 1 GCABUA883WRPZ Outer case cabinet 1 BF 2 2 FDAI A269WRYZ Bottom plate 1 AW 2 3 GLEGPA074WRE0 Foot 4 AC CONTROL PANEL PARTS 3 1 DPWBFC433WRK...

Страница 32: ... 2 NTNT A117WREZ Turntable 1 AS 6 3 FW VZB996WREZ Main wire harness 1 AT 6 4 TCAUHA214WRR0 K caution label 1 AC 6 5 TLABMB006WRRZ Menu label 1 AF 6 6 TINSEB061WRRZ Instruction book 1 AM 6 7 FW VZB888WREZ Switch harness 1 AU SCREWS NUTS AND WASHERS 7 1 XHPSD40P08K00 Screw 4mm x 8mm 5 AA 7 2 XOTSD40P12RV0 Screw 4mm x 12mm 5 AA 7 3 LX CZA073WRE0 Special screw 2 AC 7 4 LX CZ0052WRE0 Special screw 2 AA...

Страница 33: ... 7 3 4 3 4 9 4 12 2 1 1 7 7 3 1 10 1 9 4 10 6 5 7 2 7 10 7 2 7 8 4 11 7 5 4 17 4 12 7 4 7 12 4 12 1 5 1 4 1 14 4 2 1 1 1 1 1 11 7 7 7 10 7 10 7 7 6 4 7 11 7 9 7 1 7 1 1 13 1 12 7 2 7 2 7 10 7 10 7 10 7 6 1 7 7 8 4 8 1 8 7 10 7 8 1 2 2 3 2 2 4 14 4 18 4 19 4 16 1 3 4 15 1 6 7 1 6 1 6 2 4 7 2 3 2 3 2 3 4 6 7 10 4 12 7 1 ...

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

Страница 35: ...PA204WRE0 TOP PAD ASSEMBLY FPADBA541WRKZ PLASTIC BAG SSAKHA034WRE0 Not replaceable items PACKING CASE SPAKCE111WREZ BOTTOM PAD ASSEMBLY FPADBA542WRKZ INTO THE OVEN CAVITY TRAY PAD ASSY CPADBA317WRKZ 6 6 INSTRUCTION BOOK 6 2 TURNTABLE TRAY 6 1 TURNRTABLE SUPPORT ...

Страница 36: ...CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced stored in retrieval systems or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher ...

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