Sharp R-9570 Service Manual Download Page 30 | Manualshive

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Summary of Contents for R-9570

Page 1: ...del R 9560 Use this supplemental manual together with the Service Manual for Model R 9560 Refer to the R 9560 Service Manual for complete operation service information etc TABLE OF CONTENTS Page FOREWORD 1 CAUTION MICROWAVE RADIATION 1 THUMB INDEX 1 PRODUCT DESCRIPTION 2 6 TOUCH CONTROL PANEL ASSEMBLY 7 20 MICROWAVE MEASUREMENT 21 SCHEMATIC DIAGRAM 22 PICTORIAL DIAGRAM 23 24 CONTROL PANEL CIRCUIT ...

Page 2: ......

Page 3: ...mer service CAUTION MICROWAVE RADIATION Personnel should not be exposed 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 ab sorbing load attached Never look into an open ...

Page 4: ... changing direction every half cycle or oscillating back and forth 4 900 000 000 times per second This high speed oscillation causes friction between the molecules thereby converting the microwave energy to heat SPECIFICATIONS ITEMS Power requirements DESCRIPTIONS 240V 50Hz Single phase 3 wire earthed Power consumption 1 4kW Microwave output power Case dimensions Width Height Depth Cooking cavity ...

Page 5: ...sor Cook settings 1 O SENSOR COOK I Fresh wgeL Lws 2 Frozen EqelaDles 3 Baked pcmlces rl Frozen dmnen 5 Bacon NUMBER PADS Touch to enter cooking times clock time or weight of food a he 8 pasti 9 Meat I xel SENSOR TEMP PAD Touch to select Sensor Temp settings l 7 TEMP PAD Touch to select temperature when using probe COMPU DEFROST PAD Touch to select Compu Defrost settings 1 5 during cooking touch t...

Page 6: ...ny warm portions 3eturn food to the oven lose the door Touch the START pad 1 Pad Order COMP DEFROST 0START Display j 1 will flash and COMPU DEFROST will appear on display Kg will flash on and off u Kg stops flashing and remains on display Defrosting time variable power of the first stage and COOK will appear on display The timer will begin to count down When the 1st stage finishes an audible signa...

Page 7: ...n door is opened or the STOP CLEAR pad is touched STAND will go out and the time of day will appear on the display NOTE 1 The weight can be entered in 0 1 kg increments Kilograms must be rounded off to the nearest tenth of a kilogram Example 1 75 kg should be rounded off to 1 8 kg 2 Foods weighting more or less than the quantity listed in the chart should be defrosted following guide lines in the ...

Page 8: ... 1 I mG E3 Ep l Before defrosting l After the 1st stage Stand covered 3 0 kg If there are warm IO 15 minutes portions shield them Stand a longer lo r xm l After the 2nd stage time if JC I EICl Em Turn over and necessary shield the warm 15 20 minutes portions Chicken pieces 0 2 I l Before defrosting I j SL c j f FFE l After the 1st stage 1 5 kg Turn over and rearrange Stand covered xl j mj l After ...

Page 9: ...tage VC for IX2429YA 5V VF 18 5V VF 22V VA 15V and Vp 27Vl necessary in the control unit 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 com mercial frequency ACL Circuit Circuit to generate signals resetting the LSI to the initial state when power is...

Page 10: ...I I G 1 I n I m I 0 I 0 I w 1 D FAN 0i m OYLN AYP Am TURN NLBLE MOTOR TO POWER TRINSFORYLR gy LATCH RELAY ClRC lT n Figure T l Block Diagram I m I 0 I 0 I w I D ...

Page 11: ...N1 AN2 AN3 AN4 AN5 AN6 AN7 AVcc AVa AVR AVss E36 E37 R7 R6 R5 R4 R3 R2 Rl RO Figure T12 Relationship between pin Nos and Signals LSI IX2429YA Pin No Signal I O Description 1 EO OUT Digit selection signal pl5oHzl The relation between digit signal and digit are I2mru 2 El OUT as follows Digit Signal Digit EO ii ____ __ 3 E2 OUT EO 1st El 2nd LJ L 02mrec 4 E3 OUT E2 3rd E3 I 4th L rL 5 E4 OUT E4 5th ...

Page 12: ...data signal Signal similar to E6 9 E8 OUT Key strobe signal Signal applied to touch key section A pulse signal is input to AN4 AN7 terminal while one of G 2 line keys on key matrix is touched 10 E9 OUT Segment data signal Signal similar to E6 El0 11 12 OUT El1 OUT Segment data signal Signal similar to E6 1 Segment data signal Signal similar to E6 13 El2 OUT 1 Segment data signal Signal similar to ...

Page 13: ...ion A pulse signal is input to AN4 AN7 terminal while one of G 6 line keys on key matrix is touched 18 El7 OUT 1 Segment data signal Signal similar to E6 2 Key strobe signal Signal applied to touch key section A pulse signal is input to AN4 AN7 terminal while one of G 7 line keys on key matrix is touched 19 El8 20 El9 21 E20 22 E21 23 E22 24 E23 25 EX 26 X OUT OUT OUT OUT OUT OUT IN OUT Segment da...

Page 14: ...20 mrec 32 vss IN Power source voltaae 5V Vc voltage of power source circuit input 33 RO OUT 1 I HIGH Magnetron high voltage circuit driving signal To turn on and off the cook relay RY2 In HIGH operation the signals holds L level during microwave cooking and H level while not cooking In other cooking modes MED HIGH MED MED LOW LOW the sig nal turns to H level and L level in repeti tion according t...

Page 15: ...t into AN7 When no key is touched the signal is held at L level 48 AN6 49 AN5 IN IN Signal similar to AN7 When either one of G 10 line keys on key matrix is touched a corresponding signal will be input into AN6 Signal similar to AN7 When either one of G 9 line keys on key matrix is touched a corresponding signal will be input into AN5 50 AN4 IN Signal similar to AN7 When either one of G 8 line key...

Page 16: ...g timing L level 5V Thermistor OPEN judging timing 56 59 R9 R12 IN Terminal not used 60 R13 IN Terminal for manufacture test Normally terminal not used 61 R14 IN Terminal not used Connected to VC 62 R15 IN Terminal for manufacture test Normally connected to VC 5V by pull down resistor R75 63 NC NC Terminal not used Connected to GND 64 vcc IN Connected to GND 14 ...

Page 17: ...ication LSI ICl ACL circuit and Temperature measurement circuit VA 15v IC2 VP VI VF 27V Fluorescent display tube Grid and anode voltage 18 5V Filament of fluorescent display 22v tube VF VF voltage Figure T 3 SYNCHRONIZING SIGNAL CIRCUIT The secondary winding output voltage of the transformer Tl is half wave rectified subjected to a voltage division by R21 and R23 and treated as a power source sync...

Page 18: ...it on A reset signal is obtained from the collector C31 Noise filter capacitor D30 VC 4 A I RESET This circuit is an oscillation circuit which is composed of piezo electric buzzer SP40 with feedback electrode and transistor 040 041 works to switch on the buzzer circit and controls how long the alarm continues to sound Figure T 5 BUZZER CIRCUIT LSI IC 1 produces three types of alarm sound by emitti...

Page 19: ...PROBE When the output signal of terminal R8 is at L level the tran sistor 060 turns off to get R61 and R63 connected in series with each other and the circuit equivalent to that shown in Fig T 9 b is set up With this equivalent circuit in operation the LSI judges whether the temperature probe is opened or not that is when the temperature probe is opened the vol tage almost equal to VREF 2 is appli...

Page 20: ...of the unit When the unit is set in the Sensor Cooking mode 16 seconds later the detector circuit starts to function and the LSI observes the initial voltage available at its AN2 terminal With this vol tage 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 R50 1 Changing the resistance values results in that there is the same p...

Page 21: ... cathode of Fluorescent Dis play is directly heated and the filament serves as cathode When a proper voltage is applied to the filament to heat it thermo electrons are emitted and with positive voltage with respect to filament being applied to the anode and grid elec trons hit against the anode to illuminate the fluorescent body If the anode or grid voltage is zero or negative against the fila men...

Page 22: ...ntrol panel while keeping it in contact with the oven proper On some models on the other hand the power sup ply cord between the touch control panel and the oven proper is so long that they may be separated from each other For those models therefore it is allowed to check and repair the controls of the touch control panel whiie keeping it apart from the oven proper in this case you must short both...

Page 23: ...ormance standard for microwave ovens must be used for testing Place the turntable tray into the oven cavity Place the load of 275 f 15ml of water initially at 20 f 5OC in the centre of the oven tray The water container should be a low form of 600ml beaker with inside diameter of ap prox 8 5cm and made of an electrically nonconductive material such as glass or plastic The placing of this standard l...

Page 24: ...C CORD CONNECTION BRN BROWN BLU BLUE G Y GREEN AND YELLOW STRJPE I18 SECTIONAL AREA OF BLlJ 18 BRNA8 lG i8 L 0 75mm MIN 2 SHORT PROTECTOR CONNECTION ORG ORANGE WHT WHITE MAPCA127 1 957oJ B Figure S l Schematic Diagram H 1 I 2 I 3 4 I 5 I 6 JPPER ATCH iWiTCl MONITOR SWITCH CN E 1 Al 0 A5 4 1 TEMP FUSE ns c LOWER LATCH SWlTCH A B C D E F G 22 ...

Page 25: ...NNECTOR G CONNECTOR IHI CONNECTOR c B SLIP CONNECTOR TO CONNECT B STOP SWITCH TO AH SENSOR CONNECTOR 0 2 c TO It I I RED 0 0 O NNE FI II CONNECTOR k l F L LOWE r L ATCI SWI TC 1 I RELAY UNIT Figure S 2 Pit ...

Page 26: ...ITCH BLU M WHT WHTL 8 k TURNTABLE MOTOR ELK FAN MOTOR p 4 TEMP FUSE OVEN LAMP OVEN LAMP SOCKET BLK BLK I pHT J MAGNETRON POWER TRANSFORMER HIGH VOLTAGE CAPACITOR B C D E F G H Pictorial Diagram 7 I 8 I 9 I 10 11 I 12 24 ...

Page 27: ...TOR 10 i OVEN LAMP AQO TURN TABLE fRlfSI MOTOR r TO POWER TRANSFORMER gJWqT wE LATCH I RELAY UNIT r E R201 200k TEST TERMINAL 060 OTC114EA R61 5 97kF VA ic 2 z 360kF 1 i STOP SWITCH TEMP PROBE IOOOR SWITCH1 THERMISTCf Figure S 6 Con _ 1 I 2 I 3 I 4 I 5 25 ...

Page 28: ...D I VF lE SW F 2 F VP J VF I 22V VP I 27VI r R22 47K R200 15k 2 r i L J I 110 27kx6 VP CFI C 1 I I l Tl I I I t4 I E3 E2 El p t 097 096 us1060 ustQ60 u 60 60 OGO t 2iO60 a 0 9 8 7 6 SENSOR TEMP a L j HIGH 1 M HIGH 1 MED 1 kIT 1 LOW 1 TEMP RSO RNAFST START AUTO START 1 STOP INSTANT TIMER CLOCK 1 CLEAR COMPU COOK HOLD DEFROST NOTE IF NOT SPECIFIED 1 5W 5 Control Panel Circuit NEW I 7 I 8 I 9 I 10 I ...

Page 29: ...I 4 I 5 I 6 1 B 8id I I G g Eg s I EI s T I IIIg D TTT c1 t F z f E l z q 31 q I I 0 I fld e4 F a e 4 a d r i L ilos e FT 6 9 C c 0 04irnI VP IC e oln Y gI 1 g o CN F STOP TEMP SW PROBE Figure S 4 Printed Wiring Board Control Unit c 1 I 4 2 1 3 4 I 5 I 6 27 ...

Page 30: ...R 9570 1 I 2 I 3 I 4 I 5 6 FAO84WR i 0 k JL 4 BRNy E x us 1 s SdP kdr W g 0 0 P 9 a i f a t LQQA s 03 J ul w IIHII L Figure S 5 Printed Wiring Board Relay Unit 1 I 2 5 1 I 3 l 4 6 J 28 ...

Page 31: ...CKING AND ACCESSORIES PLASTIC BAG GiZiGS DOOR PROTECTION SHEET SPADPQOO7YBPO TRAY HOLDER SPADF0440WREO k MICROWAVE OVEN PACKING ADD KIT d CPADB0222WRKO PACKING CASE k SPAKCA213WR EO SC Not Replacement Items 29 ...

Page 32: ...EO Relayunit l 20A Q P L G J 2 3 8 1 Y A Z Z 4 pin connector A l 20B Q C N C M 2 3 8 8 Y A Z Z 7 pin wire connector E l 2oc QLUGP201 4YAZZ I pinpost Pl P2 Cl V C Q Y C U 1 H M 1 0 4 K Capacitor 0 1 F 5ov c2 V C E A A H 1 H M 1 0 8 M Capacitor 1 OOOpF 5ov Dl R H D X 2 0 0 6 Y AZ Z Diode bridge SlWBAlO D2 VHDl 1 ES1 1 Diode llES1 D82 D83 V H D U S 1 0 6 0 1 Diode US1060 Fl Q F S A 2 0 1 0 Y A Z Z IC...

Page 33: ...pin connector B 1 AB 3 1B Q P L G J 2 3 6 2 Y A Z Z 3 pin connector C H 2 AB 3 1c Q P L G J 2 3 4 8 Y A Z Z pin connector F 1 AC 3 1D Q P L G J 2 3 3 2 Y A Z Z 12 pin connector G 1 AE 3 1E R V K X 2 0 4 4 Y A Z Z Fluorescent display tube 1 AX c3 c5 V C E A A A 1 E M 4 7 6 M Capacitor 47 F 25V 2 AB c4 V C E A A A 1 V M 1 0 7 M Capacitor 1 OO LF 35v 1 AB C7 C20 V C K Y A T 1 E X 1 5 3 N Capacitor 0 ...

Page 34: ...RD ST2DF102J Resistor 1kR 1 5w VRD ST2DF201J Resistor 2000 1l5W VRD ST2DF331J Resistor 33oti 1 5w I RD S T2DF222J Resistor 2 2k l 1l5W qR KZ2144YAZZ Resistor block 270kfi x 4 qR KZ2142YAZZ Resistor block 27kM x 6 qR KZ2143YAZZ Resistor block 56kSt x 14 JRD ST2DF204J Resistor 200k0 HEHZSC 2 1 Zener diode HZ5C 2 HEHZSC2 1 HEHZSA3 1 HEHZ4B 3 1 PNLCA131WRKO MAD i 0050WRF0 Transistor DTCl 14EA Transist...

Page 35: ...g holder LHLD 0054WRFO Turntable roller cover PCQVP0352WRPO Turntable motor cover FHNG 0106WRYO Upper oven hinge NRQLP0026WREO Turntable roller NSFTT0074WREO Turntable roller shaft LANGQ0432WRWO Lamp socket mounting plate PDUC 0519WRFO Steam duct FFANJ0031WRKO Fan blade assembly LSTY 0030WREO Fan retainer clip PDUC 0518WRFO Magnetron cooling duct A PDUC 0515WRFO Magnetron cooling duct B LANGF0340W...

Page 36: ... case cabinet mtg 7 AA 7 4 L X E Z 0 0 4 6 W R E 0 Screw outer case cabinet mtg 2 AA 7 5 L X C Z 0 0 4 7 W R E 0 Screw cabinet base A and lower sash assembly 4 AA 7 6 L X C Z 0 0 5 2 W R E 0 Screw latch upper hook and lower latch hook mtg 2 AA 7 7 X B B U W 3 0 P 0 8 0 O 0 Screw lamp socket mounting plate mtg 2 AA 7 8 X F P S D 3 0 P 1 0 0 0 0 Screw fuse holder mtg 1 AA 7 9 X B P S D 4 0 P 2 5 0 0...

Page 37: ...chorage upper mtg Washer power transformer mtg Washer monitor switch lever mtg Screw chassis support mtg Screw AH sensor assembly mtg Screw AH sensor cover mtg Screw relay unit mtg Screw control unit mtg Screw open device mtg 3 AA 1 AA 1 AA 5 AA 2 AA 4 AA 4 AA 3 AA 2 AA HOW TO ORDER REPLACEMENT PARTS To have you order filled promptly and correctly please furnish the following information 1 MODEL N...

Page 38: ...I P 1 I 2 3 I 4 1 5 I 6 h CABINET PARTS A B C D E F G H B c 7 4 D 9 E F 36 ...

Page 39: ...R 9570 OVEN PARTS ...

Page 40: ...1 I 2 I 3 4 I 5 I 6 _ R 9570 CONTROL PANEL PARTS I I I i I I I I I I J 1 I 2 1 3 I 4 I 5 I 6 I 38 H ...

Page 41: ...R 9570 1 I 2 I 3 4 I 5 I 6 A B C D E F G 5 H DOOR ASSEMBLY MISCELLANEOUS A B C D E F G H 1 I 2 3 I 4 I 5 I 6 39 ...

Page 42: ...m i Ip 3 al n 3 k x 3 ...

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