Sharp R-7370 Скачать руководство пользователя страница 16 | Manualshive

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Содержание R-7370

Страница 1: ...Compu Defrost functions in addition compared to base model R 7260 Use this supplemental manual together with the Base Service Manual Refer to the Base Service Manual for complete operation service information etc TABLE OF CONTENTS Page FOREWORD 1 CAUTION MICROWAVE RADIATION 1 THUMB INDEX 1 PRODUCT DESCRIPTION 2 OPERATING INSTRUCTIONS 3 SERVICING 8 TOUCH CONTROL PANEL ASSEMBLY 10 MICROWAVE MEASUREM...

Страница 2: ...al and this manual SO they will be qualified to render satisfactory customer 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 wit...

Страница 3: ...oking instructions changing direction every half cycle or oscillating back and forth 4 900 000 000 times per second This high speed oscil lation causes friction between the molecules thereby convert ing the microwave energy to heat Power requirements Power consumption Microwave output power 650W 2 litre water load Case dimensions Width Height Depth Cooking cavity dimensions Width Height Depth Turn...

Страница 4: ... defrosting stages Step 1 2 3 4 lose you want to defrost 1 36 Kg steak with COMPU DEFROST Procedure Pad Order Touch the COMPU DEFROST pad Select desired COMPU DEFROST setting Touch 2 to defrost steak Touch number pads to enter weight IEx 1 36 kg should be 1 4 kg Touch START pad X w 0START Display will flash and COMPU DEFROST will ap pear on display Kg will flash on and off Kg stops flashing and re...

Страница 5: ...e should be defrosted following guide lines in the cookbook If the incorrect weight is entered and START pad is touched E RR3R and incorrect weight will be displayed repeatedly The STOP CLEAR pad has to be touched to reprogramme the oven 3 Foods not listed can be defrosted using defrost setting 4 Large objects quantities require turning or stirring or re arranging 5 Arrange food in single layers w...

Страница 6: ...rin 2 JI lti 7 I f 1 d I I L l After the 1st stage 10 15 minutes lf E q ry zz 11J lr 1 c Turn over and Stand a longer shieid the warm time if portions necessary I n I 0 117 I I i J L I t a 1J I j l After the 2nd stage 15 20 mtnutes If there are warm portrons shield them 7r 1 Chicken pieces 0 2 I r m h f k 1 5 kg E 1213 I n I Turn over and f I tI I r rearrange I I Stand covered i 7 x Tyy si ii r l ...

Страница 7: ...p to equalize temperatures 6 If the Reheat Sensor has not detected the vapor of the food after 15 minutes E fFR I7 and LRE HER T jwill appear in the display and the oven will shut off Preparing Foods 1 Reheat Sensor works with foods at normal storage temperature For example chicken pieces would be at refrigerator temperature and canned soup at room temperature 2 A minimum quantity of a half cup sh...

Страница 8: ... the oven door or touching STOP CLEAR pad when 1 E 5rE q T is dis played if this occurs 15R T andmy 8 E R T will appear and sensor heating will be in terrupted To continue heating touch STOP CLEAR pad E r_7 and r I gl qT willgo out Select heating time and variable power level Heating with the Reheat Sensor at this point may result in overheating Reheat Chart FOOD QUANTITY UTENSIL COVER soup Dinner...

Страница 9: ... and or short Defective control unit Open or loose wire connection to the above components Procedure M Procedure M Check and repair wiring TEST PROCEDURES CONT D I KEY UNIT PROCEDURE LETTER COMPONENT TEST K KEY UNIT TEST If the Indicator does not respond to touching a key Pad use the following matrix and place a jumper wire between the proper pin connections with the G l2 pin cabie disconnected fr...

Страница 10: ...es it is needed to connect the parts as shown in Fig A to the connector C to enable checking of the REHEAT SENSOR 2 Check the sensor cook operation proceed as follows 2 l 1 Touch REHEAT SENSOR pad 2 2 The control panel is in the sensor cooking operation 2 3 After approximately 40 seconds push plunger of MICRO switch This condition is same as judgement by REHEAT SENSOR 2 4 After approximately 3 sec...

Страница 11: ...t from the AC line voltage In ad dition the synchronizing signal is available in order to compose a basic standard time in the clock circuit 2 Synchronizing Signal Circuit The power source Synchronizing signal is available in order to compose a basic standard time in the clock ci rcu it It accompanies a very small error because it works on the commercial frequency 3 LSI IX2412YA This LSI controls ...

Страница 12: ...R 7370 ...

Страница 13: ... 1 Q 3 2 z z c E Z 2 G 2 co 7 2 5 t z m 3 G 3 is Jl a b 2 22 2 gg aaQanZaen a CVFOC3N cnmmccco QQQQQ s Iv z 2 5 w Ti 58 iz P 5 0 2 c Q f z d Q z s 75 PC e I t 33 u ...

Страница 14: ...n circuit with i respect to CL2 terminal OUT Internal clock oscillation frequency control output Output to control oscillation input of CLl CL2 P40 OUT Segment data signal Signal similar to P30 TEST IN Not used Connected to VDD 12V P41 OUT Segment data signal Signal similar to P30 OUT P42 12 P43 OUT Signal for lighting of Power level and COMPU indicators Signal similar to P30 13 P50 OUT Signal for...

Страница 15: ...while one of G 4 line keys on key matrix is touched Key strobe signal Signal applied to touch key section A pulse signal is input to PlO PI3 terminal while one of G 5 line keys on key matrix is touched Kev strobe signal Signal applied to touch key section A pulse signal is input to PlO P13 terminal while one of G 6 line keys on key matrix is touched Terminal not used Sinnal to sound buzzer A Key t...

Страница 16: ...d a corresponding signal out of P70 P73 P63 and P62 will be input into PIO When no key is touched the signal is held at L level PI0 PI1 IN IN 44 Signal similar to PlO When either one of G IO line keys on key matrix is touched a corresponding signal will be input Pll 45 P12 IN Signal similar to PlO When either one of G 9 line keys on key matrix is touched a corresponding signal wiil be input PI 2 I...

Страница 17: ...ignals holds H level during microwave cooking and L level while not cooking In other cooking modes HIGH M HIGH MED M LOW LOW the signal turns to H level and L level in repetition according to the power level HIGH JJ ME0 HIGH 56 57 58 32 WC J I HOLD e m L Vdisp IN Anode segment of Fluorescent Display light up voltage 27V Vp voltage of power source circuit input VR IN Reference voltage input termina...

Страница 18: ...ed to GND I POWER SOURCE CIRCUIT A power of AC 240V is applied to the primary winding of transformer Tl The output voltage of the secondary winding of transformer Tl is then full wave rectified by the diode bridge Dl and smoothed by the electrolytic capacitor C2 to become DC voltage VC Then the voltage VC is delivered to the constant voltage circuit VDD f 12V is a voltage to be applied to the LSI ...

Страница 19: ...LSI I I I 20 0 msec I Figure T 4 l3 Circuit and Waveform ACL CIRCUIT By switching on power charge current il is fed to C20 through R20 and generates throshold voltage Vz If Vz exceeds the zener voltage of ZD20 ZD20 is turned on and the current i2 flows Thus placing voltage on to the base of transistor Q20 and turning it on A reset signals is obtained from the collector C21 Noise filter capacitor G...

Страница 20: ...ulse signal form PA3 terminal is applied to the rec tifier circuit made up of Diodes DlOO and DlOl inside the hybrid IC IC3 where it is made into DC signal to charge Cl 00 With Cl00 charged up 0100 and QlOl turn on in succession so that a current I1 is caused to turn on the control relay RY 1 The H level signal from D6 terminal is applied to Q80 which is connected in series with QlOl and current i...

Страница 21: ... cooled down reducing the temperature making the resistance lower Therefore a VOUT voltage is generated in proportion to the variation of vapor volume Internal Structure of Rrl Sensor Figure T 8 Operational amplifier Figure T 9 output voltage When this voltage level reaches the preset detection point the cooking is terminated If the initial voltage setting cannot be made due to open or short circu...

Страница 22: ...e the fluorescent body If the anode or grid voltage is zero or negative against the fila ment thermo electrons can not reach the anode hence the fluorescent body is not luminescent The followmg signals are responsible for specxfyrng segments CIRCUIT In this model the Fluorescent Display 6 digits 13segments are used for displaying figures The Fluorescent Display employs the dynamic drive method whe...

Страница 23: ...l while keeping it in contact with the oven proper B On some models on the other hand the power supply 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 while keeping it apart from the oven proper in this case you must short both ends of ...

Страница 24: ...e standard for microwave ovens must be used for testing Recommended instruments are NARDA 8100 NARDA 8200 HOLADAY HI 1506 SIMPSON 380M 2 Place the turntable tray into the oven cavity 3 Place the load of 275 fl5ml of water initially at 2025 C in the centre of the oven tray The water container should be a low form of 600ml beaker with inside diameter of approx 8 5cm and made of an electrically non c...

Страница 25: ...R 7370 1 I 2 I 3 I 4 I 5 I 6 i I I 1 EJ 8 a z 0 CI o a N ci 2 3 m LL B Q I i m 11T 1 t Jm IJ f 11 I 1 P 8 E h B n 2 l i E 2 cn z E 5 LL I 24 ...

Страница 26: ...0 1 I 2 I 3 I 4 I 5 6 I 1 l lIlllI I I I I I I P tttY m I i 11 g y 8 2 jI I i 1 I 1 Z a k 0 i 5 p P E s 4 co Q 3 m LL I till I IIT I 11 1 I I I q q 71 I L il 0 en ia g k 7 4 ncn AL 1 I 2 I 3 I 4 I 5 1 6 I 25 ...

Страница 27: ...R 7370 7 P a c f f G t c 1 I 2 3 I 4 I 5 6 r x e 0 7 P W L I Tl _cI q J I 1 I 2 Figure S 4 Printed Wiring Board I 3 I 4 I 26 ...

Страница 28: ...70 c 1 4 A B C D E 1 F G H PACKING AND ACCESSORIES i I TURNTABLE TRAY I 7 h w EORfPROTECTION I S BPADPQOO5YBEO I PACKING ADD KIT 0 WADBWBBYBEO If SPAKCA233WREO 1 I 2 1 3 I 4 I Not Replaceable Items 5 I 6 27 ...

Страница 29: ...k 1 AD 2 16 ML E V F 0 1 2 4 WR E 0 Monitor switch lever 1 AC 2 17 MLEVP0099WRFO Switch lever 1 AB 2 18 ML EVF 0 2 8 9WRWO Open lever 1 AC I I I I C1 a I IIG purls 1ilarKeo are usea in voltage more man z3uv l 1 1QACCAA 0 0 7WR E 0 Mains supply cord 1 AQ l 2 FDTCTAO 2 3WRK0 RH sensor 1 AS l 3 QFS C0019WREO FuseM6 3A 1 AE l 4 QFSHDOO 19WREO Fuse holder 1 AF l 5 QFS T0026WREO Temp fuse 115 C 1 AG l 6...

Страница 30: ...HM2 2 5M 1 AB Capacitor 2 2 1F 5ov 1 j AA c40 VCKZPUlHF103Z Capacitor O Ol uF 5ov 1 AA c70 VCEAAA 1HM3 3 7M Capacitor 330 uF 5ov 1 AD C71 C72 VCTY PU 1 E F 1 0 4 Z Capacitor O lfiF 25V 2 AB C9O C91 VCCCPR 1H3 2 2 1 J Capacitor 22OpF 5ov AB CF90 RCRS 2 0 0 9YAZZ Ceramic filter 400kHz I 1 AF Dl RH DX 2 0 0 6 Y AZ Z Diode bridge SlWBAlO 1 AE D2 D70 VHDl lESl 1 Diode 11ESl 2 AB D3 VHDlSS133 1 Diode lS...

Страница 31: ...m AB ZD2 VH EH Z 6 A 2 1 Zener diode HZ6A 2 1 1 AB ZD20 VHEHZgAl 1 Zener diode HZSA 1 1 AB 3 2 HPNLCA 14 5WR F 0 Control panel frame 1 AK 3 3 I GMAD i 0 0 5 9WR F 0 Display filter 1 AE 3 4 1 JBTN A158WRFO 1 Open button 1 AD 3 5 MSPRC0066WREO Button spring 1 AA 3 6 PCUS A0 3 5WRP0 Cushion T5X22X22 1 AB 3 7 DUNTKAO 7 9WRK 0 Key unit assembly 1 AY OVEN PARTS 4 1 DbVN 0 2 5 1WRY 0 Oven cavity 1 BP 4 2...

Страница 32: ... 6 7WRF 0 Upper latch head 1 5 7 LSTPPO 0 6 8WRF 0 Lower latch head 1 5 8 MLEVP0095WRFO Door lever 1 5 9 LP iN 0003YBM0 Latch shaft 3 5 10 5 11 _ PSHEKA002WREO Door sheet PTPEHAOO lWRE0 Door tape 7 24 6 l 6 2 6 3 6 4 6 5 6 6 6 7 6 8 6 9 6 10 L QW QZA004WREO High voltage wire A QW QZO 13 lWRE0 High voltage wire B FW VZA173WREO Main wire harness LHLDWQ004YBEO Wire holder Puree lock L TCADC0253WRRO C...

Страница 33: ...nge mtg 4 AA I 7 14 1 XCT SD 4 0 P 1 2 0 0 0 Screw oven supporting plate unit chassis and latch hook 1 4 AA I wper mtg 7 15 i XFPSD4 OPO 8 0 0 0 Screw turntable motor mtg 2 j AA 7 16 XHPSD30P12XSO Screw control unit mtg 3 1 AA 7 17 XTPSD4 0 P 12 0 0 0 Screw key unit assembly mtg 2 AA 7 18 jXFTSD40P08000 Screw magnetronairductmtg 1 I 7 19 XTTSD4 0 P 12 0 0 0 1 AA 1 Screw chassis support mtg 1 j AA ...

Страница 34: ...R 7370 1 2 3 I a 5 I 6 CONTROL PANEL PARTS I 1 I I I Ji i i 3 4 b P 5 j 1 1 I 2 3 a I 5 I 6 33 ...

Страница 35: ...R 7370 CABINET UNIT CHASSIS AND OVEN PARTS I I 4 i 3 I 4 I 3 I e CYyp d q e k _________ __ w I s 1 I I _ I _d yyv I r L F J I p c5 i Q hf H ed A y z 3 A ix Lz I I 1 I 2 3 4 i 5 I 6 34 ...

Страница 36: ...R 7370 1 2 3 4 I 5 I 6 DOOR PARTS MISCELLANEOUS 6 lJl n rl I 1 IJ 1 F 6 l P 0 6 3 I 0 6 4 I 1 G 11 5 c C D E H 1 1 I 2 I 3 4 5 I 6 35 ...

Страница 37: ...R 7370 ...

Страница 38: ...R 7370 ...

Страница 39: ...R 7370 SHARP 86 0 SHARP CORP 6N0 8E Printed in Japan ...

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