Sharp R-430BD Скачать руководство пользователя страница 10 | Manualshive

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Содержание R-430BD

Страница 1: ...0BK R 430BW R 430BD These models are quite similar to the Base Model R 420BK S M S28M104R420BE This supplemental manual must be used in conjunction with the base model service manual for complete operation service safety and replacement parts information TABLE OF CONTENTS SECTION PAGE PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICE TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY Insi...

Страница 2: ...ms shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner A microwave leakage check to verify compliance with the Federal Performance Standard should be performed on each oven prior to releasing the oven to the owner RD21101U Before servicing an operative unit perform a microwave emission check as per the Microwave Measurement Procedu...

Страница 3: ...es are not defective C The door packing is not damaged D The door is not deformed or warped E There are no other visible signs of damage to the oven DANGER Certain initial parts are intentionally not grounded and present a risk of electrical shock only during servicing Service personnel Do not contact the fol lowing parts while the appliance is energized High Voltage Capacitor Power Transformer Ma...

Страница 4: ...r Disconnect the leads to the primary of the power transformer Ensure that the leads remain isolated from other components and oven chassis by using insulation tape After the above procedure reconnect the power sup ply cord When the testing is completed 1 Disconnect the power supply cord and then remove outer case cabinet 2 Open the door and block it open 3 Discharge the high voltage capacitor 4 R...

Страница 5: ...c Microwave Power for variable cooking Repetition Rate P HI HIGH s Full power throughout the cooking time P 90 approx 90 of full power P 80 approx 80 of full power P 70 MED HIGH approx 70 of full power P 60 approx 60 of full power P 50 MED approx 50 of full power P 40 approx 40 of full power P 30 MED LOW approx 30 of full power P 20 approx 20 of full power P IO approx 10 of full power P O No power...

Страница 6: ... pad Touch to cook certain foods g Compu Defrost pad Touch to defrost certain foods h Number selection pads i Power Level pad Touch to select micro wave power setting j Clock pad Touch to set clock k Beverage Center pad Touch to Reheat certain beverages I Stop Clear pad Touch to erase during programming Touch once to stop operation of oven during cooking j Custom jj p I 1 1 i SENSOR COOKING Touch ...

Страница 7: ...ooking time and variable power level Cooking Sequence 1 Touch REHEAT pad Note The oven should not be operated in either mode immediately after plugging in the unit Wait five minutes before cooking in sensor mode 2 The coil to the shut off relay RY 1 is energized the oven lamp turntable motor and cooling fan motor are turned on and the power transformer remains off 3 After about 16 seconds the cook...

Страница 8: ...om other components and oven chassis by using insulated tape 6 After the above procedure install the outer case cabinet reconnect the power supply cord Disconnect the power supply cord and then remove outer case cabinet Open the door and block it open Discharge the high voltage capacitor When the testing is completed 1 Disconnect the power supply cord and then remove outer case 2 Open the door and...

Страница 9: ...mptoms indicate a defective key unit Replace the key unit a When touching the pads a certain pad produces no signal at all b When touching a number pad two figures or more are displayed c When touching the pads sometimes a pad produces no signal If the key unit is defective 1 Disconnect the power supply cord and then remove outercase cabinet 2 Open the door and block it open Y 3 Discharge the high...

Страница 10: ...ge Check voltage at the relay coil with a DC 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 1Relay Symbol 1Operational Voltage 1Connected Components RY 1 RY2 Approx 24 3 V DC Approx 23 5 V DC Oven lamp Turntable motor Cooling fan motor Power tr...

Страница 11: ...he door and block it open 3 Discharge the high voltage capacitor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that the leads remain isolated from other components and oven chassis by using insu lated tape 6 After the above procedure reconnect the power supply cord 7 Follow the troubleshooting guide given below for repair 1 Steps Occurrence 1 I I The rated AC voltage is n...

Страница 12: ...oor sensing switch is good disconnect 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 connector Use the key unit matrix indicated on the control panel schematic and place a jumper wire between the pins that correspond to the STOP CLEAR pad making momentary contact If the cont...

Страница 13: ...e and touch the Start pad Now the oven is in the sensor cooking operation and REHEAT SENSOR COOK will appear in the display 5 Now the oven will operate for the first 16 seconds without generating microwave energy Note ERROR will appear if the door is opened or Stop Clear pad is touched during first stage of sen sor cooking 6 After approximately 16 seconds microwave energy is produced the oven shou...

Страница 14: ...d the display counts down If the above is not the case the control unit is probably defective If the above checks positive the AH sensor is probably defective lO Disconnect the power supply cord and then remove outer case cabinet 11 Open the door and block it open 12 Discharge the high voltage capacitor 13 Disconnect the dummy resistor circuit from the sensor connector of control panel 14Carry out...

Страница 15: ...ency ACL Circuit A circuit to generate a signal which resets the LSI to the initial state when power is applied Buzzer Circuit The buzzer is responsive to signals from the LSI to 4 5 6 7 8 emit Audible sounds key touch sound and comple tion sound Door Sensing Switch A switch to tell the LSI if the door is open or closed Relay Circuit To drive the magnetron fan motor turntable motor and oven lamp I...

Страница 16: ... input of 0SC2 RESET IN Auto clear terminal Signal is input to reset the LSI to the initial state when power is supplied Temporarily set to I level the moment power is supplied at this time the LSI is reset Thereafter set at H level MD0 IN Connected to GND P20 OUT Key strobe signal Signal applied to touch key section A pulse signal is inputted to AN8 AN11 terminal while one of G8 line keys on key ...

Страница 17: ...28 28 SEG 29 67 SEG29 29 SEG 30 68 SEG30 30 SEG 31 69 SEG31 31 SEG 32 70 SEG37 43 SEG 33 71 SEG38 44 SEG 34 72 SEG39 45 SEG 35 73 SEG40 46 SEG 36 74 SEG41 47 SEG 37 75 SEG42 48 SEG 38 76 SEG43 49 SEG 39 77 SEG44 50 SEG 40 78 SEG45 51 30 vss IN Power source voltage 5V VC voltage of power source voltage to drive the LSI is input to VSS terminal Connected to VC Power source voltage input terminal Sta...

Страница 18: ...ec rc i Signal synchronized with commercial power source frequency This is the basic timing for time processing of LSI H 5V L GND 92 AVCC 93 AN0 94 AN1 IN IN IN I 16 7 msec d I I A D converter power source voltage The power source voltage to drive the A D converter in the LSI Connected to GND Used for Initial balancing of the bridge circuit absolute humidity sensor This input is an analog input te...

Страница 19: ...cluded of the touch control panel while keeping it connected to the oven 2 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 the oven proper in this case you must short both...

Страница 20: ...ansmission assembly 7 There is visible damage to the oven Do not operate the oven 1 Without the RF gasket Magnetron 2 If the wave guide or oven cavity are not intact 3 If the door is not closed 4 If the outer case cabinet is not fitted 3 prevent electric shock take the following pre 3utions Before wiring Disconnect the power supply cord 2 Open the door and block it open 3 Discharge the high voltag...

Страница 21: ...rcuit is used to detect the output voltage of the absolute humidity circuit to allow the LSI to control When the unit is set in the sensor cooking mode 16 sec onds later the detector circuit starts to function and the LSI observes the initial voltage available at its AN1 ter minal With this voltage given the switches SW1 to SW5 in the LSI are turned on in such a way as to change the resistance val...

Страница 22: ...n door and block it open Remove screws from the rear of the outercase cabi net Slide the entire case back about 1 inch 3cm to free it from retaining clips on the cavity faceplate Lift the entire outercase cabinet from the oven unit Discharge high voltage capacitor Remove two 2 screws holding the AH sensor Refer to Figures l l 6 2 l 6 Disconnect the AH sensor harness from connector CN F on control ...

Страница 23: ...30BK R 430BW R 430BD AH SENSOR ORIENTATION 8t HARNESS ROUTING AH Sensor Orientation Mounting Screw AH densor AH Sensor Duct Figure l 1 6 Oven Left Side View C AH Sensor Harness Figure 2 16 Oven Top View 21 ...

Страница 24: ...ntation 21CFRI 030 1 O c 3 i as prescribed by the performance standard for microwave ovens must be used for testing 2 Place the oven tray in the oven cavity 3 Place the load of 275 15ml 9 8 oz of tap water ini tially at 20 5 C 68OF in the center of the oven cav ity The water container shall be a low form of 600 ml 20 oz beaker with an inside diameter of approximately 8 5 cm 3 in and made of an ele...

Страница 25: ...CK SWITCH Note 2 NOTES 1 Circuits subject to change without notice 2 Wire color code applies to primary circuits only not to low voltage or secondary circuits J 3 Power supply cord terminal marked N must be connected to the neutral Gray white wire 0 4 Power supply cord grounding screw must be kept tight at all times 5 The hot red wire must be connected to the finish lead terminal of the power tran...

Страница 26: ...R 430BK R 430BW R 430BD 0 I CE I 92 A 00 I I I I I I I I I I I I I I I I I I I I I I I I I I I I 24 ...

Страница 27: ... 7 13 6 I I I b I 5 I I I C LN 9 RYI 101 c5 SPI R6 3 3k COW e w _ b I 1 w 1 I I CSj I I 0 I s _ J m c5 _ lOpI35v I 1 Q3 KRC243M I I 7 D8 lC8l LED VA GND VC INT VR BUZZER TURNTABLE MOTOR OVEN LAMP FAN MOTOR MICRO N C cz1 Cl1 N C DOOR SWITCH DOOR SWITCH NOTE IF NOT SPECIFIED 1 4w I I5 __ t_ IF NOT SPECIFIED lSS270A Power Unit Circuit 1 2 3 4 5 6 25 ...

Страница 28: ......

Страница 29: ...R 430BK R 430BW R 430BD A B C D E F G H 1 2 3 4 5 6 Printed Wiring Board of Power Unit 1 2 3 4 5 6 27 ...

Страница 30: ...wer cord H V wire A Transformer Capacitor Main wire harness Stop switch harness AH sensor 1 _ 1 1 1 1 1 AQ AE AE AR AD AF AE AF BE AP BF AC AU AF AQ r2 1 LBNDKBOO7MRPO M 2 2 LANGTBO28MRPO M 2 3 PHOK BOl3MRFO M 2 4 GDAI BO5OMRPO M 2 5 GLEGPBOO3MRFO M 2 6 MLEVPBO16MRFO M 2 7 PDUC BO73MRPO M 2 8 NFANPBOOlMREO M 2 9 PDUC BO43MRFO M 2 10 2 11 PCOVPBO37MRPO M 2 12 GCABUBO82MRPO M GCABUBO58MRPOA M GCABUB...

Страница 31: ...or 510 2w 1 AB R4 VRD B12EF270J J Resistor 27 w 1 R5 VRD B12EF472J J Resistor 4 7ka w 1 R6 VRD B12EF332J J Resistor 3 3ka l w 1 RY2 1 RRLY BOO2MREO M Relay DU24Dl lP M 2 AH SPl RALM AO14DREO J Buzzer PKM22EPT 1 AG Tl RTRNPBOOgMREO M Transformer 1 VRSl RH VZAO32DREO J Varistor 104G471K 1 AE ZDl VHEHZ161 1 J Zener diode HZ16 1 1 3 2 LHLD BOO6MRFO M LCD holder 1 AC 3 3 FPNLCB206MRKO M Control panel a...

Страница 32: ...L BO78MREO M Door Screen R 430BW R 430BD 1 AK 5 1 TCAUABO15MRRO 5 2 TCAUABO27MRRO 5 3 TCAUABO33MRRO 5 4 TLAB BO33MRRO 5 5 TINSEB18OMRRO Miscellaneous Monitor caution label DHHS caution label UL SCREW label Menu label Operation manual AB AE 6 1 LX BZAO4lWREO 6 2 LX CZ0052WREO 6 3 XHTSD4OP12RVO 6 4 LX BZ0081YBEO 6 5 XOTSD40Pl2000 6 6 XCPSD30P08000 6 7 XCBSD30P08000 6 8 XHTSD40P08000 6 9 LX CZAO38WRE...

Страница 33: ...r R 430BK R 430BW R 430BD 4 I A z I 3 1 I I I 1 4 5 I I I 6 Cavity Assembly 3 Q Q 5 3 0 2 a 9 1 12 ...

Страница 34: ...R 430BK R 430BW R 430BD 1 2 3 4 5 6 4 3 J 1 E F G H Control Panel Assembly Q 4 o Door Assembly r ___ _L I 4 1 4 2 3 l _____ __ _ _ _ ___ _ 1 2 3 4 5 6 1 J 32 ...

Страница 35: ... _ Wire Harnesses Actual harnesses may be different than illustrations 4 TRAY HOLDER a OPERATlON MANUAL d PACKING CASE U Non replaceable items 1 I 2 3 4 5 6 33 ...

Страница 36: ...R 430BK R 430BW R 430BD SHARR 980 SHARP CORP 3M2 70E Printed in U S A ...

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