Sharp MODEL R-2197 Скачать руководство пользователя страница 5 | Manualshive

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R-2197

3

APPEARANCE VIEW

1. Digital Readout
2. DOUBLE QUANTITY pad
3. EXPRESS DEFROST pad
4. Number pads for time and memory program-

ming

5. SELECT TIME pad
6. STOP/CLEAR pad; touch to stop operation of

oven and clear remaining heating time

7. SELECAT POWER pad for setting variable

power level

8. START pad; touch to operate oven after door

is closed and time is set

9. SET pad for setting memory
10.CHECK pad for checking memory
11.SIGNAL pad for setting signal sound

OVEN

1. Oven light
2. Ceramic shelf
3. Control panel
4. Cavity face plate
5. Door latch openings
6. Door latches
7. Door hinges
8. Door seals and sealing surfaces
9. Door handle
10.Oven door with see-through window
11.Air ventilation cover and openings
12.Power supply cord
13.Air intake openings
14.Outer case cabinet

TOUCH CONTROL PANEL

12

11

7

10

9

5

4

3

13

14

8

1

2

6

DEF

ON

NO. X2 CHECK

1

3

4

6
8
11

2

5

7
9
10

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Содержание MODEL R-2197

Страница 1: ...S Page CAUTION MICROWAVE RADIATION 1 WARNING 1 PRODUCT SPECIFICATIONS 2 GENERAL INFORMATION 2 APPEARANCE VIEW 3 OPERATION SEQUENCE 4 FUNCTION OF IMPORTANT COMPONENTS 5 SERVICING 6 TEST PROCEDURE 8 TOUCH CONTROL PANEL ASSEMBLY 14 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 21 MICROWAVE MEASUREMENT 27 WIRING DIAGRAM 28 PICTORIAL DIAGRAM 29 CONTROL PANEL CIRCUIT 30 PRINTED WIRING BOARD 31 PARTS LI...

Страница 2: ...R 2197 ...

Страница 3: ...hile 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 carried out only by trained service engineers All the parts mark...

Страница 4: ... mm Cooking Cavity Dimensions Width 351 mm Height 211 mm Depth 372 mm Control Complement Touch Control System Timer 0 99 minutes and 99 seconds Microwave Power for Variable Cooking Repetition Rate P HI Full power throughout the cooking time P 90 approx 90 of Full Power P 80 approx 80 of Full Power P 70 approx 70 of Full Power P 60 approx 60 of Full Power P 50 approx 50 of Full Power P 40 approx 40...

Страница 5: ... is closed and time is set 9 SET pad for setting memory 10 CHECK pad for checking memory 11 SIGNAL pad for setting signal sound OVEN 1 Oven light 2 Ceramic shelf 3 Control panel 4 Cavity face plate 5 Door latch openings 6 Door latches 7 Door hinges 8 Door seals and sealing surfaces 9 Door handle 10 Oven door with see through window 11 Air ventilation cover and openings 12 Power supply cord 13 Air ...

Страница 6: ...op switch COM NO Closed Opened Monitor Switch COM NC Opened Closed The circuit to the high voltage transformer fan motor oven lamp and antennamotor are cut off when the 1st latch switch 2nd latch switch and stop switch are made open Shown in the display is remaining time 6 MONITOR SWITCH CIRCUIT The monitor switch is mechanically controlled by the oven door and monitors the operation of the 1st la...

Страница 7: ...rature goes up higher than 145 C because the fan motor is interrupted or the ventilation openings are blocked the thermal cut out will open and line voltages to the high voltage transformer will be cut off and the operation of the magnetron will be stopped The thermal cut out will not resume THERMAL CUT OUT 125 C OVEN The thermal cut out located on the top of the oven cavity is designed to prevent...

Страница 8: ...ved in this event carry out 3D checks and then disconnect the leads to the primary of the high voltage transformer Ensure that these leads remain isolated from other components and the oven chassis Use insulation tape if necessary When the testing is completed carry out 3D checks and reconnect the leads to the primary of the high voltage transformer When all service work is completed and the oven ...

Страница 9: ...k cycle Oven goes into a cook cycle but extremely uneven heating is produced in oven load food Oven does not cook properly when programmed for Cooking Power 5 mode Operates properly on Cooking Power 10 HIGH mode EE9 Maximum time is exceeded OFF CONDITION COOKING CONDITION ERROR MODE MAGNETRON HIGH VOLTAGE TRANSFORMER H V RECTIFIER ASSEMBLY HIGH VOLTAGE CAPACITOR THERMAL CUT OUT 1ST LATCH SWITCH 2N...

Страница 10: ...mperature of the oven and vessel The oven and the empty vessel are at ambient temperature prior to the start the test 3 Temperature of the water The initial temperature of the water is 10 2 C 4 Selecttheinitialandfinalwatertemperaturesothatthemaximumdifferencebetweenthefinalwater temperature and the ambient temperature is 5 C 5 Select stirring devices and measuring instruments in order to minimize...

Страница 11: ...eter leads and note this second reading The normal resistance is infinite in one direction and more than 100 kΩ in the other direction CARRY OUT 4R CHECKS NOTE FOR MEASUREMENT OF THE RESISTANCE OF THE RECTIFIER THE BATTERIES OF THE MEASURING INSTRUMENT MUST HAVE A VOLTAGE AT LEAST 6 VOLTS BECAUSE OTHERWISE AN INFINITE RESISTANCE MIGHT BE SHOWN IN BOTH DIRECTIONS CARRY OUT 3D CHECKS Disconnect the ...

Страница 12: ...ut out An open circuit thermal cut out MG indicates that the magnetron has overheated this may be due to resistricted ventilation cooling fan failure or a fault condition within the magnetron or HV circuit An open circuit thermal cut out OVEN indicates that the food in the oven cavity may catch fire this may be due to over heating produced by improper setting of the cooking timer or failure of the...

Страница 13: ...ional microwave ovens proper maintenance can not be performed with only a voltmeter and ohmmeter In this service manual the touch control panel assembly is divided into two units Control Unit and Key Unit and troubleshooting by 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...

Страница 14: ...king momentary contact If the control unit responds by clearing with a beep the key unit is faulty and must be replaced If the control unit does not respond it is a faulty and must be replaced If a specific pad does not respond the above method may be used after clearing the control unit to determine if the control unit or key pad is at fault CARRY OUT 3D CHECKS Remove the outer case and check vol...

Страница 15: ... 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 CHECKS BE...

Страница 16: ... them are explained below 1 Control Unit Signal of key touch and oven function control are all processed by one microcomputer 1 Power Supply Circuit This circuit changes output voltage at the secondary side of the low voltage T1 transformer to voltages required at each part by full wave rectifying circuit constant voltage circuit etc 2 ACL Circuit This is an Auto clear Circuit i e a reset circuit ...

Страница 17: ...erminal not used 19 P47 OUT Signal to sound buzzer This signal is to control the 2 5kHz con tinuous signal through IC3 A key touch sound B Guidance sound C Completion sound 20 P46 OUT Oven lamp Fan motor and Antenna motor driving signal Square Waveform 50Hz To turn on and off the shut off relay RY3 The Square waveform voltage is delivered to the RY3 driving circuit and relays RY2 COOK RE LAY contr...

Страница 18: ...s on key matrix is touched a corresponding signal will be input into P24 37 38 P23 P22 OUT Terminal not used 39 40 P21 P20 OUT Segment data signals The relation between signals and indicators are as follows Signal Segment Signal Segment P21 P20 1 P05 P04 7 P17 P16 2 P03 P02 8 P15 P14 3 P01 P00 9 P13 P12 4 P11 P10 5 P07 P06 6 41 48 P17 P10 OUT Segment data signal Signal similar to P21 49 56 P07 P00...

Страница 19: ...56 registers x 8bits enabling individual access read and write operations to be performed Details of input output signal for IC2 are as shown in the following diagram 2 2 Memory IC IC2 FUNCTIONAL DIAGRAM E PROM 256 x 8 2 START STOP LOGIC CONTROL LOGIC SLAVE ADDRESS REGISTER COMPARATOR H V GENERATION TIMING CONTROL 64 YDEC 8 DATA REGISTER Dout CK 3 1 5 64 XDEC START CYCLE INC LOAD WORD ADDRESS COUN...

Страница 20: ... remove the aluminium foil applied for preventing static electricity 2 Connect the connectors of the key unit to the control unit being sure that the lead wires are not twisted 3 After aluminium foil is removed be careful that abnor mal voltage due to static electricity etc is not applied to the input or output terminals 4 Attach connectors electrolytic capacitors etc to PWB making sure that all c...

Страница 21: ...78 times Flashing 0 1sec BUZZER PAD DISPLAY INDICATOR PHONE Door close CHECK CHECK No CHECK 1 82 68 CHECK user total count 2 SIGNAL SIGNAL DOUBLE 34 56 QUANTITY service total count upper figure 3456XX 1 No 1 1 No after 1 sec 34 56 service total count upper figure 2 No 2 2 No after 1 sec 78 service total count lower figure CHECK 2 Practice for checking total operation time Ex 4567 hours Flashing 0 ...

Страница 22: ...of each stage 1 1 After 10 of total cooking time is passed 9 9 After 90 of total cooking time is passed START A There is no pause OTHER SETTING AND CHECKING PROCEDURE 1 EXPRESS DEFROST T STG1 STG 2 STG3 STG A x T B 1 To set the constants of Express defrost Ex 0 20T 60 at 1st stage 0 15T 40 at 2nd stage 0 65T 20 at 3rd stage Flicker 0 1 sec BUZZER PAD ORDER DISPLAY PHONE Door close SET SET NO withi...

Страница 23: ...er metallic plate 4 Movable parts to prevent a fault Fan blade Fan motor Switch Switch lever and antenne motor 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 wire leads correctly referring t...

Страница 24: ...ng the screws hold the mag netron to prevent it from falling 6 Remove the magnetron from the waveguide with care so the magnetron antenna is not hit by any metal object around the antenna CAUTION WHEN REPLACING THE MAGNETRON BE SURE THE R F GASKET IS IN PLACE AND THE MAGNETRON MOUNTING SCREWS ARE TIGHTENED SECURELY CONTROL PANEL ASSEMBLY 1 CARRY OUT 3D CHECKS 2 Disconnect the main wire harness fro...

Страница 25: ... rotor is easily shaven by pliers and metal pieces may be produced Do not touch the pliers to the coil of the fan motor because the coil may be cut or injured Do not disfigure the bracket by touching with the pliers 10 Remove the fan blade from the shaft of the fan motor by pulling and rotating the fan blade with your hand 11 Now the fan blade will be free FAN MOTOR REPLACEMENT CAUTION Do not reus...

Страница 26: ...s in the middle position 2 Re connect wire leads to each switch Refer to pictorial diagram 3 Secure latch hook with two 2 mounting screws to oven flange 1ST LATCH SWITCH 2ND LATCH SWITCH SWITCH STOP SWITCH AND MONITOR SWITCH REMOVAL Figure C 4 Switches If the 1st latch switch 2nd latch switch stop switch and monitor switch do not operate properly due to a mis adjustment the following adjustment sh...

Страница 27: ...E REMOVAL 12 Release the latch spring from the tab of the latch angle assembly 13 Remove the two 2 screws holding the door handle and the latch angle assembly through the door frame 14 Now door handle is free DOOR PARTS REPLACEMENT LATCH HEADS REMOVAL 15 Remove the one 1 screw holding the latch angle assembly to the door frame 16 Remove the latch angle assembly together with the latch lever latch ...

Страница 28: ...ht or light tight Therefore occasionalappearanceofmoisture light or sensing of gentle warm air movement around oven door is not abnormal and do not in themselves indicate a leakage of microwave energy from oven cavity Figure C 7 Door Replacement 1 Disconnect the oven from the power supply 2 Open the oven door and wedge it open 3 Make sure that the smooth surface of the ceramic shelf face up 4 Make...

Страница 29: ...microwave 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 ...

Страница 30: ... 240V 50Hz BLU BRN LIVE NEUTRAL G Y FUSE M10A N L DISCHARGE RESISTOR 680 kΩ NOISE SUPPRESSION COIL LINE BYPASS CAPACITOR 0 0033µF AC 250V DISCHARGE RESISTOR 10MΩ LINE BYPASS CAPACITOR 0 0033µF AC 250V LINE CROSS CAPACITOR 0 068µF AC 250V NOISE FILTER H V FUSE 0 75A HIGH VOLTAGE TRANSFORMER MAGNETRON H V RECTIFIER CAPACITOR 1 08µF AC2400V ANTENNA MOTOR FAN MOTOR OVEN LAMP STOP SWITCH MONITOR SWITCH...

Страница 31: ... O COM ORG ORG WHT WHT BRN RED PNK ANTENNA MOTOR MONITOR SWITCH GRY GRY RED YLW ORG YLW PNK PNK IC1 RY2 T1 RY3 CN G CN A 7 1 1 2 CN B 2 3 4 5 1 PNK WHT CN A NEUTRAL EARTH GRN GRY N O COM COM YLW YLW RED YLW N O STOP SWITCH Oven side 1ST LATCH SWITCH Cabinet side 2ND LATCH SWITCH CONTROL UNIT MONITOR RESISTOR 2 1 GRN G R N G R N GRY CN B BRN RED ORG WHT NOTE Neutral ORG wire must be connected to th...

Страница 32: ...52 P51 P50 P47 P46 P45 P44 P43 P42 INT1 P40 RESET P71 P70 XIN XOUT VSS 1 5 15 10 20 25 30 33 P30 P31 P32 P33 P34 P35 P36 P37 P00 P01 P02 P03 P04 P05 P06 P07 P10 P11 P12 P13 P14 P15 P16 P17 P20 P21 P22 P23 P24 P25 P26 P27 32 35 40 45 50 55 60 64 IC1 IZA897DR CF1 CST4 00MGW R80 4 7k R81 4 7k R82 4 7k R83 4 7k R88 4 7k R87 4 7k R86 4 7k R85 4 7k R84 4 7k R50 100 R51 100 R52 100 R53 100 R54 100 R55 10...

Страница 33: ...3 C80 R68 J5 J6 C6 C5 Q2 JJ C64 R65 R66 E B IC2 R31 R32 E Q60 CN G CN B MICRO 1 MICRO 2 CN D R84 IC1 JF JC JB C10 R102 C100 D100 TB2 J7 D5 OL B B E E Q21 Q24 R6 ZD3 SM TTM TB1 R100 Q23 J9 D10 C3 B E D21 D22 11 12 T1 P P S VRS1 VRS2 POWER CN A POWER C1 E B Q22 R40 SP1 10 C62 B R33 R3 C7 ZD2 2 3 6 5 7 J4 J3 4 R67 IC3 R5 C30 C31 1 1 12 3 1 1 33 32 25 20 15 40 50 55 64 3 3 1 1 7 1 60 16 9 8 4 5 8 DIP ...

Страница 34: ...10V 1 AA C4 RC KZA087DRE0 Capacitor 0 1 uF 50V 1 AA C5 VCEAB31AW476M Capacitor 47 uF 10V 1 AA C6 RC KZA087DRE0 Capacitor 0 1 uF 50V 1 AA C7 VCKYD11CY103N Capacitor 0 01 uF 16V 1 AA C8 9 RC KZA087DRE0 Capacitor 0 1 uF 50V 2 AA C20 VCEAB31HW104M Capacitor 0 1 uF 50V 1 AM C21 VCEAB31EW106M Capacitor 10 uF 25V 1 AA C30 VCEAB31AW476M Capacitor 47 uF 10V 1 AA C31 VCKYD11CY103N Capacitor 0 01 uF 16V 1 AA...

Страница 35: ...ake duct 1 AF 4 24 PCUSGA249WRP0 Cushion 1 AA 4 25 PCUSUA235WRP0 Cushion 1 AE 4 26 PCUSUA511WRP0 Cushion 2 AC 4 27 PCUSUA329WRP0 Cushion 1 AC 4 28 PCUSUA514WRP0 Cushion 1 AB 4 29 PPACGA073WRE0 Cushion 1 AP 4 30 PCUSUA515WRP0 Cushion 1 AD 4 31 PSHEPA668WRE0 Cover 1 AK 4 32 PCLICA034WRE0 Hand clip 3 AD DOOR PARTS 5 1 FDORFA322WRT0 Door panel assembly 1 AZ 5 2 PSHEPA649WRE0 Sealer film 1 AB 5 3 FANGK...

Страница 36: ... 1 XHPSD40P08K00 Screw 4mm x 8mm 9 AA 7 2 XEPSD40P25000 Screw 4mm x 25mm 2 AA 7 3 XOTSD40P12RV0 Screw 4mm x 12mm 12 AA 7 4 LX CZA052WRE0 Special screw 2 AA 7 5 LX EZA042WRE0 Special screw 2 AB 7 6 XBPWW40P04000 Screw 4mm x 4mm 1 AB 7 7 XFPSD40P08000 Screw 4mm x 8mm 1 AA 7 8 XBPSD30P28KS0 Screw 3mm x 28mm 1 AA 7 9 XHPSD30P06000 Screw 3mm x 6mm 1 AA 7 10 XHTSD40P08RV0 Screw 4mm x 8mm 4 AA 7 11 XOTSD...

Страница 37: ... 1 3 1 3 1 5 4 29 1 16 7 5 4 16 7 3 7 11 2 5 4 31 4 7 1 1 4 6 4 6 4 24 2 4 4 10 2 1 4 14 7 1 4 8 7 14 2 3 7 10 7 3 7 3 4 11 1 14 1 2 7 8 6 3 4 22 4 17 4 27 7 3 4 26 7 3 7 1 1 4 1 12 1 4 4 26 4 15 7 9 7 10 7 2 1 7 7 1 7 1 1 6 4 30 2 4 2 2 4 13 4 12 7 11 7 3 7 10 7 10 7 1 1 8 1 17 4 2 4 28 4 25 4 1 7 6 7 13 7 13 7 13 4 9 4 21 4 18 1 10 1 9 4 23 6 4 x2 4 32 x3 1 18 ...

Страница 38: ... PARTS MISCELLANEOUS 3 2 2 6 5 3 2 3 3 2 1 3 2 3 1 3 3 3 3 3 3 3 3 Actual wire harness may be different from illustration 5 5 5 10 5 6 5 17 5 4 2 5 4 4 5 16 5 16 6 2 5 15 5 7 5 8 5 8 5 9 5 14 5 19 5 19 5 11 5 12 5 12 5 3 5 4 4 5 4 1 5 1 5 4 3 5 13 5 13 5 21 5 20 5 4 5 18 5 2 5 16 5 16 x4 x2 ...

Страница 39: ...BOOK TOP PAD ASSEMBLY FPADBA385WRK0 BOTTOM PAD ASSEMBLY FPADBA386WRK0 WRAP COVER SSAKHA034WRE0 DOOR PROTECTION SHEET SPADPA204WRE0 PACKING CASE SPAKCD153WRE0 Not Replaceable Items TRAY HOLDER SPADFA435WRE0 Into the Oven Cavity 6 1 MENU STICKER 6 6 ...

Страница 40: ...R 2197 38 98SHARP CORP 9S0 730E Printed in Australia ...

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