Panasonic NN-A883WB Скачать руководство пользователя страница 45

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Ref. No.

Part No.

Part Name & Description

Qty

Remarks

E01176A50BP LOWER TRAY FILLER

E01695750BP SERVICE CENTRE LIST

E000B6A50EP COOK BOOK

E00036A50EP OPERATING INSTRUCTIONS

E290D5850GP ROLLER RING

E0211-1520

FOAM SHEET

E06015020GP 32L ENAMEL TRAY

E06014N30BP GLASS TRAY

E01176A50BP LOWER TRAY FILLER

P10

E06016A50BP 32L SQUARE WIRE RACK

P11

E06016A50BP 32L SQUARE ENAMEL TRAY

P12

E01086A50BP TRAY PACKING

P13

E06026A50BP SQUARE MID RACK

P14

E060V5870SP WIRE RACK

P15

E01049000BP UPPER FILLER

P16

E01059000BP LOWER FILLER

P17

E01926430GP PROTECTOR SHEET

P18

E01069010GS VINYL BAG

P19

E01024V20BP CARTON BOX

19. Parts List for Trim Kits

Содержание NN-A883WB

Страница 1: ...006C2 Microwave Oven NN A813AB NN A873SB NN A883WB 32 Litre EPG Europe SPECIFICATIONS 1995 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law ...

Страница 2: ...c shock High voltages may remain in the circuit 2 Do not touch the aluminium heat sink as it will become very hot It also contains high voltages 3 Do not attempt to repair the inverter PCB as this can be very dangerous Replace the high voltage inverter circuit as a complete unit Return the old unit fully repacked in the original shipping box and completed paper work 4 Do not adjust or tamper with ...

Страница 3: ...3ABEPG Microwave 6 Grill 3 Convection 17 Combination YES Sensor reheat 2 Sensor cook 2 Sensor combination 4 Weight defrost 3 Weight combination 8 Weight reheat Weight cook Stage cooking 3 Delay Stand YES More Less YES Kg lb oz YES Clock 12H Word prompt English Step by Step LED ...

Страница 4: ...3 Control Panel 4 Operation And Digital Programmer Circuit Test Procdure ...

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Страница 7: ...5 Schematic Diagram ...

Страница 8: ...s on to supply power to the inverter circuit The level of output power is controlled by the drive signal level from the inverter circuit as indicated in the table below NOTE 1 The ON OFF time ratio does not correspond with the percentage of microwave power since approximately 2 seconds are required for heating the magnetron filament NOTE 2 If microwave cooking is over 8 minutes on HIGH power the f...

Страница 9: ...t Cook When an auto control feature is selected and the start pad pressed 1 The Digital Programmer Circuit determines the power level and the cooking time and indicates the operating state in the display The table below shows the corresponding cooking times for each category and its respective weight 2 When the cooking time in the display window has elapsed the oven turns off automatically via the...

Страница 10: ...ower relays RY3 RY5 and RY6 in the sequence illustrated below 2 When the oven reaches a predetermined temperature the digital programmer circuit stops supplying power to the relay RY5 resulting in the convection heater turning off 3 When the temperature drops below the predetermined temperature the digital programmer circuit supplies power to the relay RY5 resulting in the convection heater turnin...

Страница 11: ...t microwave activity continues at the duty cycle selected The Inverter control signal level is also maintained The microwave activity continues to cycle until the entire cooking program is completed When the oven temperature drops below the selected temperature the Digital Programmer Circuit operates power relay RY5 switching on the heater elements In the case of grill combination the sequence app...

Страница 12: ...8 18 Low 440 66 0 Grill 3 36 30 Simmer 440 45 21 Warm 440 24 42 Grill Convection and Microwave Combination Duty Cycles CONVECTION HEATER GRILL HEATER MICROPOWER 100 250 C On Off Output W On seconds Off seconds Grill 1 66 0 Medium 600 66 0 Grill 2 48 18 Low 440 66 0 Grill 3 36 30 Simmer 440 45 21 Warm 440 24 42 Convection and Microwave Duty Cycles ...

Страница 13: ...select an auto sensor program before starting to cook Understanding Auto Sensor Cooking As food cooks a certain amount of steam is produced if the food is covered this steam builds up and eventually escapes from the container In Auto Sensor cooking a carefully designed instrument called the Humidity Sensor Element senses the escape escape of steam Based upon the Auto Sensor Program selected the un...

Страница 14: ...h voltage high current is device Though it is free from danger in ordinary use extreme care should be taken during repair Caution Servicemen should remove their watches whenever working close to or replacing the magnetron 8 1 Check the grounding Do not operate on a two wire extension cord The microwave oven is designed to be used when grounded It is imperative therefore to ensure the appliance is ...

Страница 15: ... If the inverter board is not grounded it will expose very high voltages and cause extreme DANGER Be sure that the inverter circuit is properly grounded via the inverter earth bracket Figure 2 Inverter Grounding WARNING DISCHARGE THE HIGH VOLTAGE CAPACITORS For about 30 seconds after the oven is turned off an electric charge remains in the high voltage capacitors in the inverter power supply circu...

Страница 16: ...e the voltage in the high voltage circuit including the filament voltage of the magnetron WARNING Never touch any circuit wiring with your hand nor with an insulated tool during operation 8 3 When parts must be replaced remove the power plug from the outlet 8 4 When the 10A fuse is blown due to the operation of the short switch WARNING When the 10A 250V fuse is blown due to the operation of the sh...

Страница 17: ...operly tightened 2 Make sure that all electrical connections are tight before inserting the plug into the wall outlet 3 Check for microwave energy leakage Refer to procedure for measuring microwave energy leakage CAUTION MICROWAVE RADIATION DO NOT BECOME EXPOSED TO RADIATION FROM THE MICROWAVE GENERATOR OR OTHER PARTS CONDUCTING MICROWAVE ENERGY IMPORTANT NOTICE The following components have poten...

Страница 18: ...h voltage leads from the magnetron 4 Remove the four screws holding the magnetron as shown in figure 2 NOTE After replacing the magnetron tighten the mounting screws making sure that there is no gap between the waveguide and the magnetron to prevent microwave leakage Caution When replacing the magnetron ensure that the antenna gasket is in place Note The magnetron used for this model is unique for...

Страница 19: ...oven chassis 6 Carefully remove the inverter PCB and support base from the oven 7 Remove the air guide E by un clipping the catch hooks 8 Remove the four screws holding the PCB to the inverter support base Caution when replacing the inverter power supply U 1 Make sure that grounding plate is in place 2 Securely tighten the grounding screw through the side of the chassis Base 3 Securely connect the...

Страница 20: ...ct all connectors from the DPC 2 Remove the four screws holding the escutcheon base and slide the escutcheon base upward slightly removal is easier with the door open 3 Release the flat cable 4 Remove the six screws holding the DPC DU assembly 5 Remove the door lever 6 Remove the nine screws holding the DPC AU assembly To remove escutcheon pad 1 Remove the escutcheon bracket from the escutcheon ba...

Страница 21: ...ly so that problems such as shorted contacts and uneven surfaces can be avoided Figure 5 Removal of DPC DU and DPC AU 9 4 Low voltage transformer and or power relays Note Be sure to ground your body to discharge any static before handling the DPC 1 Using a solder wick or a de soldering tool and a 30W soldering iron carefully remove all solder from the terminal pins of the low voltage transformer a...

Страница 22: ...e fan motor assembly 6 Detach the orifice assembly and the fan motor assembly from the oven assembly 7 Remove the fan blade from the fan motor by pulling outward Figure 6 Removing the fan motor 9 6 Door disassembly 1 Remove door C from door E by carefully pulling outward starting from the upper right hand corner using a flat blade screwdriver 2 Remove four screws holding the door E to the door A a...

Страница 23: ...r assembly is not mounted properly microwave power may leak from the clearance between the door and oven 3 Perform the microwave leakage test Figure 7 Disassembly of the door 9 7 Turntable Motor 1 Remove the motor cover by breaking off at the 8 spots indicated by the arrows 2 Disconnect the two lead wires connected to the turntable motor 3 Remove the turntable motor by removing the two screws Note...

Страница 24: ... 10 3 Disconnect the cables to the grill heater 4 Remove the grill cover by removing the 5 screws in figure 11 5 Remove the two screws holding the grill heater Figure12 6 Loosen the 2 screws holding the ceramic grill holders turn the holders to release the grill element 7 Remove the heater bracket D by using a flat blade screw driver to lever back the tabs 8 The grill element can now be removed fr...

Страница 25: ...eater Figure 12 Removing the grill element 9 9 Convection Element And Circulation Fan Motor 1 Remove one screw to remove the the exhaust guide D Figure 13 2 Remove the rear heater cover by removing the three screws Figure 13 3 Remove the temperature sensor by removing the two screws Figure 14 ...

Страница 26: ...ws from the oven base Figure 15 7 Carefully place hte oven onto its base and remove the backplate 8 Remove the nut holding the circulation fan Figure 16 9 Remove the circulation fan by removing the three screws Figure 16 10 Remove the convection element by removing the two screws Figure 16 Figure 13 Removing the rear heater cover Figure 14 ...

Страница 27: ...Removing the oven back plate Figure 15 Removing the base plate Figure 16 ...

Страница 28: ...attempt to measure this high voltage 3 Before touching any oven components or wiring always unplug the oven from its power source and discharge the high voltage capacitors 10 1 Primary Latch Switch Secondary Latch Switch and power relay B interlocks 1 Unplug the lead connectors to power relay B and verify the continuity of the power relay B 1 2 terminals 2 Unplug the lead connectors to the primary...

Страница 29: ...y terminals 2 Connect the test probes of the ohm meter to these leads 3 Test the continuity of the short switch with the door open and the door closed using the lowest ohm scale Door Open Door Closed Monitor switch 0 infinte 10 3 Magnetron Continuity checks can only indicate an open filament or a shorted magnetron To diagnose an open filament or shorted magnetron 1 Isolate the magnetron from the c...

Страница 30: ...he keypad matrix is shown on 10 5 Inverter Power Supply Caution DO NOT try to repair this inverter power supply Replace as a whole H V Inverter Unit Figure 3 Inveter power supply diagram 10 6 Inverter Power Supply Unit Warning Do not attempt to make any measurements in the high voltage circuitry of the inverter or magnetron ...

Страница 31: ...oss the sensor heater terminals Normal cold resistance should read approximately 4 5 ohms 2 Check the volatge across the sensor heater terminals It should read approximately 2 5VDC 3 In order to determine if the auto cooking by humidity sensor is working perform the following test 1 Place a water load 150cc in the oven 2 Press the auto reheat panel 3 Press the start pad 4 The humidty sensor detect...

Страница 32: ...ent is completed Completely tighten the screws holding the door hook assembly to the oven assembly 3 Reconnect the short switch primary switch and secondary latch switches and check the continuity of the monitor circuit and latch switches by following the component test procedures on page 11 2 Measurement of microwave output The output power of the magnetron can be determined by performing the IEC...

Страница 33: ...ure of the beaker Recorded as T2 4 The normal temperature rise at the high power position for each model is shown in the table Figure 2 Figure 1 Adjustment of latch switch assembly RATED OUTPUT TEMPERATURE RISE 1000W 8 C 12 Troubleshooting Guide ...

Страница 34: ...Fuses are not blown Fuses are not blown ...

Страница 35: ...Other problems Inverter circuit troubleshooting ...

Страница 36: ...Alternative method for toubleshooting the inverter circuit 13 Digital Programmer Troubleshooting Guide ...

Страница 37: ...How to check semiconductors 14 Exploded View ...

Страница 38: ... parts For spare part orders please use these part numbers and not the part description Important Safety Notice 1 Component identified by have special characteristics important for safety When replacing any of these components use only the manufacturers specified parts ...

Страница 39: ... CAM A 1 22 E61425180AP SHUTTER SWITCH 1 23 E22439000BP ADIABATIC MATERIAL A 1 24 E40474V00BP AIR GUIDE E 1 25 E09020000AK CUSHION RUBBER 1 26 E40309000GP AIR GUIDE D 1 27 E030E4V20BP HV LEAD WIRE 1 28 E606Y4V20GP INVERTER 1 29 E66014V00GP INVERTER EARTH BRACKET 1 30 E65854V00BP INVERTER SUPPORT BRACKET 1 31 E10214V20BP ADAPTOR PLATE 1 32 E610T6700BP OVEN LAMP 1 33 E31374830AP HOOK SPACER B 1 34 E...

Страница 40: ...H9000BP HUMIDITY SENSOR FIGARO 1 62 E40249000GP EXHAUST GUIDE A 1 63 E202N9000BP UPPER HEATER COVER 1 64 E64179000BP HEATER BRACKET A 1 65 E67579000BP HEATER BRKT D 1 66 E630H9000GP CONVECTION HEATER 1 67 E64189000BP HEATER BRACKET B 1 68 E607F9000BP HEATER COVER 1 69 E22429000BP ADIABATIC MATERIAL 1 70 E20339000BP HEATER COVER B 1 71 E41079000GP EXHAUST GUIDE B 1 72 E09230000AQ CUSHION RUBBER 1 7...

Страница 41: ... A813AB D1 E302A6A50SEP DOOR A ASSEMBLY 1 A873SB D2 E30214000AP DOOR KEY SPRING 1 D3 E30188000BP DOOR KEY A 1 D4 E302K9000BP DOOR E 1 D5 E30859000BP DOOR C 1 When ordering any door component also order door C this part may become damaged during dissassembly of the door 16 2 NN A883WB ...

Страница 42: ...R A ASSEMBLY 1 A883WB D2 E30214000AP DOOR KEY SPRING 1 D3 E30188000BP DOOR KEY A 1 D4 E302K9000BP DOOR E 1 D5 E30859000BP DOOR C 1 When ordering any door component also order door C this part may become damaged during dissassembly of the door 17 Escutcheon Base Assembly ...

Страница 43: ... BUTTON 1 A873SB E2 E80726A50HBP DOOR OPENING BUTTON 1 A883WB E3 E80375K00AP SPRING 1 E4 E82566A50BP DOOR OPENING LEVER 1 E5 E80876B20ABP EARTH SPRING 1 E6 E81896A50ABP DISPLAY WINDOW 1 E7 E00036A50EP NAMEPLATE 1 1 If the part you need is not numbered in the exploded view order the complete escutcheon base assembly E1 2 When ordering a new escutcheon base assembly E1 also order a new name plate E7...

Страница 44: ......

Страница 45: ... E06015020GP 32L ENAMEL TRAY 1 P8 E06014N30BP GLASS TRAY 1 P9 E01176A50BP LOWER TRAY FILLER 1 P10 E06016A50BP 32L SQUARE WIRE RACK 1 P11 E06016A50BP 32L SQUARE ENAMEL TRAY 1 P12 E01086A50BP TRAY PACKING 1 P13 E06026A50BP SQUARE MID RACK 1 P14 E060V5870SP WIRE RACK 1 P15 E01049000BP UPPER FILLER 1 P16 E01059000BP LOWER FILLER 1 P17 E01926430GP PROTECTOR SHEET 1 P18 E01069010GS VINYL BAG 1 P19 E0102...

Страница 46: ...No 2 Set Microwave Oven Model Number NN TKA80W E1603A510HBP 1 E1601A540HBP 1 NN A853WB NN TKA80M E1603A510NBP 1 E1601A540NBP 1 NN A823MB NN A873SB NN TKA80A E1603A510ABP 1 E1601A540ABP 1 NN A813AB Installation Guide A0003A810BP 20 Digital Programmer Circuit 20 1 DPC 1 ...

Страница 47: ...20 2 DPC 2 ...

Страница 48: ......

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