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Order Number MOP00100020C2

Microwave Oven

NN-A890WB / NN-A860WB / NN-A860CB

EPG Continental Europe

UPG France

SPECIFICATIONS

1

Содержание NN-A860CB

Страница 1: ...Order Number MOP00100020C2 Microwave Oven NN A890WB NN A860WB NN A860CB EPG Continental Europe UPG France SPECIFICATIONS 1...

Страница 2: ...2...

Страница 3: ...2000 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law 3...

Страница 4: ...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 b...

Страница 5: ...860WB NN A860CB UPG Microwave 6 6 6 6 Grill 3 3 3 3 Convection 17 17 17 17 Combination YES YES YES YES Sensor reheat 2 2 Sensor cook 2 2 Sensor combination 2 2 Weight defrost 2 2 2 2 Weight combinatio...

Страница 6: ...G NN A860WB NN A860CB UPG Word prompt 1 French 1 French Step by Step LED LED LED LED 1 None Dutch French Italian English 3 Control Panel 4 Operation And Digital Programmer Circuit Test Procedure 4 1 W...

Страница 7: ...4 4 Auto Weight Defrost 4 5 Delay Stand 4 6 Delay Start 7...

Страница 8: ...4 7 Child Lock 4 8 Grill Operation 4 9 Convection Operation 4 10 Turbo Bake Operation 8...

Страница 9: ...4 11 Combination Cooking Convection and Microwave 4 12 Combination Cooking CGrill and Microwave 9...

Страница 10: ...4 13 Combination Cooking Turbo Bake and Microwave 4 14 Auto Weight Cook Programs NN A860WB NN A860CB 10...

Страница 11: ...4 15 Auto Weight Cook Program NN A890WB 4 16 Auto Sensor and Sensor Combi Programs NN A890WB 5 Schematic Diagram 6 Wiring Diagram 11...

Страница 12: ...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 fan motor rotates for 1 min...

Страница 13: ...ts respective weight 2 When the cooking time in the display window has elapsed the oven turns off automatically via the control signal from the digital programmer circuit Note After auto cooking if th...

Страница 14: ...ch Weight Cooking Time 1 Fresh Vegatables 600 12m 36s 2 Fresh Fish 400 5m 3 Frozen Bread 100 4m 18s 4 Frozen Pizza 400 9m 5 Frozen Quiche 400 12m 40s 6 Frozen Gratin 400 12m 20s 7 Frozen Fries 300 11m...

Страница 15: ...operators the power relays as shown in the figures below When the oven temperature reaches the predetermined temperature the digital programmer circuit stops supplying power to relay RY5 resulting in...

Страница 16: ...0W 24 42 Grill And Microwave Combination Duty Cycles Grill Heater Micropower ON OFF OUTPUT ON OFF Grill 1 54 12 Medium 600W 66 0 Grill 2 42 24 Low 440W 66 0 Grill 3 34 32 Simmer 440W 45 21 Warm 440W 2...

Страница 17: ...sensor cook is a revolutionary way to cook by microwave without setting a power level or selecting a time All that is necessary is to select an auto sensor program before starting to cook Understandin...

Страница 18: ...conds is subtracted from the T0 time 3 T1 time T0 time 30 seconds 4 T2 time when the steam escapes from the cooking container placed in the oven the humidity sensor detects it and the microprocessor c...

Страница 19: ...erter Warnings DANGER HIGH VOLTAGE AND HIGH TEMPERATURE HOT LINE OF THE INVERTER POWER SUPPLY U This high voltage inverter power supply handles very high voltage and very high current for the magnetro...

Страница 20: ...rcuit 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...

Страница 21: ...ring 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 s...

Страница 22: ...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...

Страница 23: ...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 r...

Страница 24: ...en 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 b...

Страница 25: ...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 th...

Страница 26: ...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...

Страница 27: ...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...

Страница 28: ...ssembly 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...

Страница 29: ...0 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...

Страница 30: ...ter 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...

Страница 31: ...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...

Страница 32: ...Removing the oven back plate Figure 15 Removing the base plate Figure 16 32...

Страница 33: ...empt 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 Secon...

Страница 34: ...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 Mo...

Страница 35: ...atrix is shown on Key Board Matrix 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 In...

Страница 36: ...s 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 determi...

Страница 37: ...en 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 swi...

Страница 38: ...al 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 Gui...

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Страница 40: ...Fuses are not blown 40...

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Страница 43: ...Other problems 43...

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Страница 46: ...Inverter circuit troubleshooting 46...

Страница 47: ...47...

Страница 48: ...48...

Страница 49: ...Alternative method for toubleshooting the inverter circuit 13 Digital Programmer Troubleshooting Guide 49...

Страница 50: ...50...

Страница 51: ...How to check semiconductors 14 Exploded View 51...

Страница 52: ...s Please use these part numbers for part orders Do not use the description of the part Important safety notice 1 Components identified by mark have special characteristics important for safety When re...

Страница 53: ...IABATIC 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 E66014V00BP INVERTER EARTH BRA...

Страница 54: ...P 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 E607F90...

Страница 55: ...A4V20GP DOOR A ASSYM 1 NN A860CB D2 E30214000AP DOOR KEY SPRING 1 D3 E30188000BP DOOR KEY A 1 D4 E302K9000BP DOOR E 1 D5 E30859000BP DOOR C 1 D6 E30067300AP HINGE 1 When ordering any door component al...

Страница 56: ...escutchoen base also order the name plate 18 Packing And Accessories Ref No Part No Part Name Description Qty Remarks P1 E06435870SP RUBBER FOOT RED 3 P2 E060V5870SP WIRE RACK LOW 1 P3 E06014N30BP GLA...

Страница 57: ...No 8 E607X4V20BP Noise Filter U Ref No Part No Part Name Description Qty Remarks R1 ERG1SJ753P Resistor 1 75K W C1 C2 QETJ5225KRP2CE Capacitor 2 2 2 F C3 C4 ECKMNA472ME Capacitor 2 4700pF 250V AC L1...

Страница 58: ...No 1 Set Side strip REF No 2 Set Microwave Oven Model Number NN TKA80W E1603A510HBP 1 E1601A540HBP 1 NN A890WB NN A860WB NN TKA80C E1603A510BP 1 E1601A540BP 1 NN A860CB Instalation Guide A0003A810BP...

Страница 59: ...59...

Страница 60: ...22 Key Board Matrix 23 Digital Programmer Circuit Parts 23 1 E603L4V2UP EP E603L4V3UP EP DPCAU 60...

Страница 61: ...72 2 7K Chip Resistor 1 1 0 R137 R141 AERJ3GSYJ331 330 Chip Resistor 5 5 0 R514 AERJ3GSYJ364 360K Chip Resistor 1 1 0 R331 AERJ3GSYJ471 470 Chip Resistor 1 1 1 R224 R225 AERJ3GSYJ472 4 7K Chip Resisto...

Страница 62: ...stor 0 1 R310 ERSD2TJ182T 1 8K Resistor 1 1 Q10 2SD1859TV2 Transistor 0 1 Q226 AESAKTA200Y PNP Transistor 1 1 Q220 Q222 AESCKTC3199GR NPN Transistor 3 3 C10 EEUFC1C471B 470uF 16 V Elect Capa 1 1 C12 E...

Страница 63: ...Ref No Part No Part Name Description J603Y 4V20BP J603Y 4V30BP IC10 ETXMJ197X1BG Switching Power Supply 1 1 S 4V20 S 4V30 SM 63...

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