Panasonic NN--MX21WF Service Manual Download Page 30 | Manualshive

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10/16/2016

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2.1 Check the grounding

Do not operate on a two wire extension cord. The microwave oven is designed to be grounded when used. It is
imperative, therefore, to ensure the appliance is properly grounded before beginning repair work.

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Summary of Contents for NN--MX21WF

Page 1: ...SIMMC 0303015A3 Microwave Oven NN MX21WF NN MX26WF QPQ Australia New Zealand HNE Hong Kong YNQ Singapore MNQ Malaysia TNE Thailand Indonesia LNK Philippines YKE Others KKE UAE Egypt Iran KNQ Kuwait Doha Qatar Oman Bahrain Pakistan SNM Saudi Arabia ZPE CIS Countries Please file and use this manual together with the service manual for Model NN MX20 25WF ORDER NO SIMMC0203003C3 or SIMMC0203004C3 ...

Page 2: ...h dehghani Desktop NN MX21WFOTSIMP_SIMMC0303015A3 viewing SGML_VIEW_DATA OT NN MX21WF SIMP s0000000000 html cover 2 3 2003 Shanghai Matsushita Microwave Oven Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law ...

Page 3: ...10 16 2016 s0000000000 html file C Users sh dehghani Desktop NN MX21WFOTSIMP_SIMMC0303015A3 viewing SGML_VIEW_DATA OT NN MX21WF SIMP s0000000000 html cover 3 3 TOP NEXT ...

Page 4: ...10 16 2016 SCHEMAT1 gif 538 750 file C Users sh dehghani Desktop NN S554MFOTSIMP_SIMMC0408030A3 viewing SGML_VIEW_DATA OT NN S554MF SIMP SCHEMAT1 gif 1 1 ...

Page 5: ... switch Secondary latch switch or Short switch to the door hook are required 2 When mounting the door hook assembly to the oven assembly adjust the door hook assembly by moving it in the direction of the arrows in the illustration so that the oven door will not have any play in it Check for play in the door by pullingthe door assembly Make sure that the latch keys move smoothly after adjustment is...

Page 6: ...rist watch or stopwatch NOTE Check the line voltage under load Low voltage will lower the magnetron output Take the temperature readings and heating time as accurately as possible 1 Fill the beaker with exactly one liter of tap water Stir the water using the thermometer and record the water s temperature recorded as T1 2 Place the beaker on the center of glass tray Set the oven for High power and ...

Page 7: ...10 16 2016 EXPLODED gif 727 537 file C Users sh dehghani Desktop NN S554MFOTSIMP_SIMMC0408030A3 viewing SGML_VIEW_DATA OT NN S554MF SIMP EXPLODED gif 1 1 ...

Page 8: ...574WF K544WF 8 F110D5Q00SAP CABINET BODY 1 S554MF 8 F110D5Q00HAP CABINET BODY 1 S554WF 9 F200A5R50CP OVEN 1 K593MF K574MF WF 9 F200A5R20BP OVEN 1 K544WF 9 F200A5Q30BP OVEN 1 S554MF WF 10 F20555Q00BP COVER 1 11 F21315G10XN PULLY SHAFT 1 12 F290D5Q00AP ROLLER RING U 1 13 F30205Q00AP DOOR HOOK 1 14 F31365Q00AP HOOK LEVER A 1 15 F400A5U00XN FAN MOTOR 1 16 F40085G10XN FAN BLADE 1 17 F40255Q00AP AIR GUI...

Page 9: ...NET BODY SIDE K574WF K544WF S554WF 45 XTCAFA4 12AFS SCREW 1 FOR CABINET BODY SIDE K593MF K574MF S554MF 51 F630G5R20GP HEATER AU 2 K593MF KTE PTE K574MF WF HPE TPE YTE LPK KTE STM ZPE 51 F630G5R20BP HEATER AU 2 K574MF WF MPQ YPQ K574WF KPQ 51 F630G6B80XN HEATER AU 2 K544WF KTE KUE HPE TPE YTE ZPE PTE 51 F630G5R00BP HEATER AU 2 K544WF MPQ 52 F64605R00BP HEATER SUPPORT 2 K593MF K574MF WF K544WF 55 F4...

Page 10: ...10 16 2016 Doorass gif 543 319 file C Users sh dehghani Desktop NN S554MFOTSIMP_SIMMC0408030A3 viewing SGML_VIEW_DATA OT NN S554MF SIMP Doorass gif 1 1 ...

Page 11: ...s D1 F30185Q00AP DOOR KEY A 1 D2 F30015Q00SBP DOOR A 1 K593MF K574MF EXCEPT LPK S554MF D2 F30015Q00SAP DOOR A 1 K574MF LPK D2 F30015Q00HBP DOOR A 1 K574WF K544WF S554WF EXCEPT LPK D2 F30015Q00HAP DOOR A 1 S554WF LPK D3 F302K5Q00AP DOOR E U 1 D4 F30215G10XN DOOR KEY SPRING 1 D5 F30855Q00AP DOOR C 1 D6 F31456V60XP DOOR SCREEN A 1 D7 F31465R90HP DOOR SCREEN B 1 K593MF K574MF WF K544WF D7 F31465Q00HP ...

Page 12: ...10 16 2016 WIRING gif 543 271 file C Users sh dehghani Desktop NN S554MFOTSIMP_SIMMC0408030A3 viewing SGML_VIEW_DATA OT NN S554MF SIMP WIRING gif 1 1 ...

Page 13: ...PREVIOUS NEXT Ref No Part No Part Name Description Pcs Set Remarks W1 F030A6D70XP LEAD WIRE HARNESS 1 K593MF KTE PTE K574MF WF EXCEPT STM ZPE K544WF EXCEPT ZPE W1 F030A5R30ZP LEAD WIRE HARNESS 1 K574WF STM K574MF ZPE K544WF ZPE W1 F030A6D50XP LEAD WIRE HARNESS 1 S554MF WF EXCEPT ZPE W1 F030A5Q00BP LEAD WIRE HARNESS 1 S554MF WF ZPE W2 F030E5Q00AP H V LEAD WIRE 1 TOP PREVIOUS NEXT ...

Page 14: ...10 16 2016 Packing gif 286 159 file C Users sh dehghani Desktop NN S554MFOTSIMP_SIMMC0408030A3 viewing SGML_VIEW_DATA OT NN S554MF SIMP Packing gif 1 1 ...

Page 15: ...MF ZPE P2 F01026W20HHP PACKING CASE PAPER 1 K544WF HPE TPE MPQ YTE P2 F01026W20HZP PACKING CASE PAPER 1 K544WF ZPE P2 F01026W20HKT PACKING CASE PAPER 1 K544WF KTE PTE KUE P2 F01026W40HHP PACKING CASE PAPER 1 S554WF HPE TPE YTE MPQ LPK P2 F01026W40HZP PACKING CASE PAPER 1 S554WF ZPE P2 F01026W40SYP PACKING CASE PAPER 1 S554MF MPQ YPQ P2 F01026W40SZP PACKING CASE PAPER 1 S554MF ZPE P3 F01045Q00AP UP...

Page 16: ... F04456W20TP OVERLAY 1 K544WF TPE P16 F04456W20MP OVERLAY 1 K544WF MPQ P16 F04456W20KT OVERLAY 1 K544WF KTE PTE KUE P16 F04456W20PT OVERLAY 1 K544WF PTE P16 F04456W20KU OVERLAY 1 K544WF KUE P16 F04456W40TP OVERLAY 1 S554WF TPE P16 F04456W40MP OVERLAY 1 S554MF WF MPQ P20 F91644000XN EARTH LEAD 1 TPE P21 F00324040XN EARTH CAUTION LABEL 1 TPE TOP PREVIOUS NEXT ...

Page 17: ...10 16 2016 SCHEMAT1 gif 538 750 file C Users sh dehghani Desktop NN S554MFOTSIMP_SIMMC0408030A3 viewing SGML_VIEW_DATA OT NN S554MF SIMP SCHEMAT1 gif 1 1 ...

Page 18: ...10 16 2016 ESCUTHEO gif 473 620 file C Users sh dehghani Desktop NN S554MFOTSIMP_SIMMC0408030A3 viewing SGML_VIEW_DATA OT NN S554MF SIMP ESCUTHEO gif 1 1 ...

Page 19: ...03L6W40LP D P CIRCUIT AU 1 S554WF LPK E1 F603L6W40ZP D P CIRCUIT AU 1 S554MF WF ZPE E2 F608E5R90HP D P CIRCUIT ABU 1 K593MF KTE PTE E3 F603Y5R90HP D P CIRCUIT DU 1 K593MF KTE PTE E4 F630Y6W40HHP MEMBRANE SWITCH U 1 S554WF HPE TPE YTE MPQ LPK E4 F630Y6W40SYP MEMBRANE SWITCH U 1 S554MF MPQ YPQ E4 F630Y6W40SZP MEMBRANE SWITCH U 1 S554MF ZPE E4 F630Y6W40HZP MEMBRANE SWITCH U 1 S554WF ZPE E4 F630Y6W10S...

Page 20: ... F00076W10KP NAME PLATE 1 K574WF KPQ E20 F00076W10ST NAME PLATE 1 K574WF STM E20 F00076W10ZP NAME PLATE 1 K574MF ZPE E20 F00076W10PT NAME PLATE 1 K574WF PTE E20 F00076W20HP NAME PLATE 1 K544WF HPE E20 F00076W20TP NAME PLATE 1 K544WF TPE E20 F00076W20MP NAME PLATE 1 K544WF MPQ E20 F00076W20YT NAME PLATE 1 K544WF YTE E20 F00076W20ZP NAME PLATE 1 K544WF ZPE E20 F00076W20KT NAME PLATE 1 K544WF KTE E20...

Page 21: ...N TOP PREVIOUS NEXT Ref No Part No Part Name Description Pcs Set Remarks Q701 A691E4V10GP TRANSISTOR SI 1 Q702 TRANSISTOR SI 1 DB701 AESTRS2006M DIODE SI 1 20A 600V D701 D702 A62024V00GP DIODE SI 2 0 3A C704 C705 ECWH30822JUA CAPACITOR 2 8200PF 3000VDC T701 F609A4V00XN H V TRANSFORMER 1 F607D4V00XN D P CIRCUIT KU 1 L701 F50204V00XN CHOKE COIL 1 CT701 F66904V00XN CURRENT TRANSFORMER 1 TOP PREVIOUS ...

Page 22: ...10 16 2016 Circuit1 gif 538 740 file C Users sh dehghani Desktop NN S554MFOTSIMP_SIMMC0408030A3 viewing SGML_VIEW_DATA OT NN S554MF SIMP Circuit1 gif 1 1 ...

Page 23: ...10 16 2016 Circuit2 gif 538 740 file C Users sh dehghani Desktop NN S554MFOTSIMP_SIMMC0408030A3 viewing SGML_VIEW_DATA OT NN S554MF SIMP Circuit2 gif 1 1 ...

Page 24: ...10 16 2016 CIRCUIT5 gif 542 725 file C Users sh dehghani Desktop NN S554MFOTSIMP_SIMMC0408030A3 viewing SGML_VIEW_DATA OT NN S554MF SIMP CIRCUIT5 gif 1 1 ...

Page 25: ...10 16 2016 CIRCUIT6 gif 542 725 file C Users sh dehghani Desktop NN S554MFOTSIMP_SIMMC0408030A3 viewing SGML_VIEW_DATA OT NN S554MF SIMP CIRCUIT6 gif 1 1 ...

Page 26: ...10 16 2016 CIRCUIT3 gif 542 725 file C Users sh dehghani Desktop NN S554MFOTSIMP_SIMMC0408030A3 viewing SGML_VIEW_DATA OT NN S554MF SIMP CIRCUIT3 gif 1 1 ...

Page 27: ...10 16 2016 CIRCUIT4 gif 542 725 file C Users sh dehghani Desktop NN S554MFOTSIMP_SIMMC0408030A3 viewing SGML_VIEW_DATA OT NN S554MF SIMP CIRCUIT4 gif 1 1 ...

Page 28: ...n CN2 AEEMMF00703W CONNECTOR 1 3 Pin K574MF WF CN3 F03524U00AP CONNECTOR 1 S554MF WF CN3 F03524U50AP CONNECTOR 1 K574MF WF K544WF CN4 AEEMXH00F04W CONNECTOR 1 4 Pin CN6 AEEM09FDZBTM CONNECTOR 1 9 Pin CX320 AEFOS800MG06 CERAMIC RESONATOR 1 8 0MHz EXCEPT YTE ZPE CX320 AEYXAT49 8MA CRYSTAL RESONATOR 1 8 0MHz YTE ZPE DISP110 AEDDHJ5U20XN LCD 1 S554MF WF DISP110 AEDDHJ5E40XN LCD 1 K574MF WF K544WF DISP...

Page 29: ...F WF K544WF R220 R222 R223 AERJ06J222R CHIP RESISTOR 3 2 2K 1 10W 5 R310 AERJ06J332R CHIP RESISTOR 1 3 3K 1 10W 5 R330 AERJ06J333R CHIP RESISTOR 1 33K 1 10W 5 R181 AERJ06J360R CHIP RESISTOR 1 36Ω 1 10W 5 S554MF WF R487 AERJ06J433R CHIP RESISTOR 1 43K 1 10W 5 K574MF WF R331 R441 AERJ06J471R CHIP RESISTOR 2 470Ω 1 10W 5 R360 AERJ06J472R CHIP RESISTOR 1 4 7K 1 10W 5 R480 R481 AERJ06J472R CHIP RESISTO...

Page 30: ...W_DATA OT NN S554MF SIMP s0201000000 html 2 1 1 1 2 1 Check the grounding TOP PREVIOUS NEXT Do not operate on a two wire extension cord The microwave oven is designed to be grounded when used It is imperative therefore to ensure the appliance is properly grounded before beginning repair work TOP PREVIOUS NEXT ...

Page 31: ...n CN6 AEEM17F9604S CONNECTOR 1 17 Pin CX320 AEFOS800MG06 CERAMIC RESONATOR 1 8 0MHz DISP110 AEDDHJ5R80EP LCD 1 DISP1 HOLDER F66175W00AP LCD HOLDER 1 F67525E40XN DIFFUSION SHEET 1 D10 D13 AESSRCT1A6 E DIODE 4 D40 D220 D225 AESS133T 77 DIODE 7 D25 AERZ511NS10D VARSITOR 1 D26 D27 AERZ102KD10A VARSITOR 2 D180 D189 AESQPY1112H CHIP LED 10 PIN1 PIN2 AEPINIPS 1E7 2 IC1 MN101C54CEL L S I 1 IC480 AEICUPC35...

Page 32: ...J433R CHIP RESISTOR 1 43K 1 10W 5 R331 R441 R496 AERJ06J471R CHIP RESISTOR 3 470Ω 1 10W 5 R360 R480 R481 AERJ06J472R CHIP RESISTOR 3 4 7K 1 10W 5 R97 AERJ06J683R CHIP RESISTOR 1 68K 1 10W 4 R486 AERJ06J684R CHIP RESISTOR 1 680K 1 10W 5 R440 AERJ06J512R CHIP RESISTOR 1 5 1K 1 10W 5 R93 AERJ06J622R CHIP RESISTOR 1 6 2K 1 10W 5 R97 AERJ06J683R CHIP RESISTOR 1 68K 1 10W 5 R10 R11 R311 AERDY2TJ102T CAR...

Page 33: ... when the AC input terminals are energized The power device Collector is directly connected to the aluminum heat sink The aluminum heat sink may be HOT due to heat energy therefore extreme care should be taken during servicing H V Inverter warning WARNING FOR INVERTER POWER SUPPLY U GROUNDING Check the high voltage inverter power supply circuit grounding The high voltage inverter power supply circ...

Page 34: ...ment terminals to the chassis ground with an insulated handle screwdriver to discharge Please be sure to touch thechassis ground side first and then short to the output terminals Discharging the high voltage capacitors WARNING There is high voltage present with high current capabilities in the circuits of the primary and secondary windings choke coil and heat sink of the inverter It is extremely d...

Page 35: ... NN S554MFOTSIMP_SIMMC0408030A3 viewing SGML_VIEW_DATA OT NN S554MF SIMP s0203000000 html 1 1 2 3 Part replacement TOP PREVIOUS NEXT When any part or component is to be replaced always ensure that the power cord is removed from the wall outlet TOP PREVIOUS NEXT ...

Page 36: ...ue to the operation of the interlock monitor switch replace all of the components primary latch switch secondary latch switch short switch and power relay B RY1 1 This is mandatory Refer to adjustments and measurements for the location of these switches 2 When replacing the fuse confirm that it has the appropriate rating for these models 3 When replacing faulty switches be sure the mounting tabs a...

Page 37: ...MF SIMP s0205000000 html 1 1 2 5 Avoid inserting nails wire etc through any holes in the unit during operation TOP PREVIOUS NEXT Never insert a wire nail or any other metal object through the lamp holes on the cavity or any holes or gaps because such objects may work as an antenna and cause microwave leakage TOP PREVIOUS NEXT ...

Page 38: ...suring microwave energy leakage CAUTION MICROWAVE RADIATION USE CAUTION NOT TO BECOME EXPOSED TO RADIATION FROM THE MICROWAVE MAGNETRON OR OTHER PARTS CONDUCTING MICROWAVE ENERGY IMPORTANT NOTICE The following components have potentials above 2000V while the appliance is operated Magnetron High voltage transformer Located on inverter U High voltage diodes Located on inverter U High voltage capacit...

Page 39: ...408030A3 viewing SGML_VIEW_DATA OT NN S554MF SIMP s0207000000 html 1 1 2 7 Sharp edges TOP PREVIOUS NEXT Caution Please use caution when unpacking installing or moving the unit as some exposed edges may be sharp to the touch and cause injury if not handled with care TOP PREVIOUS NEXT ...

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