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Panasonic NN-C784MF, Service Manual

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Panasonic NN-C784MF Service Manual Download Page 7

6/17/2017

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2 CAUTIONS TO BE OBSERVED WHEN
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Unlike many other appliances, the microwave oven is a high voltage, high current device. It is free from danger
in ordinary use, though extreme care should be taken during repair.

Caution

Servicemen should remove their watches whenever working close to or replacing the magnetron.

2.1 Check the grounding

2.2 Inverter warnings

2.3 Part replacement.

2.4 When the 10A fuse is blown due to the operation of the short switch:

2.5 Avoid inserting nails, wire etc. through any holes in the unit during operation.

2.6 Confirm after repair

2.7 Sharp edges

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Summary of Contents for NN-C784MF

Page 1: ...rvice Manual TOP NEXT ORDER NO SIMMC0408027A3 Microwave Oven NN C784MF NN C784WF HPE Hong Kong YPQ Singapore MPQ Malaysia TPE Thailand Indonesia YTE Others KTE UAE KUE Egypt PTE Iran KPQ Kuwait Doha Qatar Oman Bahrain Pakistan STM Saudi Arabia ZPE CIS Countries Please file and use this manual together with the service manual for Model NN C781JF ORDER NO SIMMC0110022C3 ...

Page 2: ...ical ssvvcc Dehghani 20 20Map panasonic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 2 3 2004 Panasonic Home Appliances Microwave Oven Shanghai Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law ...

Page 3: ...6 17 2017 s0000000000 html file royalfs Service Technical ssvvcc Dehghani 20 20Map panasonic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 3 3 TOP NEXT ...

Page 4: ...royalfs Service Technical ssvvcc Dehghani 20 20Map panasonic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 1 1 1 SCHEMATIC DIAGRAM TOP PREVIOUS NEXT 1 1 NN C784MF WF EXCEPT ZPE 1 2 NN C784MF ZPE TOP PREVIOUS NEXT ...

Page 5: ...6 17 2017 SCHEMAT1 gif 538 723 file royalfs Service Technical ssvvcc Dehghani 20 20Map panasonic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 1 1 ...

Page 6: ...6 17 2017 SCHEMAT2 gif 538 722 file royalfs Service Technical ssvvcc Dehghani 20 20Map panasonic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 1 1 ...

Page 7: ...ltage high current device It is free from danger in ordinary use though extreme care should be taken during repair Caution Servicemen should remove their watches whenever working close to or replacing the magnetron 2 1 Check the grounding 2 2 Inverter warnings 2 3 Part replacement 2 4 When the 10A fuse is blown due to the operation of the short switch 2 5 Avoid inserting nails wire etc through any...

Page 8: ...voltage HOT so do not touch when the AC input terminals are energized The power devices 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 voltag...

Page 9: ...inal of the magnetron filament 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 ...

Page 10: ...ehghani 20 20Map panasonic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 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 11: ...lown due 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 ...

Page 12: ...ing SGML_VIEW_DATA OT NN C784M 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 13: ... for measuring 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...

Page 14: ...nic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 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 ...

Page 15: ...i 20 20Map panasonic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 1 1 3 MEASUREMENTS AND ADJUSTMENTS TOP PREVIOUS NEXT 3 1 Adjustment of primary latch switch secondary latch switch and short switch 3 2 Measurement of microwave output TOP PREVIOUS NEXT ...

Page 16: ...atch 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 adjustmen...

Page 17: ... thermometer Wrist 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 H...

Page 18: ... thermometer Wrist 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 H...

Page 19: ...Map panasonic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 1 1 4 EXPLODED VIEW AND PARTS LIST TOP PREVIOUS NEXT 4 1 EXPLODED VIEW 4 2 PARTS LIST 4 3 DOOR ASSEMBLY 4 4 WIRING MATERIALS 4 5 ESCUTCHEON BASE ASSEMBLY 4 6 PACKING AND ACCESSORIES TOP PREVIOUS NEXT ...

Page 20: ...6 17 2017 Exploded gif 727 537 file royalfs Service Technical ssvvcc Dehghani 20 20Map panasonic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 1 1 ...

Page 21: ...V00HP CAUTION LABEL 1 EXCEPT ZPE 2 F00066W10ZP CAUTION LABEL 1 ZPE 3 F00076V50SHP NAME PLATE 1 C784MF HPE 3 F00076V50SMP NAME PLATE 1 C784MF MPQ 3 F00076V50SYP NAME PLATE 1 C784MF YPQ 3 F00076V50SYT NAME PLATE 1 C784MF YTE 3 F00076V50STP NAME PLATE 1 C784MF TPE 3 F00076V50SKT NAME PLATE 1 C784MF KTE 3 F00076V50SKP NAME PLATE 1 C784MF KPQ 3 F00076V50SST NAME PLATE 1 C784MF STM 3 F00076V50SPT NAME P...

Page 22: ...LATCH SWITCH 29 A61425180AP MICRO SWITCH 1 L 3C2 2 SECONDARY LATCH SWITCH 30 F61456V50HP THERMAL CUTOUT 2 31 A61785180AP MICRO SWITCH 1 L 2C2 2 SHORT SWITCH 32 A62304210BP FUSE 1 10A 250V 33 F63265U00XN TURNTABLE MOTOR 1 34 F64504J00XN SENSOR COVER B 1 35 F65434X80MN SENSOR COVER C 1 36 F65854Y60XN INVERTER BRACKET 1 37 F67634X80MN INVERTER BRACKET B 1 38 F66624X80MN GROUNDING PLATE 1 40 A62314000...

Page 23: ... 1 61 F41585850AP FAN BRACKET B 1 62 F41635850AP FAN SPACER C 1 63 A420P5850AP HEATER FAN AXLETREE U 1 65 A40604X80MN BELT A 1 66 F41795G00XN HEATER FAN MOTOR 1 EXCEPT STM 66 F41795G00SN HEATER FAN MOTOR 1 STM 67 F40085020AQ FAN BLADE 1 68 F41805G00XN HEATER FAN MOTOR BRACKET 1 72 F0922000AD CUSHION RUBBER C 1 AIR GUIDE B 73 F0005 4S10 EARTH LABEL 1 TPE 74 F02395E20KN CORD CAUTION LABEL 1 KTE KPQ ...

Page 24: ...6 17 2017 Doorass gif 366 289 file royalfs Service Technical ssvvcc Dehghani 20 20Map panasonic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 1 1 ...

Page 25: ...3 DOOR ASSEMBLY TOP PREVIOUS NEXT Ref No Part No Part Name Description Pcs Set Remarks D1 F302K4J00XN DOOR E U 1 D3 F3044 1640 RIGHT DOOR ARM 1 D4 F30854J00XN DOOR C 1 D5 F3252 1450 DOOR ARM SPACER 1 D6 XTNFA3 7Q SCREW 8 D7 F3054 1640 LEFT DOOR ARM 1 D8 F3230 1600 DOOR KEY SPRING B 1 D9 F302A6V50SHP DOOR A U 1 C784MF D9 F302A6V50HKT DOOR A U 1 C784WF TOP PREVIOUS NEXT ...

Page 26: ...6 17 2017 WIRING gif 543 271 file royalfs Service Technical ssvvcc Dehghani 20 20Map panasonic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 1 1 ...

Page 27: ...c784mf viewing SGML_VIEW_DATA OT NN C784M 1 1 4 4 WIRING MATERIALS TOP PREVIOUS NEXT Ref No Part No Part Name Description Pcs Set Remarks W1 F030A5G00XN LEAD WIRE HARNESS 1 EXCEPT STM ZPE W1 F030A5G00ZP LEAD WIRE HARNESS 1 STM ZPE W2 F030E4X80MN H V LEAD WIRE 1 W4 AECQJ5335KRP CAPACITOR 1 EXCEPT STM ZPE TOP PREVIOUS NEXT ...

Page 28: ...6 17 2017 ESCUTHEO gif 473 419 file royalfs Service Technical ssvvcc Dehghani 20 20Map panasonic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 1 1 ...

Page 29: ...PQ E1 F603L5G00TN D P CIRCUIT 1 YTE TPE E1 F603L5G00SN D P CIRCUIT 1 KTE STM PTE KUE E1 F603L5G00KN D P CIRCUIT 1 KPQ E1 F603L5G00ZP D P CIRCUIT 1 ZPE E2 F630Y6V50SHP MEMBRANE SWITCH 1 C784MF HPE MPQ YPQ YTE TPE E2 F630Y6V50SKT MEMBRANE SWITCH 1 C784MF KTE KPQ STM PTE E2 F630Y6V50SZP MEMBRANE SWITCH 1 C784MF ZPE E2 F630Y6V50HKT MEMBRANE SWITCH 1 C784WF KTE KPQ STM PTE KUE E3 F80346V50SHP ESCUTCHEO...

Page 30: ...6 17 2017 PACKING gif 1900 1193 file royalfs Service Technical ssvvcc Dehghani 20 20Map panasonic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 1 1 ...

Page 31: ...784MF KTE PTE P5 F01026V50SKP PACKING CASE PAPER 1 C784MF KPQ STM P5 F01026V50SZP PACKING CASE PAPER 1 C784MF ZPE P5 F01026V50HKT PACKING CASE PAPER 1 C784WF KTE PTE KUE P5 F01026V50HKP PACKING CASE PAPER 1 C784WF KPQ STM P6 F01044J00XN UPPER FILLER 1 P7 F01054J00XN LOWER FILLER 1 P8 F01064W00AP P E BAG 1 P9 F01078100XN DOOR SHEET 1 P10 F01084J00XN TRAY PACKING 1 P12 F04456V50SMP OVERLAY 1 MPQ YPQ...

Page 32: ...royalfs Service Technical ssvvcc Dehghani 20 20Map panasonic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 1 1 5 DIGITAL PROGRAMMER CIRCUIT TOP PREVIOUS NEXT 5 1 SCHEMATIC DIAGRAM 5 2 PARTS LIST TOP PREVIOUS NEXT ...

Page 33: ...6 17 2017 CIRCUIT1 gif 1036 1312 file royalfs Service Technical ssvvcc Dehghani 20 20Map panasonic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 1 1 ...

Page 34: ...6 17 2017 CIRCUIT2 gif 1040 1319 file royalfs Service Technical ssvvcc Dehghani 20 20Map panasonic 20map macro cofard 20 E nn c784mf viewing SGML_VIEW_DATA OT NN C784M 1 1 ...

Page 35: ...CN4 AEEMMF00D04W CONNECTOR 1 4 Pin CN5 AEEM09FDZBTM CONNECTOR 1 CN6 AEEMMF00703R CONNECTOR 1 3 Pin CX320 AEYXAT49 8MA CRYSTAL RESONATOR 1 8 00MHz YTE TPE ZPE CX320 AEFOS800MG06 CERAMIC RESONATOR 1 8 00MHz EXCEPT YTE TPE ZPE D28 D220 AESSRCT1A6 E DIODE 2 D40 D41 D222 D223 D224 AESS133T 77 DIODE 5 D25 AERZ511KD10A VARISROR 1 D26 D27 AERZ102KD10A VARISROR 2 D180 D181 D182 AESQTLGE260 CHIP LED 3 DISP1...

Page 36: ...ERJ06JJ471R CHIP RESISTOR 1 470Ω 1 16W 5 R480 R481 AERJ06JJ472R CHIP RESISTOR 2 4 7K 1 16W 5 R485 AERJ06JJ684R CHIP RESISTOR 1 680K 1 16W 5 R441 AERJ06JJ823R CHIP RESISTOR 1 82K 1 16W 5 R222 AERDY2TJ104T CARBON RESISTOR 1 100K 1 4W 5 R482 R483 AERDY2TJ105T CARBON RESISTOR 2 1MΩ 1 4W 5 R182 AERDY2TJ361T CARBON RESISTOR 1 360Ω 1 4W 5 R221 AERDY2TJ392T CARBON RESISTOR 1 3 9K 1 4W 5 R25 R26 AERDY2TJ39...

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