Panasonic NN-C2000P Скачать руководство пользователя страница 25 | Manualshive

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1. Discharge high voltage before touching Inverter PCB.

1. Unplug oven and leave it for more than 30 seconds before

removing outer cabinet.

2. Use insulated lead wire to short across D701 Anode to

D702

Cathode

or

short

across

magnetron

filament

terminals to the chassis ground. Please refer to service
manual for detail of the specified model.

2. Remove inverter PCB from oven before troubleshooting.

Refer to related service manual for inverter PCB removal.

1. Visual check:

a. PCB board: Any crack on board, burnt printed copper

foil pattern? Any cockroach, bugs excrements, any mark
of wet?

b. Components: Any damaged components? Any burnt,

broken or missing?

3. Check component by circuit tester.

25

NN-C2000P / NN-C2000W

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Содержание NN-C2000P

Страница 1: ... 2000 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law NN C2000P NN C2000W Microwave Oven MOD0009237C3 ...

Страница 2: ...1 FEATURE CHART 4 2 CONTROL PANEL 5 3 OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE 6 CONTENTS Page Page 2 NN C2000P NN C2000W ...

Страница 3: ...18 10 MEASUREMENTS AND ADJUSTMENTS 21 11 TROUBLESHOOTING GUIDE NEW H V 22 12 HOW TO CHECK THE SEMICONDUCTORS USING AN OHM METER 29 13 EXPLODED VIEW AND PARTS LIST 30 14 PARTS LIST 31 15 DOOR ASSEMBLY 33 16 ESCUTCHEON BASE ASSEMBLY 34 17 PACKING AND ACCESORIES 35 18 WIRING MATERIAL 36 19 REF NO 47 H V INVERTER U 37 20 REF NO E2 P C BOARD D U 37 21 REF NO E3 P C BOARD F U 38 22 DIGITAL PROGRAMMER CI...

Страница 4: ...1 FEATURE CHART 4 NN C2000P NN C2000W ...

Страница 5: ...2 CONTROL PANEL 5 NN C2000P NN C2000W ...

Страница 6: ...3 OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE 6 NN C2000P NN C2000W ...

Страница 7: ...4 SCHEMATIC DIAGRAM FOR QPQ JPG 7 NN C2000P NN C2000W ...

Страница 8: ...5 SCHEMATIC DIAGRAM FOR MNQ YNQ TNE LNK SNM KNQ KKE 8 NN C2000P NN C2000W ...

Страница 9: ...trol The digital programmer circuit controls the ON OFF time of the heater in order to control oven cavity temperature 1 After the start pad is tapped with the desired Bake Broil program set an 18V DC signal comes out of the digital programmer circuit and is applied to coil of power relay 7 RY7 2 When the contacts of power relay 7 close power source voltage is applied to the heater and the heater ...

Страница 10: ...up and eventually escapes from the container In Auto Sensor Cooking carefully designed instrument called the humidity sensor element senses this escape of steam Then based upon the Auto Sensor Program selected the unit will automatically determine the correct power level and the proper length of time it will take to cook the food NOTE Auto Sensor Cooking is successful with the foods and recipes fo...

Страница 11: ...or memory and they are listed in the following tables along with the P1 and P2 powers NOTE When More or Less pad is selected the K factor varies resulting in T2 time to be increased or decreased NOTE For T2 time of Category Casserole HEATER operation programmed Example of calculating theT2 time Example 1 If the T1 time is measured to be 2 minutes and 40 seconds and the Auto Sensor program selected...

Страница 12: ...e should be taken during repair 7 1 Check the grounding Do not operate on a 2 wire extension cord The microwave oven is designed to be used when grounded It is imperative therefore to make sure it is grounded properly before beginning repair work 7 2 Inverter Warnings NEW H V 7 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 12 NN C2000P NN C2000W ...

Страница 13: ...ability to hold the switches 7 5 Avoid inserting nails wire etc through any holes in the unit during operation Never insert a wire nail or any other metal object through the lamp holes on the cavity or any other holes gaps because such objects may work as an antenna and cause microwave leakage 7 6 Confirm after repair 1 After repair or replacement of parts make sure that the screws of the oven etc...

Страница 14: ...DPC To replace switch PCB 5 Remove 2 knobs 6 Remove 6 screws To replace buttons 1 Remove escutcheon bracket from escutcheon base by freeing 6 catch hooks on the escutcheon base 2 Replace whole button assembly 8 3 Low voltage transformer and or power relays NOTE Be sure to ground any static electric charge built up on your body before handling the DPC 1 Using solder wick or a desoldering tool and 3...

Страница 15: ...y freeing 2 catch hooks on the orifice assy 8 5 Heater 1 Remove lead wires from lead wire holders 2 Remove belt from pulleys of circulation fan 3 Remove 2 screws holding heater fan motor bracket 4 Remove 1 screw holding exhaust guide 5 Remove 2 screws holding oven temp sensor 6 Disconnect 2 lead wires from heater terminals 7 Remove 4 screws holding the both sides of heater unit and lift it up care...

Страница 16: ...e inner door surface and oven front surface If the door assembly is not mounted properly microwave may leak from the clearance between the door and oven 8 7 Turntable motor 1 Remove 2 screws holding motor cover 2 Disconnect 2 lead wires from turntable motor 3 Remove 2 screws holding turntable motor 8 8 Inverter PCB 1 Remove 2 screws holding inverter bracket to oven chassis 2 Remove A screw holding...

Страница 17: ...Missing grounding is very danger 17 NN C2000P NN C2000W ...

Страница 18: ... short switch with door opened and closed positions using lowest scale of the ohm meter Normal continuity readings should be as follows 9 3 Magnetron NEW H V Continuity checks can only indicate an open filament or a shorted magnetron To diagnose for an open filament or shorted magnetron 1 Isolate magnetron from the circuit by disconnecting the leads 2 A continuity check across magnetron filament t...

Страница 19: ... Sensor and Digital Programmer Circuit In order to determine if the steam sensor function of the digital programmer circuit is in working order or not do the following test 1 Place a water load 150 cc in the oven 2 Tap Sensor Reheat pad 3 Tap Start Pad 4 Steam Sensor detects steam about 1 5 to 4 minutes after the Start Pad is tapped 5 T1 time cooking automatically switches to remaining time cookin...

Страница 20: ...again f AUTO should disappear in display window and following digits see chart should appear indicating balance of cooking time T2 TIME The time should start to count down and oven should shut off when the time has elapsed The Auto Sensor function in the digital programmer circuit is working in order if above condition is obtained 9 10 Oven temp sensor thermistor This sensor monitors the heat prod...

Страница 21: ...he continuity of the monitor circuit and all latch switches again by following the components test procedures 10 2 Measurement of microwave output The output power of the magnetron can be determined by performing IEC standard test procedures However due to the complexity of IEC test procedures it is recommended to test the magnetron using the simple method outlined below Necessary Equipment 1 lite...

Страница 22: ...11 TROUBLESHOOTING GUIDE NEW H V 22 NN C2000P NN C2000W ...

Страница 23: ...23 NN C2000P NN C2000W ...

Страница 24: ...24 NN C2000P NN C2000W ...

Страница 25: ...s to the chassis ground Please refer to service manual for detail of the specified model 2 Remove inverter PCB from oven before troubleshooting Refer to related service manual for inverter PCB removal 1 Visual check a PCB board Any crack on board burnt printed copper foil pattern Any cockroach bugs excrements any mark of wet b Components Any damaged components Any burnt broken or missing 3 Check c...

Страница 26: ...ce Hints For easy solder removal use one soldering iron to heat a solder and use solder sucker iron to suck solder 2 Make sure to replace both Q701 and Q702 at a time with the same maker 3 Make sure to apply heat conduction grease between transistor and heat sink 4 NO DUST SHOULD CAUGHT between heat sink and power transistor unless if causes looseness of heat conduction and insufficient cooling to...

Страница 27: ...ention cable Open gounding of inverter PCB is so DANGER 2 Make sure to check no Bridge solder nor cold solder joint 1 Install Inverter PCB into oven with screws securely plug in CN701 CN702 and CN703 2 Insert AC plug through the Amper meter with specified voltage NOTE Current will be changed by the input AC voltage 3 Operate the oven at High power setting for 1 minute 4 Read input current which sh...

Страница 28: ...28 NN C2000P NN C2000W ...

Страница 29: ...12 HOW TO CHECK THE SEMICONDUCTORS USING AN OHM METER 29 NN C2000P NN C2000W ...

Страница 30: ...13 EXPLODED VIEW AND PARTS LIST 30 NN C2000P NN C2000W ...

Страница 31: ...CUSHION RUBBER C 1 11 A10014X00AP BASE 1 12 ANE1008 3W0 RUBBER FOOT 4 12 ANE1008 3W0 RUBBER FOOT 4 12 ANE1008 3W0 RUBBER FOOT 4 12 ANE1008 3W0 RUBBER FOOT 4 13 A10094X70GMN CABINET BODY 1 NN C2000P 13 A10094X70HQP CABINET BODY 1 NN C2000W 14 A10266660QP BASE C 1 15 A11294X00AP BASE B 1 16 A11406660QP STOPPER 2 16 A11406660HMK STOPPER 2 NN C2000P YNQ 17 A200A4X00AP OVEN 1 18 ANE22392L0AP CIRCULATIO...

Страница 32: ... SCREW 4 4X10 FOR MAGNETRON 66 XTWANE4 10RU SCREW 4 4X10 FOR MAGNETRON 67 XTWA3 8CF SCREW 1 3X8 FOR INVERTER EARTH 68 XTW3 18B SCREW 4 69 XYD4 EE12F SCREW 1 4X12 FOR EARTH 70 2M236 M1G MAGNETRON 1 71 ANE6501 C41 HEATER HOLDER C 2 72 XWS4VL WASHER 2 73 A21446660QP UPPER PANEL 1 74 A21776660QP WASHER 1 75 A22784X00AP UPPER HEATER PANEL 1 76 A41325020AQ PULLEY B 1 77 A41575450AP FAN BRACKET A 1 78 A4...

Страница 33: ...K SCREW 4 4X12 FOR DOOR C D3 A300B5450AP UPPER HINGE 1 D4 A302K6660QP DOOR E U 1 D5 A30186660QP DOOR KEY A 1 D6 A30214000AP DOOR KEY SPRING 1 D7 A30856660QP DOOR C 1 D8 A302A4X70GMN DOOR A U 1 NN C2000P HNE LNK MNQ TNE YNQ NOTE 1 D8 A302A4X70GKN DOOR A U 1 NN C2000P KKE KNQ SNM NOTE 1 D8 A302A4X70HQP DOOR A U 1 NN C2000W QPQ NOTE 1 NOTE 1 Please order DHHS LABEL or CAUTION LABEL together 33 NN C20...

Страница 34: ...N C2000W QPQ W COMPONENT E3 A605Q4X70JP PC BOARD F U 1 NN C2000W JPG W COMPONENT E4 A6590 3280 FLAT CABLE 1 E5 A80094X70QP INDICATOR A 1 E5 A80094X70QP INDICATOR A 1 E6 A80204X70QP TIMER KNOB 2 E7 A80244X70QP OPERATION BUTTON 1 E8 A80344X70GMN ESCUTCHEON BASE 1 NN C2000P NOTE 2 E8 A80344X70HQP ESCUTCHEON BASE 1 NN C2000W NOTE 2 E9 ANE80378A0AG SPRING 1 E10 A80724X70GMN DOOR OPENING BUTTON 1 NN C20...

Страница 35: ... CASE PAPER 1 NN C2000W JPG P5 A01046660MN UPPER FILLER 1 NN C2000P HNE LNK MNQ TNE YNQ P5 A01046660KN UPPERFILLER 1 NN C2000P KKE KNQ SNM P5 A01046660QP UPPER FILLER 1 NN C2000W P6 A01056660MN LOWER FILLER 1 NN C2000P HNE LNK MNQ TNE YNQ P6 A01056660KN LOWER FILLER 1 NN C2000P KKE KNQ SNM P6 A01056660QP LOWER FILLER 1 NN C2000W P7 A01065130AP VINYL COVER 1 P8 ANE0107580AP DOOR SHEET 1 P9 A0108666...

Страница 36: ...A4X70MN LEAD WIRE HARNESS 1 NN C2000P W1 A030A4X70QP LEAD WIRE HARNESS 1 NN C2000W W2 A030E4X00AP LEAD WIRE 1 NN C2000P W2 A030E4X00CP LEAD WIRE 1 NN C2000W W3 A03509770LN LEAD WIRE 1 NN C2000P LNK W4 A03536660QP LEAD WIRE 1 W5 AECQJ5335KRP CAPACITOR 1 3 3MF 36 NN C2000P NN C2000W ...

Страница 37: ...2SA1309AQRS R701 AERG419S107M 1 R715 AERGS215J452 RESISTOR 1 4 5KΩ Ω Ω Ω 15W T701 A609A4V00GP INERTER TRANS 1 P20T S296T VR701 AEVTZ6TLT102 VARIABLE RESISTOR 1 1KΩ Ω Ω Ω 30 ZD701 703 704 705 AEDZ10ES2T1 ZENNER DIODE SI 4 RD10ES2T1 ZD702 AESZ12JS2T1 ZENNER DIODE SI 1 RD12JS2 20 REF NO E2 P C BOARD D U Ref No Part No Part Name Description Pcs Set Remarks BZ210 AEFB22EP20TL BUZZER 1 2 0KHZ C10 ECA1HM...

Страница 38: ... 1 4W 5 R506 ERDS2TJ512T CARBON FILM RESISTOR 1 5 1KΩ Ω Ω Ω 1 4W 5 R507 ERDS2TJ153T CARBON FILM RESISTOR 1 15KΩ Ω Ω Ω1 4W 5 R508 ERDS2TJ223T CARBON FILM RESISTOR 1 22KΩ Ω Ω Ω 1 4W 5 R509 ERDS2TJ105T CARBON FILM RESISTOR 1 1MΩ Ω Ω Ω 1 4W 5 RY1 7 AEGG5G1A18 POWER RELAY 2 G5G 1A ER18 RY2 5 6 AEBGG5N1A18 POWER RELAY 3 T10 ETP48SFC93EP L V TRANSFORMER 1 ZD10 AEDZ5R6ES2T1 ZENNER DIODE SI 1 RD5 6ES2 ZD11...

Страница 39: ...MHZ Q181 184 187 2SC2412KT146 TRANSISTOR SI 0 2W 3 2SC2412K180MHZ Q182 185 188 AESC43ZKE TRANSISTOR SI 0 3W 3 DTC143ZKA E23 100MHZ Q221 503 AESA14EKE TRANSISTOR SI 0 2W 2 DTA114EKA 14 Q440 AESC43XKE TRANSISTOR SI 0 3W 1 DTC143XKA 43100MHZ R11 231 AERJ3GSYJ104 RESISTOR 2 100KΩ Ω Ω Ω 1 16W 5 R40 AERJ3GSYJ123 RESISTOR 1 12KΩ Ω Ω Ω 1 16 5 R41 440 ERJ3GSYJ242 RESISTOR 2 2 4KΩ Ω Ω Ω 1 16W 5 R42 AERJ3GSY...

Страница 40: ...22 DIGITAL PROGRAMMER CIRCUIT SCHEMATIC DIAGRAM 40 NN C2000P NN C2000W ...

Страница 41: ...41 NN C2000P NN C2000W ...

Страница 42: ...SCHEMATIC DIAGRAM 23 INVERTER CIRCUIT 42 NN C2000P NN C2000W ...

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