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Panasonic ne-1037 BTQ, Руководство по обслуживанию, Страница: 1 / 22

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© 2007 Panasonic Home Appliances Microwave
Oven (Shanghai) Co., Ltd. All rights reserved.
Unauthorized copying and distribution is a violation
of law.

NE-1027
NE-1037

BTQ (U.K.)
ETG (Continental Europe)

Microwave Oven

ORDER NO.PHAMOS0705021C2

Содержание ne-1037 BTQ

Страница 1: ...c Home Appliances Microwave Oven Shanghai Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law NE 1027 NE 1037 BTQ U K ETG Continental Europe Microwave Oven ORDER NO PHAMOS0705021C2 ...

Страница 2: ...2 NE 1027 NE 1037 ...

Страница 3: ...tc through any holes in the unit during operation 13 5 7 Confirm after repair 13 6 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 14 6 1 Magnetron 14 6 2 Digital Programmer Circuit D P C and membrane keyboard NE 1037 14 6 3 Low voltage transformer and or power relays RY1 RY2 RY3 RY4 NE 1037 15 6 4 Fan motor 15 6 5 Stirrer motor 15 6 6 Door assembly 16 6 7 Temp sensor thermal protector NE 1037 16 6 8 ...

Страница 4: ...1 CONTROL PANEL 1 1 NE 1027 4 NE 1027 NE 1037 ...

Страница 5: ...1 2 NE 1037 5 NE 1027 NE 1037 ...

Страница 6: ...ts MED power OPERATION DISPLAY 3 Press 1 0 0 pads Sets to 1 minute 4 Press Start pad Total time for both stages will be displayed 5 When the 1st stage cooking time has elapsed oven beeps once and automatically switches to 2nd stage cooking 2nd stage 6 When cooking time has elapsed oven beeps 5 times and shuts off Display blinks zero 7 Open the door and take out the water load Display stops blinkin...

Страница 7: ...age 2 Press Power Level pad 3 times Sets defrost power for 2nd stage 3 Press 2 0 0 pad 4 Press Prog pad OPERATION DISPLAY 5 2 seconds later the display shows your setting program 6 This indicates double cooking time Example This means If you press 5 oven will operate 30 sec MED 2 min DEF If you press X2 and 5 oven will operate 1 min MED 4 min DEF 7 After all of your programming has been completed ...

Страница 8: ...ave completed programming the beep tone option 6 2 seconds later the display will return to 0 2 8 To Lock Program of Memory Pad OPERATION DISPLAY 1 Plug the power supply cord into wall receptacle Display must be blank 2 Press and hold in the Prog pad until the display shows P and L Approximately 6 seconds NOTE When oven is in program lock mode display will not show anything and remain blank 2 9 To...

Страница 9: ...ing of magnetron filament OUTPUT ON OFF TIME OF POWERSETTING POWER W A PPROX VARI POWER SWITCH Mechanical timer model ON SEC OFF SEC 1000 1000 26 0 600 600 20 6 440 440 15 11 DEFROST 340 10 16 250 250 8 18 100 100 4 22 4 2 Variable power cooking control NE 1037 The coil of power relay B RY1 is energized intermittently by the digital programmer circuit when the oven is set at any power selection ex...

Страница 10: ...htly closed B There is no broken hinge or door arm C The door seal is not damaged D The door is not bent or warped E There is no other visible damage 5 3 Warning about the electric charge in the high voltage capacitor For about 30 seconds after the oven is turned off an electric charge remains in the high voltage capacitor When replacing or checking parts remove the power plug from the outlet and ...

Страница 11: ... work as an antenna and cause microwave leakage 5 7 Confirm after repair 1 After repair or replacement of parts make sure that the screws of the oven etc are neither loose nor missing Microwaves might leak if screws are not properly 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 ...

Страница 12: ...e and slide the escutcheon base upward slightly 3 Release flat cable connector s lock of D P C by pushing both levers to inside and pull them upward and remove flat cable of membrane key board 4 Remove 3 screws holding D P C To replace membrane key board 5 Remove escutcheon bracket from escutcheon base by freeing 4 catch hooks on the escutcheon base 6 Remove metal trim from escutcheon base 7 Peel ...

Страница 13: ...ct 2 lead wires from fan motor terminals 2 Disconnect 3 lead wires from noise filter P C B terminals 3 Disconnect 4 high voltage lead wires from high voltage capacitor terminals 4 Remove 5 screws holding fan motor and orifice assy detach the orifice assy with fan motor from oven assy 5 Remove fan blade from the fan motor shaft by pulling it straight Out 6 Separate the fan motor from the orifice as...

Страница 14: ...oor alignment is crucial If door is misaligned apply pressure until alignment is achieved NOTE After replacement of the defective component parts of the door reassemble and perform microwave leakage test 6 7 Temp sensor thermal protector NE 1037 1 Cut a lead wire at the top of sensor terminals 2 Remove 1 screw holding the temp sensor and replace with new one 3 Solder the lead wires securely to the...

Страница 15: ...ed positions using lowest scale of the ohm meter Normal continuity readings should be as follows 7 3 High voltage transformer 1 Remove connectors from the transformer terminals and check continuity 2 Normal cold resistance readings should be as follows Secondary winding Approx 60 Ω 120 Ω Filament winding Approx 0 Ω Primary winding Approx 0 Ω 2 Ω 7 4 High voltage capacitor 1 Check continuity of cap...

Страница 16: ...ne direction and several hundred kΩ in the other direction 7 8 Protector diode 1 Isolate the protector diode assembly from the circuit by disconnecting its leads 2 With the ohmmeter set on the highest resistance scale measure the resistance across the protector diode terminals Reverse the meter leads and again observe the resistance reading A normal protector diode s resistance will be infinite in...

Страница 17: ... switches again by following the components test procedures 8 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 litre beaker Glass thermometer Wrist watch or stopwatch...

Страница 18: ...UBLE 1 Oven does not start cooking SYMPTOM CAUSE CORRECTIONS 1 Oven is dead 1 Open or loose lead wire harness Fuses is OK 2 Open thermal cutout Magnetron Oven Check fan motor when thermal cutout is defective 2 No microwave oscillation 1 Off alignment of latch switches Adjust door and latch switches Other operation is OK 2 Defective secondary latch switch SW2 3 Open or loose wiring of secondary lat...

Страница 19: ... power relay RY2 3 Defective power relay RY2 4 Defective relay control circuit NOTE Be sure to replace protector diode together with those H V components In this case only D2 of protector diode may be shorted due to faulty H V component Therefore if protector diode is not replaced together high voltage transformer will be damaged over heated 9 1 3 TROUBLE 3 Other troubles SYMPTOM CAUSE CORRECTIONS...

Страница 20: ...LE 1 Oven does not start cooking SYMPTOM CAUSE CORRECTIONS 1 Oven is dead 1 Open or loose lead wire harness Fuses is OK 2 Open thermal cutout Magnetron Check fan motor if thermal cutout is defective No display and no operation at all 3 Open low voltage transformer 4 Defective DPC 2 Oven does not accept key input Program 1 Key input is not in sequence Refer to operation procedure 2 Open or loose co...

Страница 21: ...n 3 Aging change of magnetron 2 Fan motor and oven lamp turn on when door is opened 1 Shorted primary latch switch 3 Oven does not operate and return to plugged in mode 1 Open or loose wiring of temp sensor Check tighten screws on escutcheon base bracket D P C board and temp sensor 2 Defective temp sensor 3 Defective DPC Refer to DPC troubleshooting 4 Loud buzzing noise can be heard 1 Loose fan an...

Страница 22: ...IC 1 No beep sound 1 IC 1 pin 23 voltage Abnormal IC 1 Normal BZ Q3 Q4 Q8 Q9 Power relay A RY 3 does not turn on even though the program has been set and the start pad is tapped 1 IC 1 pin 12 voltage while operation Abnormal IC 1 Normal 5V Step 2 2 short circuit between pin 1 and pin 12 of IC 2 Still not turn on RY 2 RY 2 turns on IC 2 No microwave oscillation at any power setting 1 IC 1 pin 10 an...

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