Panasonic NN-GF560M Service Manual Download Page 32 | Manualshive

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NN-GF560M

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Summary of Contents for NN-GF560M

Page 1: ... Panasonic Home Appliances Microwave Oven Shanghai Co Ltd 2010 NN GF560M RPM Chile Peru Uruguay Paraguay etc Microwave Oven ORDER NO PHAMOS1006050C3 ...

Page 2: ...2 NN GF560M ...

Page 3: ...3 NN GF560M ...

Page 4: ...Stirrer motor 15 7 COMPONENT TEST PROCEDURE 16 7 1 Primary Secondary Latch Switch interlocks Power Relay RY1 16 7 2 Short Switch 16 7 3 Magnetron 16 7 4 Inverter power supply U 17 7 5 Temperature thermistor 17 8 MEASUREMENTS AND ADJUSTMENTS 18 8 1 Adjustment of primary latch switch secondary latch switch and short switch 18 8 2 Measurement of microwave output 18 9 TROUBLESHOOTING GUIDE 19 9 1 Trou...

Page 5: ...1 FEATURE CHART 2 CONTROL PANEL 5 NN GF560M ...

Page 6: ...3 SCHEMATIC DIAGRAM 6 NN GF560M ...

Page 7: ...ack to the microcomputer in the DPC to determine operating conditions and output necessary to control PWM signal to the Inverter Power Supply for control of the output power 4 3 Turbo defrost Auto cook When the Auto Control feature is selected and the Start pad is tapped 1 The digital programer circuit determines the power level and cooking time to complete cooking and indicates the operating stat...

Page 8: ... 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 circuit board must have a proper chassis ground The inverter grounding plate must be connected to the chassis If the inve...

Page 9: ...he unit during operation 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 5 6 Verification after repair 1 After repair or replacement of parts make sure that the screws of the oven etc are neither loosen or missing Microwave energy might leak if screws are not properl...

Page 10: ... hot 1 Discharge high voltage remaining in high voltage capacitor 2 Disconnect 2 high voltage lead wires from magnetron filament terminals 3 Disconnect connector CN701 CN702 from H V Inverter board 4 Remove 4 screws holding inverter reinforcement bracket A on right heater panel base plate respectively 5 Release locking tabs connecting inverter air guide with inverter bracket 6 Remove 1 screw holdi...

Page 11: ...o gap between the waveguide and the magnetron to prevent microwave leakage CAUTION When replacing the magnetron be sure the antenna gasket is in place 6 3 Digital programmer circuit D P C Membrane Switch NOTE Be sure to ground any static electric charge built up on your body before handling the D P C 1 Disconnect 1 grounding connector 2 Remove 1 screw holding reinforcement bracket and escutcheon b...

Page 12: ...etc to lift the edge of membrane sheet and peel off escutcheon sheet key board membrane completely from escutcheon base NOTE a The membrane key board is attached to the escutcheon base with double faced adhesive tape Therefore applying hot air such as using a hair dryer is recommended for smoother removal b When installing the new key board membrane make sure that the surface of escutcheon base is...

Page 13: ...er relays NOTE Do not use a soldering iron or desoldering tool of more than 30 watts on D P C contacts B With all the terminal pins cleaned and separated from D P C contacts remove the defective transformer power relays Replace components making sure all terminal pins are inserted completely resolder all terminal contacts carefully 6 5 Fan motor 1 Disconnect 2 lead wires from fan motor terminals 2...

Page 14: ...greater than 10 4 Remove the door E from its hinges by pushing the door E upward and out 5 Remove door key and door key spring To re install components 1 Place the door s lower hinge pin into the bottom hinge hole 2 Use your left index finger to support the door s lower hinge pin while guiding the door s upper hinge pin into the top hinge hole 3 Lower your finger to seat the door onto the hinges 4...

Page 15: ...nside so that no sharp edges will be exposed to outside 2 Disconnect 2 lead wires connected to the stirrer motor 3 Remove the stirrer motor by removing screw NOTE After reinstalling the new stirrer motor and reconnecting the 2 lead wires reinstall the motor cover by rotating it around 180 tucking the 2 tabs under the base in the 2 provided slots then screw the single tab to the base using a 4mm 6m...

Page 16: ...r Closed Door Opened Primary Latch Switch 0Ω Close Ω Open Secondary Latch Switch 0Ω Close Ω Open Power Relay RY1 Ω Open Ω Open 7 2 Short Switch 1 Unplug lead wires from Inverter Power Supply U primary terminals 2 Connect test probes of ohm meter to the disconnected leads that were connected to Inverter Power Supply U 3 Test the continuity of short switch with door opened and closed positions using...

Page 17: ... Plug in the oven s AC power supply cord into outlet 4 Program DPC a Press Clock pad once b Press Timer pad once c Press Start pad once d Press Micro Power pad once 5 Program oven at High power for 1 minute and press Start pad a After approximately 3 seconds oven stops operating b During oven operation the input current is approximately 0 4A INPUT CURRENT FAILURE CODE Unplug CN701 0 4A Oven stops ...

Page 18: ... switches again by following the component 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 liter beaker Glass thermometer Wrist watch or stopwatch ...

Page 19: ...age this control panel Always touch ground while working on this panel to discharge any static charge in your body 7 220V AC is present on the digital programmer circuit Terminals of power relay s and primary circuit of Digital Programmer Circuit When troubleshooting be cautious of possible electrical shock hazard Before troubleshooting operate the microwave oven following the correct operating pr...

Page 20: ...ches 2 Open or loose connection of high voltage circuit especially magnetron filament circuit NOTE Large contact resistance will cause lower magnetron filament voltage and cause magnetron to have lower output and or be intermittent 3 Defective high voltage component H V Inverter Power Supply U Magnetron Check high voltage component according to component test procedure and replace if it is defecti...

Page 21: ...and H99 First you must program the DPC into TEST MODE press Clock pad once press Timer pad once Press Start pad once press Micro Power pad once Program unit for operation H95 H97 H98 H99 appears in display window a short time after Start pad is pressed and there is no microwave oscillation Alternate way to troubleshoot oven with AC Ampere meter used H95 H97 H98 H99 appears in display window a shor...

Page 22: ...it between collector and emitter of Q223 Still not turn on RY2 RY2 turns on Q223 No microwave oscillation at any power 1 IC1 pin 20 voltages while operation at high power Abnormal IC1 Normal 3 3V Step2 2 Collector of Q220 voltage Abnormal Q220 and or Q225 Q221 Q227 Normal 0 7V Step3 Dark or unclear display 1 Replace display and check operation Normal Display Abnormal IC1 Missing or lighting of unn...

Page 23: ...procedure Power will Ammeter reading is To do Remedy Shut off in 23 seconds after Start 1 Between 0 5A and 1 0A Check and repair open magnetron circuit CN703 Open magnetron wiring between Inverter and magnetron terminal 2 Between 1 0A and 2 0A Check continuity of D702 in Inverter PCB 1 D702 shorted Replace H V Inverter F606YM300BP 2 D702 is OK Replace magnetron Shut off in 3 seconds after Start 1 ...

Page 24: ...702 ECQE2505T869 FILM CAPACITOR 1 C703 ECWF2395N632 FILM CAPACITOR 1 DB701 B0FBBS000001 RECTIFIER BRIDGE 1 L701 F5020M300XN CHOKE COIL 1 R702 D0CM352JA002 SAND BAR RESISTOR 1 T701 A609A7F40QP TRANSFORMER 1 INCLUDING D701 D702 C706 C707 D701 D702 B0FBAZ000002 DIODE 2 C706 F0C3F562A002 FILM CAPACITOR 1 5600PF 3KV C707 F0C3F432A002 FILM CAPACITOR 1 4300PF 3KV 24 NN GF560M ...

Page 25: ...10 EXPLODED VIEW AND PARTS LIST 10 1 EXPLODED VIEW 25 NN GF560M ...

Page 26: ...4146 1P00 LOWER ORIFICE 1 21 F612E9L60XP INCANDESCENT LAMP U 1 22 J61415G10XN MICRO SWITCH 1 PRIMARY LATCH SWITCH 23 F61415U30XN MICRO SWITCH 1 SECONDARY LATCH SWITCH 24 F61459L00XP THERMAL CUTOUT 1 25 F61785U30XN MICRO SWITCH 1 SHORT SWITCH 26 2M291 M32QVL MAGNETRON 1 31 F62306V60BP FUSE 1 10A 250V 32 F62315G10XN FUSE HOLDER 1 34 F61449L00XP STIRRER MOTOR 1 35 F900C9L40ZP AC CORD W PLUG 1 36 F630...

Page 27: ...et Remarks E1 F603L9L30RP D P CIRCUIT AU 1 E4 F630Y9L30KRM MEMBRANE SWITCH U 1 E5 F80349Q30SAP ESCUTCHEON BASE 1 E6 F891P9L60KXP DOOR OPENING BUTTON U 1 E7 F80375K00AP COOK BUTTON SPRING 1 E8 F82569M60BP DOOR OPENING LEVER 1 E9 F80579M60BBP ESCUTCHEON BASE B 1 27 NN GF560M ...

Page 28: ...ASSEMBLY Ref No Part No Part Name Description Pcs Set Remarks D1 F30186P40AG DOOR KEY A 1 D2 F302A9Q30SRP DOOR A U 1 D3 F301P9L30RE DOOR E U 1 D4 F30215G10XN DOOR KEY SPRING 1 D5 F30859Q30AP DOOR C 1 28 NN GF560M ...

Page 29: ...10 5 WIRING MATERIALS Ref No Part No Part Name Description Pcs Set Remarks W1 F030A9L10XP LEAD WIRE HARNESS 1 W2 F030E 1P00 H V LEAD WIRE 1 W3 F03539L00XP THERMISTOR HARNESS 1 29 NN GF560M ...

Page 30: ...s P1 F00039L30RE INSTRUCTION MANUAL 1 P2 F01029L30SRM PACKING CASE PAPER 1 P3 F01049Q30AP UPPER FILLER 1 P4 F01059Q30AP LOWER FILLER 1 P5 F01064W00AP P E BAG 1 P6 F01078100XN DOOR SHEET 1 P7 F060V9L40YP OVEN RACK 1 P9 F01089L00XP RACK PACKING 1 P10 F01924T00AP SHEET 1 30 NN GF560M ...

Page 31: ...11 DIGITAL PROGRAMMER CIRCUIT 11 1 SCHEMATIC DIAGRAM 31 NN GF560M ...

Page 32: ...32 NN GF560M ...

Page 33: ...D40 B0JAAE000001 DIODE 1 D25 D4EAY511A036 ZENER RESISTOR 1 510V D26 D27 D4EAY112A036 ZENER RESISTOR 2 1100V IC1 MN101C78AFK L S I 1 IC350 C0EBE0000401 IC 1 Q10 Q180 B1BAAJ000003 TRANSISTOR 2 R11 D0AE472JA155 CARBON FILM RESISTOR 1 4 7K 1 4W 5 R225 D0AE470JA155 CARBON FILM RESISTOR 1 47Ω 1 4W 5 R211 D0AE102JA155 CARBON FILM RESISTOR 1 1KΩ 1 4W 5 R228 R352 D0AE104JA155 CARBON FILM RESISTOR 2 100K 1 ...

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