Panasonic NN-GD566M Service Manual Download Page 1

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ORDER NO.PHAMOS0603017A2

Microwave Oven

NN-GD566M

NN-GD556W

NN-GD546W

NN-SD466M

NN-SD456W

NN-SD446W

BPQ(U.K.)
EPG(France, Italy, Finland, Spain, Portugal, Greece, Poland, Holland)
WPG(Switzerland)
SPG(Norway, Finland, Sweden, Denmark)

Please file and use this specified manual together with the service manual for Model NN-V653WF (ORDER NO.
SIMMC0303012C2).

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Summary of Contents for NN-GD566M

Page 1: ...466M NN SD456W NN SD446W BPQ U K EPG France Italy Finland Spain Portugal Greece Poland Holland WPG Switzerland SPG Norway Finland Sweden Denmark Please file and use this specified manual together with the service manual for Model NN V653WF ORDER NO SIMMC0303012C2 Page 1 of 13 ...

Page 3: ...1 SCHEMATIC DIAGRAM FOR GRILL MODELS 2 SCHEMATIC DIAGRAM FOR SOLO MODELS 3 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING Page 3 of 13 ...

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Page 6: ...ollector 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 circuit board must have a proper chassis ground The inverter grou...

Page 7: ...er 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 are not bent broken or deficient in their ability to hold the switches 3 5 Avoid inserting nails wire etc through any holes in the unit during oper...

Page 8: ...JUSTMENTS 4 1 Adjustment of primary latch switch secondary latch switch and short switch 1 Mount the Primary latch switch the Secondary latch switch and the short switch to the door hook assembly as shown in ILL NOTE No specific individual adjustments during installation of the Primary latch switch Secondary latch switch or Short switch to the door hook are required 2 When mounting the door hook a...

Page 9: ...agnetron 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 heat it for exactly one minute 3 Stir the water again and read the temperature of the water...

Page 10: ...8 F110D6W80HXP CABINET BODY 1 SD456W SD446W 9 F200A5R60BP OVEN 1 GD566M GD556W 9 F200A8G20BP OVEN 1 GD546W 9 F200A5Q70BP OVEN 1 SD466M SD456W 9 F200A6D60SXP OVEN 1 SD446W 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 GUIDE A 1 18 F40...

Page 11: ...CHING LABEL 1 GD566M BPQ GD556W BPQ GD546W BPQ 57 F01505R00EP NO TOUCHING LABEL 1 GD566M EPG WPG GD556W EPG SPG 58 F02395G50BP AC CORD CAUTION LABEL 1 BPQ 59 F62865Q00BP HEAT SHIELD 1 GD566M GD556W GD546W 60 F11404J60XN STOPPER 2 61 F03348G00BP MENU LABEL 1 GD566M BPQ GD556W BPQ 61 F03348G00EP MENU LABEL 1 GD566M EPG GD556W EPG 61 F03348G00WP MENU LABEL 1 GD566M WPG GD556W SPG 61 F03348G20BP MENU ...

Page 12: ... V LEAD WIRE 1 W3 F03535Q00AP LEAD WIRE HARNESS U 1 EXCEPT WPG SPG INCLUDING THERMISTOR Ref No Part No Part Name Description Pcs Set Remarks E1 F603L8G00BP D P CIRCUIT AU 1 GD566M BPQ GD556W BPQ E1 F603L8G00EP D P CIRCUIT AU 1 GD566M EPG GD556W EPG E1 F603L8G10SP D P CIRCUIT AU 1 GD566M WPG GD556W SPG E1 F603L8G20BP D P CIRCUIT AU 1 GD546W BPQ E1 F603L8G40BP D P CIRCUIT AU 1 SD466M BPQ SD456W BPQ ...

Page 13: ...GD556W BPQ GD546W BPQ P1 F00038G00EP INSTRUCTION MANUAL 1 GD566M EPG GD556W EPG P1 F00038G00WP INSTRUCTION MANUAL 1 GD566M WPG P1 F00038G10SP INSTRUCTION MANUAL 1 GD556W SPG P1 F00038G30BP INSTRUCTION MANUAL 1 SD466M BPQ SD456W BPQ SD446W BPQ P1 F00038G40SP INSTRUCTION MANUAL 1 SD456W EPG P2 F01028G00SBP PACKING CASE PAPER 1 GD566M BPQ P2 F01028G00SEP PACKING CASE PAPER 1 GD566M EPG WPG P2 F01028G...

Page 14: ...ITOR 1 560µF 35V C13 AECETS1C220B AL CHEM CAPACITOR 1 22µF 16V CN1 K1KA03AA0115 CONNECTOR 1 CN3 F03526P40AG INVERTER HARNESS U 1 CN4 K1KA04AA0086 CONNECTOR 1 4 Pin CN5 K1MN19B00043 CONNECTOR 1 19 Pin CN6 K1MN19A00024 CONNECTOR 1 19 Pin CN7 K1MN07BA0072 CONNECTOR 1 CN8 CN9 F03547B40AP LEAD WIRE 3 Pin CN10 F03546Z20AP LEAD WIRE U 1 CN11 K1KA03AA0086 CONNECTOR 1 CX320 EFOEC8004A4 CERAMIC RESONATOR 1 ...

Page 15: ...22JA072 CHIP RESISTOR 1 2 2K 1 10W 5 GD566M GD556W GD546W R310 D0GB332JA072 CHIP RESISTOR 1 3 3K 1 10W 5 R440 D0GB512JA072 CHIP RESISTOR 1 5 1K 1 10W 5 R82 R83 R86 R87 R224 R230 D0GB103JA072 CHIP RESISTOR 6 10K 1 10W 5 R330 D0GB333JA070 CHIP RESISTOR 1 33K 1 10W 5 R232 D0GB363JA072 CHIP RESISTOR 1 36K 1 10W 5 R13 R221 R228 R233 R342 R343 D0GB104JA068 CHIP RESISTOR 6 100K 1 10W 5 R227 D0GB104JA068 ...

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Page 35: ... NN V653WF NN V653CF NN V623MF NN F663WF NN F653WF NN F623MF NN V453WF NN V423MF NN T553WF NN T523MF NN T543WF NN Q553WF NN Q523MF NN Q543WF BPQ U K GPG Germany EPG France Italy Finland Spain Portugal Greece Poland Holland SPECIFICATIONS 1 ...

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Page 40: ...1 SCHEMATIC DIAGRAM FOR GRILL MODELS 2 SCHEMATIC DIAGRAM FOR SOLO MODELS 6 ...

Page 41: ...Inverter Power supply U controls output power by the signal from Digital Programmer Circuit DPC Power relay stays ON for P4 to P10 and For P1 to P3 both inverter drive signal and power relay to control output power NOTE The ON OFF time ratio does not correspond with the percentage of 7 ...

Page 42: ...itor and H V Diode 1 The AC input voltage 230 240V 50Hz is rectified to DC voltage immediately 2 DC voltage will be supplied to the switching devices called IGBT These devices will be switched ON OFF by the 20 to 40 kHz PWM pulse width modulation signal from the microcomputer in the DPC 3 This drives the High voltage transformer to increase up to 2 000V AC and approximately 3V AC by means of trans...

Page 43: ...though extreme care should be taken during repair Caution Servicemen should remove their watches whenever working close to or replacing the magnetron 4 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 4 2 Inverter warnings DAN...

Page 44: ...ter circuit is properly grounded via the inverter earth bracket Grounding of the inverter circuit board WARNING DISCHARGE THE HIGH VOLATGE CAPACITORS For about 30 seconds after the oven is turned off an electric charge remains in the high voltage capacitors in the inverter power supply circuit board When replacing or checking parts remove the power plug from the outlet and short the inverter outpu...

Page 45: ...ol during operation 4 3 Part replacement When any part or component is to be replaced always ensure that the power cord is removed from the wall outlet 4 4 When the 10A fuse is blown due to the operation of the short switch WARNING When the 10A 250V fuse is blown due to the operation of the interlock monitor switch replace all of the components primary latch switch secondary latch switch short swi...

Page 46: ...uring 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 capacito...

Page 47: ...placement of the magnetron tighten mounting screws properly making sure there is no gap between the waveguide and the magnetron to prevent microwave leakage CAUTION When replacing the magnetron be sure the antenna gasket is in place 5 2 Digital programmer circuit D P C and membrane key board NOTE Before handing the D P C ensure that your body is connected to ground to discharge any electric charge...

Page 48: ...heon base with double faced adhesive tape Therefore applying hot air such as using a hair dryer is recommended for smoother removal 2 When installing new membrane key board make sure that the surface of escutcheon base is cleaned sufficiently so that any problems shorted contacts or uneven surface can be avoided 3 Alignment position of membrane key board is as follows Membrane key board Right and ...

Page 49: ... relays making sure all terminal pins are inserted completely Resolder all terminal contacts carefully 5 4 Fan motor 1 Disconnect 2 lead wires from fan motor terminals 2 Remove 1 screw located on oven attaching orifice assembly 3 Remove orifice from oven assembly 4 Remove 2 screws holding fan motor to oven assembly 5 Remove fan blade from the fan motor shaft by pulling it straight out 5 5 Door ass...

Page 50: ...om door A 6 Remove door key and door key spring 7 Place the door s lower hinge pin into the bottom hinge hole 8 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 9 Lower your finger to seat the door onto the hinges 10 Replace other components NOTE Door alignment is crucial If door is misaligned apply pressure until ali...

Page 51: ...e so that no sharp edges will be exposed to outside 2 Disconnect 2 lead wires connected to the turntable motor 3 Remove the turntable motor by removing screw NOTE After replacing the new turntable motor and reconnecting the two lead wires reinstall the motor cover by rotating it 180 tucking the tabs into the base in the 2 provided slots then screw the single tab to the base using a 4mm X 6mm screw...

Page 52: ...er c from orifice 3 Remove steam sensor from orifice NOTE When installing the steam sensor make sure that the direction of steam sensor is as shown in figure 5 8 Quartz heater For Brown Models 1 Disconnect lead wires from heater terminals 2 Remove 2 screws holding heater supports 3 Remove the heater by pulling it out 18 ...

Page 53: ...ew through the bottom of the chassis base 3 Securely connect 3 lead wire connectors 4 Make sure the heat sink has enough space gap from the oven Take special care not to touch any lead wire to the aluminum heat sink because it is hot 1 Remove cabinet outer panel 2 Remove the the H V lead wire from magnetron terminals 19 ...

Page 54: ...er U 4 Remove 1 screw holding grounding lead wire 5 Remove 2 screws holding Inverter bracket to the base 6 Slide 2 locking tabs of Inverter bracket at the bottom of the base in direction of arrows 7 Remove 2 screws holding H V Inverter to Inverter bracket 20 ...

Page 55: ...s or wiring always unplug the oven from its power source and discharge the high voltage capacitors 6 1 Primary latch switch Secondary latch switch and power relay B interlocks 1 Unplug the lead connectors to Power Relay B and verify continuity of the power relay B 1 2 terminals 2 Unplug lead connectors to Primary Latch Switch and Secondary Latch Switch 3 Test the continuity of switches at door ope...

Page 56: ...e 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 terminals should indicate one ohm or less 3 A continuity check between each filament terminal and magnetron case should read open 6 4 Membrane key board Membrane switch assembly Check continuit...

Page 57: ...Tap Timer Keypad C Tap Start Keypad D Tap Micro Power Keypad 2 Place 1 liter of water load into oven cavity 3 Unplug 2 pin H V lead wire connector CN703 from magnetron tube 4 Program oven at High power for 1 minute and press start A After approximately 23 seconds oven stops B During oven operation input current is approximately 0 5 to 1A If both a and b are OK proceed to test 2 INPUT AMPERE FAILUR...

Page 58: ... to the door hook assembly as shown in ILL NOTE No specific individual adjustment during installation of the Primary latch 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...

Page 59: ...ill 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 heat it for exactly one minute 3 Stir the water again and read the temperatu...

Page 60: ...ed less than 5mW cm2 Leakage for a fully assembled oven with door normally closed less than 2mW cm 2 Leakage for a fully assembled oven Before the latch switch primary is interrupted while pulling the door less than 2mW cm 2 1 Pour 275 15cc 9ozs 1 2oz of 20 C 5 C 68 9 F water in a beaker which is graduated to 600cc and place in the center of the oven 2 Set the radiation monitor to 2450MHz and use ...

Page 61: ...er panel are fully assembled measure for radiation leakage around the door periphery the door viewing window the exhaust opening and air inlet openings 8 3 Record keeping and notification after measurement 1 After any adjustment or repair to a microwave oven a leakage reading must be taken Record this leakage reading on the repair ticket even if it is zero A copy of this repair ticket and the micr...

Page 62: ...rking on this panel to any static charge in your body 7 230 240V AC is present on the digital programmer circuit Terminals of power relay s and primary of Digital Programmer Circuit When troubleshooting be cautious of possible electrical shock hazard Before troubleshooting operate the microwave oven following the correct operating procedures in the instruction manual in order to find the exact cau...

Page 63: ...TE 1 4 Defective Inverter Power Supply U NOTE 1 All of these switches must be replaced at the same time Check continuity of power relay B RY 1 s contacts between and if it has continuity replace power relay B RY 1 also 3 Oven does not accept key input Program 1 2 Key input is not in sequence Open or loose connection of membrane key pad to DPC Flat cable Refer to operation procedure 3 Shorted or op...

Page 64: ...r does not start countdown 1 Open or loose wiring of secondary latch switch 2 Off alignment of secondary latch switch 3 Defective secondary latch switch 7 Microwave output is low Oven takes longer time to cook food 1 Decrease in power source voltage Consult electrician 2 Open or loose wiring of magnetron filament circuit Intermittent oscillation 3 Aging change of magnetron 8 Fan motor turns on and...

Page 65: ...ilure codes to indicate magnetron and inverter circuit problem areas This section explains failure codes of H97 H98 and H99 First you must program the DPC by pressing Clock Timer Start Micro Power Program unit for operation H97 H98 H99 appears in display window a short time after start key is pressed and there is no microwave oscillation Alternate way to troubleshoot oven with AC Ampere meter used...

Page 66: ... NOTE At the time of these repairs make visual inspection of the varistor for burning damage and examine the transformer with tester for the presence of layer short circuit check primary coil resistance If any abnormal condition is detected replace the defective parts No key input 1 Membrane switch continuity Abnormal Membrane Normal IC 1 No beep sound 1 IC 1 pin 29 voltage Abnormal IC 1 Normal BZ...

Page 67: ...ure voltage between terminals 0V 1 Latch 2 DPC Power Relay AC line voltage of 230 240V Step 2 Unplug CN701 3 pin connector and measure pin 1 voltage 0V DPC Approx AC 3V Magnetron CONTINUED FOR SENSOR MODELS Auto sensor cooking does not operate normally Steam Sensor cooking does not detect steam from foods 1 Steam sensor terminal voltage by using high impedance tester 20k V while breathing on metal...

Page 68: ... in this part list Do not use description of the part 2 Important safety notice Components identified by mark have special characteristics important for safety When replacing any of these components use only manufacture s specified parts NOTE Please order all parts from MELUK in U K 34 ...

Page 69: ...523MF EPG 9 F200A5Q30BP OVEN 1 T543WF BPQ Q543WF EPG 10 F20555Q00BP COVER 1 11 F21314Y00XN 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 GUIDE A 1 18 F40425Q00AP AIR GUIDE F 1 19 F612E5G10XN INCANDESCENT LAMP U 1 20W 240V 21 F41445Q00AP UPPER ORIFICE 1 22 F42095Q00AP LOW...

Page 70: ...0W 120V 51 F630G5R20GP HEATER AU 2 V653WF CF GPG V623MF GPG F EPG 650W 120V 51 F630G5R00BP HEATER AU 2 V453WF BPQ 550W 120V 51 F630G5U00XN HEATER AU 2 V453WF GPG V423MF GPG 550W 120V 52 F64605R00BP HEATER MOUNTING PLATE 2 V BPQ V GPG F EPG 55 F40245R00BP EXHAUST GUIDE A 1 V BPQ V GPG F EPG 56 F01505R00BP NO TOUCHING LABEL 1 V MF WF BPQ 56 F01505R20BP NO TOUCHING LABEL 1 V CF BPQ 57 F01505R00GP NO ...

Page 71: ... F30215G10XN DOOR KEY SPRING 1 D5 F30855Q00AP DOOR C 1 D6 F31454T00AP DOOR SCREEN A 1 T BPQ Q EPG D7 F31465R00BP DOOR SCREEN B 1 V BPQ D7 F31465R00EP DOOR SCREEN B 1 V GPG F EPG D7 F31465Q00BP DOOR SCREEN B 1 T BPQ D7 F31465Q00EP DOOR SCREEN B 1 Q EPG 13 WIRING MATERIALS Ref No Part No Part Name Description Pcs Set Remarks W1 F030A5R00BP LEAD WIRE HARNESS 1 V BPQ V GPG F EPG W1 F030A5Q00BP LEAD WI...

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Page 73: ...0Y5Q30HBP MEMBRANE SWITCH U 1 T543WF BPQ E5 F80345Q00HBP ESCUTCHEON BASE 1 V653WF BPQ V653WF GPG V453WF BPQ V453WF GPG T553WF BPQ T543WF BPQ E5 F80345Q00SBP ESCUTCHEON BASE 1 V623MF BPQ V623MF GPG V423MF GPG T523MF BPQ E5 F80345Q00CBP ESCUTCHEON BASE 1 V653CF BPQ V653CF GPG E6 F80725Q00HAP DOOR OPENING BUTTON 1 V WF F WF T WF Q WF E6 F80725Q00SAP DOOR OPENING BUTTON 1 V MF F MF T MF Q MF E6 F80725...

Page 74: ... GPG E20 F00075R60CGP NAME PLATE 1 V653CF GPG E20 F00075R60SGP NAME PLATE 1 V623MF GPG E20 F00075R80HEP NAME PLATE 1 F663WF EPG E20 F00075R70HEP NAME PLATE 1 F653WF EPG E20 F00075R80SEP NAME PLATE 1 F623MF EPG E20 F00075R20HBP NAME PLATE 1 V453WF BPQ E20 F00075R20HGP NAME PLATE 1 V453WF GPG E20 F00075R20SGP NAME PLATE 1 V423MF GPG E20 F00075Q80HBP NAME PLATE 1 T553WF BPQ E20 F00075Q70SBP NAME PLAT...

Page 75: ...25R20SGP PACKING CASE PAPER 1 V423MF GPG P2 F01025Q80HBP PACKING CASE PAPER 1 T553WF BPQ P2 F01025Q70SBP PACKING CASE PAPER 1 T523MF BPQ P2 F01026A00HEP PACKING CASE PAPER 1 Q553WF EPG P2 F01025Q90SEP PACKING CASE PAPER 1 Q523MF EPG P2 F01025Q30HBP PACKING CASE PAPER 1 T543WF BPQ P2 F01025Q50HEP PACKING CASE PAPER 1 Q543WF EPG P3 F01045Q00AP UPPER FILLER 1 P4 F01055Q00AP LOWER FILLER 1 P5 F0106810...

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Page 77: ...17 DIGITAL PROGRAMMER CIRCUIT EPG MODELS SCHEMATIC DIAGRAM 43 ...

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Page 79: ...18 DIGITAL PROGRAMMER CIRCUIT BPQ GPG MODELS PARTS LIST 45 ...

Page 80: ...CHIP DIGI TRANSISTOR 1 Q182 Q222 Q223 Q224 AESC23JKE CHIP DIGI TRANSISTOR 4 Q10 Q180 2SD1859TV2Q TRANSISTOR 2 Q181 Q220 Q225 2SC2412KT146 CHIP TRANSISTOR 3 R182 R183 AERJ06J101R CHIP RESISTOR 2 100 1 16W 5 R224 AERJ06J103R CHIP RESISTOR 1 10K 1 16W 5 R221 R228 R342 R343 AERJ06J104R CHIP RESISTOR 4 100K 1 16W 5 R181R320 R227 AERJ06J220R CHIP RESISTOR 3 22 1 16W 5 R220 R222 R223 AERJ06J222R CHIP RES...

Page 81: ...2 Q181 Q220 Q225 2SC2412KT146 CHIP TRANSISTOR 3 SW1 SW2 SW21 SW23 SW28 SW30 EVQ11L05R SLIGHT TOUCH SWITCH 8 RSW90 AEVQSR172 REVOLVING SWITCH 1 RE80 AEVQECR1611E REVOLVING ENCODER 1 R182 R183 AERJ06J101R CHIP RESISTOR 2 100 1 16W 5 R80 R81 AERJ06J102R CHIP RESISTOR 2 1K 1 16W 5 R82 R83 R90 R94 R224 AERJ06J103R CHIP RESISTOR 5 10K 1 16W 5 R221 R228 R342 R343 AERJ06J104R CHIP RESISTOR 4 100K 1 16W 5 ...

Page 82: ...art No Part Name Description Pcs Set Remarks T10 AETP5L00QP LOW VOLTAGE TRANSFORMER 1 ZD10 AESZMTZJ5R6B ZENER DIODE 1 03 03 S 5R2 S 5R5 S 5R6 S 5R7 S 5R8 S 5Q3 S 5Q5 S 5Q7 S 5Q8 S 5Q9 S 6A0 Printed in China 48 ...

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