Panasonic INVERTER NN-H665, Service Manual

Page 1: ...bution is a violation of law NN T695 NN T685SF NN T675SF NN T665SF NN T655SF NN T664SFR NN H665 NN S655 NN H645 NN S645 NN H635 NN S635 NN H625 NN S625 NN S615 NN S605 NN S505 NN S665 NN H624BFR NN H624WFR NN H504BFR NN H504WFR APH USA CPH CANADA RPH Mexico Latin American Microwave Oven ORDER NO PHAMOS0501001C7 E1 ...

Page 2: ...2 NN T695 NN T685SF ...

Page 3: ...3 NN T695 NN T685SF ...

Page 4: ...ne key board Membrane switch assembly 16 5 5 Inverter power supply U 17 6 MEASUREMENTS AND ADJUSTMENTS 18 6 1 Adjustment of primary latch switch secondary latch switch and short switch 18 6 2 Measurement of microwave output 18 7 PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE 19 7 1 Equipment 19 7 2 Procedure for measuring radiation leakage 19 7 3 Record keeping and notification after measurement...

Page 5: ...1 SCHEMATIC DIAGRAM 1 1 APH 5 NN T695 NN T685SF ...

Page 6: ...1 2 CPH 6 NN T695 NN T685SF ...

Page 7: ...1 3 RPH 7 NN T695 NN T685SF ...

Page 8: ...s signal is fed back 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 2 3 Inverter defrost 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 oper...

Page 9: ...riod and the Auto program selected is Oatmeal T2 T1 K 2 min and 40 sec 0 1 160sec 0 1 16 sec Category P1 Power P2 Power K Factor Standard Oatmeal HIGH HIGH 0 1 2 5 Sensor reheat Only for sensor models Auto Sensor Reheat is a quick and easy way to reheat refrigerated and room temperature foods Simply press the reheat pad There is no need to select power level and cooking time NOTE The Auto Sensor R...

Page 10: ...um 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 bracket must be connected to the chassis If the inverter boar...

Page 11: ...tion 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 antennaand cause microwave leakage 3 6 Confirm after repair 1 After repair or replacement of parts make sure that the screws of the oven etc are neither loosen or missing Microwave might leak if screws are not properly tightened 2 Make sure that all ...

Page 12: ...round to discharge any electric charge 1 Disconnect all connectors from D P C 2 Remove 1 grounding screw 3 Remove 1 screw holding escutcheon base and slide the escutcheon base upward slightly 4 Remove 1 screw holding D P C 5 Release lock of connector CN6 by pushing both levers to inside pull upward and remove flat cable of membrane keyboard 6 Separate D P C board from tabs on the escutcheon base a...

Page 13: ... holding fan motor to orifice 6 Separate the fan motor from the orifice assembly by freeing 2 catch hooks on the orifice assembly 4 5 Door assembly 1 Remove door C from door E by carefully pulling outward starting from upper right hand corner using a flat blade screwdriver 2 Separate door E from tabs on door A and remove door A 3 Open Door E at the opening angle of approximately 10 Note The door c...

Page 14: ...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 usinga 4mm 6mm screw 4 7 Steam sensor 1 Disconnect connector CN2 from digital programmer circuit board 2 Disengage catch hooks on sensor cover C from orifice 3 Rem...

Page 15: ...e high voltage charge 2 Remove the the H V lead wire from magnetron terminals 3 Disconnect 2 connectors from CN701 CN702 on H V Inverter U 4 Remove 1 screw holding grounding plate to the base 5 Bend back 1 locking metal tab on the base 6 Press 1 encircled locking tab and then slide 4 locking tabs of Inverter bracket at the bottom of the base in direction of arrows 7 Remove 1 screw holding H V Inve...

Page 16: ...witch monitor 1 Unplug lead wires from Inverter Power Supply U primary terminals 2 Connect test probes of ohm meter to the disconnected leads which were connected to Inverter Power Supply U 3 Test the continuity of short switch with door opened and closed positions using lowest scale of the ohm meter Normal continuity readings should be as follows Door Opened Door Closed 0Ω Ω 5 3 Magnetron Continu...

Page 17: ...ven 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 FAILURE CODE Unplug CN703 0 5 to 1A Oven stops in 23 seconds after started Test2 Continued from Test 1 1 Unplug 3 pin connector CN701 CN703 remains unplugged 2 Program oven at High power for...

Page 18: ...ponent test procedures 6 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 NOTE Check the line voltage under lo...

Page 19: ...d with the probe 4 Tap the start pad or set the timer and with the magnetron oscillating measure the leakage by holding the probe perpendicular to the surface being measured 7 2 1 Measurement with the outer panel removed Whenever you replace the magnetron measure for radiation leakage before the outer panel is installed and after all necessary components are replaced or adjusted Special care shoul...

Page 20: ...g on this panel to discharge any static charge in your body 7 120V 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 procedures in the instruction manual in order to find the...

Page 21: ...n filament voltage and cause magnetron to have lower output and or be intermittent Adjust door and latch switches 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 defective 4 Open or loose wiring of power relay B RY 1 5 Defective primary latch switch 6 Defective DPC or power relay B RY 1...

Page 22: ...lains failure codes of H97 H98 and H99 First you must program the DPC by pressing Clock Timer Start Power Level 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 H97 H98 H99 appears in display window a short time after start key is pressed and no...

Page 23: ...edure 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 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 F606Y6G00AP F606Y6G00CP 2 D702 is OK Replace magnetron Shut off in 3 seconds after Start ...

Page 24: ...9 EXPLODED VIEW AND PARTS LIST 9 1 EXPLODED VIEW 24 NN T695 NN T685SF ...

Page 25: ...F APH 2 F00077D90HRP NAME PLATE 1 S655WF RPH 2 F00077G50HRP NAME PLATE 1 S655WM RPH 2 F00077G60HRP NAME PLATE 1 S645WM RPH 3 F00337D00AP FUSE LABEL 1 APH CPH 3 F00337D00RP FUSE LABEL 1 RPH 4 F10016K10AP BASE 1 5 F10084T00AP RUBBER FOOT 4 6 F110D5Y00SAP CABINET BODY U 1 T695SF SM T685SF 6 F110D5Y30SAP CABINET BODY U 1 T664SFR 6 F110D5Y40SAP CABINET BODY U 1 T675SF T665SF T655SF 6 F110D5L70SAP CABIN...

Page 26: ...0AP NOISE FILTER U 1 APH 38 J692Y4T00CPR NOISE FILTER U 1 CPH 39 XTWFA4 12T SCREW 4 FOR MAGNETRON 40 XTTFA4 6BN SCREW 1 FOR COVER 42 XTCAFA4 12AFM SCREW 1 FOR CABINET BODY SIDE T695SF SM T685SF 42 XTCAFA4 12AFS SCREW 1 FOR CABINET BODY SIDE T675SF T665SF T655SF T664SFR H6 5MF 42 XTCAFA4 12AFK SCREW 1 FOR CABINET BODY SIDE H6 5BF S 5BF H624BFR H504BFR 42 XTCAFA4 12AFW SCREW 1 FOR CABINET BODY SIDE ...

Page 27: ...H D2 F30014T00HAP DOOR A 1 S505WF APH CPH H504WFR APH D3 F302K5L00AP DOOR E U 1 EXCEPT S505 APH CPH H504 FR APH D3 F302K4T00AP DOOR E U 1 S505 APH CPH H504 FR APH D4 F30215G10XN DOOR KEY SPRING 1 D5 F30854T00AP DOOR C 1 D6 F31454T00AP DOOR SCREEN A 1 D7 F31467D60BAP DOOR SCREEN B 1 H665BF APH CPH H635BF APH S655BF APH S645BF MF APH S635BF CPH S615BF CPH S605BF CPH D7 F31467D60HAP DOOR SCREEN B 1 H...

Page 28: ...CPH T695SF SM RPH E46 F80725Y00SAP DOOR OPENING BUTTON 1 T6 5 APH CPH RPH T664SFR APH E47 F82565Y00AP DOOR OPENING LEVER 1 T695SF APH CPH T695SF SM RPH E48 F80375K00AP COOK BUTTON SPRING 1 E49 F630Y7D00SAP MEMBRANE SWITCH U 1 T695SF APH E49 F630Y7D00SCP MEMBRANE SWITCH U 1 T695SF CPH E49 F630Y7D00SRP MEMBRANE SWITCH U 1 T695SF SM RPH E50 F90095X00AP GROUNDING PANEL 1 T6 5 APH CPH RPH T664SFR APH E...

Page 29: ...P FLAT CABLE 1 T685SF APH CPH T675SF APH E25 F82986K10AP BUTTON 1 T685SF APH CPH T675SF APH E26 F80725Y00SAP DOOR OPENING BUTTON 1 T6 5 APH CPH RPH T664SFR APH E27 F82566K10AP DOOR OPENING LEVER 1 T685SF APH CPH T675SF APH E28 F80375K00AP COOK BUTTON SPRING 1 E29 F83377D10SAP MEMBRANE SHEET 1 T685SF APH T675SF APH E29 F83377D10SCP MEMBRANE SHEET 1 T685SF CPH E30 F90095X00AP GROUNDING PANEL 1 T6 5 ...

Page 30: ...5WF APH S615WF CPH E83 F80347D60SAP ESCUTCHEON BASE 1 S645MF APH E84 F66164W20AP FLAT CABLE 1 H665 APH CPH H635 APH S655 APH S645 APH S615 CPH E85 F82987D60KAP BUTTON 1 H665 APH CPH H635 APH S655 APH S645 APH S615 CPH E89 F630Y7D60BAP MEMBRANE SWITCH U 1 H665BF APH H635BF APH E89 F630Y7D60HAP MEMBRANE SWITCH U 1 H665WF APH H635WF APH E89 F630Y7D60BCP MEMBRANE SWITCH U 1 H665BF CPH E89 F630Y7D60HCP...

Page 31: ...E 1 S505BF APH CPH H504BFR APH E103 F80344T00HAP ESCUTCHEON BASE 1 S505WF APH CPH H504WFR APH E109 F630Y6K80BAP MEMBRANE SWITCH U 1 S635BF APH E109 F630Y6K80HAP MEMBRANE SWITCH U 1 S635WF APH E109 F630Y7E80BCP MEMBRANE SWITCH U 1 S635BF CPH E109 F630Y7E80HCP MEMBRANE SWITCH U 1 S635WF CPH E109 F630Y7E70BCP MEMBRANE SWITCH U 1 S605BF CPH E109 F630Y7E70HCP MEMBRANE SWITCH U 1 S605WF CPH E109 F630Y6L...

Page 32: ...BF CPH E115 F00077F10HCP NAME PLATE 1 S505WF CPH 9 4 5 NN T665SF APH T655SF APH T664SFR APH Ref No Part No Part Name Description Pcs Set Remarks E61 F603L7D40AP D P CIRCUIT AU 1 T665SF APH T655SF APH T664SFR APH E63 F800L5Y70SAP ESCUTCHEON BASE U T665SF APH E63 F800L5Y00BAP ESCUTCHEON BASE U T655SF APH T664SFR APH E66 F80725Y00SAP DOOR OPENING BUTTON 1 T6 5 APH CPH RPH T664SFR APH E67 F82565Y00AP ...

Page 33: ...7D00SAP PACKING CASE PAPER 1 T695SF APH P2 F01027D00SCP PACKING CASE PAPER 1 T695SF CPH P2 F01027D00SRP PACKING CASE PAPER 1 T695SF RPH P2 F01027G40SRP PACKING CASE PAPER 1 T695SM RPH P2 F01027D10SAP PACKING CASE PAPER 1 T685SF APH P2 F01027D10SCP PACKING CASE PAPER 1 T685SF CPH P2 F01027D30SAP PACKING CASE PAPER 1 T675SF APH P2 F01027D50SAP PACKING CASE PAPER 1 T665SF APH P2 F01027D40SAP PACKING ...

Page 34: ...EXCEPT S505 APH CPH H504 FR APH P3 F01045L30AP UPPER FILLER S505 APH CPH H504 FR APH P4 F01055L00AP LOWER FILLER 1 EXCEPT S505 APH CPH H504 FR APH P4 F01054T00AP LOWER FILLER S505 APH CPH H504 FR APH P5 F01068100XN P E BAG 1 P6 F01078100XN DOOR SHEET 1 P7 F01085T20RP TRAY PACKING 1 S505 APH CPH H504 FR APH P8 F06014T00AP COOKING TRAY 1 P9 F01924T00AP SHEET 1 H 5BF S 5MF BF H624BFR H504BFR P10 F000...

Page 35: ...10 DIGITAL PROGRAMMER CIRCUIT 10 1 NN T695SF APH CPH T695SF SM RPH 35 NN T695 NN T685SF ...

Page 36: ...36 NN T695 NN T685SF ...

Page 37: ...10 2 NN T685SF APH CPH T675SF APH 37 NN T695 NN T685SF ...

Page 38: ...38 NN T695 NN T685SF ...

Page 39: ...10 3 NN T665SF APH T655SF APH T664SFR APH 39 NN T695 NN T685SF ...

Page 40: ...40 NN T695 NN T685SF ...

Page 41: ...10 4 NN H665 APH CPH H635 APH S655 APH S645 APH S615 CPH 41 NN T695 NN T685SF ...

Page 42: ...42 NN T695 NN T685SF ...

Page 43: ...10 5 NN H645 APH S635 APH CPH H625 APH S625 CPH S605 CPH S505 APH CPH S655 RPH S645 RPH H624 FR APH H504 FR APH 43 NN T695 NN T685SF ...

Page 44: ...44 NN T695 NN T685SF ...

Page 45: ...NECTOR 1 CN9 F03547B40AP CONNECTOR 1 3 Pin CX320 EFOEC8004A4 CERAMIC RESONATOR 1 8MHz IC1 MN101C54CFY L S I 1 IC480 C0ABBZ000017 IC 1 DISP110 AEDDHJ4M00AP LCD 1 DISPL1 F66175E40XN LCD HOLDER 1 F67525E40XN DIFFUSION SHEET 1 Q220 Q225 B1ABCF000010 CHIP TRANSISTOR 2 Q221 B1ADCF000003 CHIP TRANSISTOR 1 Q181 B1ABCF000010 CHIP TRANSISTOR 1 Q182 Q210 B1GBCFEL0002 CHIP DIGI TRANSISTOR 2 Q222 B1GDCFJJ0002 ...

Page 46: ...1 8MHz IC1 MN101C54CWT L S I 1 IC480 C0ABBZ000017 IC 1 DISP110 AEDDHJ5W00AP LCD 1 DISPL1 F66175W00AP LCD HOLDER 1 F67525E40XN DIFFUSION SHEET 1 D180 D189 AESQPY1112H CHIP LED 10 D220 D221 D225 B0AACK000004 DIODE 3 D223 B0AACK000004 DIODE 1 CPH D10 D11 D12 D13 AESSRCT1A6 E DIODE 4 D40 D226 D227 B0AACK000004 DIODE 3 D25 AERZ271KD10N VARISTOR 1 270V D26 D27 AERZ102KD10N VARISTOR 2 1100V CPH Q224 B1GB...

Page 47: ...CN4 K1KA04AA0086 CONNECTOR 1 CX320 EFOEC8004A4 CERAMIC RESONATOR 1 8MHz IC1 MN101C78ADD L S I 1 IC350 C0EBE0000401 IC 1 IC480 C0ABBZ000017 IC 1 DISP110 AEDDHJ7D40AP LCD 1 DISPL1 F66174U20AP LCD HOLDER 1 Q220 B1ADCF000003 CHIP TRANSISTOR 1 Q11 Q181 Q224 Q231 B1ABCF000010 CHIP TRANSISTOR 4 Q182 Q210 Q331 B1GBCFEL0002 CHIP DIGI TRANSISTOR 3 Q222 Q330 B1GDCFJJ0002 CHIP DIGI TRANSISTOR 2 Q10 Q180 B1BAA...

Page 48: ...9BA0072 CONNECTOR 1 CN9 CN10 F03547B40AP CONNECTOR 2 3 Pin CN13 CN14 AEPINIPS 1E7 PIN 2 CX320 EFOEC8004A4 CERAMIC RESONATOR 1 8 0MHz IC1 MN101C78ADD L S I 1 IC350 C0EBE0000401 IC 1 IC480 C0ABBZ000017 IC 1 H6 5 APH CPH DISP110 AEDDHJ7B40AP LCD 1 F66177D60AP LCD HOLDER 1 Q221 B1ADCF000003 CHIP TRANSISTOR 1 Q11 Q181 Q220 Q225 B1ABCF000010 CHIP TRANSISTOR 4 Q222 Q330 B1GDCFJJ0002 CHIP DIGI TRANSISTOR ...

Page 49: ...50AP INV HARNESS U 1 CN4 K1KA04AA0086 CONNECTOR 1 CX320 EFOEC8004A4 CERAMIC RESONATOR 1 8MHz IC1 MN101C78ADD L S I 1 IC350 C0EBE0000401 IC 1 IC480 C0ABBZ000017 IC 1 H6 5 APH H624 F R APH H504 FR APH Q220 B1ADCF000003 CHIP TRANSISTOR 1 Q11 Q40 Q181 Q224 Q231 B1ABCF000010 CHIP TRANSISTOR 5 Q222 Q330 B1GDCFJJ0002 CHIP DIGI TRANSISTOR 2 Q182 Q210 Q331 B1GBCFEL0002 CHIP DIGI TRANSISTOR 3 Q225 B1GBCFEL0...