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Ref. No.

Part No.

Part Name & Description

Pcs/Set

Remarks

F00205H00AP

CAUTION LABEL

APH

F00067600CP

CAUTION LABEL

CPH

F00335H00AP

FUSE LABEL

F110D5H00SAP CABINET BODY (U)

S262SF

F110D5H10BAP CABINET BODY (U)

S262BF, S252BF

F110D5H10HAP CABINET BODY (U)

S262WF, S252WF

F100D5H00AP BASE PLATE (U)

F201A5H00AP OVEN (U)

S262SF/BF/WF

F201A5H20AP OVEN (U)

S252BF/WF

F20115H00AP

COVER

F21314W00AP PULLY SHAFT

J290D-4N30BP ROLLER RING (U)

E3020-8000BP DOOR HOOK

E3136-8000BP HOOK LEVER A

E31374830AP

HOOK LEVER B

E31384830AP

HOOK LEVER C

F40015H00AP

FAN MOTOR A

FOR INVERTER (U) COOLING

F40085H00AP

FAN BLADE

FOR INVERTER (U) COOLING

F40255H00AP

ORIFICE

F401W5H00AP BLOWER MOTOR (U)

F42485H00AP

FAN CASE C

F41585H00AP

FAN CASE INSTALLATION PLATE

F42505H00AP

SIROCCO FAN C

F42675H00AP

FAN MOTOR B

FOR MAGNETRON COOLING

F601L5H00AP

SENSOR (BU)

S262SF/BF/WF

F40245H00AP

EXHAUST GUIDE A

F44775H00AP

EXHAUST GUIDE

F20025H00AP

RACK SUPPORT

S262SF/BF/WF

F65855H00AP

INVERTER BRACKET

F62385H00AP

WASHER

S262SF/BF/WF

F201H5H00AP MAGNET CASE (U)

F16035H00AP

TOP FRONT COVER

Содержание NN-P295

Страница 1: ... NN P295 NN H275 NN S255 NN S245 NN H264SFR NN H264BFR NN H264WFR NN S254SFR NN S254BFR NN S254WFR APH USA CPH CANADA Please file and use this manual together with the service manual for Model NN S262SF Order No SIMMC0203005C1 SPECIFICATIONS 1 ...

Страница 3: ...3 ...

Страница 4: ...4 ...

Страница 5: ...5 ...

Страница 6: ...1 SCHEMATIC DIAGRAM 1 1 APH NN P295 H275 1 2 APH NN S255 6 ...

Страница 7: ...1 3 APH NN H264 FR S254 FR 7 ...

Страница 8: ...1 4 CPH NN P295 H275 8 ...

Страница 9: ...1 5 CPH NN S255 S245 9 ...

Страница 10: ...2 MEASUREMENTS AND ADJUSTMENTS 10 ...

Страница 11: ...en 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 it Check for play in the door by pulling the door assembly Make sure that the latch keys move smoothly after adjustment is completed Completely tighten the screws holding the door hook assembly to the o...

Страница 12: ...age under load Low voltage will 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 ...

Страница 13: ...5 mW cm2 while in the customer s home 2mW cm2 stated here is our own voluntary standard 1mW cm2 for Canada 3 1 Equipment Electromagnatic radiation monitor Glass thermometer 212 F or 100 C 600cc glass beaker 3 2 Procedure for measuring radiation leakage Note before measuring Do not exceed meter full scale deflection Leakage monitor should initially be set to the highest scale To prevent false readi...

Страница 14: ...g around the magnetron WARNING Avoid contacting any high voltage parts 3 2 2 Measurements with a fully assembled oven After all components including outer panel are fully assembled measure for radiation leakage around the door periphery the door viewing window the exhaust opening and air inlet openings 3 3 Record keeping and notification after measurement After any adjustment or repair to a microw...

Страница 15: ... INVERTER MAGNETRON TROUBLESHOUTING Purpose Simple way 3 23 seconds rule of identifying whether it s Magnetron Inverter or others Set up The unit under question is connected through the Ammeter as shown below Procedure 15 ...

Страница 16: ...V Inverter F606Y6G00AP F606Y6G00CP 2 D702 is OK Replace magnetron Shut off in 3 seconds after Start 1 Less than 0 5A Check open circuit Latch Switch DPC Power Relay and CN701 Replace defective component s or correct switch cables and connectors 5 H V INVERTER BOARD MAIN PARTS LIST F606Y6G00AP F606Y6G00CP Ref No Part No Part Name Description Pcs Set Remarks C707 ECWH30822JUA CAPACITOR 1 8200PF 3000...

Страница 17: ...use part number s shown 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 17 ...

Страница 18: ...NG 16 F40256Z00AP ORIFICE 1 17 F401W6Z00AP BLOWER MOTOR U 1 P295 APH CPH H275 APH CPH 17 F401W6Z60AP BLOWER MOTOR U 1 S255 APH CPH S245 CPH H264 FR APH S254 FR APH 18 F42486Z00AP FAN CASE C 1 20 F42505H00AP SIROCCO FAN C 1 21 F42676F00AP FAN MOTOR B 1 FOR MAGNETRON COOLING 22 F601L6F00AP SENSOR BU 1 P295 APH CPH H275 APH CPH H264 FR APH 23 F40246Z00AP EXHAUST GUIDE A 1 24 F44775H00AP EXHAUST GUIDE...

Страница 19: ...40 F607V6Z00AP LAMP COVER U 1 19 ...

Страница 20: ...95 APH CPH H275 APH CPH 59 F66985H00AP MOTOR CAPACITOR 1 S255 APH CPH S245 CPH H264 FR APH S254 FR APH 60 F63266F00AP TURNTABLE MOTOR 1 61 F900C6Z00AP AC CORD W PLUG 1 APH 61 F900C6Z00CP AC CORD W PLUG 1 CPH 62 F90804W00AP CANOE CLIP 1 FOR COVER 63 F101V6Z20SAP VENT GRILLE U 1 H275SF 63 F101V6Z30BAP VENT GRILLE U 1 H275BF S255BF 63 F101V6Z30HAP VENT GRILLE U 1 H275WF S255WF 63 F101V6Z30QAP VENT GR...

Страница 21: ...8246F00AP SHAFT 1 P295 APH CPH 82 F111B6F00AP BACKSTOP AU 2 P295 APH CPH 83 F111C6F00AP BACKSTOP BU 1 P295 APH CPH 84 J61424T00AP MICRO SWITCH 1 P295 APH CPH 85 F101V6Z00SAP VENT GRILLE U 1 P295SF APH 85 F101V6F00SAP VENT GRILLE U 1 P295SF CPH 85 F101V6Z00BAP VENT GRILLE U 1 P295BF 85 F101V6Z00HAP VENT GRILLE U 1 P295WF 86 F90356Z00AP AC CORD FIXING PLATE 1 87 A66135H00AP BRACKET A 3 88 F04466Z20A...

Страница 22: ...AP DOOR A U 1 H275WF APH CPH S255WF APH CPH D2 F302A6Z30QAP DOOR A U 1 H275QF APH CPH D2 F302A5V10SAP DOOR A U 1 H264SFR APH D2 F302A5V20BAP DOOR A U 1 H264BFR APH D2 F302A5V20HAP DOOR A U 1 H264WFR APH D2 F302A6F20SAP DOOR A U 1 S254SFR APH D2 F302A6F20BAP DOOR A U 1 S254BFR APH S245BF CPH D2 F302A6F20HAP DOOR A U 1 S254WFR APH S245WF CPH D3 F302K5H00AP DOOR E U 1 D4 F30215G10XN DOOR KEY SPRING 1...

Страница 23: ...Z00BCP ESCUTCHEON BASE U 1 P295BF CPH E23 F800L6Z00HCP ESCUTCHEON BASE U 1 P295WF CPH E24 F66166Z00AP FLAT CABLE 1 P295 APH CPH E25 F82986F00SAP BUTTON 1 P295SF APH CPH E25 F82986Z00BAP BUTTON 1 P295BF APH CPH E25 F82986Z00HAP BUTTON 1 P295WF APH CPH E26 F891P6F00SAP DOOR OPENING BUTTON 1 P295SF APH CPH E26 F891P6Z00BAP DOOR OPENING BUTTON 1 P295BF APH CPH E26 F891P6Z00HAP DOOR OPENING BUTTON 1 P2...

Страница 24: ...Z20SAP DOOR OPENING BUTTON U 1 H275SF APH CPH E46 F80726Z30BAP DOOR OPENING BUTTON 1 H275BF APH CPH E46 F80726Z30HAP DOOR OPENING BUTTON 1 H275WF APH CPH E46 F80726Z30QAP DOOR OPENING BUTTON 1 H275QF APH CPH E47 F82566F00AP DOOR OPENING LEVER 1 E48 F80375950AP COOK BUTTON SPRING 1 E49 F630Y6Z20SAP MEMBRANE SWITCH U 1 H275SF APH E49 F630Y6Z20SCP MEMBRANE SWITCH U 1 H275SF CPH E49 F630Y6Z30BAP MEMBR...

Страница 25: ...PH E55 F00076Z20SAP NAME PLATE 1 H275SF APH E55 F00076Z30BAP NAME PLATE 1 H275BF APH E55 F00076Z30HAP NAME PLATE 1 H275WF APH E55 F00076Z30QAP NAME PLATE 1 H275QF APH E55 F00076Z20SCP NAME PLATE 1 H275SF CPH E55 F00076Z30BCP NAME PLATE 1 H275BF CPH E55 F00076Z30HCP NAME PLATE 1 H275WF CPH E55 F00076Z30QCP NAME PLATE 1 H275QF CPH 6 4 3 NN S255 APH CPH S245 CPH H264 FR APH S254 FR APH 25 ...

Страница 26: ... LEVER 1 S245 CPH H264 FR APH S254 FR APH E8 F80375950AP COOK BUTTON SPRING 1 E9 F630Y6Z60BAP MEMBRANE SWITCH U 1 S255BF APH E9 F630Y6Z60HAP MEMBRANE SWITCH U 1 S255WF APH E9 F630Y6Z60BCP MEMBRANE SWITCH U 1 S255BF CPH E9 F630Y6Z60HCP MEMBRANE SWITCH U 1 S255WF CPH E9 F630Y6F20BCP MEMBRANE SWITCH U 1 S245BF CPH E9 F630Y6F20HCP MEMBRANE SWITCH U 1 S245WF CPH E9 F630Y6F10BAP MEMBRANE SWITCH U 1 H264...

Страница 27: ...295BF CPH P2 F01026Z00HCP PACKING CASE PAPER 1 P295WF CPH P2 F01026Z20SAP PACKING CASE PAPER 1 H275SF APH P2 F01026Z30BAP PACKING CASE PAPER 1 H275BF APH P2 F01026Z30HAP PACKING CASE PAPER 1 H275WF APH P2 F01026Z30QAP PACKING CASE PAPER 1 H275QF APH P2 F01026Z20SCP PACKING CASE PAPER 1 H275SF CPH P2 F01026Z30BCP PACKING CASE PAPER 1 H275BF CPH P2 F01026Z30HCP PACKING CASE PAPER 1 H275WF CPH P2 F01...

Страница 28: ... P12 F06025H00AP OVEN RACK 1 P295 APH CPH H275 APH CPH S255 CPH H264 FR APH P13 F02185H00AP PROTECTOR PACKING 1 P14 F03136Z00AP INSTALLATION INSTRUCTION 1 APH P14 F03136Z00CP INSTALLATION INSTRUCTION 1 CPH P15 F04316Z00AP UPPER CABINET TEMPLATE 1 APH P15 F04316Z00CP UPPER CABINET TEMPLATE 1 CPH P16 F011F6Z00AP ATTACHMENT 1 P17 F04845V10AP FILTER PURCHASE NOTICE 1 APH P18 F04456Z00SCP OVERLAY 1 P29...

Страница 29: ... CPH W1 F030A6Z60AP LEAD WIRE HARNESS 1 S255BF WF APH W1 F030A6Z60CP LEAD WIRE HARNESS 1 S255BF WF CPH W1 F030A6Y90CP LEAD WIRE HARNESS 1 S245BF WF CPH W1 F030A6Z80AP LEAD WIRE HARNESS 1 H264 FR APH S254 FR APH W2 F030E5H00AP H V LEAD WIRE 1 APH W2 F030E5H00CP H V LEAD WIRE 1 CPH W3 F03536F00AP LEAD WIRE HARNESS U 1 INCLUDING CABEL CONNECTOR CN4 W4 F03556Z00AP LEAD WIRE HARNESS 1 P295 APH CPH INCL...

Страница 30: ...30 ...

Страница 31: ...7 2 NN H275 APH CPH NN S255 APH CPH 31 ...

Страница 32: ...32 ...

Страница 33: ...7 3 NN S245 CPH H264 FR APH S254 FR APH 33 ...

Страница 34: ...34 ...

Страница 35: ...7 4 PARTS LIST 7 4 1 NN P295 APH CPH S255 APH CPH 35 ...

Страница 36: ...PH CX320 EFOEC8004A4 CERAMIC RESONATOR 1 8MHz IC1 MN101C88GDA L S I 1 IC10 C0CAADG00060 IC 1 IC25 B3PAC0000060 IC 1 IC220 B1HBGFF00007 IC 1 IC350 C0EBH0000264 IC 1 IC500 C0CAALG00023 IC 1 P295 APH CPH IC501 C0AABA000051 IC 1 P295 APH CPH A2BB00000150 DISPLAY 1 F66176Z00AP DISPLAY HOLDER 1 Q220 Q223 2SD0601A0L CHIP TRANSISTOR 2 Q40 2SD0601A0L CHIP TRANSISTOR 1 S255 APH CPH Q113 2SD0602ARL CHIP TRAN...

Страница 37: ...CHIP CAPACITOR 8 0 01 F 50V C17 C40 C223 C351 C501 C502 F1H1E104A108 CHIP CAPACITOR 6 0 1 F 25V C15 AECUU08F474Z CHIP CAPACITOR 1 0 47 F 50V CPH C10 AECETK1V102B AL CHEM CAPACITOR 1 1000 F 35V C13 AECETS1C220B AL CHEM CAPACITOR 1 22 F 16V C110 ECEA1EKS101I AL CHEM CAPACITOR 1 100 F 25V CN1 K1KA08AA0115 CONNECTOR 1 15Pin CN2 CN11 K1KA03AA0086 CONNECTOR 2 3Pin CN3 K1KA03AA0090 CONNECTOR 1 3Pin CN4 K...

Страница 38: ...K 1 10W 5 R513 AERJ06J304R CHIP RESISTOR 1 300K 1 10W 5 R210 R506 AERJ06J332R CHIP RESISTOR 2 3 3K 1 10W 5 R231 R330 R440 AERJ06J333R CHIP RESISTOR 3 33K 1 10W 5 R510 AERJ06J363R CHIP RESISTOR 1 36K 1 10W 5 R232 R331 R441 R516 AERJ06J471R CHIP RESISTOR 4 470 1 10W 5 R123 R128 R505 AERJ06J472R CHIP RESISTOR 3 4 7K 1 10W 5 R16 D0AE103JA097 CARBON FILM RESISTOR 1 10K 1 4W 5 R220 D0AE104J0001 CARBON F...

Страница 39: ...4 R APH IC480 C0AABA000051 IC 1 H264 R APH IC500 AEIC78M15AHF IC 1 H264 R APH DISP110 AEDDHJ5H00AP LCD 1 F66175E40XN DISPLAY HOLDER 1 F67525E40XN DIFFUSION SHEET 1 Q180 B1BAAJ000003 TRANSISTOR 1 Q40 Q181 Q220 Q225 B1ABCF000010 CHIP TRANSISTOR 4 Q581 B1ADCF000003 CHIP TRANSISTOR 1 H264 R APH Q25 Q182 Q224 B1GBCFEL0002 CHIP DIGI TRANSISTOR 3 Q226 B1GDCFJJ0002 CHIP DIGI TRANSISTOR 1 D180 D189 AESQPY1...

Страница 40: ...0W 5 H264 R APH R571 AERJ06J753R CHIP RESISTOR 1 75K 1 10W 5 H264 R APH R14 R180 D0AE103JA097 CARBON FILM RESISTOR 2 10K 1 4W 5 R228 R290 D0AE104J0001 CARBON FILM RESISTOR 2 100K 1 4W 5 H264 R APH R40 AERDY2TJ154T CARBON FILM RESISTOR 1 150K 1 4W 5 R12 D0AE331J0001 CARBON FILM RESISTOR 1 330 1 4W 5 R576 R578 R586 AEROY2F3300T METAL FILM RESISTOR 4 330 1 4W 5 H264 R APH ZD12 B0BA01400009 ZENER DIOD...

Страница 41: ...ORDER NO SIMMC 0203005C1 E2 Microwave Oven NN S262SF NN S262BF NN S262WF NN S252BF NN S252WF APH USA CPH CANADA SPECIFICATIONS 2002 Shanghai Matsushita Microwave Oven Co Ltd All rights 1 ...

Страница 42: ... wire etc through any holes in the unit during operation 18 8 6 Confirm after repair 19 9 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 20 9 1 Magnetron 20 9 2 Digital programmer circuit DPC and membrane key board 20 9 3 Low voltage transformer and or power relays RY1 RY2 21 9 4 Inverter power supply U 22 9 5 Door assembly 24 9 6 Stirrer motor 25 9 7 Blower motor U 25 9 8 Fan motor A for H V inverte...

Страница 43: ...acturer 33 13 TROUBLESHOOTING GUIDE 34 13 1 Trouble related to digital programmer circuit 36 13 2 Troubleshooting of inverter circuit U and magnetron NEW H V 38 13 3 How to check the semiconductors using an OHM meter 38 14 EXPLODED VIEW AND PARTS LIST 39 15 PARTS LIST 39 16 DOOR ASSEMBLY 43 17 WIRING MATERIALS 43 18 ESCUTCHEON BASE ASSEMBLY 44 19 PACKING AND ACCESORIES 45 20 DIGITAL PROGRAMMER CIR...

Страница 44: ...reserved Unauthorized copying and distribution is a violation of law 2 ...

Страница 45: ...3 ...

Страница 46: ...4 ...

Страница 47: ...5 ...

Страница 48: ...ive Stage Cooking O O Inverter Turbo Defrost O O Sensor Reheat O Sensor Cooking O Auto Reheat O Inverter Auto Cooking O Quick Min O O Popcorn O O Digital Clock O O Timer O O Child Safety Lock O O Vent Fan O O Cooktop Light O O 2 CONTROL PANEL APH 6 ...

Страница 49: ...3 CONTROL PANEL CPH 7 ...

Страница 50: ...4 OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE 4 1 To set clock 8 ...

Страница 51: ... TOD has now been resistered into the digital programmer circuit and will count up by minutes 4 2 Time cooking for two stage OPERATION SCROLL DISPLAY 1 Place a water load in the oven 2 Press Power Level pad once to set High power 1st stage 3 Set for 5 seconds by pressing Number pads 5 sec 5 4 Press Power Level pad 6 times to set Medium power 2nd stage 5 Set for 1 minute by pressing Number pads 1 M...

Страница 52: ...eeps 5 times and shuts off Time of day or colon if set appears in the display 4 3 Inverter turbo defrost OPERATION SCROLL DISPLAY 1 Press Inverter Turbo Defrost Pad INVERTER TURBO DEFROST SET WEIGHT 2 Set the weight for 1 lb by pressing Number pads 1 Ib 1 0 3 Press Start pad 4 Press Stop Reset Pad twice Oven shuts off Time of day or colon if set appears in the display 4 4 Inverter auto cooking 10 ...

Страница 53: ...ing time has elapsed Oven beeps 5 times and shuts off Time of day or colon if set appears in the display 4 5 Popcorn OPERATION SCROLL DISPLAY 1 Press Popcorn pad once for 3 5 oz serving Select 3 5 3 0 2 85 2 65 1 75 oz 2 Press Start pad When cooking time has elapsed Oven beeps 5 times and shuts off Time of day or colon if set appears in the display 4 6 Auto reheat 11 ...

Страница 54: ...s elapsed Oven beeps 5 times and shuts off Time of day or colon if set appears in the display 4 7 Power level Press Power Level Power Level Display Window once P10 HIGH P10 twice P9 P9 3 times P8 P8 4 times P7 MED HIGH P7 5 times P6 MEDIUM P6 6 times P5 P5 7 times P4 P4 8 times P3 MEDIUM LOW P3 9 times P2 P2 10 times P1 LOW P1 5 SCHEMATIC DIAGRAM APH 12 ...

Страница 55: ...6 SCHEMATIC DIAGRAM CPH 13 ...

Страница 56: ...er cooking control High Voltage 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 14 ...

Страница 57: ...V 60Hz 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 transformer 4 Then the half wave doubler voltage recti...

Страница 58: ...cuit Inverter Turbo Defrost WEIGHT SELECTED COOKING TIME 1 0LB 5 min 28 sec 8 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING Unlike many other appliances the microwave oven is high voltage high current equipment Though it is free from danger in ordinary use extreme care should be taken during repair CAUTION Servicemen should remove their watches whenever working close to or replacing the magnetron 8...

Страница 59: ...cing and replacing WARNING OF INVERTER POWER SUPPLY U GROUNDING Check the High Voltage Inverter Power Supply circuit grounding This High Voltage Inverter Power Supply circuit board must have a proper chassis ground by the grounding bracket to the chassis ground otherwise this H V Inverter circuit board will expose very high voltage and cause extreme DANGER Be sure to have proper grounding by the g...

Страница 60: ...G When the 18 Amp fuse if blown due to the operation of short switch you must replace Primary latch switch and short switch Also replace power relay B RY1 when the continuity check reads shorted contacts 1 2 1 This is mandatory Refer to Measurements and Adjustments for these switches 2 When replacing the fuse confirm that it has the appropriate rating for these models 3 When replacing faulty switc...

Страница 61: ...rews 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 for measuring microwave energy leakage CAUTION MICROWAVE RADIATION DO NOT BECOME EXPOSED TO RADIATION FROM THE MICROWAVE GENERATOR OR OTHER PARTS CONDUCTING MICROWAVE ENERGY 19 ...

Страница 62: ...e the high voltage capacitor 2 Disconnect 2 connectors from fan motor B 3 Remove 4 screws holing fan motor B U assembly 4 Remove 3 screws which holding exhaust guide U onto oven 5 Tilt exhaust guide U 6 Remove 1 screw holding air guide A and then remove air guide A 7 Remove 2 high voltage lead wires from magnetron filament terminal 8 Remove 4 screws holding magnetron NOTE After replacing the magne...

Страница 63: ...e key board completely from escutcheon base NOTE 1 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 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 ca...

Страница 64: ...TIONS WHILE REPLACING INVERTER POWER SUPPLY U 1 Make sure to leave the grounding plate in its place 2 Make sure to securely tighten grounding screw from the bottom of chasis 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 1 screw holding orif...

Страница 65: ... make Inverter bracket flat and then remove orifice 9 Release 2 tabs on the Inverter bracket and make flat 10 Unplug 3 connector on H V Inverter U 11 Remove 3 screws holding H V Inverter U onto Inverter bracket 12 Remove 1 screw holding grounding Plate on the H V Inverter U 23 ...

Страница 66: ...y spring 5 Open Door E at the opening angle of approximately 10 Note The door cannot be removed if the opening angle is greater than 10 6 Remove the door E from its hinges by pushing the door E s bottom upward and out 7 Replace other components NOTE Door alignment is critical If door is misaligned apply pressure until alignment is achieved NOTE After replacement of the defective component parts of...

Страница 67: ...g stirrer motor 7 Release from retainer tab by turn spinning certain angle remove stirrer motor 9 7 Blower motor U 1 Disconnect 1 connector from blower motor U 2 Remove 2 screws which holding blower motor U on the oven 3 Remove blower motor U 9 8 Fan motor A for H V inverter U cooling Disassembly procedure step 1 8 same as above H V Inverter U 9 Pull out fan blade 10 Remove 2 screws which holding ...

Страница 68: ... lead wires from fan motor B terminals 2 Remove 4 screws holing fan motor B U Assembly 3 Remove 4 screws which holding fan case installation plate on the fan case C 4 From interior of fan case C remove 2 screws holding fan motor B 9 10 Turntable motor 26 ...

Страница 69: ...nts or wiring always unplug the oven from its power source and discharge the high voltage capacitors 10 1 Primary latch switch secondary 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 switche...

Страница 70: ...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 10 4 Membrane key board Membrane switch assembly Check continuity between switch terminals by tapping an appropriate pad on the key board The contacts assignment of the respective pads on ...

Страница 71: ... 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 please 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 CN...

Страница 72: ...h and the short switch to the door hook assembly as shown in table NOTE No specific adjustment during installation of Primary latch switch Secondary latch switch and short switch to the door hook is necessary 2 When mounting the door hook assembly to the oven assembly adjust the door hook assembly by moving it in the direction of arrow in the illustration so that the oven door will not have any pl...

Страница 73: ...t watch or stopwatch NOTE Check the line voltage under load Low voltage will 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 beaker s temperature recorded as T1 2 Place the beaker on the center of glass cook plate Set the oven for High power ...

Страница 74: ...rnment standard is 5 mW cm2 while in the customer s home 2mW cm2 stated here is our own voluntary standard 1mW cm2 for Canada 12 1 Equipment Electromagnatic radiation monitor Glass thermometer 212 F or 100 C 600cc glass beaker 12 2 Procedure for measuring radiation leakage Note before measuring Do not exceed meter full scale deflection Leakage monitor should initially be set to the highest scale T...

Страница 75: ... around the magnetron WARNING Avoid contacting any high voltage parts 12 2 2 Measurements with a fully assembled oven After all components including outer panel are fully assembled measure for radiation leakage around the door periphery the door viewing window the exhaust opening and air inlet openings 12 3 Record keeping and notification after measurement After any adjustment or repair to a micro...

Страница 76: ...13 TROUBLESHOOTING GUIDE 34 ...

Страница 77: ...operating procedures in order to find the exact cause of any trouble SYMPTOM CAUSE CORRECTIONS 1 Oven is dead 1 2 3 4 Open or loose lead wire harness Open thermal cutout Magnetron Open low voltage transformer Defective DPC Check fan motor when thermal cutout is defective Fuse is OK No display and no operation at all 2 No display and no operation at all Fuse is blown 1 2 Shorted lead wire harness D...

Страница 78: ...latch switch Adjust door and latch switches 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 turntable rotates when door is opened 1 Shorted primary latch switch 9 Ov...

Страница 79: ...e 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 resistanc If any abnormal condition is detected replace the defective parts No key input 1 Membrane switch continuity Abnormal Membrane switch Normal IC 1 No beep sound 1 IC 1 pin 8 voltage Abnormal IC 1 Normal BUZZER Q...

Страница 80: ...is oven is programmed with a self diagnostics failure code system which will help for troubleshooting H97 H98 and H99 are the provided failure 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 Power Level Program unit for operation H97 H98 H99 appears in display window a...

Страница 81: ...13 3 How to check the semiconductors using an OHM meter 14 EXPLODED VIEW AND PARTS LIST 39 ...

Страница 82: ...use part number s shown 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 40 ...

Страница 83: ...1 E3136 8000BP HOOK LEVER A 1 12 E31374830AP HOOK LEVER B 1 13 E31384830AP HOOK LEVER C 1 14 F40015H00AP FAN MOTOR A 1 FOR INVERTER U COOLING 15 F40085H00AP FAN BLADE 1 FOR INVERTER U COOLING 16 F40255H00AP ORIFICE 1 17 F401W5H00AP BLOWER MOTOR U 1 18 F42485H00AP FAN CASE C 1 19 F41585H00AP FAN CASE INSTALLATION PLATE 1 20 F42505H00AP SIROCCO FAN C 1 21 F42675H00AP FAN MOTOR B 1 FOR MAGNETRON COOL...

Страница 84: ...ECONDARY LATCH SWITCH L 3C2 2 50 A61785180AP MICROSWITCH 1 SHORT SWITCH L 2C2 2 51 F61455H00AP THERMAL CUTOUT 1 52 F61455E60XN THERMAL CUTOUT 3 53 A606Y4T00AP H V INVERTER U 1 APH 53 A606Y4T00CP H V INVERTER U 1 CPH 54 2M261 M32F MAGNETRON 1 APH 54 2M261 M32G MAGNETRON 1 CPH 55 B62308250AP FUSE 1 18A 125V 56 B62314000AP FUSE HOLDER 1 APH 57 J692Y4T00CP NOISE FILTER U 1 CPH 58 F82605H00AP NOISE FIL...

Страница 85: ...Set Remarks D1 F3018 1200 DOOR KEY A 1 D2 F302A5H00AP DOOR A U 1 S262SF D2 F302A5H00BAP DOOR A U 1 S262BF S252BF D2 F302A5H00HAP DOOR A U 1 S262WF S252WF D3 F302K5H00AP DOOR E U 1 D4 F30214000AP DOOR KEY SPRING 1 D5 F30855H00AP DOOR C 1 D6 F31455H00AP DOOR SCREEN A 1 D7 F02459660AP DHHS LABEL 1 APH D7 F04114180CP DHHS LABEL 1 CPH 17 WIRING MATERIALS 43 ...

Страница 86: ...ion Pcs Set Remarks W1 F030A5H00AP LEAD WIRE HARNESS 1 APH W1 F030A5H00CP LEAD WIRE HARNESS 1 CPH W2 F030E5H00AP H V LEAD WIRE 1 APH W2 F030E5H00CP H V LEAD WIRE 1 CPH W3 F03535H00AP LEAD WIRE HARNESS U 1 18 ESCUTCHEON BASE ASSEMBLY 44 ...

Страница 87: ... 1 S252WF CPH E3 F80345H10BAP ESCUTCHEON BASE 1 S262BF S252BF E3 F80345H10HAP ESCUTCHEON BASE 1 S262WF S252WF E4 F80725H10BAP DOOR OPENING BUTTON 1 S262BF S252BF E4 F80725H10HAP DOOR OPENING BUTTON 1 S262WF S252WF E5 F80375950AP OPENING BUTTON SPRING 1 E6 F82565H00AP DOOR OPENING LEVEL 1 E7 F81275H00AP BACK PLATE 1 E8 F00075H00AP NAME PLATE 1 S262SF APH E8 F00075H10BAP NAME PLATE 1 S262BF APH E8 F...

Страница 88: ...10HCP PACKING CASE PAPER 1 S262WF CPH P2 F01025H20BCP PACKING CASE PAPER 1 S252BF CPH P2 F01025H20HCP PACKING CASE PAPER 1 S252WF CPH P3 F01045H00AP UPPER FILLER 1 P4 F01055H00AP LOWER FILLER 1 P5 F01065H00AP P E BAG 1 P6 F01075H00AP DOOR SHEET 1 P7 A06015H00AP COOKING TRAY 1 P8 F01175H00AP TRAY PACKING B 1 S262SF BF WF P9 F01485H00AP REINFORCE BRACKET 2 P10 F01085H00AP TRAY PACKING 1 P11 F01925H0...

Страница 89: ...20 DIGITAL PROGRAMMER CIRCUIT SCHEMATIC DIAGRAM 47 ...

Страница 90: ...21 DIGITAL PROGRAMMER CIRCUIT PARTS LIST 48 ...

Страница 91: ... 77 DIODE 5 D585 AEDNRB721Q DIODE 1 D312 AEDNRB721Q DIODE 1 S262SF BF WF D25 AERZ271KD10A VARISTOR 1 D26 D27 AERZ102KD10A VARISTOR 2 CPH D28 AERZ241KD07A ZENER DIODE 1 D180 D181 D182 D183 D184 D185 D186 D187 D188 D189 AESQSML210MT CHIP LED 10 IC1 MN101C54CDW L S I 1 IC220 AEICU2004GR IC 1 IC480 AEICUPC358G2 IC 1 S262SF BF WF IC25 AEICR29MF1 IC 1 IC10 AEIC78L05J T IC 1 IC221 AEICBU2090F IC 1 S262SF...

Страница 92: ...85 AERJ06J471R CHIP RESISTOR 1 470 1 16W 5 S262SF BF WF R360 AERJ06J472R CHIP RESISTOR 1 4 7K 1 16W 5 R593 AERJ06J472R CHIP RESISTOR 1 4 7K 1 16W 5 S262SF BF WF R592 AERJ06J473R CHIP RESISTOR 1 47K 1 16W 5 R574 AERJ06J624R CHIP RESISTOR 1 620K 1 16W 5 S262SF BF WF R571 AERJ06J753R CHIP RESISTOR 1 75K 1 16W 5 S262SF BF WF R14 R180 AERDY2TJ103T CARBON FILM RESISTOR 2 10K 1 4W 5 R228 R290 AERDY2TJ104...

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