NN-SD297S NN-SD277S NN-SD277B NN-SD277W NN
Contents
1. RY GZN_ 18V 2 1 NO RYS 6558 18 10500 KIA7815API CU P I U 1 ESEJ ECN20_3 ECN20 3 9501 502 330 330 10K 01 18K 01 36K C1 FRY 150K C1 300K_01 B20K_C1 1 201 gt gt gt gt gt 92102192 ur A503 504 330 330 8 Mig SUTELAND SUTELAND L umidity sensor Em normally open U ECN20 5 HumSensor Analog 18 003 vos P50 LED0 SB00B TXDOB 5 710 Pia PSL LEDA SBTOB AXDOB PS2 LED2 S6TOB ANT PAT PB6 SEG2B Pe5 SE629 IAR2 P22 TRAS P23 1P04 P24 SDA SB02 P30 SBI2 P31 SCL sBT2 P32 P33 P34 Louver detect 5 ie i Thermistor R220 100K 103 1 DOOR Close High v Fan SUPER 1551331 77 0221 1551337 77 100K_C 0 2 Buzzer 9 10220 ULN2003A0R NOC w GB BV v FaniLow RYG GON 18 Fan HIGH w RY7 084 18 V Fan TURBO e le 2 691 18V Oven Lamp ew RY3 GS2. S255WFX CPH S245WFX NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 6 5 P12 P13 P11 P11 PACKING AND ACCESSORIES Cut into four parts when packing Ref No Part No Part Name amp Description Pcs Set Remarks P1 F00038Q00AP INSTRUCTION MANUAL 1 SD297S APH P1 F00038Q00CP INSTRUCTION MANUAL 1 SD297S CPH P1 F00038Q10AP INSTRUCTION MANUAL 1 SD2778 B W APH P1 F00038Q10CP INSTRUCTION MANUAL 1 SD2778 B W CPH P1 F00038Q50CP INSTRUCTION MANUAL 1 P295SFX CPH P1 F00038Q60CP INSTRUCTION MANUAL 1 S255WFX CPH P1 F00038Q90CP INSTRUCTION MANUAL 1 SA247S CPH S245WFX CPH P2 F01028Q00SAP PACKING CASE PAPER 1 592975 P2 F01028Q00SCP PACKING CASE PAPER 1 SD297S CPH P2 F01028010SAP PACKING CASE PAPER 1 SD277S APH P2 F01028010SCP PACKING CASE PAPER 1 SD277S CPH P2 F01028010BAP PACKING CASE PAPER 1 SD277B APH P2 F01028010BCP PACKING CASE PAPER 1 SD277B CPH P2 F01028010HAP PACKING CASE PAPER 1 SD277W APH P2 F01028010HCP PACKING CASE PAPER 1 SD277W CPH P2 F01028Q50HCP PACKING CASE PAPER 1 P295WFX CPH P2 F01028Q60HCP PACKING CASE PAPER 1 S255WFX CPH P2 F01028Q90SCP PACKING CASE PAPER 1 SA247S CPH P2 F01028Q90HCP PACKING CASE PAPER 1 S245WFX F01045H00AP UPPER FILLER 1 SD297S APH CPH P295WFX CPH SA247S CPH S245WFX
3. Thermal RAQ R440 Rat 33001 21554 470 normally open AW Louver detect SW PAM 470 01 40 440 EO 103 C1 Creator Close High 0008 P44 TM410 El v FaniLon 815 RYB V Fan HIGH RY Fan TURBO Oven Lamp Fan 22 NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 288 Inverter Turbo Defrost 5 449 5 9442 PG0 SE615 PB1 SE614 P82 SEG613 P83 SEG12 PB4 SEG1 PB5 SEG10 P86 SEG9 P87 SEca D P70 SE67 06TO P71 SE66 06T1 P72 SE68 06T2 P73 SEGA DGT3 D6T4 9E63 P74 D6T5 SEG2 P75 DGT6 SEG41 P76 DST7 SEGO P77 v Inside Pull down CX320 Ceramic Resonator C320 C321 NC I JDTA14EKA SSPSS3UuS RBA 987 opas Kci THO CH 210 Reb gray iC Ci REBO PE 2 EVEGAIF22048 T ci To FSOSLBGOOAP 2 F603LBQOOCP F603Y6Z00CP 23 LOCATION
4. F00078Q00SAP NAME PLATE 502975 F00078Q00SCP NAME PLATE 502975 XTWFNE4 12P SCREW 16 502975 NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 6 4 2 NN P295WFX Part No Part Name amp Description Pcs Set F603L8Q50CP D P CIRCUIT AU 1 P295WFX P295WFX P295WFX P295WFX P295WFX P295WFX P295WFX F603Y6Z00CP D P CIRCUIT DU F800L6Z00HCP ESCUTCHEON BASE U F66166Z00AP FLAT CABLE F82986Z00HAP BUTTON F891P6Z00HAP DOOR OPENING BUTTON F82566F00AP DOOR OPENING LEVER F80375950AP COOK BUTTON SPRING F81276F00APG BACK PANEL F00078Q50HCP NAME PLATE XTWFNE4 12PW SCREW P295WFX P295WFX P295WFX 17 NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 6 4 3 NN SD277S B W NN SD277S B W CPH E55 L E51 Part No Remarks F603L8Q10AP F603L8Q10CP Part Name amp Description Pcs Set D P CIRCUIT AU T D P CIRCUIT AU F800L8Q10SAP ESCUTCHEON BASE U F800L8Q10SCP ESCUTCHEON BASE U F891P6Z20SAP DOOR OPENING BUTTON U F80726Z30BAP DOOR OPENING BUTTON F80726Z30HAP DOOR OPENING BUTTON F82566F00AP DOOR OPENING LEVER
5. Tov 0509 M 700A 16500 E KIA7B15API CU P 9506 3 XK Ci zr 00 50 3125 AF R354 1 1 P14 RST P27 IRG2 P22 TAG3 P23 1 64 24 SDA SBO2 P30 SBIe P3i SCL SBT2 P32 Pad Shibaura humidity sensor P34 Pa1 LED1 GB108 RXD0B Pgi2 LED2 5BTOB HumSensor Analog White THY 840 1440 33K 01 33K 01 P12 TM210 S enl Louver detect SW i Thermistor GND2 GND 400K 1040 6440 T0401 103 01 Close gt High DOGA AN3 PA3 IAGO P20 5 0220 Rodi Se 100K C1 0221 155133 7 601A 310 PD7 SEG35 GEN 48V v FaniLon 5 a Aye 58 18 Y Fen HIGH R223 100 1 RY GoN 18V V Fan TURBO 4 RY2 G5N_18V Oven Lamp 77 tov R3 I ava tav w Fan TTM amp C G RYB GSN_18V Louver 60 M8 MS SUTELAND SUTELAND a a C220 103 C4 9228 082111 PLL THLTO
6. NOTE The U S Government standard is 5 mW cm while in the customer s home 2mW cm stated here is our own voluntary standard 1mW cm for Canada 31 Equipment e Electromagnatic radiation monitor e Glass thermometer 212 F or 100 C e 600cc glass beaker 3 2 Procedure for measuring radiation leakage Note before measuring e Do not exceed meter full scale deflection Leakage monitor should initially be set to the highest scale e To prevent false readings the test probe should be held by the grip portion of the handle only and moved along the shaded area in Figure no faster than 1 inch sec 2 5cm sec e Leakage with the outer panel removed less than 5mW cm e Leakage for a fully assembled oven with door normally closed less than 2mW cm 2 1mW cm 2 for Canada e Leakage for a fully assembled oven Before the latch switch primary is interrupted while pulling the door less than 2mWicm 2 1 Pour 275 15cc 9ozs 1 20z 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 it following the manufacturer s recommended test procedure to assure correct results 3 When measuring the leakage always use the 2 inch 5cm spacer supplied 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
7. mel 1222 UNRZ111 10226 10082111 R228 2 2 1 ANA PA4 PO5 SEGA7 POL SEG41 PD2 SEG40 P03 8E639 PD4 SEG38 P00 SEG42 06 5 6 PB4 SEG30 ANS PA5 24 NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX Ps 100 3 100 TxD0A S8004 P00 RXDOA SBIDA PO1 SBTOA PO2 TXD1 SB01 P03 RXS1 5811 P04 SBT1 P05 BUZZER POB ANO PAO rm Sko 5 START RESET 041 1551331 77 iu CX320 Ceramic Resonator C320 C321 NC 10111 DY 06T15 P65 06T14 P64 DGT13 Po3 UGT12 P62 06T11 P61 06T10 P60 P97 SEG16 0152410 7 MT 2706NK PBO SEGIB pasen SEG15 MM 1 g Peo 5 PB3 8EG2 m PRA SEGI SEGA P85 3E610 x P86 SE69 20 P87 SEGB P70 SEG7 0GTO P71 8E66 0GT1 P72 3E65 D6T2 P73 8E64 D6T3 D6T4 5E63 P74 i DGTS SEG2 P75 OBT SEG1 P78 t 2 ka Ie UPR Io pna IQ JERA lol ers SEG7 ET 3 15 O 2B 5 PBO SEG34 PB1 SEG33 PB2 SEG32 283 5 1 ANG PAG AN7 PA7 x0
8. n n DIGITAL PROGRAMMER CIRCUIT HERMAL CUTOUT SECONDARY LATCH SWITCH CN2 CN7 OOG poooeeooeo DOGODO DOG TTT 1 11111 STEAM SENSOR CAM SWITCH ONLY FOR NN SD297S P295WFX WIRING DIAGRAM CPH B NOTE When replacing check the lead wire color as shown O Colors shown by indicate colors of lead wire V 16G 3C26 BR connector housing w PRIMARY w LATCH SWITCH e CAUTION SYMBOL OR SECONDARY LATCH SWITCH LATCH SWITCH BOTTOM OUTSIDE BOTTOM INSIDE NATURAL B EO HIGH VOLTAGE INVERTER NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 1 3 CPH NN SA247S S255WFX S245WFX AUTION NOTE Door is closed Unit is not operating HIGH VOLTAGE AREA Ground Chassis NOISE FILTER 1 GuF VENTILATION TOPOVEN FAN FAN MOTOR OVEN MAG FIRE INVERTER INV P C B L To Ts RYZ RY6 RY5 RY2 DIGITAL PROGRAMMER CIRCUIT SECONDARY LATCH SWITCH CN7 KEYBOARD THERMISTOR WIRING DIAGRAM CPH NOTE When replacing check the lead
9. ECOV1H474JL2 CAPACITOR 0 47uF 50V AECETK1V102B AL CHEM CAPACITOR 1000pF 35V AECETS1C220B AL CHEM CAPACITOR 22uF 16V EFOEC8004A4 CERAMIC RESONATOR 8 O0MHz A2BB00000150 VACUUM FLUORESCENCE DISPLAY DISP HOLDER F66176Z00AP LCD HOLDER D41 D220 D223 MA2C19600E DIODE D10 D13 D110 D111 0 000025 DIODE D224 MA2C700A0F DIODE D500 D502 MA2C700A0F DIODE SD277 APH CPH MN101C88ADE L S I SD277 APH CPH MN101C88ADF L S I S255WFX CPH COCAADG00060 Ic B3PAC0000060 Ic B1HBGFF00007 Ic C0EBH0000264 Ic COABBA000230 Ic SD277 APH CPH COCAALG00023 Ic SD277 APH CPH D4EAY271A036 ZENER RESISTOR 270V D4EAY112A036 ZENER RESISTOR 11007 CPH K6B1AZA00005 POWER RELAY 18V K6B1AZA00011 POWER RELAY K6B1CZA00004 POWER RELAY SD277 APH CPH G4C4AAD00006 LOW VOLTAGE TRANSFORMER 120V EVEJ1HF2224B REVOLVING ENCODER SD277 APH CPH D3BB6103A006 VARISTOR S255WFX CPH BOBA3R500006 ZENER DIODE BOBA01100004 ZENER DIODE 7 5 4 BOBA01400009 Part No ZENER DIODE NN SA247S CPH S245WFX CPH Part Name amp Description Pcs Set SD277 APH CPH
10. 0152440 Sensor Sensor Popcorn Reheart power o 8 Inverter Tuto Keep quick More Defrost 8 Sensor Menu 0134 0135 0135 Time Weight 0131 0432 0133 Ston Timerfurntable et Clock Start Turbo Fan Fan High on off Low Off F6260B8Q00AP NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 7 2 NN P295WFX BOAR NO S5555Z00A 10 R120 CNIL ETP41 14 2 04 ECN17 255 zz 55 ECN20 15N555H EX 100 25 LH Y P40 TMOIO RMOUT ACZ TRGL P21 RY2 _G5N_18V Hooo e F3P No di KIA7805APT CU P Des 2708 N 010 ERA1502 002 vont BL M 6 7 amp sy i 164 cf XI 013 025 ERA1502 1100VEX de 10K gt 027 Toor VSS AGH2223 INVERTER P C PS2501 IK a ECN20 11W555H_EX P0 LEDO SBOOB TXDOB P15 TM710 AYS _ GGN_18V NO AYS _ GBN_18V NO G5N 18V NO
11. 3 11008000 CABINET BODY U 1 SD277S APH CPH SD277B APH CPH SA247S CPH 3 F110D8Q00HAP CABINET BODY U 1 SD277W APH CPH P295WFX CPH S255WFX CPH S245WFX CPH 4 10006200 BASE PLATE U T SD297S APH CPH P295WFX CPH 4 F100D6Z80AP BASE PLATE U 1 EXCEPT SD297S amp P295WFX 5 F201A6F10AP OVEN U 1 6 F20115H00AP COVER 7 F21314Y00XN PULLY SHAFT 1 8 F290D5Q00AP ROLLER RING U 1 10 A E393C6Z00AP DOOR HOOK U 1 10 A E393C6Z00CP DOOR HOOK U 1 14 F40016Z00AP FAN MOTOR A 1 FOR INVERTER U COOLING 15 F40085H00AP FAN BLADE 1 FOR INVERTER U COOLING 16 F40256Z80AP ORIFICE 1 17 F401W6Z00AP BLOWER MOTOR U 1 SD297S APH CPH SD277 APH CPH P295WFX CPH 17 F401W6Z60AP BLOWER MOTOR U 1 SA247S CPH S255WFX CPH S245WFX 18 F42486Z00AP FAN CASE C 1 20 F42505H00AP SIROCCO FAN C 1 21 F42676Z80AP FAN MOTOR B 1 FOR MAGNETRON COOLING 22 F601L6F00AP SENSOR BU 1 SD297S APH CPH SD277 APH CPH P295WFX 23 F40246Z00AP EXHAUST GUIDE A 1 24 F44775HOOAP EXHAUST GUIDE 1 25 F20025H00AP RACK SUPPORT 4 26 F65856Z00AP INVERTER BRACKET 1 27 F62386Z00AP WASHER JE 28 F62386F00AP WASHER 1 32 100 5 00 BACK PLATE BU 1 33 F400B6Z00AP FILTER U 2 34 F400K5HOOAPG EXHAUST ADAPTER 1 35 F63175HOOSAP LAMP HOLDER 1 SD297S APH 35 F63176F00SAP LAMP HOLDER 1 592975 35 F63175H10BAP LAMP HOLDER 1 SD277S APH CPH SD277B APH CPH SA247S CPH 35 F63175H10HAP LAMP HOLDER 1 SD277W APH CPH P295WFX CPH S255WFX CPH S24
12. F 4 Py DISP110 7 MT 870GN P97 SE616 PBO SEGIS PBL SEG14 PB2 SEG13 PB3 SEG12 PB4 SEG11 PE5 SEG10 Pe6 SEG9 P87 SEGB P70 SE67 06T0 P71 SEG6 D6T1 P72 SEG5 DET2 P73 SE64 08T3 DGTA SEG3 P74 06T5 SEG2 P75 DGT6 SEGL P76 0GT7 SEGO P77 PBO SEGJA PB1 5E633 PB2 SEG32 PB3 SEG31 ANG PAG Tjamm olojlololoojojololojlolololo olo ANA PA4 EVNDCAA03B14 Voltage Sense Block P90 SEG23 P91 SEG22 P92 SEG21 P93 9E620 P94 5E619 P95 SEG18 P96 SEG17 PC2 SEG24 PB7 SEG27 PCO SEG26 PC1 SEG25 P C B Au sensor vZ490 F603L6Z20AP USE F603L6Z20CP USE F603L6Z60AP F603L6Z60CP F603L8Q10AP F603L8Q10CP F603L8Q60CP kplalalololoo T Te la T Tray T 27 NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX T10 ETP35K ETP35K136A P1 54 0584 5 2475 S245WFX 588 10K_01 R K 24 CN1 ECN20 15N555H EX g LOL E RARO i yz go 100 01 RY2 G5N J0 18V 2 C RY3 GSN
13. NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX DANGER OF HIGH VOLTAGE AND HIGH TEMPERATURE HOT LIVE OF THE INVERTER POWER SUPPLY U INVERTER WARNING This Inverter board looks like a regular PCB However this PCB drives the magnetron tube with extremely high voltage and high current IT HAS 1 Very high voltage and high current circuits It functions the same as the high voltage transformer and high voltage capacitor in ordinary microwave ovens Aluminum heat sink that is energized with very high voltage and high heat energy Very high voltage which may remain in circuitry even when oven is off High voltage charge may remain in the capacitors on the board Do not touch circuitry because it has very hot high voltage circuitry Even when replacing board extreme care should be taken to avoid possible electric shock hazards High voltage charge may remain in circuits Do not touch aluminum heat sink because it is energized with very high voltage and is also very hot in high heat energy Do not try to adjust or tamper with preset control on the Inverter board because it is very dangerous to adjust without proper test eguipment Do not test oven while Inverter grounding plate or screws are loose It is very dangerous to operate H V Inverter Circuit U with loose mounting screws or if improperly grounded For USA only Do not try to repair Inverter PCB because it is very dangerous to repair Repl
14. Remarks LODDEA000014 BUZZER 1 2 0KHz AECETS1C100B AL CHEM CAPACITOR 10uF 16V AECETK1V471B AL CHEM CAPACITOR 470uF 35V EFOEC8004A4 CERAMIC RESONATOR 8 0MHz L5AAAFD00025 VACUUM FLUORESCENCE DISPLAY DISP HOLDER F66175E40AP LCD HOLDER F67525E40XN DIFFUSION SHEET D40 D41 D220 D221 D584 MA2C19600E DIODE BOEAKT000025 DIODE MA2C700A0F DIODE MN101C54CHP L S I COCAADG00060 Ic B3PAC0000060 Ic B1HBGFF00007 IC B1BAAJ000003 TRANSISTOR D4EAY271A036 ZENER RESISTOR D4EAY112A036 ZENER RESISTOR K6B1AZA00005 POWER RELAY K6B1AZA00011 POWER RELAY G4C4AAD00006 LOW VOLTAGE TRANSFORMER D3BB6103A006 VARISTOR 31 05 07 5 800 5 801 5 805 5 806 5 809 Printed China
15. F302A8Q90HCP DOOR U F302K5H00AP DOOR U F30215G10XN DOOR KEY SPRING F30855H00AP DOOR C u u u u u u SD297S APH CPH P295WFX CPH SD277S APH CPH SD277B APH CPH SD277W APH CPH S255WFX CPH SA247S CPH S245WFX CPH BP DP Py P gt gt gt gt gt RIRIS F31455H00AP DOOR SCREEN A F02459660AP DHHS LABEL F04114180CP HC LABEL 15 NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 6 4 6 4 1 ESCUTCHEON BASE ASSEMBLY NN SD297S APH CPH E11 O 0 11 Part Name amp Description Pcs Set F603L8Q00AP D P CIRCUIT AU 1 502975 F603L8Q00CP D P CIRCUIT AU 502975 F603Y6Z00AP D P CIRCUIT DU 502975 F603Y6Z00CP D P CIRCUIT DU 502975 F800L8Q00SAP ESCUTCHEON BASE U 502975 F66166Z00AP FLAT CABLE 502975 F82988Q00SAP BUTTON 502975 F891P6F00SAP DOOR OPENING BUTTON U SD297S APH CPH F82566F00AP DOOR OPENING LEVER 502975 F80375950AP COOK BUTTON SPRING F81278Q00APG BACK PANEL 502975 F83928POOKAP DIAL 502975 LED COVER A 502975
16. F80375950AP COOK BUTTON SPRING F630Y8Q10SAP MEMBRANE SWITCH U F630Y8Q10SCP MEMBRANE SWITCH U F630Y8Q10BAP MEMBRANE SWITCH U F630Y8Q10BCP MEMBRANE SWITCH U F630Y8Q10HAP MEMBRANE SWITCH U F630Y8Q10HCP MEMBRANE SWITCH U SD2778 B W D277S B W CPH SD277S APH 02775 CPH 02775 APH CPH SD277B APH CPH SD277W APH CPH D277S B W APH SD277S B W CPH 502775 APH 502775 CPH SD277B APH SD277B CPH SD277W APH SD277W CPH F81276Z20APG BACK PANEL SD2778 B W APH SD277S B W CPH F803G8Q10BAP POP UP DIAL U 502778 APH SD2778 B F803G8Q10HAP POP UP DIAL U SD277W APH SD277W CPH F80186Z20AP BACKSTOP D277S B W APH SD277S B W CPH F80346Z30BAP ESCUTCHEON BASE SD277B APH CPH 80346230 ESCUTCHEON BASE SD277W APH CPH F00078Q10SAP NAME PLATE 502775 APH F00078Q10SCP NAME PLATE 502775 CPH F00078Q10BAP NAME PLATE SD277B APH F00078Q10BCP NAME PLATE SD277B CPH F00078Q10HAP NAME PLATE SD277W APH F00078Q10HCP NAME PLATE SD277W CPH XTWFNE4 12P SCREW SD277S APH CPH SD277B APH CPH XTWFNE4 12PW SCREW 18 SD277W APH CPH NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX
17. VENT GRILLE U 502775 APH CPH 101 6230 VENT GRILLE U SD277B APH CPH F101V6Z30HAP VENT GRILLE U SD277W APH CPH S255WFX CPH F101V6F10BAP VENT GRILLE U SA247S CPH F101V6F10HAP VENT GRILLE U S245WFX CPH F48436Z00APG INHALE GUIDE A 01725 00 CAUTION LABEL F00565H00AP CAUTION LABEL F00725H00AP CAUTION LABEL F03346Z20AP MENU LABEL SD297S APH SD277S B W APH F03346Z20CP MENU LABEL 502975 CPH SD277S B W CPH F66396F00AP MOTOR INSTALLATION BRACKET SD297S APH CPH P295WFX CPH F63266F00AP DRIVE MOTOR SD297S APH CPH P295WFX CPH F11736F00AP SPRING SD297S APH CPH P295WFX CPH 11196 005 VENT GRILLE OSTENTATIOUS COVER 802975 11196200 VENT GRILLE OSTENTATIOUS COVER P295WFX CPH Fl1206F00APG VENT GRILLE INSTALLATION BRACKET SD297S APH CPH P295WFX 11176 005 VENT GRILLE 502975 APH CPH F11176Z00HAP VENT GRILLE P295WFX CPH F48236F00AP CAM SD297S APH CPH P295WFX F48246Z00AP SHAFT 802975 APH CPH P295WFX 111 6 00 BACKSTOP AU 802975 APH CPH P295WFX 111 6 00 BACKSTOP BU 802975 APH CPH P295WFX J61415G10XN MICRO SWITCH SD297S APH CPH P295WFX F101V6Z00SAP VENT GRILLE U 502975 APH CPH F101V6Z00H
18. 565 30020868 Thermal Switch normally open 10K C1 gi ANO PAO 10542 ST24CO1F ila R441 ANCA 24 1 Thermistor GNO1 GNO GND2 GND ono Door SW 68 T OV 0008 43 0220 1551331 77 R220 0221 3 4 155133 77 2 2 1 R226 100K C1 Close High G OTC123UKA Buzzer 8 P20 IRG0 0220 2502412 Reet 100K C4 221 10226 R222 2 K Ci 10220 V FaniL V Fan M v Fan H Qven Lamp Fan UPA2004GR C 1 2 3 4 5 6 7 MB SUTELAND m AAAA AAAG SUTELAND R228 100K 28 NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX ePullDown ECN12 10B 3800 00 CNG SBIO PO1 SBTO PO2 AE IH pa AF 32 d A6133 3 125 ds AHIA T 2126 ba mene mM MESME 00574 29 X OR NEJA MENE ai 940 2902412 041 1551337 77 CX3e0 Cera
19. CPH P3 F01046Z20AP UPPER FILLER 1 SD277S B W APH SD2778 B W CPH S255WFX P4 F01055H00AP LOWER FILLER 1 SD297S APH CPH P295WFX CPH SA247S CPH S245WFX CPH P4 F01056Z20AP LOWER FILLER 1 SD277S B W APH SD2778 B W CPH S255WFX CPH P5 F01066Z20AP P E BAG 1 P6 F01075H00AP DOOR SHEET 1 7 A06015H00AP COOKING TRAY 1 P8 F01175H00AP TRAY PACKING B ab EXCEPT SA247S CPH amp S245WFX CPH P9 F01485H00AP REINFORCE BRACKET 2 P10 F01085H00AP TRAY PACKING 1 P11 F01925H00AP SHEET 2 P12 F06025H00AP OVEN RACK 1 P13 F02185H00AP PROTECTOR PACKING 1 P14 F03138Q00AP INSTALLATION INSTRUCTION JE APH 20 NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX Part No Part Name amp Description Pcs Set Remarks F03138Q00CP INSTALLATION INSTRUCTION 1 F04318Q00AP UPPER CABINET TEMPLATE 1 F04318Q00CP UPPER CABINET TEMPLATE 1 011 6200 04845 10 FILTER PURCHASE NOTICE F04458Q00SCP OVERLAY F04458Q10SCP OVERLAY F04458Q10BCP OVERLAY F04458Q10HCP OVERLAY F04456Z00HCP OVERLAY F04456F20BCP OVERLAY F04456Z60HCP OVERLAY F04456F20HCP OVERLAY F011G6Z00AP ATTACHMENT B F400B6Z00AP FILTER U APH SD297S CPH SD277S CPH SD277B SD277W CPH P295WFX CPH SA247S CPH S255WFX CPH S245WFX CPH 6 6 WIRING MATERIALS MAGNETRON CAUTION HEAT SINK
20. D x 418mm H 759mm W x 391mm D x 418mm H 23 4 W x 14 A D x 9 591mm W x 367mm D x 242mm H Approx 55 lbs 25 0 Kg Approx 53 Ibs 24 0 Kg PbF This product with PbF Specifications subject to change without notice 2007 Panasonic Home Appliances Microwave m Oven Shanghai Co Ltd All rights reserved anasonic Unauthorized copying and distribution is a violation of law NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX ZA WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death WARNING 1 This product should be serviced only by trained gualified personnel 2 Though this product has been manufactured in compliance with Federal Performance Standard 21 CFR Subchapter J D H H S U S A models or Radiation Emitting Devices Act Health and Welfare Canada Canadian models it is very important all repairs should be made in accordance with procedures described in this manu
21. HOT LIVE VERY HIGH VOLTAGE AND TEMPERATURE Part No Part Name amp Description Pcs Set F030A6Z00AP LEAD WIRE HARNESS 1 SD297S APH F030A6Z00CP LEAD WIRE HARNESS F030A6Z20AP LEAD WIRE HARNESS F030A6Z20CP LEAD WIRE HARNESS F030A6Z60CP LEAD WIRE HARNESS FO30A6Y90CP LEAD WIRE HARNESS F030E5H00AP H V LEAD WIRE F030E5H00CP H V LEAD WIRE F03536F00AP LEAD WIRE HARNESS F03556Z00AP LEAD WIRE HARNESS F03556Z20AP LEAD WIRE HARNESS SD297S CPH P295WFX CPH SD277S B W APH SD277S B W CPH S255WFX CPH SA247S CPH S245WFX CPH APH CPH INCLUDING CABEL CONNECTOR CN4 SD297S APH CPH P295WFX CPH INCLUDING SOCKET EXCEPT SD297S APH CPH P295WFX CPH 21 NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 7 DIGITAL PROGRAMMER CIRCUIT 7 1 NN SD297S 4_44 8 032 2 SEDO pi 328 N 3 0251 ACZ IRGY P21 Boa y len r INVERTER P C B PS25041 4K g P 0 FE5556Z00AP eee ela humidity sensor 7 HunSensor lAnalog White 1 pa x Black
22. NN S245WFX 6 4 4 NN SA247S CPH S255WFX S245WFX CPH yf s 7 ate fo F v 4 f VH ie Part No Part Name amp Description Pcs Set Remarks F603L8Q60CP D P CIRCUIT AU 1 S255WFX CPH F603L8Q90CP D P CIRCUIT AU SA247S CPH S245WFX CPH F800L8Q90SCP ESCUTCHEON BASE u SA247S CPH F80025H00AP ESCUTCHEON B SA247S CPH S245WFX CPH F80725HOOSAP DOOR OPENING BUTTON SA247S CPH 80726230 DOOR OPENING BUTTON S255WFX CPH F80725H10HAP DOOR OPENING BUTTON S245WFX CPH F82566F00AP DOOR OPENING LEVER S255WFX CPH F82565H00AP DOOR OPENING LEVER SA247S CPH S245WFX CPH F80375950AP COOK BUTTON SPRING F630Y8Q90BCP MEMBRANE SWITCH u SA247S CPH F630Y6Z60HCP MEMBRANE SWITCH u S255WFX CPH F630Y8Q90HCP MEMBRANE SWITCH u S245WFX CPH F81276Z60APG BACK PLATE S255WFX CPH F81275H00APG BACK PLATE SA247S CPH S245WFX CPH F80346Z60HAP ESCUTCHEON BASE S255WFX CPH F80345H10HAP ESCUTCHEON BASE S245WFX CPH F00078Q90SCP NAME PLATE SA247S CPH F00078Q60HCP NAME PLATE S255WFX CPH F00078Q90HCP NAME PLATE S245WFX CPH XTWFNE4 12P SCREW SA247S CPH XTWFNE4 12PW SCREW 19
23. check the continuity of the NOTE monitor circuit and all latch switches again by following the Check the line voltage under load Low voltage will component test procedures 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 waters 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 recorded as T2 4 The normal temperature rise at High power level for each model is as shown in table TABLE 1L 1min test RATED OUTPUT TEMPERATURE RISE 1100W Min 16 9 F 9 4 C 1200W Min 18 5 F 10 3 C NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 3 PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE WARNING Check for radiation leakage after every servicing Should the leakage be more than 2 mW cm 1mW cm for Canada inform PSTC PSC or PCI immediately After repairing or replacing any radiation safety device keep written record for future reference as required by D H H S and Health and Welfare Canada regulation This requirement must be strictly observed In addition the leakage reading must be recorded on the service repair ticket while in the customer s home
24. 0 1 06T17 P67 6 8 40 OGT9 P44 PC2 SE624 P30 SEG23 P31 SEG22 P92 SEG21 Pga SEG20 P94 SE619 P95 SEG18 P96 8EG17 F GPOOGZOOAR P C B Au JPR2 UPRA JPR5 B Du 229 sensor FEO3LEZOOAP SHORTJOPEN OPEN OPEN OPEN 603 6200 USE F6O3LGZOOCP open OPEN open open OPEN FeosvezoocP USE USE FeosL8050CP OPEN OPEN 503 6700 USE USE E 285 3 29 PBG SEG28 PB7 SEG27 PCO SEG2G PC1 SEG25 al zi TAT 25 NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 7 3 CNA a ECN20_15NSSSH_EX 9 NN SD277 NN S255WFX PF2 AY2 _G5N_18V 5 9350 40 1 C110 100 25V LH 253 26 P10 TMOTO AMOUT 1610 IN OUT clock ACZ 1RG1 P21 cig 103 1 4 ES 104 01 T 59 lai 2 E 1025 AGH2223 en fees INVERTER P C B 282501 iK RYS GEN_18Y 9o
25. 5WFX CPH 36 F64375HOOAP GLASS PLATE 1 37 F41576Z00APG FAN INSTALLATION PLATE 2 38 F42176Z00APG COVER PLATE 1 39 F42205H00APG COVER PLATE B 1 40 F607V6Z00APG LAMP COVER U 1 41 F61846Z00AP GROUNDING PLATE 1 42 F60405H00AP LAMP MEMBRANE 1 43 F61446Z00AP STIRRER MOTOR 1 44 F20155H00AP STIRRER T 45 F20165H00AP ANTENNA SUPPORT 1 46 F60305H00AP INCANDESCENT LAMP 1 47 F60305H00AP INCANDESCENT LAMP 2 EXCEPT SD297S APH CPH amp P295WFX CPH 48 F61525H00AP SOCKET 1 49 F61525H00AP SOCKET 2 EXCEPT SD297S APH CPH amp P295WFX CPH 50 F67536Z00AP HALOGEN LAMP 2 SD297S APH CPH P295WFX CPH 51 F61456F20AP THERMAL CUTOUT 1 13 NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX Part No Part Name amp Description Pcs Set Remarks F61456N60AP THERMAL CUTOUT 3 F606Y8MOOAP H V INVERTER U 2M261 M32KLP MAGNETRON APH 2M261 M32JP MAGNETRON CPH F62308F00AP FUSE 20A 125V F400B6Z20AP CARBON FILTER U F692Y8F20AP NOISE FILTER 0 F82605H00AP NOISE FILTER BRACKET 66986230 MOTOR CAPACITOR 802975 APH CPH SD277 APH CPH P295WFX CPH F66986Z80AP MOTOR CAPACITOR SA247S CPH S255WFX CPH S245WFX CPH F63266Z80AP TURNTABLE MOTOR F900C6Z80AP AC CORD W PLUG APH F900C6Z80CP AC CORD W PLUG CPH F90804W00AP CANOE CLIP FOR COVER F101V6Z20SAP
26. 8 O0MHz A2BB00000150 VACUUM FLUORESCENCE DISPLAY DISP HOLDER F66176Z00AP LCD HOLDER 64578 00 DIFFUSION SHEET D40 D41 D220 D222 MA2C19600E DIODE D10 D13 D110 D111 BOEAKT000025 DIODE D224 D500 D502 MA2C700A0F DIODE D130 D133 AE3294UBCA7 LED MN101C88ADA L S I IC10 COCAADGO0060 IC IC25 B3PAC0000060 IC IC220 BLHBGFF00007 Ic 1C350 C0EBH0000264 Ic IC501 COABBA000230 IC IC550 COCAALGO0023 IC B1BAAJ000003 TRANSISTOR D4EAY271A036 ZENER RESISTOR 270V D4EAY112A036 ZENER RESISTOR 11007 CPH K6B1AZA00005 POWER RELAY 18V K6B1AZA00011 POWER RELAY K6B1CZA00004 POWER RELAY T10 G4C4AAD00006 LOW VOLTAGE TRANSFORMER RE80 RE81 EVEJ1HF2224B REVOLVING ENCODER SW40 SW47 SW49 SW56 EVQ11LO5R SWITCH 20110 BOBA3R500006 ZENER DIODE ZD130 ZD220 BOBA01100004 ZENER DIODE 20500 7 5 2 BOBA01400009 NN P295WFX CPH Part No ZENER DIODE Part Name amp Description Pcs Set Remarks LODDEA000014 BUZZER 1 2 0KHz 1 51011 AL CHEM CAPACITOR 100uF 25V ECOV1H474JL2 CAPACITOR 0 47uF 50V AE
27. AP VENT GRILLE U P295WFX CPH F90356Z00AP AC CORD FIXING PLATE A66135H00AP BRACKET A F04468Q00AP FUNCTION LABEL SD297S APH F04468Q00CP FUNCTION LABEL SD297S CPH F04466Z20AP FUNCTION LABEL SD277S B W APH F04466Z20CP FUNCTION LABEL SD277S B W CPH FO1956F10AP CAUTION LABEL SD297S APH 01956 10 CAUTION LABEL SD297S CPH P295WFX CPH F40316Z00APG AIR BAFFLE C 802975 APH CPH SD277 APH CPH P295WFX F00067C50AP CAUTION LABEL APH F00067C50CP CAUTION LABEL CPH F62315G10XN FUSE HOLDER XTC4 12BC SCREW EXCEPT SD277B APH CPH XTC4 12BB SCREW SD277B APH CPH TCTTH4 10BCB SCREW 802775 APH CPH SD277B APH CPH SA247S CPH TCTTH4 10BC SCREW SD277W APH CPH S255WFX CPH S245WFX CPH XTC4 10AFZ SCREW SD297S APH CPH XTC4410AFC SCREW P295WFX CPH XTTFA4 8BFZ SCREW 502975 APH CPH XTTFA4 8BCR SCREW 14 295 NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 6 3 DOOR ASSEMBLY Part No Part Name amp Description Pcs Set Remarks F3018 1200 DOOR KEY A 1 F302A8Q00SAP DOOR F302A8Q50HAP DOOR F302A8Q10SAP DOOR F302A8Q10BAP DOOR F302A8Q10HAP DOOR F302A8Q90SCP DOOR
28. CETK1V102B AL CHEM CAPACITOR 1000pF 35V AECETS1C220B AL CHEM CAPACITOR 22uF 16V EFOEC8004A4 CERAMIC RESONATOR 8 0MHz A2BB00000150 VACUUM FLUORESCENCE DISPLAY DISP HOLDER F66176Z00AP LCD HOLDER D41 D220 D223 MA2C19600E DIODE D10 D13 D110 D111 BOEAKT000025 DIODE D224 D500 D502 MA2C700A0F DIODE MN101C88ADF L S I IC10 COCAADGO0060 IC IC25 B3PAC0000060 IC IC220 B1HBGFF00007 IC IC350 C0EBH0000264 Ic 10501 COABBA000230 Ic COCAALGO0023 IC D4EAY271A036 ZENER RESISTOR 270V D4EAY112A036 ZENER RESISTOR 11007 CPH K6B1AZA00005 POWER RELAY 18V K6B1AZA00011 POWER RELAY K6B1CZA00004 POWER RELAY T10 G4C4AAD00006 LOW VOLTAGE TRANSFORMER SW1 SW4 SW6 SW8 SW11 SW35 EVQ11LO5R SWITCH w 20110 BOBA3R500006 ZENER DIODE 20220 BOBA01100004 ZENER DIODE 20500 BOBA01400009 ZENER DIODE 30 ejeje 7 5 3 Part No NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX NN SD277 APH CPH S255WFX CPH Part Name amp Description Pcs Set Remarks LODDEA000014 BUZZER 2 0KHz ECEA1EKS101I AL CHEM CAPACITOR 100uF 25V
29. GE PARTS SNU MOVE PROBE ALONG SHADED AREA ZZZZ7 AROUND EXHAUST OPENINGS AND AROUND AIR INLET OPENING NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 4 SIMPLE WAY OF H V INVERTER MAGNETRON TROUBLESHOOTING Purpose Simple way 3 37 seconds rule of identifying whether it s Magnetron Inverter or others Set up The unit under guestion is connected through the Ammeter as shown below 552 25255550506 555520 555559 7 55555555509 Procedure Follow the matrix table below to identify the problem source Note Do not replace both Inverter board and Magnetron simultaneously and automatically without going through this procedure Power will Ammeter reading is Shut off in 37 seconds 1 Between 0 5A and 1 0A Check and repair open aden circuit Open magnetron wiring RANA Inverter after Start and magnetron terminal 2 Between 1 0A and 2 0A Check continuity of D702 in Inverter PCB Check continuity of D702 in Inverter PCB of D702 in Inverter PCB 1 D702 shorted Replace H V Inverter F606Y8MOOAP 2 D702 is OK Replace magnetron Shut off in 3 seconds 1 Less than 0 5A Check open circuit Latch Switch DPC Replace defective component s or after Start Power Relay and CN701 correct switch cables and connectors 5 H V INVERTER BOARD MAIN PARTS LIST FGOGY8M00AP Part No P
30. N ON 1 1 DRIVER MOTOR y un INVERTER INV PC B IRYS RY7 RY6 RYS RY3 DIGITAL PROGRAMMER CIRCUIT SECONDARY LATCH SWITCH CN7 KEYBOARD THERMISTOR STEAM SENSOR CAM SWITCH ONLY FOR NN SD2978 WIRING DIAGRAM APH NOTE When replacing check the lead wire color as shown Colors shown by indicate colors lead wire V 16G 3C26 connector housing o PRIMARY LATCH SWITCH TOP CAUTION H V MAGNETRON SYMBOL SECONDARY LATCH SWITCH LATCH SWITCH BOTTOM OUTSIDE BOTTOM INSIDE BLACK W BL B BL 2 POWER RELAY EET HIGH VOLTAGE INVERTER NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 1 2 NN SD297S SD277S B W P295WFX NOTE Door is closed OTC Door is closed Unit is not operating HIGH VOLTAGE AREA Ground mr Chassis ONLY FOR NOISE 502978 P295WFX THERMAL 12uF VENTILATION TOPOVEN FAN FANMOTOR Tp MOTOR 1 CON1CON2CON3 TPAMAFNI LAMP LATCH 1 SWITCH OG i INV PC B av Sred SSR nm IRY8 RY7 RY6 5 RY2
31. N_18V Fan RY4 Ax RYB Louver Ma SUTELAND SUTELAND a a BEAAAAAAA 8231 33K C1 9228 DAC 2 ni nin gt 0223 155133 7 26 P13 TM3IO 07 5 635 Ip TMEIO DGT17 P67 DGT8 P40 0679 P41 PO5 SEG37 PO1 SEG41 PD2 SEG40 03 5 639 PD4 SEG3B PDO SEG42 PDG SEG36 PBA SEG30 ANS PAS NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX NE ECN12_108 P16 TX00A SBO0A P00 AE Sia AF Si Ena AH a AL ES RXDOA SBIOA PO1 SBTOA PO2 gx TXD1 SBO1 P03 ga RXS1 SBI1 PO4 SBT1 POS ARA S4 BA SA BUZZER PO6 AND PAQ 5 5 gt gt gt gt gt gt gt g lt ANL PAL R G Z GE 2 C BoardlA No on F62606Z20A CX320 Ceramic Resonator C320 C321 NC __ CAC 06716 P66 F 8 1238 OV TP39 40 z TP40 1P41 D6T15 PE5 DGT14 PBA DGT43 P63 D6T12 PG2 PE 09714254 PE D6T40 PE0
32. ORDER NO PHAMOS0705024A1 E2 Service Manual Microwave Oven NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX APH USA CPH CANADA Please file and use this manual together with the service manual for Model NN S262SF Order No SIMMC0203005C 1 Specifications for APH 02975 SD277S B W Power Source 120V AC Single Phase 60Hz 1490W 1480W 1200 Microwave Frequency 2450MHz Timer 30min Stage HIGH Power 5 Stage Maximum 90min 00sec Stage Other Power Levels 5 Stage Maximum Outside Dimensions 29 7 5 W x 15 x 16 As H 29 4 W x 15 D x 16 759mm W x 393mm D x 418mm H 759mm W x 391mm D x 418mm H Oven Cavity Dimensions 23 W x 14 74 D x 9 591mm W x 367mm D x 242mm H Approx 55 Ibs 25 0 Kg This product with PbF Specifications subject to change without notice Specifications for CPH Specifications SD297S P295WFX SA247S S245WFX 02775 S255WFX Power Source 120V AC Single Phase 60Hz Power Requirement 1490W 1490W 1490W 1490W 1490W 1490W Output 1100W 1100W 1100W 1100W 1100W 1100W 2480MHz Timer 30min Stage HIGH Power 5 Stage Maximum 90min 00sec or 99min 99sec Stage Other Power Levels 5 Stage Maximum Outside Dimensions 29 W x 15 x 16 7 4 H 297 W x 15 D x 16 7 H 29 7 W x 15 D x 16 759mm W x 393mm D x 418mm H 759mm W x 381mm
33. _JG_18 025 270 ces 104 250v EVNDCAA03B14 R344 10K C1 0585 MA700A 2 25V at 120W 60Hz 23 Ici MN101C54C R342 100K C1 44 040 ERA1502 4N4003E 2 330 0 5H C340 104 1 TS FV 001 4 1 IROH ACZ P27 VDD Pe 23 ERA1502 UPC78L05J Y C10 1N4003E b D13 4 026 1100VEX a B 470 35V 629 ERA1502 1000_35V 628 1N4003E 011 ERA1502 it C12 YDD 027 1100 LO 223_250v_UN 028 1N4003E 14 925 RY4 G5N_JQ_18V INVERTER P C B PS2501 iK C14 104 01 OO 104 01 TV DIC123JKA 0210 100 547 CN3 CN701 ECN20 38 Sd040H4 No 46pin R GSN JQ qi HUM SENSOR IC500 PHM R331 470 041 53 NATRST P45 atcLock 2 Serial Data 03 04 UPC7EM15AHF QUT 0581 25 1037 GND 620K01 1 2M Ci Serial Clock 52 HumSensor Analog 20 ECN20 3 10480
34. ace as a complete High Voltage Inverter Circuit unit and return fully re packed in original shipping box and shipping materials INVERTER POWER SUPPLY DANGER OF HIGH VOLTAGE H V INVERTER U HEAT SINK AND HIGH TEMPERATURE HOT LIVE OF HEAT SINK RA CHOKE COIL RECTIFIER BRIDGE HIGH VOLTAGE TRANSFORMER WINDINGS CN702 FILM CAPACITORS DO NOT w 4 ri SECONDARY Ys WINDINGS SAND BAR NB RESISTOR R HIGH gt DIODES CN703 INVERTER BRACKET SHORT FOR DISCHARGING HIGH HIGH VOLTAGE CHARGE HIGH VOLTAGE DO NOT TOUCH PLATE VOLTAGE CHARGE REMAINS IN CAPACITORS REMAINS IN HIGH VOLTAGE GROUNDING HIGH VOLTAGE CAPACITORS CAPACITORS NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX CONTENTS Page 1 SCHEMATIC DIAGRAM ee 5 1 1 APH NN SD297S SD277S B W 1 2 NN SD297S SD277S B W P295WFX 6 1 3 CPH NN SA247S S255WFX S245WFX 7 2 MEASUREMENTS AND ADJUSTMENTS 8 2 1 Adjustment of primary latch switch secondary latch switch and short switch 8 2 2 Measurement of microwave output 8 3 PROCEDURE FOR MEASURING MICROWAVE ENERGY 9 3 1 Equipm
35. al to avoid being exposed to excessive microwave radiation 3 Check for radiation leakage before and after every servicing according to the procedure for measuring radiation leakage 4 If the unit cannot be repaired on site advise the customer not to use until unit is repaired 5 serviceman who learns of any accident pertaining to microwave radiation leakage including the oven operating with open door should immediately notify the appropriate address listed below and Center for Devices and Radiological Health DHHS IN U S A Panasonic Services Company IN PUERTO RICO PSC PSTC 50 Meadowland Parkway PSC San Gabriel Industrial Park Secaucus New Jersey 07094 65th Infantry Ave Km 9 5 Attention Technical Service Division Carolina Puerto Rico 00985 201 348 7000 787 750 4300 IN CANADA Panasonic Canada Inc PCI 5770 Ambler Drive Mississauga Ontario L4W2T3 905 624 5010 6 There are special components used in the microwave oven which are important for safety These parts are marked with ZA on the replacement parts list It is essential that these critical parts should be replaced only with the manufacture s specified parts to prevent microwave leakage shock fire or other hazards Do not modify the orginal design PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY A Do not operate or allow the oven to be operated with the inspection within the microwave ge
36. art Name amp Description Pcs Set BOFBBS000001 BRIDGE DIODE 1 20A 600V F50206G00AP CHOKE COIL B1JAGV000015 TRANSISTOR SI 1000V A609A8M00AP H V TRANSFORMER INCLUDING D701 D702 C706 C707 ECWF5284N300 CAPACITOR 0 28pF 500V ECWF2455N644 CAPACITOR 4 5pF 250V 11 NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 6 EXPLODED VIEW AND PARTS LIST 6 1 EXPLODED VIEW eS EXPLODED VIEW 6 2 NOTE PARTS LIST NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 1 When ordering replacement part s please use part number s shown in this part list Do not use description of the part 2 Important safety notice Components identified by A mark have special characteristics important for safety When replacing any of these components use only manufacture s specified parts Ref No Part No Part Name amp Description Pcs Set Remarks 1 F00205H00AP CAUTION LABEL 1 1 F00067600CP CAUTION LABEL 1 CPH 2 F00336Z20AP FUSE LABEL 1 3 F110D6Z00SAP CABINET BODY U 1 592975 3 F110D6Z00SCP CABINET BODY U 1 592975
37. ent 3 2 Procedure for measuring radiation leakage 3 3 Record keeping and notification after measurement 9 3 4 At least once a year have the radiation monitor checked for calibration by its manufacturer 10 Page 4 SIMPLE WAY OF H V INVERTER MAGNETRON TROUBLESHOOTING 11 5 H V INVERTER BOARD MAIN PARTS LIST F606Y8M00AP 11 6 EXPLODED VIEW AND PARTS LIST 12 6 1 EXPLODED VIEW ea 12 6 2 PARTS LIST ee 13 6 3 DOOR ASSEMBLY 15 6 4 ESCUTCHEON ASSEMBLY 16 6 5 PACKING AND ACCESSORIES 20 6 6 WIRING MATERIALS ee 7 DIGITAL PROGRAMMER CIRCUIT 7 1 NN SD297S APH CPH 7 2 NN P295WF X 21 24 7 3 NN SD277 APH CPH NN S255WF X 26 7 4 NN SA247S CPH S245WFX CPH 28 7 5 PARTS LIST nennen 30 NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 1 SCHEMATIC DIAGRAM 1 1 APH NN SD297S SD277S B W AUTION NOTE Door is closed Unit is not operating HIGH VOLTAGE AREA Ground nr Chassis THERMAL ONLY FOR NOISE FILTER CUTOUT 502975 OVEN MAG FRE 12uF VENTILATION FAN MOTOR TOP OVEN Aor R LAMP ITUR
38. is LATCH Switches be sure mounting tabs are not bent broken or Bee SWITCH otherwise deficient in their ability to hold the switches DOOR go Refer to schematic diagram to ensure proper connection DOOR HOOK ASSY SHORT SWITCH 21 Adjustment of primary latch switch secondary latch switch and short switch SWITCH 1 Mount the Primary latch switch the Secondary latch switch SCREW and the short switch to the door hook assembly as shown in ILL NOTE 01 033 No specific individual adjustments during installation of the Primary latch switch Secondary 2 2 Measurement of microwave latch switch or Short switch to the door hook are T required output 2 When mounting the door hook assembly to the oven output power of the magnetron can be determined by assembly adjust the door hook assembly by moving it in performing IEC standard test procedures However due to the the direction of the arrows in the illustration so that the oven complexity of IEC test procedures it is recommended to test door will not have any play in it Check for play in the door the magnetron using the simple method outlined below 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 oven assembly Necessary Equipment 1 liter beaker Glass thermometer Wrist watch or stopwatch 3 Reconnect the short switch and
39. mic Resonator C300 6321 0 33 girs DISP110 LCD AEDD SHOOAP s TPS s 9 SEG25 ss 95 SEG24 24 SEG23 sez 83 SEG22 s 22 SEG21 sa let 5 620 sog 20 SEG19 SEGB 1P13 sia 18 7 i 18 518 58 SEG9 1844 sp 0 SEG16 4g 56615 SEGILA a 15 SEGI4 515 su SEG13 SEG13 5 TPIB SEG14 TPA C Board A No ga _ 36619 24 Bang Son F62605H00A Mi SE D182 0187 SML210NT A SHL21ONT 0188 SMIT SHL210MT SEG23 5 TP2B 5624 TPO9 0184 0189 SML210MT SML210MT R182 R183 220 01 220 C1 180 2901859 t 0O 0181 P481 2502412 22 01 6182 din IGJPRL Io JPR2 lol lol R341 10K C1 P C B Au C10 F603L6Z80AP 1000uF F603L6Z90AP 470uF F603LGY9OCP 470 F603L8Q90CP 470uF 29 NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 7 5 PARTS LIST NN SD297S APH CPH 7 5 1 Part No Part Name amp Description Pcs Set LODDEA000014 BUZZER 1 2 0KHz 1 51011 AL CHEM CAPACITOR 100uF 25V ECOV1H474JL2 CAPACITOR 0 47uF 50V AECETK1V102B AL CHEM CAPACITOR 1000pF 35V AECETS1C220B AL CHEM CAPACITOR 22uF 16V EFOEC8004A4 CERAMIC RESONATOR
40. nerating compartments door open check the magnetron waveguide or transmission line and B Make the following safety checks on all ovens to be serviced cavity for proper alignment integrity and connections before activating the magnetron or other microwave source D Any defective or misadjusted components in the interlock and make repairs as necessary monitor door seal and microwave generation and trans 1 Interlock operation mission systems shall be repaired replaced or adjusted 2 Proper door closing by procedures described in this manual before the oven is 3 Seal and sealing surfaces arcing wear and other released to the owner damage E A microwave leakage check to verify compliance with the 4 Damage to or loosening of hinges and latches Federal Performance Standard should be performed on 5 Evidence of dropping or abuse each oven prior to release to the owner C Before turning on microwave power for any service test or CAUTION About lead free solder PbF Distinction of PbF PCB PCBs manufactured using lead free solder will have a stamp on the PCB Caution Pb free solder has a higher melting point than standard solder Typically the melting point is 30 40 C higher Please use a high temperature soldering iron In case of the soldering iron with temperature control please set it to 370 10 C Pb free solder will tend to splash when heated too high about 600 C NN SD297S NN SD277S
41. surface being measured 3 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 should be taken in measuring 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 control panel and air inlet openings 3 3 Record keeping and notification after measurement e 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 microwave leakage reading should be kept by repair facility e Should the radiation leakage be more than 2 mW cm 1mW cm for Canada after determining that all parts are in good condition functioning properly and genuine replacement parts as listed in this manual have been used immediately notify PSTC PSC or PCI NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 3 4 Atleast once a year have the radiation monitor checked for calibration by its manufacturer WARNING AVOID CONTACTING ANY HIGH VOLTA
42. wire color as shown O Colors shown by indicate colors of lead wire V 16G 3C26 connector housing LM PRIMARY W LATCH SWITCH zm ZA CAUTION H V MAGNETRON SYMBOL OR BL BLUE BR BRO w SECONDARY SHORT LATCH SWITCH LATCH SWITCH E BOTTOM OUTSIDE BOTTOM INSIDE NATURAL B B POWER HIGH VOLTAGE INVERTER NN SD297S NN SD277S NN SD277B NN SD277W NN SA247S NN P295WFX NN S255WFX NN S245WFX 2 MEASUREMENTS AND ADJUSTMENTS WARNING For continued protection against radiation hazard replace only with identical replacement parts For touch models Part J61424TOOAP Type V 15G 3C25 for Primary latch switch Part No J61414TO0AP Type No D3V 16G 3025 for Secondary latch switch and Part No J61784TOOAP Type No ACTUATOR D3V 1G 2C25 for short switch LEVER When the 20 Amp fuse is blown due to the operation of the short switch you must replace power relay Part No AEGG5G1A18 Type No G5G 1A12VDC Primary latch Switch and the short switch Then follow the installation procedures below SCREW PRIMARY Interlock switch replacement In replacing faulty
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