Panasonic NN-C897WB Service Manual Download | Manualshive

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Summary of Contents for NN-C897WB

Page 1: ...TIONS 2A0VAC Single phase S0tz 1300W Micro 1560W Grill Conv 1330W 2840W Max High Frequency Output 800W IEC 705 2450Mhz a ce Specifications subject to change without notice 1997 Matsushita Electric Ind...

Page 2: ...to be observed when troubleshooting ccccccccssecceeceeeeeneeeeeesseeeeseeeeessaeeeseaeeneneaeees 10 Description of operating SCQUENCE cccccccccsccsscessecessccesececsseceacersceseceecesaeensceecssees...

Page 3: ...ock Pad Time Pads Micro Power Pad Grill Pad Convection Pad Grill Convection Pad Combination Pad Auto Weight Defrost Delay Stand Pad ____ Clock Pad ua Griltt 2 3 Convection 1 Bread 2 Mince Chops 3 Meat...

Page 4: ...Power level time Set cooking program Delay Stand __ 6 Using the Delay feature Delay Stand Press the Delay pad 7 Grilling Press Start to Press the Grill pad Start preheat When grill is ready oven will...

Page 5: ...v press the Press the nk te combination pad grill pad micropower pad stat Press the start pad 13 Auto sensor programs NN C897WB NN C987CB only Reheat Press desired pad Press the start pad 14 Auto weig...

Page 6: ...30014 aOLIDVdv9 a5V170A4 HOIH yOolOW NV4 3SN4 QNNOYD STSSVHO ONTIHLYV3 S3IA30 AOLINOW HOLIMS 307 a3LNI AYVONOD3S 2 HOLIMS O07 sUBINT AYWWTYd N3AD 400 LAD WwWa3Ht OVW IW OleWe NOALSNOWW WAYV SDVLIOAHD...

Page 7: ...g YN0 109 TOSINAS JGISN WOLLOS 3GISLNO WOLLO NOILO3ANOD HOLIMS LYOHKS HOLIMS HOLY AYVONO33S ZA AVI YSMOd ONISAOH 4 LuglL 3 Lug LH HY MIMOdONOIN Tuo 4 HN LAM AVI Y3MOd pAY AVISY YIMOd ONISNOH ONISNOH M...

Page 8: ...IMS 4307 3lNI AdVvaNO34S HIOLIMAS 4307 ASiNI AavWIad NGAQ iN LAND WWASHL E COVW LiW TL 64a lad HL eMS TAS 2x Hu 0 2 4000S YOLS TwaGHL Af ZHWN6I y LINDYID AaWWvsoOOsd WLIDIC 6AN 94a SAad ecAd TL e 4 aa...

Page 9: ...VAO uO AOE 4g aN 109 JOEINAS NOILOJANOD ZAM AVS SIMOd ONISNOH y da 4a 6 YAMOdONDIN 1AM AVTSU USMOd ONISNOH i M Iya f ual Ya us ONISNOH 4A JGiSNI WO1 9 HOLIMS LeaOHS TN9 pAu AVISY Y3MOd 30ISINO WOLLO8...

Page 10: ...microwave oven Magnetron High Voltage Transformer High Voltage Diode High Voltage Capacitor Treat the above as high voltage components do not work on these parts whilst the unit is in operation Do no...

Page 11: ...er seconds not equally divisible by 8 are added to the last standing time period EXAMPLE If the defrosting time is selected for 5 minutes each operating period will be as follows 5 minutes 300 seconds...

Page 12: ...esulting in the convection heater turning off C When the oven temperature drops below the predetermained temperature the digital programmer circuit supplys power to relay 7 resulting in the convection...

Page 13: ...r elements at the predetermained timing NOTE After combination cooking if the oven temperature is higher than the predeteramianed temperature the fan motor rotates for 4 minutes 15 seconds to cool the...

Page 14: ...es from the cooking container placed in the oven the humidity sensor detects it and the at microprocessor calculates the balance of cooking time This T2 NOTE YOU CANNOT OPERATE THE time is shown in th...

Page 15: ...C B Remove the two screws at the top of the escutcheon base and aur slide the escutcheon base upward slightly et Mm 14 2 Remove connertions C Remove the ribbon cable of the membrane key pad from conne...

Page 16: ...has no play between the inner door surface and the oven front surface if the door assembly is not mounted properly microwaves may leak from the clearance between the door and oven Perform the microwa...

Page 17: ...Dissconnect the cables to the grill heater 4 Remove the grill cover by removing the 5 screws B 5 Remove the 2 screws C holding the grill heater 6 Loosen the 2 screws D holding the ceramic grill holder...

Page 18: ...the back plate 7 Disconnect the wires to the fan motor 3 Disconnect the wiring to the thermal cutout 8 Disconnect all wires from the noise filter unscrew the earth from 4 Remove the thermistor by rem...

Page 19: ...ya Front 10 Ensure the oven is clear of accessories turn over and remove the 4 screws E from the Base 11 Carefully place the oven back onto the base and remove the back plate Oven rear 7 8 22 1 11 Re...

Page 20: ...WINDING TERMINALS INFINITY HIGHEST OHM 2 High voltage capacitor sate A Check the continuity of the capacitor with the meter on the highest ohm scale B A normal capacitor will show continuity for a sho...

Page 21: ...ter must be operated by a 9 volt battery or greater 7 Protector diode A Disconnect all leads from the protector diode B Set the meter to its highest ohm scale C Measure the resistance between the diod...

Page 22: ...s supply 2 Open or loose wiring of magnetron filament circuit Intermittant oscillation 3 Ageing of magnetron Oven lamp and turntable motor 1 Shorted secondary latch switch operates when the door is op...

Page 23: ...rmal Membrane switch Normal C1 Power relay RY2 lamp and 1 IC9 pin 13 voltage during _Abnormal turntable motor does not turn operation Normal 5V Step2 sd on after program is set and 2 Create short circ...

Page 24: ...NI NEOTSISYAUSME IN Oise PAe1 NINROTH MA ommNIN rst adel EXPLODED VIEW 26...

Page 25: ...se specified PART DESCRIPTION WARNING LABEL EXHAUST GUIDE D BACK PANEL COVER THERMISTOR UNIT CABLE HOLDER POWER SUPPLY CORD PROTECTOR DIODE SCREWS LEAD WIREHARNESS LEAD WIREHARNESS CUSHION RUBBER SHUT...

Page 26: ...7 E110DS9000BP OUTER PANEL BROWN 1 NN C897CB NN C877CB 68 E01057550BP WARNING LABEL 1 69 E202N9000BP UPPER HEATER COVER 1 70 22589000BP CUSHION RUBBER 1 71 E67579000BP HEATER BRACKET D 1 72 E2239000BP...

Page 27: ...ay become damaged during repair PART NUMBER PART DESCRIPTION REMARKS NN C897WB NN C897CB NN C877WB NN C877CB E302A9000HBP DOOR A ASSEMBLY E302A9000BP DOOR A ASSEMBLY E302A9010HBP DOOR A ASSEMBLY E302A...

Page 28: ...ER I C 1 C18 25 ECUV1H101KV CERAMIC CHIP CAPACITOR 5 100pF 50V 26 27 28 C34 35 36 ECUV1H103KBV CERAMIC CHIP CAPACITOR 11 10nF 50V 37 38 39 40 41 42 43 53 C20 21 22 ECUV1H103ZF1 CERAMIC CHIP CAPACITOR...

Page 29: ...GSYOROOV ERDS2TJ680T DESCRIPTION VOLTAGE REGULATOR HEATSINK SCREW CONNECTOR AL ELEC CAPACITOR CERMAC CHIP CAPACITOR AL ELEC CAPACITOR SILICON DIODE CHIP SILICON DIODE DIODE C FILM RESISTOR CERAMIC RES...

Page 30: ...01B AL ELECTRIC CAPACITORAL 1 100 MICRO F Q4 UN4123 TA TRANSISTOR 1 Q3 UN4211 TA TRANSISTOR 1 Q10 11 6 2SC4038TL2Q TRANSISTOR 6 7 89 C18 23 AECF50F 104Z CERAMIC CAPACITOR 2 D10 11 AEDNERA1502 SILICON...

Page 31: ...NN C897WB NN C897CB 1 NN C877WB NN C877CB DIGITAL PROGRAMMER CIRCUIT 5v TEST in e FE a Q1 I aepce 35...

Page 32: ...MALS2A r a fo WA A AniwBA A ABA BRAK AB Ai t d mae H P77 i 1G6 1 ie jUNeeF Cov r 5 30 ICt_ M38857MC EtNeo_ien es RUI 10K fRonseO OS t 25V 12 150 zl ap Cv 74 VREF a pee mers s vec ERAISO2 ra SF Cc A 6...

Page 33: ...7 psi DISP1 FIPGSMOR 2SB710A CN4 ECN20_4 RS cN2 are ECN 0_SWOID 5 nm Pn S OR PSN a Reece 1 Do eae ae ee a Res SHUTTER_SWITCH PULSE GENERATION 49 LGIRCUIT_ _J Menno Sy 4 14 2 a cid ay Lea 104 027 oy 10...

Page 34: ...io tt C12 Les 1000pF 10uFI6V T 103 lavss P2 S1 ay 3 RY6 H GSN_18V H on ft aalvss g _ H R16 100uF zpe igon sov 3 BESS 2 pe VEE Di RYS ERAISO2 GSN_18V I GND anv GND Ks a PFL PF2 CNe a oo ECN20_5SWO1D SH...

Page 35: ...mov d 1c2 Cov MAI96 SN102977AN AN6752 eo en KDI4 ave ADS Ry7 kDI6 ReS om G5s18V FMAI9G m G5J_1ev PMAI96 om GSJ_1ev FMai96 100K R31 psa 14 82n R32 R33 R64 520 azn rv K D26 MA196 V9 P30 cy o 2SC945A NS...

Page 36: ...nit E692Y6700BP REF 1 C1 ECQU2A104MN POLYESTER CAPACITOR 1 0 1micro F 250V 20 C2 C3 ECKDNS472mex CERAMIC CAPACITOR 2 0 004 micr F 250V 20 Fi A62316010BP FUSE HOLDER 2 L4 A621A5540GP FILTER COIL 1 R2 E...

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