Panasonic NNSD297SR Service Manual Download Page 1

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NN-SD297SR

NN-SD297BR
NN-SD297WR
NN-SD277SR
NN-SD277BR
NN-SD277WR
NN-SA247SR
NN-P295SFR
NN-P295WFR
NN-S255WFR
NN-S245WFR

CPH(CANADA)

Microwave Oven

Please file and use this manual together with the service manual for Model NN-S262SF (Order
No.SIMMC0203005C1)

ORDER NO.PHAMOS0902007A1

Summary of Contents for NNSD297SR

Page 1: ...NN SD297BR NN SD297WR NN SD277SR NN SD277BR NN SD277WR NN SA247SR NN P295SFR NN P295WFR NN S255WFR NN S245WFR CPH CANADA Microwave Oven Please file and use this manual together with the service manua...

Page 2: ...2 NN SD297SR...

Page 3: ...3 NN SD297SR...

Page 4: ...U 14 4 5 Humidity sensor 14 5 MEASUREMENTS AND ADJUSTMENTS 15 5 1 Adjustment of primary latch switch secondary latch switch and monitor interlock switch 15 5 2 Measurement of microwave output 15 6 PRO...

Page 5: ...1 SCHEMATIC DIAGRAM 1 1 NN SD297SR BR WR P295SFR WFR 5 NN SD297SR...

Page 6: ...1 2 SD277SR BR WR 6 NN SD297SR...

Page 7: ...1 3 NN SA247SR S245WFR 7 NN SD297SR...

Page 8: ...1 4 NN S255WFR 8 NN SD297SR...

Page 9: ...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...

Page 10: ...following tables along with the P1 and P2 powers NOTE When More or Less button is selected the K factor varies resulting in T2 time to be increased or decreased Example of calculating the T2 time Exa...

Page 11: ...er in ordinary use extreme care should be taken during repair The aluminum heat sink is also energized with high voltage HOT do not touch when the AC input terminals are energized The power device Col...

Page 12: ...rm that it has the appropriate rating for these models 3 When replacing faulty switches be sure the mounting tabs are not bent broken or deficient in their ability to hold the switches 3 5 Avoid inser...

Page 13: ...ed Door Opened Primary Latch Switch 0 Close Open Secondary Latch Switch 0 Close Open Power Relay RY1 Open Open 4 2 Monitor Interlock Switch 1 Unplug lead wires from Inverter Power Supply U primary ter...

Page 14: ...Unplug the oven s AC power supply cord from outlet 2 Unplug 3 pin connector CN701 CN703 remains unplugged 3 Plug in the oven s AC power supply cord into outlet 4 Program DPC a Press Clock button once...

Page 15: ...l latch switches again by following the component test procedures 5 2 Measurement of microwave output The output power of the magnetron can be determined by performing IEC standard test procedures How...

Page 16: ...e always use the 2 inch 5cm spacer supplied with the probe 4 Tap the Start button or set the timer and with the magnetron oscillating measure the leakage by holding the probe perpendicular to the surf...

Page 17: ...6 4 At least once a year have the radiation monitor checked for calibration by its manufacturer 17 NN SD297SR...

Page 18: ...and H99 First you must program the DPC into TEST MODE press Clock button once press Timer button once Press Start button once press Power Level button once Program unit for operation H95 H97 H98 H99...

Page 19: ...netron 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 F606Y8X00AP 2 D702 is...

Page 20: ...8 EXPLODED VIEW AND PARTS LIST 8 1 EXPLODED VIEW 20 NN SD297SR...

Page 21: ...EABLE 17 F401W6Z80AP BLOWER MOTOR U 1 SA247SR CPH S255WFR CPH S245WFR CPH 18 F42486Z00AP FAN CASE C 1 20 F42505H00AP SIROCCO FAN C 1 21 F42676Z80AP FAN MOTOR B 1 FOR MAGNETRON COOLING 22 F601L6F00AP S...

Page 22: ...NTATIOUS COVER 1 SD297BR CPH 77 F11196Z00HAP VENT GRILLE OSTENTATIOUS COVER 1 SD297WR CPH P295WFR CPH 78 F11189D90AP VENT GRILLE INSTALLATION BRACKET 1 SD297SR BR WR CPH P295SFR WFR CPH 79 F11176F00SA...

Page 23: ...0HAP DOOR A U 1 SD297WR CPH P295WFR CPH D2 F302A8Q10SAP DOOR A U 1 SD277SR CPH D2 F302A8Q10BAP DOOR A U 1 SD277BR CPH D2 F302A8Q10HAP DOOR A U 1 SD277WR CPH S255WFR CPH D2 F302A8Q90SCP DOOR A U 1 SA24...

Page 24: ...UTTON 1 SD297BR CPH E5 F82989D90HAP BUTTON 1 SD297WR CPH E6 F891P6F00SAP DOOR OPENING BUTTON U 1 SD297SR CPH E6 F891P6Z00BAP DOOR OPENING BUTTON 1 SD297BR CPH E6 F891P6Z00HAP DOOR OPENING BUTTON 1 SD2...

Page 25: ...P295SFR WFR CPH E25 F82986Z00SAP BUTTON 1 P295SFR CPH E25 F82986Z00HAP BUTTON 1 P295WFR CPH E26 F891P6F00SAP DOOR OPENING BUTTON 1 P295SFR CPH E26 F891P6Z00HAP DOOR OPENING BUTTON 1 P295WFR CPH E27 F...

Page 26: ...0SCP MEMBRANE SWITCH U 1 SD277SR CPH E49 F630Y8Q10BCP MEMBRANE SWITCH U 1 SD277BR CPH E49 F630Y8Q10HCP MEMBRANE SWITCH U 1 SD277WR CPH E50 F81276Z20APG BACK PANEL 1 SD277SR BR WR CPH E51 F803G8Q10BAP...

Page 27: ...NG LEVER 1 S255WFR CPH E67 F82565H00AP DOOR OPENING LEVER 1 SA247SR CPH S245WFR CPH E68 F80375950AP COOK BUTTON SPRING 1 E69 F630Y8Q90BCP MEMBRANE SWITCH U 1 SA247SR CPH E69 F630Y6Z60HCP MEMBRANE SWIT...

Page 28: ...R 1 P295SFR CPH P2 F01028Q50HCP PACKING CASE PAPER 1 P295WFR CPH P2 F01028Q90SCP PACKING CASE PAPER 1 SA247SR CPH P2 F01028Q60HCP PACKING CASE PAPER 1 S255WFR CPH P2 F01028Q90HCP PACKING CASE PAPER 1...

Page 29: ...7WR CPH P18 F04458Q10SCP OVERLAY 1 SD277SR CPH P18 F04458Q10BCP OVERLAY 1 SD277BR CPH P18 F04458Q10HCP OVERLAY 1 SD277WR CPH P18 F04459D70SCP OVERLAY 1 P295SFR CPH P18 F04456Z00HCP OVERLAY 1 P295WFR C...

Page 30: ...Monitor Interlock Switch Top Oven Lamp Stirrer Motor Magnetron cooling Fan Motor Inverter cooling Fan Motor 3 Thermal Cutouts Blower Motor etc W1 F030A9D60CP LEAD WIRE HARNESS 1 SA247SR CPH S245WFR C...

Page 31: ...9 DIGITAL PROGRAMMER CIRCUIT 9 1 NN SD297SR BR WR CPH 31 NN SD297SR...

Page 32: ...32 NN SD297SR...

Page 33: ...9 2 NN P295SFR WFR CPH 33 NN SD297SR...

Page 34: ...34 NN SD297SR...

Page 35: ...9 3 NN SD277SR BR WR CPH S255WFR CPH 35 NN SD297SR...

Page 36: ...36 NN SD297SR...

Page 37: ...9 4 NN SA247SR CPH S245WFR CPH 37 NN SD297SR...

Page 38: ...38 NN SD297SR...

Page 39: ...VEJ1HF2224B REVOLVING ENCODER 2 SW40 SW47 SW49 SW56 EVQ11L05R SWITCH 16 ZD110 B0BA3R500006 ZENER DIODE 1 ZD130 B0BA01100004 ZENER DIODE 1 ZD500 B0BA01400009 ZENER DIODE 1 9 5 2 NN P295SFR WFR CPH Ref...

Page 40: ...ELAY 1 SD277SR BR ER CPH T10 G4C4AAD00006 LOW VOLTAGE TRANSFORMER 1 120V RE80 EVEJ1HF2224B REVOLVING ENCODER 1 SD277SR BR ER CPH VZ490 D3BB6103A006 VARISTOR 1 10KV S255WFR CPH ZD110 B0BA3R500006 ZENER...

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