Panasonic NN-SD291S Service Manual Download Page 19

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Ref. No.

Part No.

Part Name & Description

Pcs/Set

Remarks

F900C9X00CP

AC CORD W/PLUG

F90804W00AP

CANOE CLIP

FOR COVER

F48436Z00APG

INHALE GUIDE A

F01729X00CP

CAUTION LABEL

F00565H00AP

CAUTION LABEL

F00725H00AP

CAUTION LABEL

F04469X00CP

FUNCTION LABEL

F66396F00AP

MOTOR INSTALLATION BRACKET

F63266F00AP

DRIVE MOTOR

F11736F00AP

SPRING

F11196F00SAP

VENT GRILLE OSTENTATIOUS COVER

SD291S

F11196Z00HAP

VENT GRILLE OSTENTATIOUS COVER

SD291W

F11189D90AP

VENT GRILLE INSTALLATION
BRACKET

F11176F00SAP

VENT GRILLE

SD291S

F11176Z00HAP

VENT GRILLE

SD291W

F48236F00AP

CAM

F48246Z00AP

SHAFT

F111B6F00APG

BACKSTOP AU

F111C6F00APG

BACKSTOP BU

J61415G10XN

MICRO SWITCH

F101V6Z00SAP

VENT GRILLE (U)

SD291S

F101V6Z00HAP

VENT GRILLE (U)

SD291W

F90356Z00AP

AC CORD FIXING PLATE

A66135H00AP

BRACKET A

F03346Z20CP

MENU LABEL

F01956F10CP

CAUTION LABEL

F40316Z00APG

AIR BAFFLE C

F00067C50CP

CAUTION LABEL

F62315G10XN

FUSE HOLDER

XTC4+12BC

SCREW

XTC4+10AFZ

SCREW

SD291S

XTC4+10AFC

SCREW

SD291W

8BFZ

SCREW

SD291S

8BCR

SCREW

SD291W

F605S9X00CP

D.P.CIRCUIT (HU)

COOKTOP LAMP (LED) INSIDE

100

F67269X00CP

REFLECTOR

101

F81279X00CP

COOKTOP LAMP PANEL

102

F21559D90AP

MEMBRANE

NN-SD291S / NN-SD291W

Summary of Contents for NN-SD291S

Page 1: ...nces Microwave Oven Shanghai Co Ltd 2011 NN SD291S NN SD291W CPH CANADA Microwave Oven Please file and use this manual together with the service manual for Model NN S262SF Order No SIMMC0203005C1 ORDER NO PHAMOS1106067AE E2 ...

Page 2: ...2 NN SD291S NN SD291W ...

Page 3: ...3 NN SD291S NN SD291W ...

Page 4: ...REMENTS AND ADJUSTMENTS 12 5 1 Adjustment of primary interlock switch secondary interlock switch and monitor switch 12 5 2 Measurement of microwave output 12 6 PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE 13 6 1 Equipment 13 6 2 Procedure for measuring radiation leakage 13 6 3 Record keeping and notification after measurement 13 6 4 At least once a year have the radiation monitor checked for c...

Page 5: ...1 SCHEMATIC DIAGRAM 5 NN SD291S NN SD291W ...

Page 6: ...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 button is tapped 1 The digital programer circuit determines the power level and cooking time to complete cooking and indicates the operating sta...

Page 7: ...d in the 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 Example 1 If the T1 time is measured to be 2 minutes and 40 seconds 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 Sta...

Page 8: ...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 Collector is directly connected to the aluminum heat sink The aluminum heat sink may be HOT due to heat energy therefore extreme care should be taken during servicing H V Inverter warning WARNING FOR INVERT...

Page 9: ...t 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 inserting nails wire etc through any holes in the unit during operation 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 ...

Page 10: ...pened Primary Interlock Switch 0Ω Close Ω Open Secondary Interlock Switch 0Ω Close Ω Open Power Relay RY1 Ω Open Ω Open 4 2 Monitor Switch 1 Unplug lead wires from Inverter Power Supply U primary terminals 2 Connect test probes of ohm meter to the disconnected leads that were connected to Inverter Power Supply U 3 Test the continuity of Monitor Interlock Switch with door opened and closed position...

Page 11: ...lug 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 b Press Timer button once c Press Start button once d Press Power Level button once 5 Program oven at High power for 1 minute and press Start button a After approximately 3 seconds oven stops operating b...

Page 12: ...l interlock 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 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...

Page 13: ...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 surface being measured 6 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 ...

Page 14: ...6 4 At least once a year have the radiation monitor checked for calibration by its manufacturer 14 NN SD291S NN SD291W ...

Page 15: ...d 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 appears in display window a short time after Start button is pressed and there is no microwave oscillation Alternate way to troubleshoot oven with AC Ampere meter used H95 H97 H98 H99 appears in display ...

Page 16: ... 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 OK Replace magnetron Shut off in 3 seconds after Start 1 Less than 0 5A Check open circuit Interlock Switch DPC Power Relay and CN701 Replace defective component s or correct switch cables and connectors 7 ...

Page 17: ...8 EXPLODED VIEW AND PARTS LIST 8 1 EXPLODED VIEW 17 NN SD291S NN SD291W ...

Page 18: ...R MAGNETRON COOLING 22 F601L6F00AP SENSOR BU 1 23 F40246Z00AP EXHAUST GUIDE A 1 24 F44775H00AP EXHAUST GUIDE 1 25 F20025H00AP RACK SUPPORT 4 26 F65856Z00AP INVERTER BRACKET 1 27 F62386Z00AP WASHER 1 28 F62386F00AP WASHER 1 32 F100T5H00APG BACK PLATE BU 1 33 F400B6Z00AP FILTER U 2 34 F400K5H00APG EXHAUST ADAPTER 1 35 F63176F00SAP LAMP HOLDER 1 SD291S 35 F63175H10HAP LAMP HOLDER 1 SD291W 36 F64375H0...

Page 19: ...1S 79 F11176Z00HAP VENT GRILLE 1 SD291W 80 F48236F00AP CAM 1 81 F48246Z00AP SHAFT 1 82 F111B6F00APG BACKSTOP AU 2 83 F111C6F00APG BACKSTOP BU 1 84 J61415G10XN MICRO SWITCH 1 85 F101V6Z00SAP VENT GRILLE U 1 SD291S 85 F101V6Z00HAP VENT GRILLE U 1 SD291W 86 F90356Z00AP AC CORD FIXING PLATE 1 87 A66135H00AP BRACKET A 3 88 F03346Z20CP MENU LABEL 1 91 F01956F10CP CAUTION LABEL 1 92 F40316Z00APG AIR BAFF...

Page 20: ...emarks D1 F30186P40AG DOOR KEY A 1 D2 F302A8Q00SAP DOOR A U 1 SD291S D2 F302A8Q50HAP DOOR A U 1 SD291W D3 F302K5H00AP DOOR E U 1 D4 F30215G10XN DOOR KEY SPRING 1 D5 F30855H00AP DOOR C 1 D6 F31455H00AP DOOR SCREEN A 1 D7 F04114180CP HC LABEL 1 20 NN SD291S NN SD291W ...

Page 21: ...SD291S E5 F82989D90HAP BUTTON 1 SD291W E6 F891P6F00SAP DOOR OPENING BUTTON U 1 SD291S E6 F891P6Z00HAP DOOR OPENING BUTTON U 1 SD291W E7 F82566F00AP DOOR OPENING LEVER 1 E8 F80375950AP COOK BUTTON SPRING 2 E10 F81278Q00APG BACK PANEL 1 E11 F83928P00KAP DIAL 2 SD291S E11 F83929D90HAP DIAL 2 SD291W E14 F80098P00AP LED COVER A 2 E15 F00079X00SCP NAME PLATE 1 SD291S E15 F00079X00HCP NAME PLATE 1 SD291W...

Page 22: ...ET 1 P7 A06015H00AP COOKING TRAY 1 P8 F01175H00AP TRAY PACKING B 1 P9 F01485H00AP REINFORCE BRACKET 2 P10 F01085H00AP TRAY PACKING 1 P11 F01928Q00SAP SHEET 2 P12 F06025H00AP OVEN RACK 1 P13 F02185H00AP PROTECTOR PACKING 1 P14 F03138Q00CP INSTALLATION INSTRUCTION 1 P15 F04318Q00CP UPPER CABINET TEMPLATE 1 P16 F011F6Z00AP ATTACHMENT 1 P18 F04459X00SCP OVERLAY 1 SD291S P18 F04459X00HCP OVERLAY 1 SD29...

Page 23: ...Motor Magnetron cooling Fan Motor Inverter cooling Fan Motor 3 Thermal Cutouts Blower Motor Cam Switch etc W2 F030E5H00CP H V LEAD WIRE 1 Magnetron to CN702 of H V Inverter W3 F03539X00CP LEAD WIRE HARNESS U 1 INCLUDING 5 PIN CONNECTOR CN4 Connect to Secondary Interlock Switch etc W4 F03559X00CP LEAD WIRE HARNESS 1 Connect to Turntable Motor Cooktop Lamps etc 23 NN SD291S NN SD291W ...

Page 24: ...9 DIGITAL PROGRAMMER CIRCUIT 9 1 SCHEMATIC DIAGRAM 24 NN SD291S NN SD291W ...

Page 25: ...25 NN SD291S NN SD291W ...

Page 26: ...11 AESB2100TLRC DIODE 1 D28 B0HAMT000018 DIODE 1 D29 B0HAMM000106 DIODE 1 D30 B0EDKR000014 BRIDGE DIODE 1 D31 B0EAKT000025 DIODE 1 D32 D4EAY271A036 ZENER RESISTOR 1 270V ZD10 ZD11 DZ2J062M0L ZENER DIODE 2 ZD12 DZ2J068M0L ZENER DIODE 1 D490 B0AADM000003 DIODE 1 D491 D500 B0JAAE000001 DIODE 2 D130 D136 AE3294UBCA7 LED 7 IC1 MN101E29GJT L S I 1 IC10 C0DBAHD00013 IC 1 IC25 IC27 B3PAA0000302 IC 2 IC26 ...

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