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9.5. ESCUTCHEON BASE ASSEMBLY

9.5.1. NN-SD698S

Ref. No.

Part No.

Part Name & Description

Pcs/Set

Remarks

E1

F603L8X00RP

D.P.CIRCUIT (AU)

1

SD698S

E2

F603Y8X00RP

D.P.CIRCUIT (DU)

1

SD698S

E3

F800L8X00SRP

ESCUTCHEON BASE (U)

1

SD698S

E4

F66164W20AP

FLAT CABLE

1

SD698S

E5

F82988X00SAP

BUTTON

1

SD698S

E6

F80725Y00SAP

DOOR OPENING BUTTON (U)

1

SD698S

E7

F82566K10AP

DOOR OPENING LEVER

1

SD698S

E8

F80375K00AP

COOK BUTTON SPRING

1

SD699S

E10

F90095X00AP

GROUNDING PANEL

1

SD698S

E11

F83928P00KAP

DIAL

1

SD698S

29

NN-SD698S / NN-ST678S / NN-ST658W

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Содержание NN-SD698S

Страница 1: ...Appliances Microwave Oven Shanghai Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law NN SD698S NN ST678S NN ST658W RPH LATIN AMERICA RUH MEXICO Microwave Oven ORDER NO PHAMOS0801002C3 E1 ...

Страница 2: ...2 NN SD698S NN ST678S NN ST658W ...

Страница 3: ...3 NN SD698S NN ST678S NN ST658W ...

Страница 4: ...oard membrane Membrane switch assembly 14 5 5 Inverter power supply U 15 5 6 Temperature thermistor 15 6 MEASUREMENTS AND ADJUSTMENTS 16 6 1 Adjustment of primary latch switch secondary latch switch and monitor interlock switch 16 6 2 Measurement of microwave output 16 7 PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE 17 7 1 Equipment 17 7 2 Procedure for measuring radiation leakage 17 7 3 Record...

Страница 5: ...1 SCHEMATIC DIAGRAM 5 NN SD698S NN ST678S NN ST658W ...

Страница 6: ...d 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 pad is tapped 1 The digital programer circuit determines the power level and cooking time to complete cooking and indicates the operating state in...

Страница 7: ... the 10 second period 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 Standard Oatmeal HIGH HIGH 0 1 2 5 Sensor reheat Auto Sensor Reheat is a quick and easy way to reheat refrigerated and room temperature foods Simply press the reheat pad There is no need to select power level and cooking time NOTE The Auto Sensor Reheat ...

Страница 8: ...minum heat sink may be HOT due to heat energy therefore extreme care should be taken during servicing H V Inverter warning WARNING FOR INVERTER POWER SUPPLY U GROUNDING Check the High Voltage Inverter Power Supply circuit grounding The high voltage inverter power supply circuit board must have a proper chassis ground The inverter grounding plate must be connected to the chassis If the inverter boa...

Страница 9: ...ion 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 as an antenna and cause microwave leakage 3 6 Verification after repair 1 After repair or replacement of parts make sure that the screws of the oven etc are neither loosen or missing Microwave energy might leak if screws are not properly tightened 2 Make su...

Страница 10: ...r body before handling the DPC 1 Disconnect all connectors from D P C 2 Remove 1 grounding screw 3 Remove 1 screw holding escutcheon base and slide the escutcheon base upward slightly 4 Remove all screws holding D P C board on escutcheon base 5 Separate D P C board from tabs on the escutcheon base and remove D P C board To replace membrane key board 6 Use tools such as kinfe etc to lift the edge o...

Страница 11: ...ifice 4 5 Door assembly 1 Remove door C from door E by carefully pulling outward starting from upper right hand corner using a flat blade screwdriver 2 Separate door E from tabs on door A and remove door A 3 Open Door E at the opening angle of approximately 10 Note The door cannot be removed if the opening angle is greater than 10 4 Remove the door E from its hinges by pushing the door E upward an...

Страница 12: ...oving screw NOTE After reinstalling the new turntable motor and reconnecting the 2 lead wires reinstall the motor cover by rotating it around 180 tucking the 2 tabs under the base in the 2 provided slots then screw the single tab to the base using a 4mm 6mm screw 4 7 Steam sensor 1 Disconnect connector CN2 from digital programmer circuit board 2 Disengage catch hooks on sensor cover C from orifice...

Страница 13: ...ge 2 Remove the H V lead wire from magnetron terminals 3 Disconnect 2 connectors from CN701 CN702 on H V Inverter U 4 Remove 1 screw holding grounding plate to the base 5 Bend back 1 locking metal tab on the base 6 Press 1 encircled locking tab and then slide 4 locking tabs of Inverter bracket at the bottom of the base in direction of arrows 7 Remove 1 screw holding H V Inverter to Inverter bracke...

Страница 14: ...rlock 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 positions using lowest scale of the ohm meter Normal continuity readings should be as follows Door Opened Door Closed 0Ω Close Ω Open ...

Страница 15: ...stops in 37 seconds after started Test 2 Continued from Test 1 1 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 Timer Clock pad twice b Press Start pad once c Press Power Level pad once 5 Program oven at High power for 1 minute and press Start pad a After approxima...

Страница 16: ...witches again by following the component test procedures 6 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 stopwatch NO...

Страница 17: ...p 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 7 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 meas...

Страница 18: ...7 4 At least once a year have the radiation monitor checked for calibration by its manufacturer 18 NN SD698S NN ST678S NN ST658W ...

Страница 19: ... body 7 120V AC is present on the digital programmer circuit Terminals of power relay s and primary circuit of Digital Programmer Circuit When troubleshooting be cautious of possible electrical shock hazard Before troubleshooting operate the microwave oven following the correct operating procedures in the instruction manual in order to find the exact cause of any trouble since operator error may b...

Страница 20: ...tch switches 2 Open or loose connection of high voltage circuit especially magnetron filament circuit NOTE Large contact resistance will cause lower magnetron filament voltage and cause magnetron to have lower output and or be intermittent 3 Defective high voltage component H V Inverter Power Supply U Magnetron Check high voltage component according to component test procedure and replace if it is...

Страница 21: ... H99 First you must program the DPC into TEST MODE press Timer Clock pad twice Press Start pad once press Power Level pad once Program unit for operation H95 H97 H98 H99 appears in display window a short time after Start pad 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 window a short time after Star...

Страница 22: ...gnetron 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 F606Y8M00AP 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 8 5 H V INVERTER BOARD...

Страница 23: ...8 6 How to check the semiconductors using an OHM meter 23 NN SD698S NN ST678S NN ST658W ...

Страница 24: ...9 EXPLODED VIEW AND PARTS LIST 9 1 EXPLODED VIEW 24 NN SD698S NN ST678S NN ST658W ...

Страница 25: ...0 LATCH SPRING 1 ST658W 14 F31366G30AP HOOK LEVER A 1 SD698S ST678S 14 F31366K50AP HOOK LEVER A 1 ST658W 15 F31376G30AP HOOK LEVER B 1 SD698S ST678S 15 F31376K50AP HOOK LEVER B 1 ST658W 16 F31386G30AP HOOK LEVER C 1 SD698S ST678S 16 F31386K50AP HOOK LEVER C 1 ST658W 17 F400A5Y00AP FAN MOTOR 1 AC120V SINGLE PHASE 60Hz 18 F40084T00AP FAN BLADE 1 19 F40257D00APG AIR GUIDE A 1 20 F41445Y00AP ORIFICE 1...

Страница 26: ...s Set Remarks 45 F65856K50AP INVERTER BRACKET 1 46 F03347D00RP MENU LABEL 1 SD698S 46 F03347G50RP MENU LABEL 1 ST678S ST658W 48 F40264T60APG AIR GUIDE B 1 52 F00066G00RP CAUTION LABEL 1 SD698S RPH ST678S RPH 26 NN SD698S NN ST678S NN ST658W ...

Страница 27: ...ERIALS Ref No Part No Part Name Description Pcs Set Remarks W1 F030A7D00RP LEAD WIRE HARNESS 1 W2 F030E5L00AP H V LEAD WIRE 1 W3 F03537D00AP LEAD WIRE HARNESS U 1 INCLUDING THERMISTOR 27 NN SD698S NN ST678S NN ST658W ...

Страница 28: ...A 1 ST658W D2 F301A8X00SCP DOOR A U 1 SD698S D2 F301A8M00SAP DOOR A U 1 ST678S D3 F302K5L00AP DOOR E U 1 D4 F30215G10XN DOOR KEY SPRING 1 D5 F30854T00AP DOOR C 1 D6 F31454T00AP DOOR SCREEN A 1 D7 F31468F50HCP DOOR SCREEN B 1 ST658W D8 F30016K50HAP DOOR A 1 ST658W D10 F02459660AP DHHS LABEL 1 SD698S ST678S 28 NN SD698S NN ST678S NN ST658W ...

Страница 29: ...IT DU 1 SD698S E3 F800L8X00SRP ESCUTCHEON BASE U 1 SD698S E4 F66164W20AP FLAT CABLE 1 SD698S E5 F82988X00SAP BUTTON 1 SD698S E6 F80725Y00SAP DOOR OPENING BUTTON U 1 SD698S E7 F82566K10AP DOOR OPENING LEVER 1 SD698S E8 F80375K00AP COOK BUTTON SPRING 1 SD699S E10 F90095X00AP GROUNDING PANEL 1 SD698S E11 F83928P00KAP DIAL 1 SD698S 29 NN SD698S NN ST678S NN ST658W ...

Страница 30: ...ST678S E23 F800L8V60SRP ESCUTCHEON BASE U 1 ST678S E26 F80725Y00SAP DOOR OPENING BUTTON U 1 ST678S E27 F82565Y00AP DOOR OPENING LEVER 1 ST678S E28 F80375K00AP COOK BUTTON SPRING 1 ST678S E29 F630Y8V60BRP MEMBRANE SWITCH U 1 ST678S E30 F90095X00AP GROUNDING PANEL 1 ST678S 30 NN SD698S NN ST678S NN ST658W ...

Страница 31: ...F603L7G50RP D P CIRCUIT AU 1 ST658W E43 F80346K50HAP ESCUTCHEON BASE 1 ST658W E49 F630Y8V70HRP MEMBRANE SWITCH U 1 ST658W E50 L5AAAEC00056 DISPLAY 1 ST658W E51 F66175L00AP DISPLAY TUBE COVER 1 ST658W E52 F67005U40XN RUBBER CONNECTOR 1 ST658W 31 NN SD698S NN ST678S NN ST658W ...

Страница 32: ...S RPH P2 F01028V60SRP PACKING CASE PAPER 1 ST678S RPH P2 F01028V70HRP PACKING CASE PAPER 1 ST658W RPH P3 F01046K50AP UPPER FILLER 1 P4 F01055L00AP LOWER FILLER 1 P5 F01067F00AP P E BAG 1 SD698S ST678S P5 F01068100XN P E BAG 1 ST658W P6 F01078J00XN DOOR SHEET 1 P8 F06014T00AP COOKING TRAY 1 P9 F01924T00AP SHEET 1 P10 F00065G40AP CAUTION LABEL 1 P12 F00166H70RP NOTICE 1 SD698S ST678S 32 NN SD698S NN...

Страница 33: ...10 DIGITAL PROGRAMMER CIRCUIT 10 1 NN SD698S 33 NN SD698S NN ST678S NN ST658W ...

Страница 34: ...34 NN SD698S NN ST678S NN ST658W ...

Страница 35: ...10 2 NN ST678S 35 NN SD698S NN ST678S NN ST658W ...

Страница 36: ...36 NN SD698S NN ST678S NN ST658W ...

Страница 37: ...10 3 NN ST658W 37 NN SD698S NN ST678S NN ST658W ...

Страница 38: ...38 NN SD698S NN ST678S NN ST658W ...

Страница 39: ...RELAY 1 T10 G4C2AAD00005 LOW VOLTAGE TRANSFORMER 1 120V SW1 SW2 SW6 SW7 SW8 SW9 SW10 SW11 SW12 SW13 SW14 EVQ11L05R SWITCH 11 RE80 EVEJ1HF2224B REVOLVING ENCODER 1 ZD10 B0BA5R600016 ZENER DIODE 1 ZD11 B0BA4R400002 ZENER DIODE 1 10 4 2 NN ST678S Ref No Part No Part Name Description Pcs Set Remarks BZ210 L0DDEA000014 BUZZER 1 2 0KHz C12 AECETK1V471B AL CHEM CAPACITOR 1 470µF 35V C13 C16 AECETS1C220B ...

Страница 40: ... MA2C19600E DIODE 5 D10 D13 B0EAKT000025 DIODE 4 IC1 MN101C78ADD L S I 1 IC350 C0EBE0000401 IC 1 Q10 Q180 B1BAAJ000003 TRANSISTOR 2 D25 D4EAY271A036 ZENER RESISTOR 1 270V D26 D27 D4EAY112A036 ZENER RESISTOR 2 1100V RY1 AEBGJQC25F18 POWER RELAY 1 T10 G4C2AAD00006 LOW VOLTAGE TRANSFORMER 1 120V VZ1 D3CA6103A017 VARISTOR 1 10KΩ ZD10 B0BA5R600016 ZENER DIODE 1 ZD11 B0BA4R400002 ZENER DIODE 1 40 NN SD6...

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