Philips NN-SN968B Скачать руководство пользователя | Manualshive

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9.4. DOOR ASSEMBLY

Ref. No.

Part No.

Part Name & Description

Pcs/Set

Remarks

D1

F30186P40AG

DOOR KEY A

1

D2

F30016G40BAP

DOOR A

1

D3

F302K4U00AP

DOOR E (U)

1

D4

F30215G10XN

DOOR KEY SPRING

1

D5

F30854U00AP

DOOR C

1

D6

F31454U00AP

DOOR SCREEN A

1

D7

F31468P40BAP

DOOR SCREEN B

1

28

NN-SN968B / NN-SN968BT

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Содержание NN-SN968B

Страница 1: ... Panasonic Home Appliances Microwave Oven Shanghai Co Ltd 2009 NN SN968B NN SN968BT APH USA Microwave Oven ORDER NO PHAMOS0912075C1 E1 ...

Страница 2: ...2 NN SN968B NN SN968BT ...

Страница 3: ...3 NN SN968B NN SN968BT ...

Страница 4: ...tron 14 5 4 Inverter power supply U 15 5 5 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 keeping and notification after me...

Страница 5: ...1 SCHEMATIC DIAGRAM 5 NN SN968B NN SN968BT ...

Страница 6: ...s 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 s...

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 Omelet MEDIUM MEDIUM 0 6 2 5 Sensor reheat Auto Sensor Reheat is a quick and easy way to reheat refrigerated and room temperature foods Simply press the reheat button There is no need to select power level and cooking time NOTE The Auto Sensor R...

Страница 8: ... aluminum 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...

Страница 9: ...peration 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 Ma...

Страница 10: ...ide and the magnetron to prevent microwave leakage CAUTION When replacing the magnetron be sure the antenna gasket is in place 4 2 Digital programmer circuit D P C CAUTION Be sure to ground any static electric charge built up in your 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 ...

Страница 11: ...to orifice 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 upwa...

Страница 12: ... removing 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 ori...

Страница 13: ...ink because it is hot 1 Discharge high voltage charge 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 2 locking metal tabs 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 Re...

Страница 14: ...ned Primary Latch Switch 0Ω Close Ω Open Secondary Latch Switch 0Ω Close Ω Open Power Relay RY1 Ω Open Ω Open 5 2 Monitor Interlock 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...

Страница 15: ...en s AC power supply cord into outlet 4 Program DPC a Press Clock pad once b Press Timer pad once c Press Start button once d Press Power Level pad once 5 Program oven at High power for 1 minute and press Start button a After approximately 3 seconds oven stops operating b During oven operation the input current is approximately 0 4A INPUT CURRENT FAILURE CODE Unplug CN701 0 4A Oven stops in 3 seco...

Страница 16: ...ch switches 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 stopwatc...

Страница 17: ...ways 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 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 ar...

Страница 18: ...7 4 At least once a year have the radiation monitor checked for calibration by its manufacturer 18 NN SN968B NN SN968BT ...

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: ...nd latch 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 ...

Страница 21: ...rst you must program the DPC into TEST MODE press Clock pad once press Timer pad once Press Start button once press Power Level pad 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 window a short ti...

Страница 22: ...l 3 3V Step2 2 Collector of Q223 voltage Abnormal Q223 Normal 0 7V RY2 No microwave oscillation at any power 1 IC1 pin 1 voltages while operation at high power Abnormal IC1 Normal 3 3V Step2 2 Collector of Q220 voltage Abnormal Q220 and or Q221 Q222 Q225 Normal 0 7V RY1 Dark or unclear display 1 Replace display and check operation Normal Display Abnormal IC1 Missing or lighting of unnecessary segm...

Страница 23: ...on 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 Latch Switch DPC Power Relay and CN701 Replace defective component s or correct switch cables and connectors 8 6 ...

Страница 24: ...8 7 How to check the semiconductors using an OHM meter 24 NN SN968B NN SN968BT ...

Страница 25: ...9 EXPLODED VIEW AND PARTS LIST 9 1 EXPLODED VIEW 25 NN SN968B NN SN968BT ...

Страница 26: ... BLADE 1 19 F40254W00AP AIR GUIDE A 1 20 F40264T60APG AIR GUIDE B 1 21 F41445W00AP ORIFICE 1 22 F64508660AP SENSOR COVER B 1 24 F65434W00AP SENSOR COVER C 1 25 J607S4M00AP STEAM SENSOR 1 26 F612E5Y30AP INCANDESCENT LAMP U 1 125V 60Hz 27 J61415G10XN MICRO SWITCH 1 PRIMARY LATCH SWITCH 28 F61415U30XN MICRO SWITCH 1 SECONDARY LATCH SWITCH 29 F61456N60AP THERMAL CUTOUT 1 150 C 20 C 31 F61785U30XN MICR...

Страница 27: ... CIRCUIT AU 1 E2 F603Y8W70AP D P CIRCUIT DU 1 E3 F80347B00BAP ESCUTCHEON BASE 1 E4 F66164W20AP FLAT CABLE 1 E5 F82987D60KAP BUTTON 1 E6 F80726G40BAP DOOR OPENING BUTTON 1 E7 F82565W00AP DOOR OPENING LEVER 1 E8 F80375K00AP COOK BUTTON SPRING 1 E9 F630Y8W70BAP MEMBRANE SWITCH U 1 27 NN SN968B NN SN968BT ...

Страница 28: ...cription Pcs Set Remarks D1 F30186P40AG DOOR KEY A 1 D2 F30016G40BAP DOOR A 1 D3 F302K4U00AP DOOR E U 1 D4 F30215G10XN DOOR KEY SPRING 1 D5 F30854U00AP DOOR C 1 D6 F31454U00AP DOOR SCREEN A 1 D7 F31468P40BAP DOOR SCREEN B 1 28 NN SN968B NN SN968BT ...

Страница 29: ... MATERIALS Ref No Part No Part Name Description Pcs Set Remarks W1 F030A7B80AP LEAD WIRE HARNESS 1 W2 F030E8W50AP H V LEAD WIRE 1 W3 F03537B70AP LEAD WIRE HARNESS U 1 INCLUDING THERMISTOR 29 NN SN968B NN SN968BT ...

Страница 30: ... PACKING CASE PAPER 1 SN968B APH P2 F01028W70APT PACKING CASE PAPER 1 SN968BT APH P3 F01045J00AP UPPER FILLER 1 P4 F01055J00AP LOWER FILLER 1 P5 F01067C50AP P E BAG 1 P6 F01074U00AP DOOR SHEET 1 P7 F06014M00AP COOKING TRAY 1 P8 F01084M00AP TRAY PACKING 1 P9 F01924U00AP SHEET 1 P10 F00065G40AP CAUTION LABEL 1 30 NN SN968B NN SN968BT ...

Страница 31: ...10 DIGITAL PROGRAMMER CIRCUIT 10 1 SCHEMATIC DIAGRAM 31 NN SN968B NN SN968BT ...

Страница 32: ...32 NN SN968B NN SN968BT ...

Страница 33: ...D 1 DISP HOLDER F66177D60AP LCD HOLDER 1 D40 D226 D227 MA2C19600E DIODE 3 D10 D13 B0EAKT000025 DIODE 4 D220 D221 D223 D225 MA2C19600E DIODE 4 D480 MA2C700A0F DIODE 1 IC1 MN101C78AEH L S I 1 IC350 C0EBE0000401 IC 1 IC480 C0ABBA000230 IC 1 Q10 Q180 B1BAAJ000003 TRANSISTOR 2 D25 D4EAY271A036 ZENER RESISTOR 1 270V RY1 AEBGJQC25F18 POWER RELAY 1 RY2 K6B1AZA00010 POWER RELAY 1 T10 G4C2AAD00005 LOW VOLTA...

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