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Panasonic NE-3280 Service Manual
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Panasonic NE-3280 Service Manual

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NE-3280
NE-2180
NE-2180C
© 2001 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MOD0108247C1

Microwave Oven

Unauthorized
copying
E10
and

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Summary of Contents for Panasonic NE-3280

  • Page 1: Microwave Oven

    ORDER NO. MOD0108247C1 Microwave Oven NE-3280 NE-2180 NE-2180C © 2001 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.

  • Page 2: Table Of Contents

    NE-3280 / NE-2180 / NE-2180C CONTENTS Page Page 1 CONTROL PANEL 11 DISASSEMBLY AND PARTS REPLACEMENT 2 OPERATION PROCEDURE 12 COMPONENT TEST PROCEDURE 3 SCHEMATIC DIAGRAM NE-3280 (USA) 13 MEASUREMENTS AND ADJUSTMENTS 4 WIRING DIAGRAM NE-3280 (USA) 14 PROCEDURE FOR MEASURING RADIATION LEAKAGE...
  • Page 3 NE-3280 / NE-2180 / NE-2180C 21 WIRING MATERIAL 23 DIGITAL PROGRAMMER CIRCUIT 22 DIGITAL PROGRAMMER CIRCUIT...

  • Page 4: Control Panel

    NE-3280 / NE-2180 / NE-2180C 1 CONTROL PANEL...

  • Page 5: Operation Procedure

    NE-3280 / NE-2180 / NE-2180C 2 OPERATION PROCEDURE...
  • Page 6 NE-3280 / NE-2180 / NE-2180C...
  • Page 7 NE-3280 / NE-2180 / NE-2180C...
  • Page 8 NE-3280 / NE-2180 / NE-2180C...

  • Page 9: Schematic Diagram Ne-3280 (Usa)

    NE-3280 / NE-2180 / NE-2180C 3 SCHEMATIC DIAGRAM NE-3280 (USA)

  • Page 10: Wiring Diagram Ne-3280 (Usa)

    NE-3280 / NE-2180 / NE-2180C 4 WIRING DIAGRAM NE-3280 (USA) NOTE: When replacing, check the lead wire colour as shown.

  • Page 11: Schematic Diagram Ne-2180C (Canada)

    NE-3280 / NE-2180 / NE-2180C 5 SCHEMATIC DIAGRAM NE-2180C (CANADA)

  • Page 12: Wiring Diagram Ne-2180C (Canada)

    NE-3280 / NE-2180 / NE-2180C 6 WIRING DIAGRAM NE-2180C (CANADA) NOTE: When replacing, check the lead wire colour as shown.

  • Page 13: Schematic Diagram Ne-2180 (Usa)

    NE-3280 / NE-2180 / NE-2180C 7 SCHEMATIC DIAGRAM NE-2180 (USA)

  • Page 14: Wiring Diagram Ne-2180 (Usa)

    NE-3280 / NE-2180 / NE-2180C 8 WIRING DIAGRAM NE-2180 (USA) NOTE: When replacing, check the lead wire colour as shown.

  • Page 15: Description Of Operating Sequence

    NE-3280 / NE-2180 / NE-2180C 9 DESCRIPTION OF OPERATING SEQUENCE Variable power cooking control shown in table. The coil of power relays are energized intermittently by the NOTE: digital programmer circuit, when the oven is set at any power ON-OFF time of power relays are changed by digital selection except for High power position.

  • Page 16: Cautions To Be Observed When Troubleshooting

    10.4. When the 15 Amp. (NE- 2180/NE-2180C) or 20 Amp. 10.1. Check the grounding (NE-3280) fuse is blown due to Do not operate on a 2-wire extension cord. The microwave the operation of interlock oven is designed to be used when grounded. It is imperative,...

  • Page 17: Disassembly And Parts Replacement

    NE-3280 / NE-2180 / NE-2180C 2. Make sure that all electrical connections are tight before 10.6. Confirm after repair inserting the plug into the wall outlet. 1. After repair or replacement of parts, make sure that the 3. Check for microwave energy leakage. (Refer to procedure screws of the oven, etc.

  • Page 18: Digital Programmer Circuit

    NE-3280 / NE-2180 / NE-2180C NOTE: Do not use a soldering iron or desoldering tool of more than 30 watts on DPC contacts. 2. With all the terminal pins cleaned and separated from DPC contacts, remove the defective transformer/power relays and install new transformer/power relays making sure all terminal pins are inserted completely.
  • Page 19 NE-3280 / NE-2180 / NE-2180C 2. Remove 2 screws holding upper antenna assy by inserting screwdriver through the opening on the antenna as shown in figure. 11.6. Lower antenna (Right and Left) Lower antenna (Right and Left) 1. To remove the floor shelf, insert a screwdriver through the openings on the right and left sides of the oven cavity and carefully lift the floor shelf as shown in figure.
  • Page 20 NE-3280 / NE-2180 / NE-2180C Upper PART NO.: Antenna ANE61446030AP Motor (RATED: 120V) Lower PART NO.: Antenna A6144-3280 Motor (RATED: 120V) 11.9. Program, Beep and Program Lock switches board. (P.C.Board F assy) 1. Remove air filters. 2. Place the unit on its left side carefully.

  • Page 21: Component Test Procedure

    NE-3280 / NE-2180 / NE-2180C 12 COMPONENT TEST PROCEDURE check continuity. CAUTION 1. High voltage is present at the high voltage terminal of the high 2. Normal (cold) resistance readings should be as follows: voltage transformer during any cook cycle.

  • Page 22: Protector Diode

    NE-3280 / NE-2180 / NE-2180C 12.7. Membrane key board (Membrane switch assembly) Check continuity between switch terminals, by tapping an appropriate pad on the key board. The contacts assignment of the respective pads on the key board is as shown in digital programmer circuit.

  • Page 23: Measurements And Adjustments

    NE-3280 / NE-2180 / NE-2180C 13 MEASUREMENTS AND ADJUSTMENTS 13.1. Adjustment of the secondary interlock switch (SAFETY SWITCH B) (Right and Left side) 1. Switch operation When the door is slightly opened, the secondary interlock switch opens the main circuit. The movement of the door...

  • Page 24: Procedure For Measuring Radiation Leakage

    2mw/square (1mW/square centimeter for Canada) infrorm PASC, PSC, or PCI centimeter stated here is Panasonic’s own voluntary immediately. Aftr repairing or replacing any radiation safety device, keep a written record for future reference, as required by D.H.H.S. and standard.
  • Page 25 NE-3280 / NE-2180 / NE-2180C · Glass thermometer 212°F or 100°C 14.4. At least once a year, have the · 600cc glass beaker radiation monitor checked for 14.2. Procedure for measuring calibration by its radiation leakage manufacturer. Note before measuring 1.

  • Page 26: Troubleshooting Guide

    If the unit shows faulty symptom as shown below, check the parts listed in possible cause column depending on failure indication e.g. F81, F82 in the display. [TROUBLE] Oven does not operate at all or oven does not start cooking. NE-3280 DISPLAY...
  • Page 27 NE-3280 / NE-2180 / NE-2180C DISPLAY CONDITIONS POSSIBLE CAUSE TIMING OF FAILURE INDICATION Shorted contacts of RY- 1. Relay failure RY-9 (D) It is appeared when failure occured. 2. Digital programmer circuit failure [TROUBLE] Oven does not operate at all or oven does not start cooking. NE-2180, NE-2180C...

  • Page 28: Expoded View And Parts List

    NE-3280 / NE-2180 / NE-2180C 16 EXPODED VIEW AND PARTS LIST...
  • Page 29 NE-3280 / NE-2180 / NE-2180C...

  • Page 30: Parts List

    NE-3280 / NE-2180 / NE-2180C 17 PARTS LIST NOTE When ordering replacement part(s), please use part number(s) shown in this parts list. Do not use description of the part. Importan safety notice: Components identified by mark have special characteristics important for safety.
  • Page 31 NE-3280 / NE-2180 / NE-2180C Ref. No. Part No. Part Name & Description Pcs/Set Remarks ANE000Z000AA CUSHION RUBBER C ANE000Z000AA CUSHION RUBBER C ANE000Z000AA CUSHION RUBBER C ANE000Z000AA CUSHION RUBBER C ANE0922000JE CUSHION RUBBER C ANE000Z000AB CUSHION RUBBER C ANE000Z000AB...
  • Page 32 NE-3280 / NE-2180 / NE-2180C Ref. No. Part No. Part Name & Description Pcs/Set Remarks A33373030GP DOOR ARM LEVER A400B3040AP AIR FILTER FLAME(U) A400C3040AP EXHAUST GUIDE B A402N3030GP EXHAUST GUIDE A A40253030GP AIR GUIDE A A40253030GP AIR GUIDE A A40263030GP...
  • Page 33 NE-3280 / NE-2180 / NE-2180C Ref. No. Part No. Part Name & Description Pcs/Set Remarks XYN5+C8BN SCREW NE-3280(5X8)FOR NOISE FILTER A64083040AP WASHER A64083040AP WASHER A65313030GP SWITCH HOLDER ANE64086Q0AP WASHER A65513030GP H.V.T.MOUNTING A65513030GP H.V.T.MOUNTING A65613030GP BUZZER CASE A05103040AP CAUTION LABEL NE-3280,NE-2180...

  • Page 34: Door Assemble

    NE-3280 / NE-2180 / NE-2180C Ref. No. Part No. Part Name & Description Pcs/Set Remarks XWG5BV WASHER FOR SHELF SUPPRT XWG5BV WASHER FOR SHELF SUPPRT A90273A40AP CORD BUSHING NE-3280 A90273040AP CORD BUSHING NE-2180(C) A90353A40AP CORD BRACKET NE-3280 A90353570CP CORD BRACKET...

  • Page 35: Escutcheon Base Assemble

    NE-3280 / NE-2180 / NE-2180C Ref. No. Part No. Part Name & Description Pcs/Set Remarks XYEANE4+C16T SCREW 4X16 XYEANE4+C16T SCREW 4X16 A30853030GP DOOR C ANE0245X00AP DHHS LABEL NE-3280,NE2180 ANE01728U0CP CAUTION LABEL NOTE: Please order DHHS label together. 19 ESCUTCHEON BASE ASSEMBLE Ref.

  • Page 36: Packing And Accessories

    NE-3280 / NE-2180 / NE-2180C 20 PACKING AND ACCESSORIES Ref. No. Part No. Part Name & Description Pcs/Set Remarks A00033A40AP INSTRUCTION BOOK NE-3280,NE-2180 A00033A60CP INSTRUCTION BOOK NE-2180C A00873040AP MENU CARD A01023570CP PACKING CASE,PAPER NE-3280 A01023590CP PACKING CASE,PAPER NE-2180(C) A01033030GP BOTTOM CASE...

  • Page 37: Wiring Material

    NE-3280 / NE-2180 / NE-2180C 21 WIRING MATERIAL...
  • Page 38 NE-3280 / NE-2180 / NE-2180C Ref. No. Part No. Part Name & Description Pcs/Set Remarks A030A3A40AP LEAD WIRE HARNESS NE-3280 A030A3A60AP LEAD WIRE HARNESS NE-2180 A030A3590CP LEAD WIRE HARNESS NE-2180C A03603560GP LEAD WIRE A03623A40AP LEAD WIRE NE-3280...
  • Page 39 NE-3280 / NE-2180 / NE-2180C Ref. No. Part No. Part Name & Description Pcs/Set Remarks A03623560GP LEAD WIRE NE-2180(C) A03633560GP LEAD WIRE A604Q3570AP SURGE ABSORBER A NE-2180 A03653560GP LEAD WIRE A03693560GP LEAD WIRE A03703560GP LEAD WIRE A03723A60BP LEAD WIRE NE-2180...

  • Page 40: Digital Programmer Circuit

    NE-3280 / NE-2180 / NE-2180C Ref. No. Part No. Part Name & Description Pcs/Ser Remarks D2,D3 ERZC10DK112R VARISTOR F1,F2 A62316010BP FUSE HOLDER F1,F2 A6116-1740 TERMINAL BOARD NE-3280 A62314000AP FUSE HOLDER NE-3280,NE-2180 A62316010BP FUSE HOLDER A621A3570CP FILTER COIL NE-2180C 22 DIGITAL PROGRAMMER CIRCUIT...
  • Page 41 NE-3280 / NE-2180 / NE-2180C...

  • Page 42: Digital Programmer Circuit

    NE-3280 / NE-2180 / NE-2180C 23 DIGITAL PROGRAMMER CIRCUIT PARTS LIST...
  • Page 43 NE-3280 / NE-2180 / NE-2180C Ref. No. Part No. Description Pcs/set Remarks C10,12,13,15,16,17 AECF50F104Z CERAMIC CAPACITOR 0.1MF/50V ,19,22,26,29 ECA1HM221B ELECTROLYTIC CAPACITOR,AL 220MF/50V ECEA1CKA100B ELECTROLYTIC CAPACITOR,AL 10MF/16V ECEA1HKA2R2B ELECTROLYTIC CAPACITOR,AL 2.2MF/50V C20,C21,C23,C24,C2 ECBT1E103ZF5 CERAMIC CAPACITOR 0.01MF/25V 7,C28 ECBT1H101KB5 CERAMIC CAPACITOR 0.0001MF/50V...

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