Panasonic NE-2156 Service Manual
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Panasonic NE-2156 Service Manual

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NE-2156
NE-2146
NE-1656
© 2001 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MOD0108246C2

Microwave Oven

Unauthorized
copying
and

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Summary of Contents for Panasonic NE-2156

  • Page 1: Microwave Oven

    ORDER NO. MOD0108246C2 Microwave Oven NE-2156 NE-2146 NE-1656 © 2001 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.

  • Page 2: Table Of Contents

    NE-2156 / NE-2146 / NE-1656 CONTENTS Page Page 1 OUTLINE DIAGRAM 11 MEASUREMENTS AND ADJUSTMENTS 2 OPERATION PROCEDURE (NE-2156/NE-1656) 12 TROUBLESHOOTING GUIDE 3 OPERATION PROCEDURE (NE-2146) 13 EXPLODED VIEW AND PARTS LIST 4 SCHEMATIC DIAGRAM NE-2146 14 PARTS LIST 5 SCHEMATIC DIAGRAM NE-2156/NE-1656...

  • Page 3: Outline Diagram

    NE-2156 / NE-2146 / NE-1656 1 OUTLINE DIAGRAM...
  • Page 4 NE-2156 / NE-2146 / NE-1656...

  • Page 5: Operation Procedure (Ne-2156/Ne-1656)

    NE-2156 / NE-2146 / NE-1656 2 OPERATION PROCEDURE (NE-2156/NE-1656)
  • Page 6 NE-2156 / NE-2146 / NE-1656...
  • Page 7 NE-2156 / NE-2146 / NE-1656...
  • Page 8 NE-2156 / NE-2146 / NE-1656...
  • Page 9 NE-2156 / NE-2146 / NE-1656...

  • Page 10: Operation Procedure (Ne-2146)

    NE-2156 / NE-2146 / NE-1656 3 OPERATION PROCEDURE (NE-2146)

  • Page 11: Schematic Diagram Ne-2146

    NE-2156 / NE-2146 / NE-1656 4 SCHEMATIC DIAGRAM NE-2146...

  • Page 12: Schematic Diagram Ne-2156/Ne-1656

    NE-2156 / NE-2146 / NE-1656 5 SCHEMATIC DIAGRAM NE-2156/NE-1656...

  • Page 13: Wiring Diagram

    NE-2156 / NE-2146 / NE-1656 6 WIRING DIAGRAM NOTE: When replacing, check the lead wire colour as shown.

  • Page 14: Description Of Operating Sequence

    NE-2156 / NE-2146 / NE-1656 7 DESCRIPTION OF OPERATING SEQUENCE Variable power cooking control in order to vary the output power of the microwave oven. One complete ON and OFF cycle of the power relay is 44 seconds. The coil of power relay A and B are energized intermittently by...

  • Page 15: Disassembly And Parts Replacement Procedure

    NE-2156 / NE-2146 / NE-1656 WARNING 8.3. Warning about the electric Never touch any circuit wiring with your hand nor with an insulated tool charge in the high voltage during operation. capacitor. 8.4. When parts must be replaced, For about 30 seconds after the oven is turned off, an electric always remove the power plug charge remains in the high voltage capacitor.
  • Page 16 NE-2156 / NE-2146 / NE-1656 5. Remove 2 screws holding thermal cutout. 6. Remove the mounting bracket from magnetron and install it on the new magnetron. Lower magnetron 1. Discharge electric charge remaining on the high voltage capacitors. 2. Remove the entire rear panel by removing screws as shown.

  • Page 17: Circuit Board

    NE-2156 / NE-2146 / NE-1656 as shown. 9.2. Replacement of power supply circuit board NOTE: Be sure to ground any static electric charge built up on your body, before handling the power supply P.C.B. and D.P.C.. 1. Disconnect all lead wires from power supply circuit board.
  • Page 18 NE-2156 / NE-2146 / NE-1656 1. Remove ceiling plate by gently moving the left and right tabs inward while pulling the plate down and outward. 2. Using a small flat screwdriver or the like, remove two plastic clips located on the antenna ring. Next turn the antenna ring approx.

  • Page 19: Component Test Procedure

    NE-2156 / NE-2146 / NE-1656 1. When mounting the door to the oven be sure to adjust the door parallel to the bottom line of the oven face plate by moving the upper hinge and lower hinge in the direction necessary for proper alignment.

  • Page 20: Protector Diode

    NE-2156 / NE-2146 / NE-1656 2. A normal capacitor will show continuity for a short time, and 10.4. Diode then indicate 9MΩ once the capacitor is charged. 1. Isolate the diode from the circuit by disconnecting the leads. 3. A shorted capacitor will show continuous continuity.

  • Page 21: Measurements And Adjustments

    NE-2156 / NE-2146 / NE-1656 11 MEASUREMENTS AND ADJUSTMENTS 11.1. Adjustment of Safety switch A, 1. Fill the beaker with exactly one liter of tap water. Stir the water using the thermometer and record the beaker’s Safety switch B and short temperature.

  • Page 22: Troubleshooting Guide

    NE-2156 / NE-2146 / NE-1656 12 TROUBLESHOOTING GUIDE CAUTION 1. Check grounding before checking for trouble. 2. Be careful of the high voltage circuit. 3. Discharge high voltage capacitor. 4. When checking the continuity of the switches or the high voltage transformer, disconnect one lead wire from these parts and then check continuity with the AC plug removed.

  • Page 23: Exploded View And Parts List

    NE-2156 / NE-2146 / NE-1656 13 EXPLODED VIEW AND PARTS LIST...

  • Page 24: Parts List

    NE-2156 / NE-2146 / NE-1656 14 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. Important safety notice: Components identified by mark have special characteristics important for safety.
  • Page 25 NE-2156 / NE-2146 / NE-1656 Ref. No. Part No. Part Name & Description Pcs/Set Remarks A3136-3470 HOOK SPACER A A3137-3850 HOOK SPACER B A3138-3470 HOOK SPACER C A31863A30EU DOOR PANEL NE-1656 A31863A80BP DOOR PANEL NE-2156 A31863A90BP DOOR PANEL NE-2146 ANE32398U0AP...
  • Page 26 NE-2156 / NE-2146 / NE-1656 Ref. No. Part No. Part Name & Description Pcs/Set Remarks XTC4+10BC SCREW 4X10(FOR CABNET BODY) XTC4+10FC SCREW 4X10(FOR LAMP COVER) XTC4+12BK SCREW(BLACK) 4X12(FOR BASE) XTC4+12BK SCREW(BLACK) 4X12(FOR BASE) XTT4+8E SCREW 4X8(FOR BACK PANEL COVER) XWC4BPN...

  • Page 27: Door Assembly

    NE-2156 / NE-2146 / NE-1656 15 DOOR ASSEMBLY Ref. No. Part No. Part Name & Description Pcs/Set Remarks ANE3003-3510 DOOR FRAME(U) ANE30078U0AP HINGE ANE30078U0AP HINGE ANE301A8U0AP DOOR A ANE301H-3850 DOOR KEY LEVER B ANE301Q-3500 DOOR E(U) ANE3018-3850 DOOR KEY ANE3019-3850...

  • Page 28: Escutcheon Base Assembly

    NE-2156 / NE-2146 / NE-1656 16 ESCUTCHEON BASE ASSEMBLY...
  • Page 29 NE-2156 / NE-2146 / NE-1656...

  • Page 30: Packing And Accessories

    NE-2156 / NE-2146 / NE-1656 Ref. No. Part No. Part Name & Description Pcs\Set Remarks ANE03558Y0BP TIMER NE-2146 A603M3310GP P.C.BOARD B(U) A603M3310GP P.C.BOARD B(U) ANE605Q8Y0BP P.C.BOARD F(U) NE-2146 ANE61424L0AG MICROSWITCH NE-2146(V-16G-3C26) ANE61628Y0BP START SWITCH BRACKET NE-2146 ANE62648Y0BP SELECT SWITCH BUTTON...

  • Page 31: Wiring Material

    NE-2156 / NE-2146 / NE-1656 Ref. No. Part No. Part Name & Description Pcs/Set Remarks A00033A80BP INSTRUCTION BOOK A00033A80EU INSTRUCTION BOOK A01023A80BP PACKING CASE,PAPER NE-2156 A01023A90BP PACKING CASE,PAPER NE-2146 A01023A30EU PACKING CASE,PAPER NE-1656 ANE01048U0AP UPPER FILLER ANE01058U0AP LOWER FILLER A01065200AP...

  • Page 32: Digital Programmer Circuit

    NE-2156 / NE-2146 / NE-1656 Ref. No. Part No. Part Name & Description Pcs/Set Remarks CN10 AEEMMD00703W CONNECTOR 3PIN ERZC10DK621F VARISTOR D2,D3 ERZC10DK112R VARISTOR F1,F2 A62316010BP FUSE HOLDER A62316000GP FUSE HOLDER A621A3310GP FILTER COIL 24Ω Ω Ω Ω ,15W,±5% ERF15ZXJ240 RESISTOR REF NO.
  • Page 33 NE-2156 / NE-2146 / NE-1656...

  • Page 34: Digital Programmer Circuit

    NE-2156 / NE-2146 / NE-1656 20 DIGITAL PROGRAMMER CIRCUIT PARTS LIST Ref. No. Part No. Description Pcs/set Remarks EFBRL37C20 BUZZER 3.7KHZ...
  • Page 35 NE-2156 / NE-2146 / NE-1656 Ref. No. Part No. Description Pcs/set Remarks C10,C35,C36,C37 ECA1HM471B ELECTROLYTIC CAPACITOR,AL 470MF/50V ECA1HM221B ELECTROLYTIC CAPACITOR,AL 220MF/50V C12,C13,C15,C22,C25,C AECF50F104Z CERAMIC CAPACITOR 0.1MF/50V 27,C28,C29,C34 ECEA1CKA100B ELECTROLYTIC CAPACITOR,AL 10MF/16V C16,C17,C19,C20,C21 ECBT1E103ZF5 CERAMIC CAPACITOR 0.01MF/25V ECEA1HKA2R2B ELECTROLYTIC CAPACITOR,AL 2.2MF/50V...

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Ne-2146Ne-1656

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