Download
Share
Print this page
  1. Manuals
  2. Brands
  3. Panasonic Manuals
  4. Refrigerator
  5. NR-B420M
  6. Service manual

Panasonic NR-B420M Service Manual

Hide thumbs

Advertisement

Quick Links

Service Manual
MODELS:
CFCs have been used in refrigerator as refrigerant and the insulation materials for many years.
But it is now known that these compounds which once seemed so ideal for use as cleaning
agents and in refrigeration systems, destroy the earth's ozone layer. As a result, an
international body decided on a total worldwide ban of harmful CFCs by the end 1995.
EXPLANATION OF COLOUR CODE
The suffix of model number shows the colour
of that unit as in the following table.
Suffix
S
TITANIUM SILVER
W
NR-B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D, B53D2,
B643M/MS/MW/D, B703M/MS/MW, C603D, C703M/MS/MW/D
Colour
WHITE
NR-B570D
e ?
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
h ?
e ?
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
h ?
h ?
h ?
h ?
h ?
SECTION
I
TROUBLE SHOOTING GUIDE ..............2
SECTION
II
SECTION
III SCHEMATIC DIAGRAMS ....................11
SECTION
SECTION
V
PARTS LOCATION................................16
SECTION
VI REPLACEMENT PARTS LIST ..............24
g
g
g
g
g
g
?
?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
2003 Matsushita Electric Industrial Co., Ltd.
All rights reserved. Unauthorized copying and distribution is a
violation of law.
ORDER NO. TRD0307001C3
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
CONTENTS
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
e ?
? e
Page
? ?
?
? ?
?
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
e ?
e ?
? e
? e
?
?

Advertisement

loading

Related Manuals for Panasonic NR-B420M

Summary of Contents for Panasonic NR-B420M

  • Page 1: Table Of Contents

    ORDER NO. TRD0307001C3 Service Manual NR-B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D, B53D2, MODELS: B643M/MS/MW/D, B703M/MS/MW, C603D, C703M/MS/MW/D NR-B570D CFCs have been used in refrigerator as refrigerant and the insulation materials for many years. But it is now known that these compounds which once seemed so ideal for use as cleaning agents and in refrigeration systems, destroy the earth's ozone layer.

  • Page 2: Trouble Shooting Guide

    B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D SECTION I TROUBLE SHOOTING GUIDE Symptom 1. No cooling at all. Compressor does not operate. (No compressor motor operation noise.) Does light inside Reset power Power breaker OFF. breaker. refrigerator light up? Power cord Plug in power disconnected.
  • Page 3 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D (There is operation noise. but overload protector functions Compressor does not operate. and compressor stops; this occurs repeatedly.) Multiple connections Is power supply voltage Connect refrigerator to same within ± 10% of rated separately.
  • Page 4 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D Symptom 2. Poor cooling Compressor operates Note 1: If the temperature fuse blows or defrost heater is broken, the timer will stop with the timer contacts (C-NO) ON, thus preventing the resumption of cooling operation.
  • Page 5 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D Turn the COLD AIR CONTROL to D or E. Turn the COLD AIR CONTROL to A or B. Continuity Replace door switch Check fan motor Continuity No contiunity Replace fan motor (broken coil). continuity.

  • Page 6: Specifications & Components

    B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D SECTION II SPECIFICATIONS & COMPONENTS MODEL NR-B420M/MW NR-B420MS NR-B480MS SPECIFICATIONS Net Capacity 338L (FC:89L, PC: 249L) 433L (FC:103L, PC: 330L) Gross Capacity 369L (FC:111L, PC: 258L) 473L (FC:129L, PC: 344L) Outside dimensions...
  • Page 7 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D MODEL NR-B480M/MW NR-B570M/MW NR-B570MS/D-*9 SPECIFICATIONS Net Capacity 385L (FC:89L, PC: 296L) 456L (FC:103L, PC: 353L) Gross Capacity 418L (FC:111L, PC: 307L) 497L (FC:129L, PC: 368L) Outside dimensions Width 694 mm 724 mm 724 mm Depth 609/701 mm...
  • Page 8 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D MODEL NR-B570D NR-B643D/B53D2 NR-B643MS/D-*9 SPECIFICATIONS Net Capacity 456L (FC:103L, PC: 353L) 521L (FC:129L, PC: 392L) Gross Capacity 497L (FC:129L, PC: 368L) 567L (FC:158L, PC: 409L) Outside dimensions Width 774 mm 774 mm 774 mm Depth 742 mm...
  • Page 9 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D MODEL NR-B643M/MW NR-B703M/MW NR-B703MS SPECIFICATIONS Net Capacity 521L (FC:129L, PC: 392L) 541L (FC:129L, PC: 412L) Gross Capacity 567L (FC:158L, PC: 409L) 588L (FC:158L, PC: 430L) Outside dimensions Width Depth Height 1,772 1,822 Net weight Type Frost-free refrigerator/freezer...
  • Page 10 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D MODEL NR-C603D NR-C703D NR-C703M/MW C703MS SPECIFICATIONS Net Capacity 476L (FC: 103L, PC: 272L, VC:101L) 534L (FC: 129L, PC: 289L, VC: 116L) Gross Capacity 515L (FC: 129L, PC: 276L, VC: 110L) 585L (FC: 158L, PC: 304L, VF: 123L) Outside dimensions Width Depth...

  • Page 11: Schematic Diagrams

    B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D SECTION III SCHEMATIC DIAGRAMS SCHEMATIC DIAGRAM WIRING CONNECTION DIAGRAM TIMER BOX DEFROST TIMER THERMOSTAT FAN MOTOR BIMETAL THERMOSTAT SB N.O. N.C. THERMAL FUSE DEFROST HEATER PK BK N.O C N.C DOOR SWITCH (PC) LAMP MOTOR...

  • Page 12: Disassembly Instruction

    B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D SECTION IV DISASSEMBLY INSTRUCTION THERMOSTAT BIMETAL THERMO., THERMAL FUSE, FAN MOTOR AND DEFROST HEATER Take out the ice tray, ice server and freezer shelf. Remove the screws (2 pcs) which fix the ice tray rail. Remove cap and screw.
  • Page 13 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D To replace thermal fuse (DEFROST HEATER) Be sure to put thermal fuse in place. Remove the fan motor and evaporator cover. Bind lead wire without loose as shwn in the figure. Lifting the evaporator at right gradually, pull it toward you. (FAN MOTOR) NOTE: Special care should be taken not to twist and break the pipe.
  • Page 14 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D DEFROST TIMER STARTING RELAY AND OVERLOAD PROTECTOR Remove the screws (5 pcs) which fix the comp. cover. Remove the clamp and the cover. Remove the comp. cover. Screw Screw Screw Relay cover Ac cord assy driver...
  • Page 15 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D DAMPER THERMOSTAT Tear off the tapes on insulation. Open the insulation from the front side Remove lamp cover Pull the upper portion.) Remove screws (3pcs.), and pull the bottom part of Remove the damper thermostat from insulation. control plate ass'y.

  • Page 16: Parts Location

    B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D SECTION V PARTS LOCATION NR-B420M/MS/MW, B480M/MS/MW B420MW B480MW ONLY B420MW ONLY B480MW ---- 16 ----...
  • Page 17 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D NR-B420M/MS/MW, B480M/MS/MW ONLY B420M/MW B480M/MW ---- 17 ----...
  • Page 18 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D NR-B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW B570M/MW B643M/MW ONLY B703M/MW B570M/MW B643M/MW ONLY B703M/MW B53D2 ONLY ---- 18 ----...
  • Page 19 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D NR-B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW ONLY B570M/MW B643M/MW B703M/MW B570D, B643D, B53D2, ONLY ---- 19 ----...
  • Page 20 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D NR-C603D, C703M/MS/MW/D ONLY C703M/MW ONLY C703M/MW (ONLY C703) ---- 20 ----...
  • Page 21 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D NR-C603D, C703M/MS/MW/D C603D C703D ONLY ---- 21 ----...

  • Page 22: Replacement Parts List

    B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D SECTION VI REPLACEMENT PARTS LIST NR-B570M/MS/MW/D/D-*9 Ref. No Original Parts No. Service Parts No. Parts Name & Description B570MW B570M B570D B570D-*9 B570MS PCS/SET Supplier NRAE-107621-T CNRAE-10762T HINGE TOP COVER-T — TAMACO NRAE-116251 CNRAE-11625T HINGE TOP COVER-W...
  • Page 23 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D NR-B570M/MS/MW/D/D-*9 Ref. No Original Parts No. Service Parts No. Parts Name & Description B570MW B570M B570D B570D-*9 B570MS PCS/SET Supplier NRBF-118200-W CNRBF-11820T PIECE COVER COIL AS. — — — TAMACO NRBF-114020-W CNRBF-11402T PIECE COVER COIL AS.
  • Page 24 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D NR-C603D Ref.No Original Parts No. Service Parts No. Parts Name & Description C603D PCS/SET Supplier NRBF-114020-W CNRBF-11402T PIECE COVER COIL AS. TAMACO NRBF-118520 CNRBF-11852T COVER COIL & FAN MOTOR AS. TAMACO NRBH-107411-W CNRBH-10741T CONTROL PANEL AS.
  • Page 25 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D NR-C703M/MS/MW/D Ref.No Original Parts No. Service Parts No. Parts Name & Description C703M C703MW C703MS C703D PCS/SET Supplier NRAE-107621-T CNRAE-10762T HINGE TOP COVER-T TAMACO NRAE-116251 CNRAE-11625T HINGE TOP COVER-W NRAE-116600 CNRAE-11660T TOP HINGE TAMACO NRAG-100411 CNRAG-10041T...
  • Page 26 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D NR-C703M, C703D Ref.No Original Parts No. Service Parts No. Parts Name & Description C703M C703D PCS/SET Supplier NRBF-114020-W CNRBF-11402T PIECE COVER COIL AS. TAMACO NRBF-118560 CNRBF-11856T COVER COIL & FAN MOTOR AS. TAMACO NRBH-11129T CNRAG-11129T...
  • Page 27 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D NR-C603D Ref.No Original Parts No. Service Parts No. Parts Name & Description C603D PCS/SET Supplier NRAE-107621-T CNRAE-10762T HINGE TOP COVER-T TAMACO NRAE-116251 CNRAE-11625T HINGE TOP COVER-W NRAE-116600 CNRAE-11660T TOP HINGE TAMACO NRAG-100411 CNRAG-10041T DEODORIZER TAMACO...
  • Page 28 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D NR-B643M/MS/MW/D/D-*9,B53D2 Ref. No Original Parts No. Service Parts No. Parts Name & Description B643M B643MS B643D B643D-*9 B643MW B53D2 PCS/SET Supplier NRAE-107621-T CNRAE-10762T HINGE TOP COVER-T TAMACO NRAE-116251 CNRAE-11625T HINGE TOP COVER-W —...
  • Page 29 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D NR-B643M/MS/MW/D/D-*9,B53D2 Ref. No Original Parts No. Service Parts No. Parts Name & Description B643M B643MS B643D B643D-S7 B643D-*9 B643MW B53D2 PCS/SET Supplier NRBF-114020-W CNRBF-11402T PIECE COVER COIL AS. NRBF-118540 CNRBF-11854T COVER COIL & FAN MOTOR AS. —...
  • Page 30 B420M/MS/MW, B480M/MS/MW, B570M/MS/MW/D/D-*9, B53D2, B643M/MS/MW/D/D-*9, B703M/MS/MW, C603D, C703M/MS/MW/D NR-C703M/MS/MW/D Ref.No Original Parts No. Service Parts No. Parts Name & Description C703D C703M C703MW C703MS PCS/SET Supplier NRBF-114020-W CNRBF-11402T PIECE COVER COIL AS. TAMACO NRBF-118560-W CNRBF-11856T COVER COIL &FAN MOTOR AS. TAMACO NRBF-118540-W CNRBF-11854T...
  • Page 31 TAMAC0 03030001-1000 Printed in Taiwan...

This manual is also suitable for:

Nr-b420msNr-b420mwB480mB480msB480mwB570m ... Show all