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Service ManualRefrigerator
WARNINGThis service information is designed for experienced repair technicians only and is not designed for use by the general public.It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
There are special components used in this equipment which are important for safety. These parts are marked by in the SchematicDiagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replacedwith manufacturer’s specifi ed parts to prevent shock, fi re or other hazards. Do not modify the original design without permission ofmanufacturer.
IMPORTANT SAFETY NOTICE
Order No. PHAT080401S3
Product ColorSilver (S, SL), Silver Blue (A, SB)DestinationHong Kong, Singapore (DBD), Malaysia, Singapore (RBD),Thailand, Vietnam
NR-B19M1 NR-B191MNR-B191M-S2NR-B191MGNR-B23MG1NR-B231MGNR-B231MG-S2
CFCs have been used in refrigerant as refrigerator 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 of 1995.
© 2008 Panasonic Home Appliances (Thailand) Co.,LtdAll rights reserved. Unauthorized copying and distribution is a violation of law
Supplement
Please use this manual together with the Service Manual Order No. PHAT070901C3
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NR-B19M1 /NR-B191M /NR-B191MG /NR-B23MG1 /NR-B231MG
1. Safety Cautions for RepairingWhen you repair refrigerator, please kindly take care of following cautions.
Watch the hot parts• During operation and after operation, compressor and pipes are hot.• Also, under these condition, heater are hot.• Do not burn your fi ngers when you touch it.
Pay attention to refrigerant• Do not touch liguid refrigerant.• Otherwise, your hands may be burnt.
Pay attention to edge of parts• Otherwise, your fi ngers may be cut.
Pay attention to fi ns of evaporator and condenser• Otherwise, your fi ngers may be cut.
Before transportation, adjust adjustable bolt• Otherwise, the fl oor may be damaged.
Do not touch the pipe after brazing• Otherwise, your hands may be burnt.
Caution
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NR-B19M1 /NR-B191M /NR-B191MG /NR-B23MG1 /NR-B231MG
2. Specifi cation and Components
2.1 NR-B19M1, NR-B191M, NR-B191MG
Model NR-B191M and NR-B191MG NR-B19M1Destination Hong Kong Malaysia Sing-DBD Sing-RBD Vietnam Thailand
Plug B3P S3P L3P C2P C2P C2P
Power Source AC 220V, 50Hz 240V, 50Hz 230V, 50Hz 220V, 50Hz 220V, 50Hz 220V, 50Hz
Specifi cation
Capacity
Total volume 195L
Freezer FC 55L
Fresh food PC 140L
Internal dimensions
Width x Depth x Height
FC 422.8 mm x 312 mm x 448 mm
PC 465 mm x 408.5 mm x 721 mm
External dimensions 550 mm x 597 mm x 1400 mm
Net weight 42 kg, 45 kg (NR-B191MG)
Installation space Side : 50 mm Min, Back : 100 mm Min, Top : 300 mm Min
Energy Label Grade 1 2 tic 4 Stars rating - Level 5 -
Temperature controlFull-automatic tem. Control equipment
(PC: Control board)
Defrosting Full-automatic (Forcibly evaporated in the air)
Exterior fi nish (cabinet / door) SPCC-SD
Inner liner Vacuum formed ABS resin
Insulation Cyclopentane (RG568) foam (shell and door)
Sealed UnitCompressor DA57C11RAY5, cylinder cap A.=5.65 cm3/rev. Capacity=163W /163W, Power input=109W /110W
Evaporator Fin and tube
Condenser Single wall steel tube (zinc coat)
Refrigerant charge HFC-134a, 100 ± 5g
Lubricating oil 280 ml (Freol ∝-22)
Electric PartsDoor switch PC D3D-121 (OMRON), 250V / 0.5A , Switch type S.P.-S.T.
Fan motor 3612JL Rating= DC12V /0.3W under Applied fan=ø79.5 mm. PROP FAN (Box type)
Motor compressor Split-phase induction motor, EQ-BR12 (12), 220V / 50Hz / 140W 2poles
Lamp receptacle E14 / 22, 250 V / 2A
Lamp E14 / 22, 240 V / 15W
PC sensor (PCC) NTC B=3435K ± 2% , R25=10KΩ ± 3.0%
Defrost sensor (DFC) PTC B=3819K ± 2% , R10=3.899KΩ ± 3%
Ambient temp. sensor (ATC) PTC B=3435K ± 1% , R25=10.0KΩ ± 3%
Starting relay PTH7M330MD2
Overload protector 5TM718MFBYY
Running capacitor 401405L, 400V / 4.0 µF
Temperature fuse Micro temp. : 250V / 10A / 73°C
4
NR-B19M1 /NR-B191M /NR-B191MG /NR-B23MG1 /NR-B231MG
2. Specifi cation and Components
2.2 NR-B23MG1, NR-B231MG
Model NR-B231MG NR-B23MG1Destination Hong Kong Malaysia Sing-DBD Sing-RBD Vietnam Thailand
Plug B3P S3P L3P C2P C2P C2P
Power Source AC 220V, 50Hz 240V, 50Hz 230V, 50Hz 220V, 50Hz 220V, 50Hz 220V, 50Hz
Specifi cation
Capacity
Total volume 233L
Freezee FC 55L
Fresh food PC 178L
Internal dimensions
Width x Depth x Height
FC 422.8 mm x 312 mm x 448 mm
PC 465 mm x 408.5 mm x 911 mm
External dimensions 550 mm x 597 mm x 1590 mm
Net weight 48 kg
Installation space Side : 50 mm Min, Back : 100 mm Min, Top : 300 mm Min
Energy Laabel Grade 1 2 tic 3Stars rating - Level 5 -
Temperature controlFull-automatic tem. Control equipment
(PC: Control board)
Defrosting Full-automatic (Forcibly evaporated in the air)
Exterior fi nish (cabiner / door) SPCC-SD
Inner liner Vacuum formed ABS resin
Insulation Cyclopentane (RG568) foam (shell and door)
Sealed UnitCompressor DA57C11RAY5,cylinder cap A.=5.65 cm3/rev. Capacity=163W /163W,Power input=109W /110W
Evaporator Fin and tube
Condenser Single wall steel tube (zinc coat)
Refrigerant charge HFC-134a, 100 ± 5g
Lubricating oil 280 ml (Freol ∝-22)
Electric PartsDoor switch PC D3D-121 (OMRON), 250V / 0.5A, Switch type S.P.-S.T.
Fan motor 3612JL Rating= DC12V / 0.3W under Applied fan=ø79.5 mm. PROP FAN (Box type)
Motor compressor Split-phase induction motor, EQ-BR12 (12), 220V / 50Hz / 140W 2poles
Lamp receptacle E14 / 22,250 V / 2A
Lamp E14 / 22,240 V / 15W
PC sensor (PCC) NTC B=3435K ± 2% , R25=10KΩ ± 3.0%
Defrost sensor (DFC) PTC B=3819K ± 2% , R10=3.899KΩ ± 3%
Ambient temp. sensor (ATC) PTC B=3435K ± 1% , R25=10.0KΩ ± 3%
Starting relay PTH7M330MD2
Overload protector 5TM718MFBYY
Running capacitor 401405L, 400V / 4.0 µF
Temperature fuse Micro temp. : 250V / 10A / 73 ˚C
5
NR-B19M1 /NR-B191M /NR-B191MG /NR-B23MG1 /NR-B231MG
3. Schematic Diagram
3.1 NR-B19M1, NR-B191M, NR-B191MG
SCHEMATIC DIAGRAM
6
NR-B19M1 /NR-B191M /NR-B191MG /NR-B23MG1 /NR-B231MG
3. Schematic Diagram
3.2 NR-B23MG1, NR-B231MG
SCHEMATIC DIAGRAM
§
7
NR-B19M1 /NR-B191M /NR-B191MG /NR-B23MG1 /NR-B231MG
4. Parts LocationPart Location of NR-B19M1 /NR-B191M /NR-B191MG /NR-B23MG1 /NR-B231MG
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TRAY PCNR-B19M1, NR-B191M
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13.1
SHELF GLASS TRAYNR-B191MG
NR-B191M (SIN-RBD/VIETNAM)NR-B231MG (SIN-RBD/VIETNAM)
8
NR-B19M1 /NR-B191M /NR-B191MG /NR-B23MG1 /NR-B231MG
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4. Parts LocationPart Location of NR-B19M1 /NR-B191M /NR-B191MG /NR-B23MG1 /NR-B231MG
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NR-B19M1 /NR-B191M /NR-B191MG /NR-B23MG1 /NR-B231MG
Ref.
No.Part name Part No. Safety
Model/QtyRemarkB19M1 B191MG B191M, MG B23MG1 B231MG
TH HK HK MAL DBD RBD VIET TH HK MAL DBD RBD VIET1 COVER HINGE TOP CNRAE-136521 1 1 1 1 1 1 1 1 1 1 1 1 1 COLOUR:S,SL
CNRAE-136541 1 1 1 1 1 COLOUR:A,SB2 HINGE TOP CNRAE-136532 S 1 1 1 1 1 1 1 1 1 1 1 1 13 15-240 LAMP CNRAG-156520 1 1 1 1 1 1 1 1 1 1 1 1 14 COVER ROOM LAMP CNRAH-240891 1 1 1 1 1 1 1 1 1 1 1 1 15 DOOR SWITCH CNRAG-153290 1 1 1 1 1 1 1 1 1 1 1 1 16 PAS-B23MG1 (INSIDE) CNRBG-168210 1 1 1 1 1 1 1 1 1 1 1 1 17 BASE CONTROL CNRAC-208121 1 1 1 1 1 1 1 1 1 1 1 1 18 LABEL BASE CONTROL CNRAC-208131 1 1 1 1 1 1 1 1 1 1 1 1 19 DIAL CONTROL CNRAC-200643 1 1 1 1 1 1 1 1 1 1 1 1 1
10 LABEL NAME CNRAH-250790 S 1 COLOUR:SLCNRAH-250800 S 1 COLOUR:SBCNRAH-251390 S 1 COLOUR:SCNRAH-251400 S 1 COLOUR:ACNRAH-250750 S 1 COLOUR:SCNRAH-250760 S 1 COLOUR:ACNRAH-250720 S 1 COLOUR:SCNRAH-250730 S 1 COLOUR:SCNRAH-250770 S 1 COLOUR:SCNRAH-251720 S 1 COLOUR:SCNRAH-250700 S 1 COLOUR:SLCNRAH-250710 S 1 COLOUR:SBCNRAH-250660 S 1 COLOUR:SCNRAH-250670 S 1 COLOUR:ACNRAH-250630 S 1 COLOUR:SCNRAH-250640 S 1 COLOUR:SCNRAH-250680 S 1 COLOUR:SCNRAH-251710 S 1 COLOUR:S
11 TRAY PC CNRAH-240812 3 3 3 3 3 3SHELF GLASS TRAY CNRAH-240820 3 4 4 4 4 4 4
12 CRISPER CNRAH-240830 1 1 1 1 1 1 1 1 1 1 1 1 113 HINGE CENTER CNRAE-136502 S 1 1 1 1 1 1 1 1 1 1 1 1 1
13.1 PIN HINGE CENTER CNRAE-136582 S 1 1 1 1 1 1 1 1 1 1 1 1 114 HINGE BOTTOM CNRAE-136493 S 1 1 1 1 1 1 1 1 1 1 1 1 115 CAP PAN H.4 TS CNR39-162680 3 3 3 3 3 3 3 3 3 3 3 3 3 COLOUR:S,SL
CNR39-162550 3 3 3 3 3 COLOUR:A,SB16 ADJUSTER BOLT CNR38-992500 2 2 2 2 2 2 2 2 2 2 2 2 217 SUPPORT COIL CNRAF-163500 1 1 1 1 1 1 1 1 1 1 1 1 118 SENSOR DEFROST CNRAG-140111 1 1 1 1 1 1 1 1 1 1 1 1 119 COIL AS. CNRBF-147960 1 1 1 1 1 1 1 1 1 1 1 1 120 TEMPERATURE FUSE AS. CNRBG-165511 S 1 1 1 1 1 1 1 1 1 1 1 1 121 COVER RADIANT CNRAG-160680 1 1 1 1 1 1 1 1 1 1 1 1 122 HEATER AS. DEFROST CNRAG-160670 1 1 1 1 1 1 1 1 1 1 1 1 123 INSULATION COVER COIL CNRAF-173681 1 1 1 1 1 1 1 1 1 1 1 1 124 COVER COIL CNRAF-173641 1 1 1 1 1 1 1 1 1 1 1 1 125 TRAY ICE CNRAH-140750 1 1 1 1 1 1 1 1 1 1 1 1 126 BOX ICE CNRAH-138620 1 1 1 1 1 1 1 1 1 1 1 1 127 TRAY FC CNRAH-240872 1 1 1 1 1 1 1 1 1 1 1 1 128 CASE FCB CNRAH-240840 1 1 1 1 1 1 1 1 1 1 1 1 129 HANGER SHELL R CNRBC-299074 1 1 1 1 1 1 1 1 1 1 1 1 130 HANGER SHELL L CNRBC-299082 1 1 1 1 1 1 1 1 1 1 1 1 131 WIRING DIAGRAM CNRAH-244691 1 COLOUR:SL
CNRAH-244701 1 COLOUR:SBCNRAH-251420 1 COLOUR:SCNRAH-251430 1 COLOUR:ACNRAH-244671 1 COLOUR:SCNRAH-244681 1 COLOUR:ACNRAH-244641 1 COLOUR:SCNRAH-244651 1 COLOUR:SCNRAH-244661 1 COLOUR:SCNRAH-251780 1 COLOUR:SCNRAH-244621 1 COLOUR:SLCNRAH-244631 1 COLOUR:SBCNRAH-244601 1 COLOUR:SCNRAH-244611 1 COLOUR:ACNRAH-244571 1 COLOUR:SCNRAH-244581 1 COLOUR:SCNRAH-244591 1 COLOUR:SCNRAH-251770 1 COLOUR:S
5. Parts List and Packing ListImportant safety notice :Components identifi ed by mark have special characteristics important for safety.When replacing any of these components, use only manufacturer’s specifi ed part.
Parts List of NR-B19M1 /NR-B191M, NR-B191MG /NR-B23MG1 /NR-B231MG
10
NR-B19M1 /NR-B191M /NR-B191MG /NR-B23MG1 /NR-B231MG
5. Parts List and Packing ListParts List of NR-B19M1 /NR-B191M /NR-B191MG /NR-B23MG1 /NR-B231MGRef.
No.Part name Part No. Safety
Model/QtyRemarkB19M1 B191MG B191M, MG B23MG1 B231MG
TH HK HK MAL DBD RBD VIET TH HK MAL DBD RBD VIET32 WARNING LABEL CNRAH-240350 S 1 1
CNRAH-239732 S 1 1 1 1 1 1 1 1 1 1 133 PAN WATER EVAP. AS. CNRBF-149670 1 1 1 1 1 1 1 1 1 1 1 1 134 BOX CAPACITOR CNRAG-160850 1 1 1 1 1 1 1 1 1 1 1 1 135 MF CAPACITOR CNRAG-153360 1 1 1 1 1 1 1 1 1 1 1 1 136 PAS-B23MG1 (CONTROL) CNRBG-168200 1 1 1 1 1 1 1 1 1 1 1 1 137 BOX CAPACITOR COVER CNRAG-159022 1 1 1 1 1 1 1 1 1 1 1 1 138 SUPPLY CORD AS. (C2P) CNRBG-164170 S 1 1
SUPPLY CORD AS. (S3P) CNRBG-169230 S 1 1 1 1 1 1 1SUPPLY CORD AS. (C2P) CNRAG-161470 S 1 1 1 1
39 HEXAGON NUT 8 CNR38-8170A1 4 4 4 4 4 4 4 4 4 4 4 4 440 SPRING WASHER 8 CNR38-4270A0 4 4 4 4 4 4 4 4 4 4 4 4 441 8 WASHER CNR38-4170A0 4 4 4 4 4 4 4 4 4 4 4 4 442 COMPRESSOR DA57C11RAY5 CNR91-114650 1 1 1 1 1 1 1 1 1 1 1 1 143 OVERLOAD PROTECTOR CNR06-596410 S 1 1 1 1 1 1 1 1 1 1 1 1 144 STARTING RELAY CNR06-592700 S 1 1 1 1 1 1 1 1 1 1 1 1 145 PROTECTOR COVER CNRAG-160560 1 1 1 1 1 1 1 1 1 1 1 1 146 CLAMP PROTECTOR COVER CNRAG-160551 1 1 1 1 1 1 1 1 1 1 1 1 147 CROSSRAIL REAR CNRAF-173631 1 1 1 1 1 1 1 1 1 1 1 1 148 5 DRYER W CNR39-340920 1 1 1 1 1 1 1 1 1 1 1 1 149 RUBBER GROMMET CNR01-245970 4 4 4 4 4 4 4 4 4 4 4 4 450 CRAMPER DRYER CNR39-163081 1 1 1 1 1 1 1 1 1 1 1 1 151 SLEEVE COMPRESSOR CNRAJ-112932 4 4 4 4 4 4 4 4 4 4 4 4 452 HEXAGON 8 BOLT 40 CNR38-9924A0 4 4 4 4 4 4 4 4 4 4 4 4 453 EARTH AS. COMP. CNRBG-168610 1 1 1 1 1 1 1 1 1 1 1 1 154 FAN MOTOR CNRAG-160810 1 1 1 1 1 1 1 1 1 1 1 1 155 INSULATION DUCT PC CNRAH-240881 1 1 1 1 1 1 1 1 1 1 1 1 156 PLATE DUCT PCT CNRAH-240853 1 1 1 1 1 1 1
CNRAH-240943 1 1 1 1 1 157 PLATE DUCT PCB CNRAH-240862 1 1 1 1 1 1 1 1 1 1 1 1 158 SHUTTER CNRAH-240780 1 1 1 1 1 1 1 1 1 1 1 1 159 FILTER BIO CNRAG-158460 1 1 1 1 1 1 1 1 1 1 1 1 160 FILTER DEODORIZER CNRAG-153310 1 1 1 1 1 161 GASKET DOOR PC CNRAD-312812 1 1 1 1 1 1 1
CNRAD-312842 1 1 1 1 1 162 EMBLEM CNRAD-307954 1 1 1 1 1 1 1 1 1 1 1 1 163 DOOR AS. PC (FOAM) CNRBD-316061 1 1 1 1 1 1 1 COLOUR:S,SL
CNRBD-316071 1 1 1 COLOUR:A,SBCNRBD-316021 1 1 1 1 1 1 COLOUR:S,SLCNRBD-316031 1 1 COLOUR:A,SB
64 LATCH DOOR CNRAE-136512 1 1 1 1 1 1 1 1 1 1 1 1 165 STOPPER DOOR CNRAD-305832 1 1 1 1 1 1 1 1 1 1 1 1 166 GASKET DOOR FC CNRAD-312800 1 1 1 1 1 1 1 1 1 1 1 1 167 DOOR AS. FC (FOAM) CNRBD-315981 1 1 1 1 1 1 1 1 1 1 1 1 1 COLOUR:S,SL
CNRBD-315991 1 1 1 1 1 COLOUR:A,SB68 SHELF EGG CNRAD-312350 1 1 1 1 1 1 1 2 2 2 2 2 269 TRAY EGG 10 CNRAD-269530 1 1 1 1 1 1 1 1 1 1 1 1 170 SHELF BOTTLE CNRAD-312360 1 1 1 1 1 1 1 1 1 1 1 1 171 SUPPORTER PC CNRAD-312370 1 1 1 1 1 1 1 1 1 1 1 1 1
11
NR-B19M1 /NR-B191M /NR-B191MG /NR-B23MG1 /NR-B231MG
5. Parts List and Packing ListPacking List of NR-B19M1 /NR-B191M /NR-B191MG /NR-B23MG1 /NR-B231MG
Ref.
No.Part name Part No. Safety
Model/QtyRemarkB19M1 B191MG B191M, MG B23MG1 B231MG
TH HK HK MAL DBD RBD VIET TH HK MAL DBD RBD VIETPACKING AS. CNRBK-113331 1 COLOUR:SL
CNRBK-113341 1 COLOUR:SBCNRBK-115100 1 COLOUR:S CNRBK-115110 1 COLOUR:A CNRBK-113301 1 COLOUR:S CNRBK-113311 1 COLOUR:A CNRBK-113281 1CNRBK-113291 1CNRBK-113321 1 1CNRBK-113201 1 COLOUR:SLCNRBK-113211 1 COLOUR:SBCNRBK-113171 1 COLOUR:S CNRBK-113181 1 COLOUR:A CNRBK-113151 1CNRBK-113161 1CNRBK-113191 1 1
BOTTOM TRAY AS. CNRBK-113221 1 1CNRBK-113231 1 1 1 1 1 1 1 1 1 1 1
PLASTIC COVER CNRAJ-151650 1 1 1 1 1 1 1 1 1 1 1 1 1TOP PAD L CNRAK-137360 1 1 1 1 1 1 1 1 1 1 1 1 1TOP PAD R CNRAK-137370 1 1 1 1 1 1 1 1 1 1 1 1 1TOP PAD FRONT CNRAK-136190 1 1 1TOP PAD BACK CNRAK-136180 1 1 1PAPER PROTECTOR FRONT
CNRAK-137430 1 1CNRAK-137420 1
INSTRUCTION BOOK CNRAK-137260 1 1CNRAK-140371 1 1 1 1 1CNRAK-140380 1 1CNRAK-140360 1 1CNRAK-140380 1 1CNRAK-140640 1 1
12
NR-B19M1 /NR-B191M /NR-B191MG /NR-B23MG1 /NR-B231MG
6. Packing Location
PACKING BELT
FOAM TOP PAD L, R
PLASTIC COVER
BOTTOM TRAY AS.
STICKER BARCODE
STICKER MODEL NAME
TOP PAD BACK
TOP PAD FRONT
ONLY HONG KONG MODEL
PAPER PROTECTOR FRONT
