LG LRBN20512WW Скачать руководство пользователя страница 39

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Loc No. Part No.

Description

Loc No. Part No.

Description

103A

3650JJ2003E

Handle,Rear

282Z

5006JJ3010A Cap,Handle

103B

3650JJ2003A

Handle,Rear

283B

4775JJ2007B Hinge Assembly,Lower

103C

3551JJ1015A

Cover Assembly,Lower

283D

4774JJ2002A Hinge,Lower

103E

5218JJ3001A

Rail,Slide

283F

MJB36873201 Stopper,Door

105A

5251JA3003B Tube Assembly,Drain

284B

3550JA3120A Cover,Connector

105F

5070JJ3002A

Skirt,Lower

284D

1STZJA3004K Screw,Customized

106A

4779JA2003A Leg Assembly,Adjust

284E

3550JJ3001A Cover,Tube

106B

4J00382C

Washer,Common

286A

4984JJ3003A BUSH

120B

5209JJ1002A

Duct Assembly,Multi

286A

4984JJ3003A BUSH

125A

3390JJ1023A

Tray,Ice

301A

5421JJ1001A Evaporator Assembly

125D

4930JJ3007A

Holder,Bracket

304A

3551JJ2008A Cover Assembly,Machinery(Rear)

128A

4975JJ2002A

Guide Assembly,Rail

305B

4580JJ3001A Roller

128B

4975JJ2002B

Guide Assembly,Rail

305C

4J04238A

Pin,Common

128E

4930JJ1012A

Holder,Rail

307A

2521CRA5715 Compressor,Set Assembly

128F

4930JJ1012B

Holder,Rail

308A

EBG32606502 Thermistor Assembly,PTC

131A

5074JJ1017A

Bucket,Ice

309A

6750C-0004S Overload Protect

135C

3550JJ2030A

Cover,Grille Fan

310A

3550JA2059A Cover,PTC

136C

3390JJ1058A

Tray,Drawer

312A

5040JA3031A Damper,Compressor

140B

5027JJ2007A

Shelf Assembly,Refrigerator

314A

4620JA3009A Stopper,Compressor

140D

MHL38615403 Shelf,Net

315A

3103JJ1001K Base Assembly,Compressor

140E

MHL38615404 Shelf,Net

317A

5851JJ2002F

Drier Assembly

142D

5026JJ2001L

Shelf,Net

318A

4930JA3034A Holder,Drier

142E

5026JJ2001M Shelf,Net

319A

3390JJ0003A Tray,Drip

143A

5027JJ1028E

Shelf Assembly,Refrigerator

319C

4974JJ1009A Guide,Fan

143B

5027JJ1015A

Shelf Assembly,Refrigerator

323B

5403JJ1008A Condenser Assembly,Wire

143E

5027JJ1008J

Shelf Assembly,Refrigerator

327A

5006JA3034A Cap,Drain Tube

143F

5027JJ1008C

Shelf Assembly,Refrigerator

328A

4J03020A

Damper,Pipe

145A

4930JJ2003A

Holder,Shelf

329A

5901JJ1005A Fan Assembly

145B

4930JJ2004A

Holder,Shelf

329C

5901JJ1004B Fan Assembly

149A

5026JJ1058A

SHELF,FREEZER

332A

3531JJ1004B Grille Assembly,Fan

151A

3390JJ1032A

Tray,Vegetable

401A

6615JB2005C Controller Assembly

151C

4940JJ2003B

Knob,Shutter

404A

4680JK1002B Motor, AC Freezing

154A

3550JL1006D Cover,TV

405A

4811JJ2002B Bracket Assembly,Motor

155B

4981JJ2001B

Supporter Assembly,Cover TV

405B

4810JA3007A Bracket,Motor

158A

3550JJ1040A

Cover,Lamp

405C

J756-00008B

Damper,Motor Support

158E

MCK30060901 Cover,Lamp

406B

6600JB1010A Switch,Push Button

167B

4890JL1002G Shelf,Glass

409B

6912JB2004M Lamp,Incandescent

170A

3391JJ2004G Tray Assembly,Meat

409D

3034JJ1002B Reflector,Lamp

200A

3581JJ8023A

Door Assembly,Freezer

410A

6621JK2002D Drawing,Assembly

201A

5433JJ0017E

Door Foam Assembly,Freezer

410G

0CZZJB2012J Capacitor,Electric Appliance Film,Box

203A

4987JJ1004C

Gasket Assembly,Door

411A

6411JK1006A Power Cord Assembly

205D

5004JJ1041A

Basket,Door

418A

5300JB1100D Heater,Sheath

212F

4810JJ3015A

Bracket,Handle

420A

4680JK1001B Motor,AC

212G

3846JD1007F Name Plate

501A

6871JB1215J PCB Assembly,Main

212J

4620JJ3007E

Stopper,Handle

501F

3551JJ1020A Cover Assembly,PCB

230A

3581JJ8046F

Door Assembly,Refrigerator

501F

3551JJ1020A Cover Assembly,PCB

231A

5433JJ0123F

Door Foam Assembly,Refrigerator

503C

6871JB2047A PCB Assembly,Display

233A

4987JJ1004D Gasket Assembly,Door

503D

3110JJ1005A Case,Display

241A

3550JL2003G Cover,Tray

503E

3550JJ2031A Cover,Display

241B

5004JJ1035A

Basket,Door

503F

ABQ33905312 Case Assembly,Display

241C

5004JJ1030A

Basket,Door

503G

3806JL1049A Decor,Control

241D

5004JJ0002A

Basket,Door

610A

3550JJ2020A Cover,Sensor

241E

5004JJ1028A

Basket,Door

619B

3550JJ2024A Cover,Valve

243A

4620JJ3006A

Stopper,Door

623H

3550JJ2036A Cover,Tube

244E

5006JJ3016A

Cap,Handle

700C

3651JJ2015D Handle Assembly,Refrigerator

244H

3650JJ0020A

Handle,Refrigerator

903A

3550JJ0005A Cover,Lower

244P

3650JJ2012A

Handle,Freezer

903B

4930JJ2021A Holder,Cover(Lower)

281A

3550JJ2013A

Cover,Hinge

903D

6500JK1003A Sensor

281B

4775JJ2003B

Hinge Assembly,Upper

903E

6500JK1004A Sensor

281E

5006JJ3014A

Cap,Hinge

B01

1STZJA3004F Screw,Customized

282B

4775JJ8002F

Hinge Assembly,Center

S01

1SZZJJ3010A Screw,Customized

282C

1PZZJJ3002F

Pin,Common

S02

1SZZJJ3010B Screw,Customized

282E

5006JJ2001A

Cap,Hinge

S22

J471-00001J

Screw,Customized

282F

3806JL2006E

Decor,Duct

S24

1SZZJA3011B Screw,Customized

282H

5006JJ3004A

Cap,Hinge

S27

4J01424C

Screw,Customized

282X

5006JJ3010A

Cap,Handle

S38

4J00415D

Screw,Customized

LRBN20512WW

#EV#

Содержание LRBN20512WW

Страница 1: ...CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL REFRIGERATOR SERVICE MANUAL MODEL LRBN20512WW ...

Страница 2: ...ins 10 Disassembly repair and servicing the sealed refrigeration system should be performed only by qualified and certified personnel Refrigerant should not be vented into the atmosphere proper recovery equipment should be used SAFETY PRECAUTIONS SAFETY PRECAUTIONS 1 SPECIFICATIONS 2 PARTS IDENTIFICATION 3 DISASSEMBLY 3 1 Door 3 2 Door switch 3 3 Fan and fan motor 3 4 Defrost control assembly 3 5 ...

Страница 3: ...Fix Non S Proof LAMP YES 2 60W blue EGG BANK NO GUIDE BOTTLE NO MAGIC CRISPER NO WINE RACK NO BASKET 2 1 3 2 2 3 1Full SHELF CAPACITY litre F R T cuft DIMENSIONS mm W H D in 176 72 382 33 559 05 6 24 13 5 19 74 MODELS SPECIFICATIONS GENERAL FEATURES WEIGHT kg lb ICE TRAY WIRE I T 2EA I B REFRIGERATOR FREEZER DEFROST SYSTEM LRBN20512WW 758 825 67 875 863 6 29 7 8 67 7 8 34 110 242 5 AUTOMATIC ...

Страница 4: ...own below may not match your model Digital Sensor Control Refrigerator Light Shelves Snack Pan Optibin Crisper Keeps fruits and vegetable fresh and crisp Ice Trays Ice Bin Wire Durabase Dairy Bin Design A Door Wire Freezer Shelf Refrigerator Door Rack Freezer Light Freezer Door Rack B C D A F E G H I J L M K N A B C D E F G H I J M N L K 4 2 PARTS IDENTIFICATION ...

Страница 5: ...Door 1 Loosen the hexagonal bolts attaching the lower hinge to the body to remove the refrigerator door only 2 Pull out the door gasket to remove from the door foam assembly 3 2 DOOR SWITCH 1 T o remove the door switch pry it out with a slotted type driver as shown in Figure 4 2 Disconnect the lead wire from the switch 3 DISASSEMBLY 5 BOLT HINGE HINGE COVER Figure 1 GASKET Figure 2 LOWER HINGE BOL...

Страница 6: ...cord from the outlet 2 Remove refrigerator shelves 3 Release the hooks on both ends of the lamp shield and pull the shield downward to remove it 4 Turn the lamp counterclockwise 5 Assemble in reverse order of disassembly Replacement bulb must be the same specification as the original Max 60 W 2EA 3 5 2 Freezer Compartment Lamp 1 Unplug refrigerator or disconnect power 2 Reach behind light shield t...

Страница 7: ...nt flow to both the start winding and main winding 4 2 3 PTC Applied Circuit Diagram Starting Method for the Motor 4 2 4 Motor Restarting and PTC Cooling 1 It requires approximately 5 minutes for the pressure to equalize before the compressor can restart 2 The PTC device generates heat during operation Therefore it must be allowed to cool before the compressor can restart 4 2 5 Relation of PTC Sta...

Страница 8: ...over Back M C 2 Remove the screw on Cover PTC 3 Remove two Housings on upper part of Cover PTC 4 T ake out the cover PTC from upper to lower position like 1 5 Turn 45 in the direction of 2 and take it out 6 Assembly in reverse order of disassembly 8 Part Customer part number Lot code date code 330 FBYY S1 BOX98 12345678 Physical termination part number Electrical characteristics part number No Nam...

Страница 9: ...K HIGH HIGH LOW LOW CON2 CON2 SB SB BN BN SB SB 1 1 2 2 5 5 4 4 3 3 6 6 2 2 GY GY 9 9 8 8 7 7 3 3 PK PK 5 5 BL BL 4 4 PK PK RD RD 8 8 YL YL 7 7 6 6 BK BK CON5 CON5 WH WH WH WH 3 3 4 4 BO BO 5 5 1 1 GY GY BO BO 6 6 S W F S W F DOOR DOOR com com S W R S W R DOOR DOOR BO BO nc nc nc nc com com com com RD RD nc nc nc nc com com PERCEPTION S W PERCEPTION S W PERCEPTION S W PERCEPTION S W B B F DOOR F D...

Страница 10: ...that power supply needs to be checked by an electrician Replace Compressor Supply voltage rating with 10 Applied voltage isn t in range of Rating Voltage 10 Remove PTC Starter from Compressor and measure voltage between T erminal C of Compressor and T erminals 5 or 6 of PTC Check resistance between M C S C and M S in Motor Compressor Check resistance of two terminals in PTC Starter Check resistanc...

Страница 11: ...ure resistance between No 5 and 6 of PTC Starter with a T ester Figure 14 Separate OLP from Compressor and check resistance value between two terminals of OLP with a T ester Figure 15 Observation value is 115V 60Hz 6 8 30 The resistance value is 0 short or open Check another electric component Replace OLP Replace PTC Starter Figure 14 Figure 15 ...

Страница 12: ...apacity Replace indicated component Advise customer that the Power supply needs to be checked by an electrician Replace indicated component Cause Check voltage at starting devices Check current flowing in sub coil of Compressor Check rating of OLP Fan motor doesn t run Heavy frost buildup on EVAPORATOR Wire is open or shorted Coil is shorted or open Open Open Replace Defrost Heater Replace indicat...

Страница 13: ...e high Is there a gap in the door gasket Is the unit positioned in a firm and even place Are any unnecessary objects placed in the back side of the unit Check if the Drip Tray is not firmly fixed Check if the cover of the compressor enclosure in the lower front side is taken out Check if the door gasket is dirty with an item like juice Is the refrigerator level Is there too much food in the refrig...

Страница 14: ...ng sound of refrigerant A little higher Normal discharging of the CLOG compartment and is heard and frost forms than ambient refrigerant Refrigerator don t in inlet only temperature The capillary tube is faulty cool normally WHOLE Freezer Flowing sound of refrigerant Equal to ambient Normal discharging of the CLOG compartment and is not heard and frost isn t temperature Refrigerant Refrigerator do...

Страница 15: ... ICE PLUS ICE PLUS operates for the rest of time after defrost is completed when ICE PLUS operation time is less than 90 minutes If ICE PLUS operates for more than 90minutes the ICE PLUS will operate for two hours after defrost is completed 3 If ICE PLUS is pressed during defrost ICE PLUS LED is on but this function will start seven minutes after defrost is completed and it shall operate for three...

Страница 16: ...ops if the sensor temperature reaches 46 4 F 8 C or more If the sensor doesn t reach 46 4 F 8 C in a hour the defrost mode is malfunctioning 4 Defrosting won t function if its sensor is defective wires are cut or short circuited OPERATING ORDERS Initial power on Temperature of Defrosting Sensor is 45 C or more when unit is newly purchased or when moved POWER ON In second COMP ON In second Freezer ...

Страница 17: ... Connecting wires on each sensor Snapping of defrost heater or Temperature fuse pull out of Connector indicated minimum 1 Hours after failure occurs All off All off All off All off All off LED OFFLED ON 1 hours later after Open or short circuit Visible in LED CHECK MODE starting defrost If sensor doesn t be over 46ºF 8ºC 5 Failure of BLDC fan motor at freezing compartment DISPLAY CHECK MODE Press ...

Страница 18: ...over 3 seconds Or press TEST S W one time in the Main PCB board Push ICEPLUS key and ADJUST key of Freezer temperature at the same time over 3 seconds being in TEST MODE1 Or press TEST S W one time being in TEST MODE 1 Push ICEPLUS key and ADJUST key of Freezer temperature at the same time over 3 seconds being in TEST MODE2 Or press TEST S W one time being in TEST MODE 2 1 Continuous operation of ...

Страница 19: ... Vdc and the MICOM and IC 5 Vdc The voltage for each part is as follows VA1 is a part for preventing over voltage and noise When high voltage is applied the inside elements are short circuited and broken resulting in blowout of the fuse in order to protect the elements of the secondary part of the TRANSFORMER PART VA 1 CE 3 CE 4 CE 5 VOLTAGE 115 Vac 12 Vdc 15 5 Vdc 5 V 19 ...

Страница 20: ...ll not work 7 2 3 Reset Circuit The RESET circuit allows all the functions to start at the initial conditions by initializing various parts including the RAM inside the MICOM IC1 when the power is initially supplied or the power supply to the MICOM is restored after a momentary power failure For the initial 10ms of power supply LOW voltage is applied to the MICOM RESET terminal During a normal ope...

Страница 21: ...zer Drive Open Door Detection Circuit 1 Load Drive Condition Check LOAD TYPE COMP NO 14 NO 12 NO 11 NO 13 1V or below 12V DEFROSTING HEATER LAMP FRENCH DOOR HEATER 1 2 DEW HEATER Measurement Location IC6 Condition ON OFF ...

Страница 22: ...riving the fan motor by cutting off power applied to the fan motor in the lock of fan motor by sensing the operation RPM of the fan motor part part MOTOR OFF 2V or less 0V MOTOR ON 13V 15V 0V a b 3 Cooling motor driving circuit machine room 1 This circuit makes standby power 0 by cutting off power supplied to Iss inside of the fan motor in the fan motor OFF 2 This circuit prevents over driving the...

Страница 23: ... 0 5 s 2 63 kz Beep OFF 0 05 s 0 1 s 0 2 s 2 s 0 V 5 V 0 V 5 V 2 63 kz Ding 2 21 kz Dong A B Tone Ding Dong when the button on the display is pushed Alarm for open door beep beep beep Pin No 14 Refrigerator Door Pin No 15 Freezer Door Closed 5 V Open 0 V Freezer Refrigerator Door Measurement Location REFRIGERATOR DOOR SWITCH FREEZER DOOR SWITCH ...

Страница 24: ...IT reads REFRIGERA TOR temperature FREEZER T emperature and DEFROST SENSOR temperature for defrosting and the indoor temperature for compensating for the surrounding temperature into MICOM OPENING or SHORT state of each TEMPERA TURE SENSOR are as follows ...

Страница 25: ...dercooling compensation circuit Table of temperature compensation by cutting JUMP WIRE to easy SVC temperature adjustments 1deg 1deg 1deg 1deg Four oprion are available for R Compensations by CUTTING JUMPWIRE Example 1 CUTTING JCR1 and JCR2 R 2 deg compensation Example 2 CUTTING JCR1 and JCR3 no compensation in R compartment Example 3 CUTTING JCR1 JCR2 and JCR3 compensation of temp 1deg 1deg 1deg ...

Страница 26: ...circuit shown above determines whether a function control key on the operation display is pushed It also turns on the corresponding function indication LED LED Module SEVEN SEGMENT DISPLAY SEVEN SEGMENT DISPLA Y MODULE The drive type is the scan type 26 ...

Страница 27: ...s in the measuring temperature This delay is necessary due to sensor response speed Measure the F SENSOR SUPER FROST SENSOR R1 R2 SENSOR after disconnect CON5 of PWB AS SY MAIN TEMPERATURE DETECTED RESISTANCE OF FREEZER RESISTANCE OF REFRIGERATOR BY SENSOR SENSOR DEFROST SENSOR ROOM SENSOR 20º C 15º C 10º C 5º C 0º C 5º C 10º C 15º C 20º C 25º C 30º C 40º C 50º C 27 ...

Страница 28: ...C is poor Replace OLP PTC after compressor shuts off COMPRESSOR RELAY is Replace MAIN PWB don t press the KEY and poor wait THE CONNECTING WIRE Check the connection of the is poor black wire of the MAIN PWB CONNECTOR CON2 2 If refrigerant is leaking Measure the amount of frost Refrigerant leakage Replace the leaking part and sticking on EVAPORATOR replace any lost refrigerant and the surface tempe...

Страница 29: ...liner damaged Replace Door liner door is closed DEFROSTING is NO DEFROSTING 1 If HEATER emits heat USE TEST MODE3 HEATER disconnection Replace HEATER poor forced DEFROSTING TEMPERATURE FUSE Replace TEMPERATURE disconnection FUSE Connection is poor Check EVAPORATOR connection and wire of MAIN PWB CONNECTOR DEFROST SENSOR is poor Replace DEFROST SENSOR HEATER RELAY is poor Replace RY2 of MAIN PWB 2 ...

Страница 30: ...7 5 MAIN PWB ASSEMBLY AND PARTS LIST 7 5 1 Main PWB Assembly 30 TOP VIEW BOTTOM VIEW ...

Страница 31: ... 31 7 5 2 Replacement Parts List ...

Страница 32: ...7 5 3 PWB Assembly Display and parts list 32 ...

Страница 33: ... 33 7 6 PWB DIAGRAM 7 6 1 PWB Main Assembly ...

Страница 34: ... 34 ...

Страница 35: ...105A 301A 283B 103B 328A 418A 281A 281B 284D 305B 305B 305C 305C 105F 323B 329C 420A 319A 319C 503D 282B 282H 410A 409D 409B 158A 405C 404A 405C 332A 135C 405A 158E 145B 409B 503C 503E 106A 120B 145A 406B 282E 903D 610A 282F 405B 329A 41 283D 284D B01 503G 503F 125D B01 106B 282C S22 903A 903B 903B 103C 623H S38 S01 EV 128E 128F 610A 903E 284E 284B 619B 327A 35 ...

Страница 36: ...FREEZER PARTS CAUTION Use the part number to order part not the position number EV 282X 136C 149A 125A 131A 36 ...

Страница 37: ...ARTS CAUTION Use the part number to order part not the position number EV 140D S24 143F 128B 128A 142E 140B 142D S24 S24 170A 103E 103E 167B 154A 151A 155B 151C 151A 143B 143A 143E 140D 140B 140E S24 S24 140E S24 37 ...

Страница 38: ...86A S27 243A 286A 244E 700C 286A 200A 203A S02 201A 282Z 281E 205D 244P 212F 244H 212F 212J 212J 241D 241C 241A 241E 241B 230A 233A 231A 286A 212G DOOR PARTS CAUTION Use the part number to order part not the position number 38 ...

Страница 39: ... Shutter 404A 4680JK1002B Motor AC Freezing 154A 3550JL1006D Cover TV 405A 4811JJ2002B Bracket Assembly Motor 155B 4981JJ2001B Supporter Assembly Cover TV 405B 4810JA3007A Bracket Motor 158A 3550JJ1040A Cover Lamp 405C J756 00008B Damper Motor Support 158E MCK30060901 Cover Lamp 406B 6600JB1010A Switch Push Button 167B 4890JL1002G Shelf Glass 409B 6912JB2004M Lamp Incandescent 170A 3391JJ2004G Tra...

Страница 40: ...P No 3828JL8089C Junio 2008 ...

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