LG LDC22720 Series Скачать руководство пользователя

Страница: 42 / 43

LOC NO PART NO

DESCRIPTION

LOC NO PART NO

DESCRIPTION

103A

3650JJ2003H

Handle,Rear

286A

4984JJ3003A

BUSH

103B

3650JJ2003D

Handle,Rear

301A

5421JJ1001B

Evaporator Assembly

103C

3551JJ1015H

Cover Assembly,Lower

304A

3551JJ2008B

Cover Assembly,Machinery(Rear)

103E

5218JJ3001A

Rail,Slide

305B

4580JJ3001A

Roller

105A

5250JA2009B

Tube,Drain

305C

4J04238A

Pin,Common

105F

5070JJ3002A

Skirt,Lower

307A

2521JJ8008B

Compressor,Set Assembly

106A

4779JA2003A

Leg Assembly,Adjust

308A

6748JJ8005B

Thermistor,PTC

106B

4J00382C

Washer,Common

309A

6750JJ8004B

Overload Protect

120B

5209JJ1002A

Duct Assembly,Multi

310A

3550JJ8003A

Cover,PTC

125D

4930JJ3007A

Holder,Bracket

312A

5040JA3031A

Damper,Compressor

128A

4975JJ2002A

Guide Assembly,Rail

314A

4620JA3009A

Stopper,Compressor

128B

4975JJ2002B

Guide Assembly,Rail

315A

3103JJ1001J

Base Assembly,Compressor

128E

4930JJ1025A

Holder,Rail

317A

5851JJ2002F

Drier Assembly

128F

4930JJ1025B

Holder,Rail

318A

4930JA3034A

Holder,Drier

131A

5074JJ1055A

BUCKET,ICE

319A

3390JJ0004A

Tray,Drip

135C

3550JJ2030A

Cover,Grille Fan

319C

MEA41997401 Guide,Fan

136A

3391JJ1011B

Tray Assembly,Drawer

319E

4810JJ2005A

Bracket,Motor

136B

3390JJ1090A

Tray,Drawer

323B

5403JJ1007A

Condenser Assembly,Wire

140B

5027JJ2007B

Shelf Assembly,Refrigerator

327A

5006JA3034A

Cap,Drain Tube

140D

MHL38615403 Shelf,Net

328A

4J03020A

Damper,Pipe

140E

MHL38615404 Shelf,Net

329A

5901JJ1005A

Fan Assembly

142D

5026JJ2001L

Shelf,Net

329C

ADP36665702

Fan Assembly

142E

5026JJ2001M

Shelf,Net

332A

3531JJ1004A

Grille Assembly,Fan

143E

5027JJ1008K

Shelf Assembly,Refrigerator

401A

6615JB2005C

Controller Assembly

143F

5027JJ1008D

Shelf Assembly,Refrigerator

404A

4681JK1004A

AC Motor

145A

4930JJ2003A

Holder,Shelf

405A

4811JJ2002A

Bracket Assembly,Motor

145B

4930JJ2004A

Holder,Shelf

405B

5040JJ2001A

Damper,Motor Support

145C

4975JJ2028C

Guide Assembly,Rail

405C

5040JA2009B

Damper,Motor Support

145F

4975JJ2028D

Guide Assembly,Rail

405F

5040JA2004B

Damper,Motor Support

151A

3391JJ1020C

Tray Assembly,Vegetable

405G

4811JJ2002H

Bracket Assembly,Motor

151C

4940JJ2003C

KNOB,SHUTTER

406B

6600JB1004A

Switch,Push Button

154A

3550JL1006C

Cover,TV

409B

6912JB2004M

Lamp,Incandescent

155B

4981JJ2001B

Supporter Assembly,Cover TV

409D

3034JJ1002B

Reflector,Lamp

158A

3550JJ1040A

Cover,Lamp

410A

6621JK2002D

Drawing,Assembly

158E

MCK30060901 Cover,Lamp

410G

0CZZJB2012J

Capacitor,Electric Appliance Film,Box

167B

4890JL1002H

Shelf,Glass

411A

6411JK1006A

Power Cord Assembly

170A

3391JJ2004H

Tray Assembly,Meat

412D

6877JK2011B

Drawing,Assembly

200A

3581JJ8715L

Door Assembly,Freezer

418A

5300JB1100J

Heater,Sheath

201A

ADD55908402 Door Foam Assembly,Freezer

420A

4681JB1029J

Motor,DC

203A

4987JJ1004Z

Gasket Assembly,Door

501A

EBR41531303

PCB Assembly,Main

205B

5006JJ2014A

CAP,COVER

501F

3551JJ1020A

Cover Assembly,PCB

205C

5006JJ2014B

CAP,COVER

503C

6871JB2047A

PCB Assembly,Display

212A

AED37133109 Handle Assembly,Freezer

503D

3110JJ1005A

Case,Display

212G

3846JD1007H

Name Plate

503E

3550JJ2031A

Cover,Display

212J

4620JJ2010C

STOPPER,HANDLE

503F

ABQ33905301

Case Assembly,Display

230A

3581JJ8716K

Door Assembly,Refrigerator

503G

3806JL1049A

Decor,Control

231A

ADD30931304 Door Foam Assembly,Refrigerator

600A

5989JA0002N

Ice Maker Assembly,Kit

233A

ADX52752603 Gasket Assembly,Door

600C

MEA32865501 Guide,Tube

237C

4974JJ1021A

Guide,Drawer

602A

4931JA3005B

Holder Assembly,Bracket

241A

3550JL2003H

Cover,Tray

610A

3550JJ2020A

Cover,Sensor

241B

5004JJ1021A

Basket,Door

616E

5211JA2003B

Tube Assembly,Inject

241C

5005JJ2017A

Basket Assembly,Door

618A

5210JJ3006B

Tube,Inject

241D

5005JJ2020A

Basket Assembly,Door

619A

5220JA2009D

Valve,Water

241E

5005JJ2018A

Basket Assembly,Door

619B

3550JJ2024A

Cover,Valve

243A

4620JJ3006D

Stopper,Door

619C

AJU55759301

Valve Assembly,Water

244A

AED37082901 Handle Assembly,Refrigerator

621B

ACJ30147004

Connector Assembly

244E

5006JJ3016D

Cap,Handle

621C

ACJ30147003

Connector Assembly

248E

3806JJ1048A

Decor,Tray

622B

MJH36429401

Supporter,Tube Guide

248F

3806JL2011A

Decor,Tray

623C

4770JA3001A

Band

249A

5098JJ1002B

Connector Assembly

627A

4930JA3054A

Holder,Pipe

249B

5098JJ1002A

Connector Assembly

903A

3550JJ0006D

Cover,Lower

249E

5218JA1010E

Rail,Slide

903B

4930JJ2021A

Holder,Cover(Lower)

249F

5218JA1010F

Rail,Slide

903D

6500JK1003A

Sensor

249J

3550JJ1111A

Cover,Connector

903E

6500JK1004A

Sensor

249K

3550JJ1111B

Cover,Connector

B01

1STZJA3004F

Screw,Customized

250A

4270JJ3001E

Bar

S01

1SZZJJ3010A

Screw,Customized

250B

4403JJ3001A

Connector Assembly

S22

J47100001J

Screw,Customized

262D

4004JA3002A

Clip

S24

1SZZJA3011B

Screw,Customized

281A

3550JJ2013D

Cover,Hinge

S27

4J01424C

Screw,Customized

281B

4775JJ2003B

Hinge Assembly,Upper

S28

1SZZJJ3005E

Screw,Customized

282B

4775JJ8002G

Hinge Assembly,Center

S29

4J00415D

Screw,Customized

282E

5006JJ2001G

Cap,Hinge

S31

4000W4A003A Screw,Customized

282F

3806JL2006F

Decor,Duct

S38

4J00415D

Screw,Customized

282H

5006JJ3004F

Cap,Hinge

LDC22720TT

#EV#

Содержание LDC22720 Series

Страница 1: ...CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL REFRIGERATOR SERVICE MANUAL MODELS LDC22720 ...

Страница 2: ... a qualified technician Sealed system repair must be performed by a CFC certified technician 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 Lamp 3 6 Control Box Refrigerator 3 7 Multi Duct 4 ADJUSTMENT 4 1 Compressor 4 2 PTC Starter 4 3 OLP Overload Protector 4 4 To remove the cover PTC 5 CIRC...

Страница 3: ...40W blue TRAY MEAT YES SHELF 4EA FIXED MAGIC CRISPER NO LAMP YES 2 40W blue GUIDE BOTTLE NO DOOR COOOLING NO TRAY VEGETABLE Auto close ICE TRAY BANK SHELF SPECIFICATIONS FREEZER REFRIGERATOR CAPACITY GENERAL FEATURES I B 1EA BASKET DOOR 2 1 3 2 2 3 1full REFRIGERANT MODELS WIRE 1 LDC22720 22CUFT R134a 115 3 ...

Страница 4: ... models The refrigerator you have purchased may have some or all of the items listed below The locations of the features shown below may not match your model G H I J K M N L O P Q R A B C D E F G H J L N O P K M I Q R Ice Tray Inside of H Optibin Crisper Keeps fruits and vegetable fresh and crisper Chef Fresh Snack Pan Can Dispenser Temperature Control Shelves Refrigerator Light Digital Sensor Con...

Страница 5: ...NOTE This guide covers several different models The refrigerator you have purchased may have some or all of the items listed below The locations of the features shown below may not match your model G H I J K M N L O Ice Tray Inside of F Optibin Crisper Keeps fruits and vegetable fresh and crisper Chef Fresh Snack Pan Shelves Refrigerator Light Digital Sensor Control Dairy Bin Design A Door Customc...

Страница 6: ... 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 To 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 6 BOLT HINGE HINGE COVER Figure 1 GASKET Figure 2 LOWER HINGE BOL...

Страница 7: ...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 40 W 2EA 3 5 2 Freezer Compartment Lamp 1 Unplug refrigerator or disconnect power 2 Reach behind light shield t...

Страница 8: ...t 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 Star...

Страница 9: ...THE COVER PTC 9 Part Customer part number Lot code date code 330 FBYY S1 BOX98 12345678 Physical termination part number Electrical characteristics part number No Name Base phenolic UL 94 V 0 rated Movable arm support plated steel Stationary contact support plated steel Heater support plated steel Heater resistance alloy Disc thermostatic alloy Movable arm spring temper copper alloy Contact movabl...

Страница 10: ... CON3 GN WH 1 98 C FUSE M I MAKER W VALVE BK V S W Cr RD PK 2 2 CAPACITOR PART CAPACITOR PART CON6 1 BL 2 1 RD BK 5 5 6 6 4 4 3 3 PTC STARTER Cs BL COMP ACCESSORIES POWER PK PINK YL YELLOW BK BLACK GN GREEN BN BROWN PWB PCB ASSEMBLY ICE MAKER WH WHITE BL FUSE M BL B A HEATER SHEATH BO RD 72 C nc BK OLP YL S GN PART PART S GN YL M COMP EARTH COMP EARTH GN GN BL PR F LAMP nc R LAMPS D C BL nc PR PUR...

Страница 11: ... 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 Terminal C of Compressor and Terminals 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 resistance...

Страница 12: ...sure resistance between No 5 and 6 of PTC Starter with a Tester Figure 14 Separate OLP from Compressor and check resistance value between two terminals of OLP with a Tester 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 13: ...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 14: ...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 15: ...ing 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 d...

Страница 16: ...u need to press the ICE PLUS key and the LED will turn ON This function will remain activated for 24 hrs The first three hours the compressor and ICE PLUS will be ON The next 21 hours the freezer will be controlled at the lowest temperature After 24 hours or if the ICE PLUS key is pressed again the freezer will return to its previous temperature 5 For the first three hours notice the following cas...

Страница 17: ...n t function if its sensor is defective wires are cut or short circuited 7 1 8 Electrical Parts Are Turned On Sequentially Electrical parts such as COMP defrosting heater freezer FAN etc Are turned on in the following order to prevent noise and parts damage Several parts are started at the same time at initial power on and are turned off together when TEST is completed Closed Open Closed Open Clos...

Страница 18: ...frigerator sensor Failure of defrost sensor Poor of defrost Cut or short circuit wire Cut or short circuit wire Cut or short circuit wire Inspect Connecting wires on each sensor Snapping of defrost heater or Temperature fuse pull out of Connector indicated minimum 2 Hours after failure occurs All off All off All off All off LED OFF LED ON 1 hours later after starting defrost If sensor doesn t be o...

Страница 19: ...NTS REMARKS TEST1 TEST2 Reset Push ICEPLUS key and ADJUST key of Freezer temperature at the same time 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 ...

Страница 20: ... 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 385V or higher power 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 20 PART VA 1 CE 3 CE 4 CE 5 VOLTAGE 115 Vac 12 Vdc 15 5 Vdc 5 V ...

Страница 21: ...ot 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 operati...

Страница 22: ...rt part MOTOR OFF 2V or less 0V 5V MOTOR ON 13V 15V 0V 2V 3V a b c NO 12 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 is a circuit to perform a temporary change of speed for the fan motor and applies SC voltage up to 7 5V 16V to motor 3 This circuit prevents over driving the fan motor by cutting off power applied to t...

Страница 23: ...splay is pushed Alarm for open door beep beep beep 2 2 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 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...

Страница 24: ...perature into MICOM OPENING or SHORT state of each TEMPERATURE SENSOR are as follows 24 SENSOR CHECK POINT NORMAL 30 C 50 C SHORT CIRCUITED OPEN Freezer Sensor POINT Voltage Refrigerator Sensor POINT Voltage 0 5 V 4 5 V 0 V 5 V Defrosting Sensor POINT Voltage A B C 4 Open Door Detection Circuit Check Closed 5 V Open 0 V Freezer Refrigerator Door Measurement Location Pin No 15 Freezer Door Pin No 1...

Страница 25: ...tepping Motor Damper Circuit The circuit shown below is the damper circuit to regulate the refrigerator temperature 25 7 2 7 Temperature Compensation Overcooling Undercooling Compensation Circuit 1 Refrigerator Temperature Compensation ...

Страница 26: ...circuit shown below determines whether a function control key on the operation display is pushed It also tu rns 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: ...OM SENSOR 20 C 22 3 K 77 K 15 C 16 9 K 60 K 10 C 13 0 K 47 3 K 5 C 10 1 K 38 4 K 0 C 7 8 K 30 K 5 C 6 2 K 24 1 K 10 C 4 9 K 19 5 K 15 C 3 9 K 15 9 K 20 C 3 1 K 13 K 25 C 2 5 K 11 K 30 C 2 0 K 8 9 K 40 C 1 4 K 6 2 K 50 C 0 8 K 4 3 K The resistance of the SENSOR has a 5 common difference Measure the resistance of the SENSOR after leaving it for over 3 minutes in the measuring temperature This delay ...

Страница 28: ...r compressor shuts off COMPRESSOR RELAY is Replace MAIN PWB donÕt 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 temperature of the condenser pipe F...

Страница 29: ...liner damaged Replace Door liner door is closed DEFROSTING is NO DEFROSTING 1 If HEATER emits heat USE TEST MODE2 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 ...

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

Страница 32: ...7 5 3 PWB Assembly Display and Parts List 32 SW106 Best Model ...

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

Страница 34: ... 34 ...

Страница 35: ...C 305C 105F 323B 329C 420A 319A 319C 503D 282B 282H 410A 406B 409D 503F 120B 409B 158A 332A 135C 158E 145B 409B 503C 503E 106A 145A 282F 903D 610A 903E 610A CASE PARTS CAUTION Use the part number to order part not the position number B01 106B 903A 903B 903B 103C 503G B01 S22 S01 328A 8 EXPLODED VIEW REPLACEMENT PARTS LIST 125D 327A 405A 405C 405F 319E 329A 404A 405G 410G 128E 128F 619B S38 35 EV 4...

Страница 36: ...FREEZER PARTS CAUTION Use the part number to order part not the position number 136A 237C 136B 248E 248F 131A 145C 145F 36 EV ...

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

Страница 38: ...e part number to order part not the position number 233A 230A 231A 241A 241B 241E 241C 241D 243A S27 286A 286A 212G 244E 212J 250A 205B 205C 203A 200A 201A 212J 38 EV 249A 249E 250B 249J 621B 621C 250B 249B 249K 249F 244A 212A ...

Страница 39: ...CAUTION Use the part number to order part not the position number 627A 616E 622B 618A 623C EV S29 ICE MAKER PARTS 602A 600A S28 39 600C 619C S31 619A 262D ...

Страница 40: ...or Electric Appliance Film Box 167B 4890JL1002H Shelf Glass 411A 6411JK1006A Power Cord Assembly 170A 3391JJ2004H Tray Assembly Meat 412D 6877JK2011B Drawing Assembly 200A 3581JJ8715K Door Assembly Freezer 418A 5300JB1100J Heater Sheath 201A ADD55908401 Door Foam Assembly Freezer 420A 4681JB1029J Motor DC 203A 4987JJ1004Z Gasket Assembly Door 501A EBR41531303 PCB Assembly Main 205B 5006JJ2014A CAP...

Страница 41: ...or Electric Appliance Film Box 167B 4890JL1002H Shelf Glass 411A 6411JK1006A Power Cord Assembly 170A 3391JJ2004H Tray Assembly Meat 412D 6877JK2011B Drawing Assembly 200A 3581JJ8715M Door Assembly Freezer 418A 5300JB1100J Heater Sheath 201A ADD55908403 Door Foam Assembly Freezer 420A 4681JB1029J Motor DC 203A 4987JJ1004A Gasket Assembly Door 501A EBR41531303 PCB Assembly Main 205B 5006JJ2014A CAP...

Страница 42: ...or Electric Appliance Film Box 167B 4890JL1002H Shelf Glass 411A 6411JK1006A Power Cord Assembly 170A 3391JJ2004H Tray Assembly Meat 412D 6877JK2011B Drawing Assembly 200A 3581JJ8715L Door Assembly Freezer 418A 5300JB1100J Heater Sheath 201A ADD55908402 Door Foam Assembly Freezer 420A 4681JB1029J Motor DC 203A 4987JJ1004Z Gasket Assembly Door 501A EBR41531303 PCB Assembly Main 205B 5006JJ2014A CAP...

Страница 43: ...P No MFL49482601 March 2008 ...

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