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CAUTION

PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS BOOK
BEFORE SERVICING OR OPERATING THE REFRIGERATOR.

MODEL: LRSPC2661T

COLOR: TITANIUM

REFRIGERATOR

SERVICE MANUAL

http://biz.lgservice.com

Ref. No.
GR-D267DTU

Содержание SxS LRSPC2661T

Страница 1: ...N PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS BOOK BEFORE SERVICING OR OPERATING THE REFRIGERATOR MODEL LRSPC2661T COLOR TITANIUM REFRIGERATOR SERVICE MANUAL http biz lgservice com Ref No GR D267DTU ...

Страница 2: ... ICEMAKER AND DISPENSER OPERATION PRINCIPLE AND REPAIR METHOD 18 MICOM FUNCTION 24 EXPLANATION FOR MICOM CIRCUIT 32 CIRCUIT 52 PROBLEM DIAGNOSIS 53 PROBLEM SHOOTING 53 FAULTS 63 COOLING CYCLE HEAVY REPAIR 80 HOW TO DEAL WITH CLAIMS 87 HOW TO DISASSEMBLE AND ASSEMBLE REFRIGERATOR SECTION 92 DOOR 92 HANDLE 93 DEODORIZER 93 SHROUD GRILLE FAN 94 CONTROL BOX R 94 CASE PWB 94 ICEMAKER ASSEMBLY 95 DISPEN...

Страница 3: ... correctly engaged Remove dust and foreign materials from the housing and connecting parts 8 Do not fray damage machine heavily bend yank or twist the power cord 9 Check for evidence of moisture intrusion in the electrical components Replace the parts or mask them with insulation tape if moisture intrusion is evident 10 Do not touch the Icemaker with hands or tools to confirm the operation of gear...

Страница 4: ...c DRIER 1Ø0 83 CAPILLARY TUBE MOLECULAR SIEVE XH 7 ITEMS SPECIFICATIONS FIRST DEFROST 5 6 Hours DEFROST CYCLE 13 15 Hours DEFROSTING DEVICE Heater Sheath AL Heater Sheath ML Heater Drain ANTI SWEAT HEATER Dispenser Duct Door Heater Dispenser Heater Frame LCD Heater ANTI FREEZING HEATER Chilled Room Duct Heater Damper Heater Tube Inject Heater FREEZER LAMP 60W 1 EA REFRIGERATOR LOWER LAMP 60W 1 EA ...

Страница 5: ... Fruit Vegetable Drawer Vegetable Chilled Drawer Guide Bottle Adjust Screw right Supporter Basket Cover Adjust Screw Ieft Slide Out Cantilever Shelf Guide Bottle Vegetable Chilled Drawer Convertible Switch Wine Rack Optional Part Cover PWB Back Handle Frame Display Dispenser Lamp Remote Control Receiver Camera Mic Ice Water Dispenser Button Monitor Management Switch Reset Switch Screen ON OFF Swit...

Страница 6: ...he height of freezer door is higher than the refrigerator door Insert a driver into the groove of adjusting screw and rotate driver in arrow direction clockwise until the refrigerator becomes horizontal Insert a driver into the groove of adjusting screw and rotate driver in arrow direction clockwise until the refrigerator becomes horizontal HOW TO INSTALL REFRIGERATOR 6 Adjusting Screw Driver Heig...

Страница 7: ...fasten it by turning it clockwise by 90 degrees Note Verify that the guideline and the fastening indication line are aligned 2 Replacement of water filter While holding the lower part of the filter turn it counterclockwise by 90 degrees and pull it down Note Verify that the guideline and the loosening indication line are aligned After installing water filter Reassemble the lamp cover and the top s...

Страница 8: ...ng ice tray rotates and water comes out from the Icemaker water tube 3 The water shall be supplied two or three times into the tray The amount of water supplied for each time is small Put a water container under the ice tray and press test switch 4 When ice tray rotates the water in it will spill Collect the spilled water and throw it into the sink 5 When ice tray has finished rotation water comes...

Страница 9: ...upplying time This happens when too little water is supplied to the tray eg change 5 to 5 5 seconds 4 If ice cubes stick together decrease the water supplying time This happens when too much water is supplied into the ice tray eg change 5 to 4 5 seconds Caution When adjusting the amount of water supplied adjust in small increments Otherwise the water may spill over 3 When adjustment of control swi...

Страница 10: ...nt R134a to absorb heat in the space and a refrigerant circulation system including a compressor condenser evaporator etc to conduct phase transformation of the refrigerant 1 2 Refrigerant gas circulation Compressor Wire Condenser Hot Line Freezer Compartment Hot Line Refrigerator Compartment Drier Capillary Tube Evaporator Suction Pipe Cooling Fan 1 3 Cool Air Circulation Freezer Compartment Refr...

Страница 11: ...00 NO NAME FUNCTION REFRIGERANT IN AND OUTLET Compresses refrigerant from low 0 kg cm2 to high pressure 8 12 kg cm2 Refrigerant transforms from high pressure gas to high pressure liquid in condenser This phase transfromation dissipates heat Drier absorbs moisture in the system moisture absorption equipment Long and narrow tubes Refrigerant pressure drops rapidly as refrigerant passes through the t...

Страница 12: ...the heater cools the operating contact points move back to the fixed contact point and the compressor works again after 3 or 5 minutes NOTE Over load protector relay detects temperature and current at the same time It operates when the temperature of compressor is high even there is no current It shall also operates when over current flows even the temperature of compressor is low It is also possi...

Страница 13: ...ding on wheather one of the doors is opened or closed These control the lamps in the refrigerator and the freezer compartments The dispenser bushing button is pressed by the switch lever This turns on the dispenser lamp Operation Principles Charact eristics Lamp is not on when door is open door switch 1 Dispenser lamp is not on when bushing button is pressed 2 Ice and water are not dispensed Bad C...

Страница 14: ...pports stator and pulls the armature when electricity is applied 2 Operation Principles When electricity is applied to the coil magnetic field forms around the coil The armature in the magnetic field moves toward the stator and ice dispenses When electricity is removed the armature moves back to its original position rated stroke distance by the spring force and stops moving CAUTIONS Do not operat...

Страница 15: ...se but 1 Connector is disconnected 1 Check connecting part 1 Join connector jams on the door path 2 Solenoid for dispenser is 2 Check the resistance 2 Replace parts when ice is selected cut between terminals Resistance is infinite when it is cut Classification Application Functions Resistance Remarks Heater Sheath AL Evaporator Upper Part Evaporator Defrost 240W Heater Sheath ML Evaporator Lower P...

Страница 16: ...ough to Heater Sheath AL 3 Poor terminal contact 4 Moisture intrudes into the pipe through the crack as Heater Sheath AL Pipe and or Silicon Cap are dented 1 Replace parts Reconnect if wire is disconnected 2 Move evaporator closer to Heater Sheath AL 3 Correctly insert connector 4 Replace parts 1 The resistance is infinity when the resistance is measured at both connector ends with a tester 2 The ...

Страница 17: ...Measures 1 Heating wire is Heater Plate The temperature of chilled 1 The resistance is infinite when the 1 Replace parts cut or corroded Chilled drawer drawer is high resistance is measured at both Reconnect if the wire 2 Poor terminal duct icing on duct connector ends with a tester is cut contact 2 The resistance significantly very much 2 Correctly insert when the resistance is measured at both c...

Страница 18: ... dispensed if there is ice in the ice bin 7 When dispenser water bushing button is pressed water valve opens and water is supplied if water valve is properly installed on the right side of the machine room 8 Ice and water are not available when freezer door is open ICEMAKERANDDISPENSEROPERATIONPRINCIPLEANDREPAIRMETHOD 18 Level Icemaker Cube Mould for Initial Control after power is applied Power In...

Страница 19: ...et If the DIP switches are changed while water is being supplied the changes will take effect until the supply cycle is complets 4 When water supply signal is applied to water and ice valves at the same time during water supply water is supplied to water valve If water supply signal is applied to ice valve during water supply water is supplied to both water and ice valves 2 3 Ice Making Control Fu...

Страница 20: ...ce ejection motor has rotated in normal direction If there is no change in Hall IC signals within 1 minute after ice ejection motor operates ice ejection motor stops as ice ejection motor or Hall IC is out of order 5 If ice ejection motor or Hall IC is abnormal ice ejection motor rotates in normal direction to perform its reinitialization It resets the Icemaker if the ice ejection motor or Hall IC...

Страница 21: ...st switch When test function performs normally a buzzer sounds and the water supply function begins Check it for repair if buzzer does not sound 4 When water supply function is completed the cycle continues as follows Ice making Ice ejection Returning to horizontal conditions Water supply 5 Remove ice from the Icemaker cube mould and press test switch When Icemaker cube mould is full of ice as ice...

Страница 22: ...eck Failed Icemaker Unit Is the resistance of both ends 9 10 of ice ejection motor of CON9 between 18 and 22Ω Is ice ejection motor drive circuit IC11 and peripheral circuits normal Defects between Hall IC and Board Pin No 42 of IC1 Confirm ice ejection and level return when pressing test switch Replace Icemaker Unit Replace Main PWB Are ice ejection and level return normal when test switch is pre...

Страница 23: ... 5 seconds 2 The test switch operates when the ice maker is in the horizontal position Test function is not available during the water supply operation Ice removal control and water supply controls are not performed if ice full is detected during the operation of test function 3 If pressing the test switch for 0 5 second or more in the horizontal status ice removal operation is immediately perform...

Страница 24: ... within refrigerator Refrigeration appears to be weak at first use Please adjust temperature as shown after using refrigerator for minimum of 2 to 3 days MICOM FUNCTION 24 OFF ON WATER TEMP TEMP FILTER STATUS FILTER RESET PUSH 3 SEC ROOM TEMP UNLOCK LOCK 6 5 4 3 2 1 H M L CUBED CRUSHED Division Power Initially On 1st Press 2st Press 3th Press 4th Press Setting temperature Temperature Control Mediu...

Страница 25: ...ss the lock release button once Release text is turns off at the right side of lock graphic of LCD and Lock text is turned on indicating locked status 3 The only buzzer sound rings and function is not performed even if pressing display button other than lock release key when in the lock status 4 If desiring to release the lock status press the lock release button once Lock text turns off at the ri...

Страница 26: ...g button toggles the Super Freezer feature on and off when the feature turns on the graphic remains on after blinking once 2 Super freezing is cycles in order of Selection Release Turn On Turn Off whenever pressing the selection button 3 Super freezing is released if power failure occurs and the re frigerator then returns to the original status 4 Temperature setting is not changed even if selectin...

Страница 27: ... motor performs ON OFF control by linking with the COMP 2 It operates at the single RPM without varying RPM 3 Failure sensing method is same as freezing fan motor refer to failure diagnosis function table for failure display 2 13 Door opening alarm 1 Buzzer generates alarm sound if doors are not closed even when more than a minute consecutively has passed with doors of freezing cold storage chambe...

Страница 28: ...irst applied T E S T M O D E When the temperature of defrost sensor is above 45 C 113 F when purchased or moved to another house If there is an error in the process startup does not work Load starting sequence when freezer and refrigerator doors are closed If switch is once more pressed or the temperature of defrost sensor is above 5 C 41 F in test mode 2 it returns to test mode and starts initial...

Страница 29: ...n failure Failure of freezer sensor Failureofrefrigerator sensor1 Failureofrefrigerator sensor2 Failure of frost removal sensor Poor of frost removal FailureofBLDCFAN atfreezingsection FailureofBLDCFAN atmachinesection Failure of Communication Abnormal electronic single motor Damper Failure of Outside Sensor Failure of ice removal sensor Failure of Icemaker unit Snapping or short circuit of freeze...

Страница 30: ...ng to the normal operation 3 Function adjustment buttons do not function during test mode but only warning sound rings 4 Upon test mode completion always pull the power cord out and then plug in it again to reset to normal operation 5 If misoperations contents such as sensor failure are found during performance of test mode release the test mode and note the failure code 6 If pressing the test but...

Страница 31: ...t short circuiting of a coil due to overheating of solenoid 5 Dispenser Lamp On Off function Lamp on the dispenser part is turned on when pressing the dispenser press switch after selecting ice cubed or crushed or water The lamp turns off after releasing the dispenser switch 6 Selection function of crushed ice water cubed ice 1 This is function allows selection of crushed ice water cubed ice funct...

Страница 32: ...ary side of the switching terminal to the secondary side and the feedback part IC3 IC4 transferring control information to the primary side Caution Since high voltage DC310V is maintained at the power terminal please take a measurements after more than 3 minutes have passed after removing power cords in the abnormal operating conditions Voltages of specific test locations are shown EXPLANATION FOR...

Страница 33: ...rnal operations may cease entirely 1 3 Reset circuit The reset circuit is a circuit allowing various parts such as RAM inside of MICOM IC1 to initialize and the whole of function to start from the initial status when initial power is input or when power is reapplied again to MICOM following a spontaneous power loss A LOW DC level is applied to the reset terminal of MICOM in the beginning of power ...

Страница 34: ...n parallel toward both ends of switch to signal which door is open at MICOM Since a door switch of the home bar is connected to door switch C D of the cold storage chamber The circuit senses door opening if either door is opened The fan motor will immediately stop if opening doors of the freezing chamber or cold storage chamber during TEST mode and it immediately restarts upon closing them EXPLANA...

Страница 35: ...FOR MICOM CIRCUIT 35 Measuring part Lever SWITCH IC1 Micom No 16 On Press OFF 5V 0 V 60 Hz 5 V Measuring part IC6 13 IC6 12 IC6 11 IC6 10 IC7 12 IC7 10 IC7 16 Status ON Within 1 V OFF 12 V Type of Load GEARED MOTOR SOLENOID CUBE WATER VALVE ICE WATER SOLENOID DISPENSER HOME BAR HEATER SOLENOID PILOT ...

Страница 36: ...h ends of A and B or in failure of the L wire Lamp in the cold storage chamber does not turn on if the MICOM of the cold storage chamber fails to sense the door open switch C D or the home bar switch EXPLANATION FOR MICOM CIRCUIT 36 Closing 5 V A B C D SWITCH at both ends are at Off status Opening 5 V A B C D SWITCH at both ends are at On status Measuring part IC1 MICOM No 47 46 Pin Door of Freezi...

Страница 37: ...to an evaporator for sensing temperature of frost removal operations Short or open status checking of every temperature sensor is as follows EXPLANATION FOR MICOM CIRCUIT 37 SENSOR CHECK POINT NORMAL 30 C 50 C SHORTED OPEN 22 F 122 F Freezing sensor POINT A Voltage Frost removal sensor POINT B Voltage Cold storage sensor 1 POINT C Voltage 0 5 V 4 5 V 0 V 5 V Cold storage sensor 2 POINT D Voltage I...

Страница 38: ...aration function The above circuits are used for designating separation by model as option and notifying the MICOM Designation of option by model and the application standards are as follows u These circuits are accurately pre adjusted in shipment from factory and so you must not alter the option EXPLANATION FOR MICOM CIRCUIT 38 Separation Connection Status Application Standard Connected Export mo...

Страница 39: ...cuit performs a temporary change of speed for the fan motor and applies DC voltage ranging between 7 5V an 16V to the motor 3 This circuit futher functions to stop the fan motor further by cutting off power applied to the fan motor as it senses the fan motor s RPM EXPLANATION FOR MICOM CIRCUIT 39 a d part b part e part c f part Motor OFF 5V 2V or less 2V or less 0 V Motor ON 2 3V 12 14V 8 16V 0 V ...

Страница 40: ...ture compensation at Cold storage chamber Temperature compensation at Freezing chamber Freezing chamber Cold storage chamber Resistance value Temperature Resistance value Temperature Remarks RCF1 compensation RCR1 compensation 180 kΩ 5 C 9 F 180 kΩ 2 5 C 4 5 F Warmer 56 kΩ 4 C 7 2 F 56 kΩ 2 0 C 3 6 F compensation 33 kΩ 3 C 5 4 F 33 kΩ 1 5 C 2 7 F 18 kΩ 2 C 3 6 F 18 kΩ 1 0 C 1 8 F 12 kΩ 1 C 1 8 F 1...

Страница 41: ...own change Up Up Up Up Up Up Up 2 C 1 5 C 1 C 0 5 No 0 5 C 1 C 1 5 C 2 C 2 5 C 3 C 8 2 kΩ 3 6 F 2 7 F 1 8 F 0 9 F 0 9 F 1 8 F 2 7 F 3 6 F 4 5 F 5 4 F Down Down Down Drop change Up Up Up Up Up Up Cold storage 2 5 C 2 C 1 5 C 1 C 0 5 C No 0 5 C 1 C 1 5 C 2 C 2 5 C chamber 10 kΩ 4 5 F 3 6 F 2 7 F 1 8 F 0 9 F 0 9 F 1 8 F 2 7 F 3 6 F 4 5 F RCR1 Down Down Down Down Down change Up Up Up Up Up 3 C 2 5 C 2...

Страница 42: ...for over cold Temperature compensation value Remarks JCR3 JCR4 JCR1 JCR2 in cold storage chamber 0 C 32 F In shipment from factory CUT 1 C 1 8 F CUT 1 C 1 8 F CUT 1 C 1 8 F CUT 1 C 1 8 F CUT CUT 2 C 3 6 F CUT CUT 2 C 3 6 F CUT CUT 0 C 0 F CUT CUT 0 C 0 F CUT CUT 0 C 0 F CUT CUT 0 C 0 F CUT CUT CUT 1 C 1 8 F CUT CUT CUT 1 C 1 8 F CUT CUT CUT CUT 0 C 0 F Thermal compensation by Jumper CUT JCR1 1 C 1...

Страница 43: ... necessary display PCB for driving the display PCB is required Poor communication occurs if a continuous information exchange fail to continue for more than 30 seconds between main MICOM of main PCB and LCD dedicated MICOM for LCD control of display PCB EXPLANATION FOR MICOM CIRCUIT 43 GND 12Vdc Transmission Transmission Reception Reception PCB ASSEMBLY DISPLAY Main MICOM LCD dedicated MICOM DC 12...

Страница 44: ...red with a digital tester after separating CON8 of the PWB ASSEMBLY and the MAIN part u Resistance of the freezing sensor shall be measured with a digital tester after separating CON7 of the PWB ASSEMBLY and the MAIN part EXPLANATION FOR MICOM CIRCUIT 44 Measuring Temperature C F Freezing Sensor Cold storage sensor 1 2 Frost removal sensor Outside sensor 20 C 4 F 22 3 kΩ 77 kΩ 15 C 5 0 F 16 9 kΩ 6...

Страница 45: ...3 PWB parts diagram and list 3 1 PWB Assembly main part diagram EXPLANATION FOR MICOM CIRCUIT 45 ...

Страница 46: ...3 2 Parts list EXPLANATION FOR MICOM CIRCUIT 46 ...

Страница 47: ...EXPLANATION FOR MICOM CIRCUIT 47 WATERSUPPLYS W ...

Страница 48: ...3 3 DISPLAY ASSEMBLY part diagram EXPLANATION FOR MICOM CIRCUIT 48 ...

Страница 49: ...3 4 DISPLAY circuit diagram EXPLANATION FOR MICOM CIRCUIT 49 ...

Страница 50: ...4 PWB circuit diagram PWB circuit diagram may vary a little bit depending on actual condition EXPLANATION FOR MICOM CIRCUIT 50 PWB ASSEMBLY MAIN ...

Страница 51: ...EXPLANATION FOR MICOM CIRCUIT 51 4 2 3 1 PCB ASSEMBLY DISPLAY ...

Страница 52: ...THE CIRCUIT DRAWINGS CIRCUIT 52 ...

Страница 53: ...er faulty plug The distance between pins Pin outer diameter No power on power cord No electric power on thermostat OLP is off No electric power on compressor Faulty compressor Faulty PTC Disconnectedcopperwire Internalelectricalshort Faultyterminalcontact Disconnected Thermostatisoff Gasleakscompletely Faultyterminalconnection Capacity of OLP is small CharacteristicsofOLPareoutofspec Badconnection...

Страница 54: ...on Leaveitintheair Moisturepenetration intotherefrigerationoil Capsaremissed Airblowing Duringtransportation During work Notperformed Performed Tooshorttime Lowairpressure Lessdryair AirBlowing Leaveitintheair Capsaremissed Shortpipeinsert Pipe gaps Toomuchsolder Toolarge Damagedpipes Notdriedinthecompressor Elapsedmorethan6monthsafterdrying Capsaremissing Nopressurewhenitisopen Duringresttime Aft...

Страница 55: ...rew input Otherforeignmaterials input Parts disconnected Thermostatiscut Badcaulking connection Basematerial Ammonia Terminaliscorroded Waterpenetration Badterminalcontact Wire is cut Heatingwire Contactpoint betweenheating andelectricwire Dentbyfinevaporator Poorterminalcontacts Wire is cut Leadwire Heatingwire Contactpoint betweenheatingand electricwire Heatingwireiscorroded Waterpenetration Bad...

Страница 56: ...fanmotor Badinsulationofcasedoor SheathHeater rated Heaterplate rated Heatercord L rated Heaterplate Heatercord L Gap Badattachment Contraction Badadhesion Weakbindingforceathinge Fanmotor Door switch Selflocked Wireiscut Badterminalcontact Contact distance Buttonpressure Meltedcontact Contact Poordoor attachment Door liner dimension Contractioninner liner Misalignment Badterminal connection P U l...

Страница 57: ...is constrained Insufficient motorRPM Faultyfan Shorud Bent Iceandforeignmaterialsonrotatingparts Fanshroudcontact Clearance Dampingevaporatorcontact Accumulatedresidualfrost Fanmisuse Badshape Looseconnection Nottightlyconnected Insertdepth Ratingmisuse Smallcapacity Lowvaltage Malfunction of charging cylinder Wrongsettingofrefrigerant Insufficientcompressor Faultycompressor Fanoverload Fanmisuse ...

Страница 58: ...iquid Faulty contact Faulty temperature characteristics External air inflow Bushing motor assembly direction reverse Door opens but not closes Gap around gasket Contraction distortion loose door twisted corner not fully inserted Food vapor Storing hot food Unsealed food Door opens but doesn t close Gasket gap Cool air leak and transmitted Highambienttemperature Spaceisnotsufficientlyventilated Dif...

Страница 59: ...Compressor compartment operating sounds Compressor sound Sound from machine itself Sound from vibration Restrainer Bushing Too hard seat Distorted Aged Burnt Stopper Bad Stopper Not fit assembly inner diameter of stopper Tilted Not inserted Compressor base not connected Bad welding compressor stand fallen Foreign materials in the compressor compartment OLP sound Chattering sound Capacitor noise In...

Страница 60: ...ownfault Coregap Bad connection Correct screw connection Bad assembly Distortion Foreignmaterialsinside Badconnection Partlydamaged Notconnected Badpipecaulking Normaloperatingsound Vibrationsound Agedbushingseat Badtorqueforassemblingmotor bracket Fanguidecontact Shroudburrcontact Dampingevaporatorcontact Residualfrostcontact Unbalance Iceonthefan Airintake oppositetomotor bushingassembly Support...

Страница 61: ...ravel distance Bad connection Bad terminal contact P U liquid leak 1 Lead wire is damaged Wire damage when assembling PTC Cover Outlet burr in the bottom plate Pressed by cord heater lead wire evaporator pipe 2 Exposed terminal Compressor Compartment terminal Touching other components Freezer compartment terminal Touching evaporator pipe 3 Faulty parts Transformer Coil contacts cover Welded termin...

Страница 62: ...orlinerandinnerliner Refrigerator compartmentis openedwhenfreezer compartmentis closed faultystopper High Faultydampercontrol Buttonissetatweak Doorisopen interferenceby food No deodorizer Poorcapacity Seal condition Storespecialodorousfood Longtermstorage Odorsfromchemicalprocucts Biggerdoorfoam Hinge Pintilted Poorflatness Nowasher Nogreaseornotenough quantity Stopperwornout Badfreezercompartmen...

Страница 63: ...cord and products Replace with rated fuse Electricity leakage Check the resistance of power cord If fuse blows out High voltage with tester if it is 0Ω it is shorted frequently locate Short circuit of components the cause and remedy tracking due to moisture and dust penetration Problems Causes Checks Measures Remarks Compressor Faulty PTC Check the resistance If resistance is infinite replace it d...

Страница 64: ...utton faulty operation Determine icing cause and repair switch operation Press button to check Replace door switch Faulty button pressure and contact Press button to check operation Door cannot press door switch Door sag fix door button Check visually Door liner bent replace door or attach sheets Bad heating conditions in Check the clearance between the Keep clearance between The fan may be compre...

Страница 65: ...sure side 3 Check silver soldered parts Cu Fe Fe Fe 4 Check bending area of wire condenser pipe in compressor compartment cracks can happen during bending 5 Check other parts compressor compartment and evaporators in freezer compartment Shortage of refrigerant Check frost formation on the surface Locate the leaking area repair Drier must be replaced of evaporator in the freezer evacuate and rechar...

Страница 66: ...ing line weld If it is warm it s OK joints might be clogged If it is not condenser outlet weld Disconnect with torch remove the joints might be clogged causes evacuate and recharge and seal refrigerant Leak at loop pipe weld joint Check sequence Replace the compressor weld Drier must be replaced discharge in compressor 1 Manually check whether evacuate and recharge refrigerant condenser is warm If...

Страница 67: ...es by inserting are clogged of ice insert the copper line copper wire Turn off for more 1 Impurities through the hole to check than 3 hours and pour in hot water 2 Ice 2 Put hot water into the drain if frost is severe check drains outside 2 Put in hot water to melt down frost 3 Check the water outlet 4 Push the heater plate to sucking duct manually and assemble the disconnected parts Gap between S...

Страница 68: ...y inserting soft copper 3 Reassemble the heater plate wire into the duct soft and thin copper not to damage heating wire Bad cool air inflow and discharge 1 Turn on power open or close the 1 Check the faulty connector of and bad defrosting due to faulty door check that motor fan housing and reassemble contact and insertion bad connector operates If it operates motor fan incorrectly assembled parts...

Страница 69: ...ent Replacement should compartment Check door assembly conditions conditions or replace as necessary be done when gasket Faulty gasket Door assembly and replacement cannot be repaired Faulty assembly 3 Overcooling in the refrigerator See if refrigerator compartment Replace faulty parts compartment is overcooling when button Faulty damper in the refrigerator pressed on weak compartment Check for fa...

Страница 70: ...Check gasket attachment Correct the gasket attachement Replace gasket when it Icing in the Faulty gasket conditions conditions and replace it cannot be repaired shute Faulty assembly Check door assembly conditions Door assembly and replacement 3 Over freezing in the freezer Refrigerator operation pulls down Replace defective parts compartment Check if it is operates Faulty MICOM intermittently The...

Страница 71: ...motor 2 2 Check bushing inserting 6 Adjust fan to be in the center of conditions in pipes the fan guide 2 3 Touch pipes with hands or screw 7 Leave a clearance between driver check for change of interfering parts and seal gaps in sound the structures 8 Reassemble the parts which 3 Fan operation sound in the freezer 3 1 Check fan insertion depth and make produce sound compartment see if there is bl...

Страница 72: ...ibration 2 2 See if capillary tube touches 3 Reduce vibration with bushing 5 Other structure and parts cover back and restrainer if it is severe vibration 3 1 Check for compressor stopper especially in compressor and vibration pipes 4 1 Check for vibration of front and 4 Replace compressor stopper if it rear moving wheels vibtates severely 5 1 Touch other structures and parts Irregular sound 1 It ...

Страница 73: ...rinciples of the freezing cycle Water boiling or This happens when refrigerant passes Check for the sound when compressor Explain the principles of freezing cycles flowing sound orifice in accumulator s internal pipes is turns on and refrigerant flowing phenomenon by due to the pressure difference between Check for the sound when compressor internal pressure difference condenser and evaporator is ...

Страница 74: ...foods Dry the deodorizer with dryer and then in a birght and well ventilated place Remove and replace the deodorants Check to see if food is not wrapped See if the shelves or inner wall are stained with food juice Check the food in the adhesive wraps Check food for spoilage See if wet food is wrapped with plastic bowl or bag Certain odors are common in new refrigerator Check the deodorizer odors F...

Страница 75: ...rcuit parts 7812 7805 terminals circuit in circuit explanation PCB electric terminal Check fuse in PCB electric Replace PCB fuse fuse is burnt out terminal with a tester STR Parts are Check if STR No 2 and 3 pins Replace parts Applicable to damaged are cut when power is off model with dispenser Abnormal Bad connection Lead Wire connecting Check Lead Wire terminals Reconnect Lead display LCD betwee...

Страница 76: ...istics table of sensor in circuit Freezer sensor is Confirm the color of sensor in Repair main PCB explanation substituted for other circuits main PCB sensor sensor housing sensor housing Defective freezer fan Fan motor lead wire Check fan motor lead wire Reconnect lead motor is cut with a tester wire Defective door switch Measure the voltage between Replace door Refer to load freezer refrigerator...

Страница 77: ... Foreign materials in AC Check AC damper baffle Remove foreign damper baffles visually materials Ice formation on AC Check if AC damper Heater Replace AC damper damper baffles wire is cut with a tester or refrigerator control Box ASSEMBLY Defective refrigerator Defective refrigerator Check the resistance of Replace refrigerator Refer to sensor sensor sensor parts refrigerator sensor with a tester ...

Страница 78: ... of circuit explanation Defective Buzzer Defective connecting lead wire from Check lead wire related to door Repair lead wire buzzer continuously main PCB to door switch switch with a tester rings or door Defective door switch parts Refer to door switch in parts repair Replace door switch opening alarm guide does not work Defective Buzzer does Key input wire is cut or bad connector Check input wir...

Страница 79: ...re associated with lever Repair lead wire do not Main PCB to lever switch switch with a tester dispensed Defective lever switch parts Refer to door switch in parts repair guide Replace lever switch Defective photo coupler IC parts Check voltage change at photo coupler Replace photo output terminals when lever switch coupler IC or PCB pressed It is OK if voltage change is from 0V 5V Defective relay...

Страница 80: ...etector if oil leak is not found The electronic leak detector is very sensitive to halogen gas in the air It also can detect R141b in urethane Please practice therefore many times before use To protect from Moisture Intrusion To protect from oxide scale formation To protect from moisture penetration To remove moisture To protect mixing of mineral and ester oils To protect R12 Refrigerant mixing Do...

Страница 81: ...hile compressor operates electronic scales punching Weld carefully after pinching off the inlet pipe off flier gas welding machine Check for leakage at weld joints Electronic Leak Detector Minute leak Use electronic leak detector Driver Ruler Big leak Check visually Note Do not use soapy water for check Check cooling capacity Check radiator manually to see if warm Check hot line pipe manually to s...

Страница 82: ...3 Replacement of drier 1 Be sure to replace drier with R134a only when repairing pipes and injecting refrigerant 4 Nitrogen blowing 1 Weld under nitrogen atmosphere in order to prevent oxidation inside a pipe welding Nitrogen pressure 0 1 0 2 kg cm2 5 Others 1 Nitrogen or refrigerant R134a only should be used when cleaning and sealing inside of cycle pipes inside and sealing 2 Check leakage with a...

Страница 83: ...en blowing is not necessary because not all welding is performed for a long enough time to produce oxidation scales 3 Replacement of drier Inserting a capillary tube Measure distance with a ruler and put a mark 12 3 0 on the capillary tube Insert tube to the mark and weld it NOTE Observe the sequence for removal of refrigerant Otherwise compressor oil may leak NOTE Welding without nitrogen blowing...

Страница 84: ...g canister and measure the weight Calculate the weight of refrigerant charged into the bombe by subtracting the weight of the evacuated bombe NOTE If power is applied during vacuum degassing vacuum degassing shall be more effective Operate compressor while charging refrigerant It is easier and more certain to do like this NOTE Be sure to charge the refrigerant at around 25 C 77 F Be sure to keep 5...

Страница 85: ...rator Bombe Bushing 1 Observe the safety precautions for gas handling 2 Use JIG or wet towel in order to prevent electric wires from burning during welding In order to prevent insulation damage and consequent accidents 3 The inner case shall will melt and the insulation material polyurethane shall be damaged if care is not taken during welding of inner case parts 4 The copper piping wil oxidize fr...

Страница 86: ...ASSEMBLY HOT LINE Refrigerator PIPE ASSEMBLY HOT LINE Freezer PIPE ASSEMBLY JOINT CONDENSER ASSEMBLY WIRE PIPE ASSEMBLY SUCTION DRIER ASSEMBLY CAPI TUBE Copper Brazer Copper Brazer Copper Brazer Silver Brazer Copper Brazer Copper Brazer Copper Brazer Coppper Brazer Silver Brazer ...

Страница 87: ...tor in the refrigerator compartment expand and contract as the temperature changes during the refrigerator operation This sound also happens during defrosting twice a day when the ice on the evaporator melts Clunk sound Explain that it comes from the compressor when the refrigerator starts When the refrigerator operates the piston and motor in the compressor rotate at 3600RPM This clunk sound is c...

Страница 88: ...ing also makes sound When water Hiss noise motor sounds freezes to ice freezing sounds such as click click are heard When ice is being ejected sounds like Hiss produced by a motor to rotate an ice tray and ice dropping and hitting ice bin sounds are also heard Noise when supplying water Explain the principles of water supplied to dispenser When the water supply button in the dispenser is pressed t...

Страница 89: ...cs of ice cream The freezing point of ice cream is below 15 C 5 F Therefore ice cream may melt if it is stored in the door rack Store ice cream in a cold place or set the temperature control button of a freezer to strong setting Refrigeration is too strong Check the position of temperature control setting Check if refrigeration is strong in whole area of the refrigerator or partly near the outlet ...

Страница 90: ...ton to strong Frost in the freezer compartment Explain the basic principles of frost formation The main causes for frosting Door is left open Air penetration through the gasket Too frequent door opening parties etc Hot foods are stored before they are cooled down The temperature of freezer is 19 C 2 2 F if temperature is set at MID If hot air comes into the refrigerator fine frost forms as cold ai...

Страница 91: ...r or in secure wrapping When is the power connected When should the power be connected You can connect the power right after the installation But if the refrigerator was laid flat during transportation for a long period of time then the refrigerant and compressor oils are mixed up and this will affect badly the performance of the refrigerator Be sure to connect the power 2 3 hours after refrigerat...

Страница 92: ... bracket hinge pin is deformed during assembling freezer and refrigerator doors attach two screws Tap Tite Screw M6 Lower fixing screw in the hole of upper hinge 3 Disconnect upper hinge from a hinge supporter by grasping the front part of upper hinge and lifting up Hinge Assembly U in arrow direction A and pull forward in arrow B direction Be careful so the door does not fall down 4 Lift up the f...

Страница 93: ...river 2 Disassembly of a grille fan U Pull forward after opening hook at part with a blade screwdriver 3 Disconnect housing A of a grille fan L from the main body 4 Disassembly of a grille fan L Hold upper part of a grille fan L and pull forward carefully 5 Loosen two screws 6 Disassembly of shroud F U Disconnect housing of B after removing two rail guides with a balde screwdriver 7 Disassembly of...

Страница 94: ...art of control box and take out a control box by pulling forward and disconnect housing B from the main body 6 CASE PWB 1 Loosen ten screws in and remove cover PWB by pulling up in arrow direction 2 When disassembling the whole case PWB disassemble all housings first and push the case PWB in arrow direction to disassemble from the main body 3 When disassembling Main PWB Assembly and Sub PWB Assemb...

Страница 95: ... Model 1 How to disassemble 1 Remove ice tray assembly from the freezer compartment 2 Pull out knob from the ice tray in arrow direction At this time pull out a knob in arrow direction while shaking right and left as the knob is connected to pins in A 3 Spring can be removed by pulling ice tray in arrow direction and pulling out a spring inserted in ice tray axis from the hole of supporter ice tra...

Страница 96: ...using 4 Loosen four screws with a phillips screwdriver and pull the funnel Assembly to disconnect 5 Duct cap Assembly is disconnected if hold lever connecting screw is loosened with a phillips screwdriver 6 For assembling a duct cap Assembly insert one end of a spring into the right hole of dispenser lever and insert the other end into the right hole in upper part of dispenser And then assemble a ...

Страница 97: ...ter disconnecting the water supply pipe from a rubber inject And assemble the parts by performing disassembly in reverse order 9 2 How to disassemble the water tank and the water supply pipe 1 Disconnect the water supply pipe from a water valve on the back and lower part of the freezer 2 Disconnect the connector Assembly in water supply pipe at lower part of the freezer door 3 Pull out the water s...

Страница 98: ...E T S Inv Out T Screen Controller Touch Screen TMDS CABLE Microphone CCD Camera REMOTE CONTROLLER RECEIVER Remocon CON T REF ERROR CON T MICOM Amplifier Inverter BACKLIGHT RS 232 EXTENSION PORT USB EXTENSION PORT TV ANTENNA Digital Part ON OFF S W LAN LINE RESET BUTTON Monitor ASSEMBLY USER Input Output SPEAKER MANAGEMENT BUTTON COM2 RJ 45 LAN USB1 USB2 AV IN2 COM1 ATX POWER IN AV IN1 Parallel POR...

Страница 99: ...DIGITAL SECTION LAYOUT 99 ...

Страница 100: ... 100 ...

Страница 101: ...a controller where TV audio video input output internet functions reside 1 2 Connector Connection Diagram and Names DIGITAL PARTS MANUAL 9 11 12 14 15 17 16 18 19 13 10 SOUND OUT 8 7 6 5 4 3 POWER S W PARALLEL PORT ATX POWER IDE COM2 COM1 2 LAN 1 USB TV SOUND IN MIC IN TMDS LCD TOUCH INV TV TUNER TV IN CCD IN ...

Страница 102: ...r communication Sub controller power supply Reset management S W input Audio output External audio input reserve terminal TV sound input MIC sound input Connect to keyboard for SVC Monitor visual output T Screen communication LCD inverter power supply TV Tuner data communication External video input reserve terminal Camera visual input TV visual input Extended connecting cable LAN connecting cable...

Страница 103: ...ized 128 bit engine 6 LVDS and PaneLink Support with TMDS Transmitter 5 Sound Input Output handling Sound Input Output 1 Maker Type AD1819B 2 Maker Analog Devices 3 S N Ration 90dB 4 16 Bit Full Duplex Codec 5 Analog Input LINE CD VIDEO AUX 2 MONO MIC 6 7kHz 48kHz Sampling Rate with 1Hz Resolution 6 External Input Output handling SUPER Input Output 1 Maker Type PC97317 2 Maker National Semiconduct...

Страница 104: ...driving power remote control signal receiver Error sensing signal transmitter for refrigerator Error sensing signal receiver for refrigerator AMP driving power HEADPHONE output terminal when inserted speaker output is cut and output is done only through HEADPHONE Receiver of small signal sound emitted by MAIN CONTROLLER Section A Section B Section C Section F Section D Section H Transmits error se...

Страница 105: ...ON4 1 2 3 4 5 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 9 10 11 12 13 I I O DC 5V GND DC 5V GND REMOCON REF ERR P3 REF ERR P2 REF ERR P1 GND REF ERR P0 DC 5V N C GND TXD ENABLE CS0 CS1 DATA 0 DATA 1 DATA 2 DATA 3 DATA 4 DATA 5 DATA 6 DATA 7 N C CON4 CON5 CON6 CON7 1 2 3 4 5 6 1 2 3 1 2 3 4 1 2 3 I I O I SOUND L GND SOUND L2 SOUND R1 GND SOUND R2 SOUND R IN GND SOUND L IN GND SOUND R OUT GND SOUND L OUT AC 220...

Страница 106: ...TWORK VERSION A B C D E F G 1 2 3 4 5 6 7 R D732GRS GR D267FTU GR D267FTU GR D267DTU GR D267DTU GR D267DTU GR D267DTU KOREA ENGLISH SPAIN ENGLISH SPAIN ENGLISH ENGLISH NTSC PAL I NTSC NTSC PAL B G PAL B G NTSC STANDALONE STANDALONE STANDALONE STANDALONE STANDALONE STANDALONE STANDALONE VER 1 0 VER 1 0 VER 1 0 VER 1 0 VER 1 0 VER 1 0 VER 1 0 ATI M6 CHIPSET ATI M6 CHIPSET ATI M6 CHIPSET HARDDISK Win...

Страница 107: ...DIGITAL Storage Capacity Over 20GB Rotation Speed Over 5 400rpm Ultra DMA 100 support average seek time 9 5ms under 2 Operating Environment Operating temperature 5 C 41 F 55 C 131 F Operating humidity 8 80 3 Storage Environment Storage temperature 40 C 40 F 60 C 140 F Storage humidity 5 85 DIGITAL PARTS MANUAL 107 Connector section of hard disk projection hole Option Pin Verifies MASTER location P...

Страница 108: ...eceiving and handling the video and audio signals through cable it transmits the signals to the video input section of the main controller 4 2 Outline Diagram and INPUT OUTPUT Structure 4 2 1 Outline Diagram DIGITAL PARTS MANUAL 108 ...

Страница 109: ...vironment Storage temperature 25 C 13 F 85 C 185 F Storage humidity 95 under 35 C 95 F condition DIGITAL PARTS MANUAL 109 CONNECTOR PIN NO I O SYMBOL DESCRIPTION J1 J2 VIDEO 1 2 3 4 1 2 3 4 5 1 2 GND Output Output GND Input Input I O I O Input Output GND AUDIO LEFT OUTPUT AUDIO RIGHT OUTPUT GND POWER GND TXD RXD GND TV VIDEO Signal Output GND AUDIO L AUDIO R GND 12V GND T R GND TV OUT ...

Страница 110: ...n This is the power supplying section for driving the main controller and hard disk 5 2 Outline Diagram and INPUT OUTPUT Structure 5 2 1 Outline Diagram DIGITAL PARTS MANUAL 110 Section A Section D Section E Connect to SectionA ...

Страница 111: ...NO I O VOLTAGE OUTPUTVOLTAGERANGE COLOR REMARK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Output Output Output Output Output Output Output Output Output 3 3 3 3 GND 5 GND 5 GND GND 5 12 3 3 GND GND GND GND GND 5V 5 5 3 0 3 6 3 0 3 6 4 85 5 15 4 85 5 15 4 85 5 15 10 8 13 2 3 0 3 6 4 75 5 25 4 85 5 15 4 85 5 15 ORANGE ORANGE BLACK RED BLACK RED BLACK GRAY PURPLE YELLOW ORANGE BLACK SKY BLUE ...

Страница 112: ...P 3 15 1 XGA TFT LCD SPEC Pixel Pitch 0 300mm X 0 300mm Color Depth 8 bit 16 777 216 colors Luminance White 250cd m2 Power Consumption 2 1W Logic 9 7W CCFL Display Operating Mode TMDS 4 Operating Environment Operating temperature 0 C 32 F 50 C 122 F Operating humidity 5 90 under 40 C condition Storage Environment Storage temperature 20 C 4 F 60 C 140 F DIGITAL PARTS MANUAL 112 LCD Inverter Connect...

Страница 113: ...AL PARTS MANUAL 113 0Inverter PCB1 CONNECTOR PIN NO INPUT OUTPUT SYMBOL DESCRIPTION CN1 CN2 CN3 1 2 3 4 5 6 7 8 9 10 1 2 INPUT NC GND GND INPUT NC GND GND INPUT INPUT OUTPUT OUTPUT Dim Adjust GND GND Power System Return 5V ON 0V OFF GND GND DC 12V 1V DC 12V 1V High Voltage connection to high side of lamp Low Voltage connection to low side of lamp CTRL GND GND ON OFF GND GND Vin Vin Lamp H1 Lamp L1...

Страница 114: ...age DC 11 13V Input Current 1 1A Input Power 13 2W Output Voltage 616Vrms Output Current 9 0mArms Output Power 12W 2 lamps total Input Signal Voltage 0 3V 6 0V 5 Operating Environment Operating temperature 0 C 32 F 60 C 140 F Operating humidity 10 85 6 Storage Environment Storage temperature 30 C 22 F 80 C 176 F DIGITAL PARTS MANUAL 114 ...

Страница 115: ...log Resistive 5 line resistance film type Operating Voltage DC 5V Resolution 4 096 X 4 096 line Activation Force 57 113g Surface Hardness 3H 2 Operating Environment Operating Temperature 10 C 14 F 50 C 122 F Operating humidity 0 90 under 35 C condition 3 Storage Environment Storage Temperature 40 C 40 F 71 C 160 F Storage Humidity 240 hours in 90 under 35 C 95 F condition DIGITAL PARTS MANUAL 115 ...

Страница 116: ...e 9 2 1 Outline Diagram 9 2 2 INPUT OUTPUT Structure DIGITAL PARTS MANUAL 116 CONNECTOR PIN NO INPUT OUTPUT SYMBOL DESCRIPTION P2 P4 1 2 3 4 5 6 7 8 9 10 1 2 INPUT INPUT INPUT INPUT INPUT INPUT INPUT N C GND INPUT GND Data Carrier Detect Data Sct Ready Receive Data Ready To Send Transmit Data Clear To Send Data Terminal Ready N C Ground PIN REMOVED DC 5V Ground DCD DSR RxD RTS TxD CTS DTR N C GND ...

Страница 117: ...9 3 Connecting Method of Connector upon Replacement 9 4 Specification of parts 1 Operating Voltage DC 5V 10 2 Operating Current 160mA Peak 240mA DIGITAL PARTS MANUAL 117 A ...

Страница 118: ...ra Module Specification Operating Voltage DC 12 1V Current Consumption Max 100mA 10 Image Sensor 1 4 inch 270 000 Effective Pixel 512 H X 492 V Signal System NTSC Horizontal Frequency 15 734kHz Vertical Frequency 59 94kHz S N Ratio 48dB min Video Output Analog Composite 2 Operating Environment Operating temperature DIGITAL PARTS MANUAL 118 CONNECTOR PIN NO INPUT OUTPUT SYMBOL DESCRIPTION CN1 1 2 3...

Страница 119: ... sub controller 11 2 Outline Diagram and INPUT OUTPUT Structure 12 MICROPHONE 12 1 Function Receives external sound signal converts it to electronic signal and transmits the signal to the MIC input section of the main controller 12 2 Outline Diagram and INPUT OUTPUT Structure DIGITAL PARTS MANUAL 119 SHIELD WHITE CON MIC CMT 66 WHITE SHIELD Shrinkage Tubeø1 5 1 7 M M Shrinkage Tubeø3 5 1 7 M M ...

Страница 120: ...the sub controller into audible sounds 13 2 Outline Diagram and INPUT OUTPUT Structure 13 3 Specifications of parts Power Rating RMS 3W Peak 5W Size 110 X 42 5mm Total weight 151g Impedence 4ohm 0 6ohm Resonance Frequency 180Hz 36Hz SPL 84dB W 2dB Response F0 20kHz Distortion 5 Max DIGITAL PARTS MANUAL 120 ...

Страница 121: ...de DIGITAL PARTS MANUAL 121 LG Logo Starting HDD Sheriff Push Management SWITCH Starting HDD Sheriff Supervisor Mode Starting Windows 98 Enters the Background screen of Windows Press E with the Window key already being pressed Carry out Modification work with the Windows Explorer frame open After finishing work close whole work frame Reboot using the rebooting menu in the Windows system Starting H...

Страница 122: ...tage and proceed accordingly 5 Repeat this method until you reach a measure that solves the cause and go through the related operations and verifications Error Symptom Chart 1 Monitor does not operate normally Monitor Error Symptom 1 Only LG logo is displayed Monitor Error Symptom 2 Only stripes and white background are displayed Monitor Error Symptom 3 No display at all 2 The touch screen does no...

Страница 123: ... Yes Yes Yes No No No No No No There is no picture output whatsovever Monitor Error Symptom 3 Monitor Error Symptom 1 Only LG logo is displayed Monitor Error Symptom 2 Only stripes and white background are displayed Check input voltage of hard disk connector Yellow 12V Red 5V Check status of 1 Main Cont 2 Monitor 3 TMDS LCD Is the input voltage normal Monitor Error Symptom 3 Is the connection betw...

Страница 124: ... and reconnect Yes Yes Yes Yes Yes Yes No No No No No No Monitor Error Symptom 3 No display at all Check power input output Is the power switch on the top of the door turned on Is the power LED of the Main Cont on Is the connection between Main Cont TMDS LCD Touch INV normal Is the power supply input voltage normal AC 90 264V Is the power supply output voltage normal refer to I O structure Is the ...

Страница 125: ...l does not work replace Main Cont After checking the connection of the touch panel section if there are still issues after reconnecting replace touch panel refer to touch connection diagram Check power input of touch screen controller Is the touch screen controller LED lighted Is the touch screen controller input voltage normal refer to I O structure Does the LED go out about 2 times per second Wh...

Страница 126: ... Main Cont and CCD IN connector and reconnect If it does not operate normally even after replacing the camera replacethe Main Cont Is the connection of the microphone connector in the monitor section normal Is the connection of the Main Cont MIC IN connector normal Check the camera operation function Check the connection of the camera connector Is the input voltage of the camera connector normal r...

Страница 127: ...ntrol receiver Replace Sub Cont Reconnect after checking Main Cont parallel connector Check the change in voltage of Sub Cont CON1 No 4 5 remote control signal input when pressing the remote control button Check the operation of MICOM Sub Cont which processes the remote control input 1 Direct the remote control to the receiver monitor 2 Push the main button once Does the Sub Cont LED switch on and...

Страница 128: ...section connector Insert properly the Main Cont sound out connector Replace Main Cont End End Main Cont Sound Out Check sound output Sound out Install headphone to terminal Check normal output after replacing Sub Cont Is there any output of sound Is the connection and I O of Sub Cont CON 4 5 6 7 normal refer to I O structure Is the connection to the speaker section normal Is the output normal Is t...

Страница 129: ...f same symptom occurs after replacing TV Tuner replace Main Cont Reconnect Main Cont TV In connector End Reconnect the Main Cont TV Tuner connector Press TV Function Set Channel Auto Channel buttons Is the connection to the Main Cont TV In Connector normal Is the connection to the TV Tuner Video Out P3 connector normal Is the connection to the Main Cont TV Tuner Connector normal Does the Auto Chan...

Страница 130: ...eplacing TV Tuner replace Main Cont Reconnect the Main Cont and TV Sound In Connector Reconnect Sub Cont CON2 If same symptom occurs after replacing Sub Cont replace Main Cont and refrigerator MICOM Is the connection between the Main Cont and TV Sound Connector normal Is the connection between the TV Tuner and Sound Out P1 connector normal Check the self diagnosis function of the refrigerator Chec...

Страница 131: ...nternet Service Provider Software Installation Method 1 Connect a USB Type CD ROM to USB port 1 2 Reboot the digital section by pushing the reset switch 3 Enter the hard disk safety device in the supervisor mode 4 The CD ROM drive is set as drive E in the Windows Explorer Carry out the software addition work 1 4 COM1 Use when connecting the home network device 1 5 COM2 Use when connecting external...

Страница 132: ... TOP COVER PART 1 1 Main Controller Part Unscrew two point Disassemble after disconnecting Main Controller connections 1 16 1 2 Sub Controller Deco Case Part Disassemble after disconnecting 1 7 132 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 ...

Страница 133: ...HOW TO DISASSEMBLE AND ASSEMBLE DIGITAL SECTION 1 3 TV Tuner Part Disassemble after disconnecting 1 4 1 4 Hard Disk Part Unscrew 1 point Disassemble after disconnecting 1 2 133 4 1 2 2 1 3 ...

Страница 134: ...ssemble after disconnecting 1 6 1 7 Ref Door Part Disassemble DECO CASE after disconnecting 1 4 Disassemble COVER S disconnecting 5 10 Disassemble HINGE COVER after unscrewing 11 Disassemble the socket only when both sides are being pressed in Disassemble Disassemble REF DOOR after disconnecting HINGE 134 1 2 2 3 4 1 5 6 1 2 3 4 5 6 7 8 9 10 11 ...

Страница 135: ... MONITOR PART 135 A B C 1 Disassemble Monitor Cover Frame LCD 2 Disassemble Bracket after unscrewing 3 Disassemble MONITOR after pulling out at bottom 4 Unscrew No1 2 5 Disassemble Support Housing 6 Disassemble Monitor after removing Connecters A B C ...

Страница 136: ...FREEZER DOOR PART EXPLODED VIEW 136 212A 210C 212A 210C 210C 210A 210B 203A 203B 202A 201A 200A 206C 205F 205D 205G 205G 205F ...

Страница 137: ...REFRIGERATOR DOOR PART EXPLODED VIEW 137 232A 242A 240C 243A 240C 242A 243A 240B 264A 264B 240A 147A 147B 147C 241B 241A 231A 233A 233B 230A 243B 234A 206D 205F 205D 205G 205G 205F ...

Страница 138: ...IEW 138 272A 270A 271B 271A 120B 120B 128A 128C 120B 120B 128B 128D 135A 125A 120A 120A 120A 126A 402A 103A 400A 102A 137B 136C 136A 136B 136D 137C 403A 105B 105D 105A 135B 137B 130A 320A 408A 302A 320A 408B 320B 320B 408C 312A 401A ...

Страница 139: ...1B 161A 175A 176A 176B 142A 142C 141B 143A 143A 162A 116A 410A 115B 150A 408B 115A 270B 271B 271A 151B 151A 402A 162A 177B 177A 176C 162B 272B 150B 145A 145A 103A 401A 401B 102A 146A 141A 170A 171B 171A 141C 141B 143A 152A 152A 142A 142C 141B 143A 143A ...

Страница 140: ...DISPENSER PART EXPLODED VIEW 140 278A 278E 402C 278D 405A 275A 276A 275C 401C 275D 281A 276B 277A 278B 278C 275B 280C 280A 280B 278F 279C 501A 279D 279B 279A 280E 280D 279F ...

Страница 141: ...ICE WATER PART EXPLODED VIEW 141 601A 605A 602A 604A 603B 603A 510B 404B 614A 606A 610A 611C 611A 611B 621B 607A 612A 612B 612C 615A 616B 616C 620A 617A 613A 616E 623A 622A 616D 404A 619A 620A 600A ...

Страница 142: ...MACHINE COMPARTMENT EXPLODED VIEW 142 300A 310B 307A 304A 502B 502A 306A 310A 317B 317A 305C 305B 313A 301A 306C 307A 104A 104B 305C 305B 303C 303B 303D 303A 305A 308A 308C 309A 308B 309B 403B 309C ...

Страница 143: ...PART EXPLODED VIEW 802A 820F 820B 820C 821A 820D 820A 521A 825A 820E 821D 823B 821B 821C 823A 822A 800A 804A 803A 822B 821C 823B 824A 828A 827A 821B 821A 720B 406B 721A 723A 520F 520D 722A 720D 720D 720A 520G 721A 720D 268A ...

Страница 144: ...DIGITAL PART COMPONENTS 144 714A 709A 718A 716A 708A 704A 705A 711A 500A 713A ...

Страница 145: ... 145 702A 715A 706A 707A 712A 710A 701A 7B 407A ...

Страница 146: ...P No 3828JD8454C OCT 2002 Printed in Korea ...

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