LG LS-J0761NL Service Manual
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LG LS-J0761NL Service Manual

LG LS-J0761NL Service Manual

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Room Air Conditioner

SVC MANUAL(Exploded View)
MODEL : LS-J0761NL/NM/NN
LS-J0962NL/NM/NN/YL
LS-L1261NL/NM/NN
LS-K1860NL/NM/NN/YL
LS-K1861YL
LS-K18612L
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
Internal Use Only
http://biz.lgservice.com

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Summary of Contents for LG LS-J0761NL

  • Page 1: Room Air Conditioner

    Internal Use Only http://biz.lgservice.com Room Air Conditioner SVC MANUAL(Exploded View) MODEL : LS-J0761NL/NM/NN LS-J0962NL/NM/NN/YL LS-L1261NL/NM/NN LS-K1860NL/NM/NN/YL LS-K1861YL LS-K18612L CAUTION Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel.

  • Page 2: Table Of Contents

    Electronic Parts Troubleshooting Guide ................56 Electronic Control Device ..................... 67 Schematic Diagram ....................... 73 Exploded View ........................78 - 2 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 3: Functions

    Airflow Direction Control • The louver can be set at the desired position or swing up and down automatically. - 3 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 4: Outdoor Unit

    Freq. • Low speed - Nomal mode and over AC270V Discharge pipe temp. control - 4 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 5: Remote Controller

    : 1, 2, 3, 4, 5, 6, 7, Off Timer Airflow Direction Control Fan Operation Mode : Fan Operates without cooling or heating. Reset - 5 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 6: Product Specification (Cooling & Heating)

    Remocon Type L.C.D Wireless Service Valve Liquid inch(mm) 1/4''(6.35) 1/4''(6.35) 3/8''(9.52) 1/2''(12.7) Sleeping Operation Drain Hose Connecting Cable Power Cord - 6 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 7: Dimensions

    ( 12k ) ( 18k ) MODEL 7k, 9k Btu Series 12k Btu Series 18k Btu Series Unit 1,080 - 7 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 8 Gas side 3-way valve MODEL 7k, 9k, 12k Btu/h Series 18k Btu/h Series unit 543.6 11.4 72.5 86.4 74.5 - 8 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 9: Refrigeration Cycle Diagram

    Elevation Gas(inch) Liquid(inch) 7k, 9k Btu SERIES 3/8" 1/4" 12k Btu SERIES 1/2" 1/4" 18k Btu SERIES 1/2" 1/4" - 9 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 10: Wiring Diagram

    DISPLAY PCB ASM P/NO:3854A20080A P/NO:3854A90014E LS-_NL/NM/NN Series (18K Btu) LS-K18612L STEP MOTOR H.V.B A/CL RY-POWER BK BK LIMIT OPTION P/NO:3854A20080P - 10 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 11: Lge Internal Use Only

    1 ( L ) INDOOR 2 ( N ) UNIT GN/YL GN/YL CN-AC2 FILTER PWB ASM OUTDOOR WIRING DIAGRAM 3854A20080T - 11 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 12: Operation Details

    • On while in timer mode(on/off), off when timer mode is completed or canceled. Defrost Indicator • Off except when hot start during heating mode operation or while in defrost control. - 12 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 13: Heat Mode Operation

    - Power level 5: over Step 12 of COMP. operating frequency Power Level 1 Power Level 2 Power Level 3 Power Level 4 Power Level 5 - 13 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 14 - Operation frequency of compressor must be below ➃ (refer to the comp. Freq. table) - The indoor fan operates at medium speed. Indoor pipe Comp. Step 4 temp. 3°C 3˚C Comp. free - 14 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 15: Cooling Mode Operation

    Step 4 Step 8(Fc) Step 10 Step 12 7K Btu Series 9K Btu Series 12K Btu Series 18K Btu Series - 15 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 16 - 1.0˚C After 5 min OFF After 3 min off low speed - 2.0˚C OFF instantly speed - 16 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 17: Heating Mode Operation

    Step 9 Step 13(Fh) Step 15 Step 19 7K Btu Series 9K Btu Series 12K Btu Series 18K Btu Series - 17 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 18 18°C 18°C CHAOS airflow 18~30°C Fuzzy rule during opertion below 18°C 18°C Fuzzy rule over 30°C 30°C Fuzzy rule - 18 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 19 25°C at beginning 18~26°C intake air temp. -0.5°C CHAOS airflow below 18°C 18°C same as dehumidification mode during operation - 19 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 20: Swing Mode

    Mode 4 of heating 7° 7° Mode 3 Mode 3 Mode 2 Mode 2 Mode 1 Mode 1 Open Open - 20 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 21 (Closed) MODE16 MODE15 MODE14 MODE13 MODE12 MODE11 MODE00 MODE10 (Open) MODE01 MODE09 MODE02 MODE08 MODE03 MODE07 MODE05 MODE06 MODE04 - 21 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 22: Sleep Timer Operation

    Heating OFF temp. (Setting temp. +3.0˚C) 0.5˚C down 1.0˚C down Heating ON temp. (Setting temp) Sleep time ( hr ) - 22 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 23: Forced Operation

    Intake air temp. ≥ 25°C ➔ Dehumidification High speed 18~21°C 23°C Intake air temp. < 25°C ➔ Heating 24°C Heating 24°C below 18°C - 23 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 24: Power Relay Control

    • If it’s 5 times within 1 hour in case of the temperature of outdoor pipe TH is over 65°C while the compressor is operating, the appliance turns off and display ERROR CODE 6. - 24 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 25: Portection From Overheating Of Power Module

    • It will be limited the compressor operating frequency according to the compressor dome TH.(Refer to below Fig.) 130°C 118°C Fc-2 111°C 101°C Fc-1 108°C 93°C Setting frequency -13°C Fhmin -30°C - 25 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 26 Fc-1 FhMAX-3) ON(Heating cycle) 4 Way valve OFF(Cooling cycle) Outdoor fan Setting Setting speed speed Indoor fan Defrost LED - 26 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 27: Installation

    More than 70cm than 60cm • Oil trap should be installed every 5~7 meters. - 27 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 28 Hole center ø70mm ø70mm WALL Indoor Outdoor 18k Btu Left rear piping Right rear piping "D" "C" Hole center ø70mm - 28 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 29: Flaring Work And Connection Of Piping

    (not possible to put them on after flaring work) Flare nut Inclined Surface Cracked Uneven damaged thickness Even length all round Copper tube - 29 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 30 I Make a small loop with the cable for easy con- Indoor unit tubing Flare nut Pipings nection later. - 30 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 31 Plastic bands Insulation material 2. Insert the piping, drain hose and the connecting cable into the piping hole. Connecting cable Drain pipe - 31 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 32 I Tighten the flare nut with a wrench. Vinyl tape(narrow) Pipe Spanner (fixed) Connecting cable Flare nut Connection pipe Torque wrench Indoor unit tubing - 32 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 33: Connection Of The Pipes-Outdoor

    Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots(clicking sound). - 33 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 34: Connecting The Cable Between Indoor Unit And Outdoor Unit

    Main power source Circuit Breaker Conditioner Use a circuit break- er or time delay fuse. - 34 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 35 9) The means for disconnection from a power supply shall be incorporated in the fixed wiring and have an air gap contact separation of at least 3mm in each active(phase) conductors. - 35 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 36 3) If it crossed No1, No2 of fillet terminal, it must occur communication error (error code 5) but communication cir- cuit is not malfunction. 4) The related earth line must be connected for EMC. - 36 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 37: Checking The Drainage And Forming The Pipings

    Tip of drain hose Less than dipped in water 50mm gap Water Water Water Waving leakage leakage leakage Ditch Trap - 37 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 38: Air Purging

    Usually, the cylinder is used in a vertical standing standing position) position. - 38 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 39 This completes air purging with a vacuum pump. The air conditioner is now ready to test run. Vacuum pump - 39 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 40: Test Running

    2. Measure the temperature of the intake and dis- unit. charge of air. - 40 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 41: Operation

    Used to set Sleep Mode Auto operation. AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heating (turns indoor fan on/off). - 41 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 42: Operation Mode

    Heating Operation of buttons. AUTO CLEAN(OPTIONAL) • Cooling Model( ), Heat Pump Model( Used to set Auto Clean mode. - 42 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 43: Disassembly Of The Parts (Indoor Unit)

    1. To remove the sensor, housing connect, earth conductor & step motor conductor with sensor holder, Motor, Evaporator & P.C.B. - 43 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 44 • Remove 3 screws securing the evaporator (at the left 2 EA, in the Eva Holder, at the right 1EA): only LS-J series - 44 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 45 • Remove the left end of the cross-flow fan from the self-aligning bearing. - 45 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 46: 2-Way, 3-Way Valve

    Pressure check Open (with charging cylinder) Open Open (Servicing) Open Gas releasing (with charging cylinder) Open Open (Servicing) - 46 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 47 1.8kg.cm. then recharge with the specified amount of gas from a gas cylinder. - 47 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 48: Pumping Down

    – Open the low-pressure valve on the charge set slightly to air purge from the charge hose. (5) Set the 2-way valve to the closed position. - 48 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 49 (6) Disconnect the charge set and the gas cylin- der, and set the 2-way and 3-way valves to the open position. - 49 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 50 – Discharge the refrigerant gradually; if it is dis- charged too suddenly, the refrigeration oil will also be discharged. - 50 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 51 (4) Disconnect the charge hose from the vacuum pump. – Vacuum pump oil. If the vacuum pump oil becomes dirty or depleted, replenish as needed. - 51 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 52: Gas Charging

    1 minute and then repeat the procedure (pump- ing down-pin). - 52 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 53: Cycle Troubleshooting Guide

    2. The temperature can be measured by attaching the thermometer to the low pressure tubing and wrap it with putty. - 53 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 54: Self-Diagnosis Function

    Comp. dome TH is short or The LED01M will be blinking 10 Compressor will be turned off imme- open. times. diately. - 54 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 55 • Check the condition of connectors • The condition of P.C.B pattern. • The condition of P.C.B pattern. • The electronic components. - 55 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 56: Electronic Parts Troubleshooting Guide

    4) Replace IC02D. 4) IC02D(7805) 5) The voltage of micom pin 29 5) Replace IC01A. 5) IC01A(KIA7036) : DC4.5V↑ - 56 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 57 • Check the connecting circuit between Check the connecting circuit between the MICOM PIN remote controller MICOM(No.30)-R17(2Ω)-IR- • Check receiver ass'y LED-Tr-R16(2.2kΩ) - 57 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 58 Check the electrical wiring diagram of Outdoor side. Check the open or short of connecting wires between Indoor and Outdoor. - 58 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 59 The voltage of Pin No 1(orange) and 3(black) of CN-FAN. About AC 180V over About AC 50V over SSR is not damaged Check SSR - 59 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 60 If there are no problems after above checks. • Confirm the assembly condition that are catching and interfering parts in the link of the vertical louver - 60 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 61 PCB Ass'y about AC220V / 240V? Is the Bridge Diode(DB01Z) right? Replace the Bridge Diode. Replace the PCB Ass'y. - 61 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 62 Supply the refrigerant. Replace the PCB Ass'y. • Main PCB Ass'y • Sub PCB Ass'y • Control Box Ass'y - 62 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 63 • Check the PCB pattern(Resoldering). Replace the PCB Ass'y. • Main PCB Ass'y (Indoor/Outdoor) • Control Box Ass'y. - 63 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 64 Supply the refrigerant Is the refrigerant pressure right? Replace the PCB Ass'y. • Main PCB Ass'y(Outdoor) • Control Box Ass'y(Outdoor) - 64 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 65 • The operation LED blinks twice. • Enable to receive remote singnal. • Malfunctions UP/DOWN step motor. CN-U/D OPEN • Don't operate louver. - 65 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 66 • The operation LED blinks 5 times. • Malfunctions PFC & inverter circuit. CN-IPM OPEN • Stop compressor and outdoor fan. - 66 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 67: Electronic Control Device

    Electronic Control Device (1) MAIN PCB ASS'Y(INDOOR) PCB ASS'Y SVC PART LIST: 6871A20062P(LS-J0761NL), 6871A20062M(LS-J0962NL) 6871A20062N(LS-L1261NL), 6871A20062Q(LS-L1261NM) - 67 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 68 PCB ASS'Y SVC PART LIST: 6870A90048B(18K) 6871A10028A(LS-K18612L) - 68 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 69 (2) MAIN PCB ASS'Y(OUTDOOR) PCB ASS'Y SVC PART LIST : 6871A20068K(7k), 6871A20068H(9k), 6871A20068J (12k) - 69 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 70 PCB ASS'Y SVC PART LIST : 6870A90053A(18K) 6871A20127B(LS-K18612L) - 70 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 71 (3) SUB PCB ASS'Y(OUTDOOR) PCB ASS'Y SVC PART LIST : 6871A20013D(7k), 6871A20013C(9k, 12k) PCB ASS'Y SVC PART LIST : 6871A20013D(7k), 6871A20013C(9k, 12k) - 71 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 72 PCB ASS'Y SVC PART LIST(LS-_NL Series) : 6871A30016A(7k, 9k), 6871A30016B(12k), 6871A30016F(LS-K18612L) PCB ASS'Y SVC PART LIST(LS-_NM/NN Series) : 6871A20099A(7k, 9k, 12k) PCB ASS'Y SVC PART LIST: 6870A90019B(18k) - 72 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 73: Schematic Diagram

    Schematic Diagram 7k, 9k, 12k Series(Indoor): LS-_NL Series - 73 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 74 7k, 9k, 12k Series(Indoor): LS-_NM/NN Series - 74 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 75 18k Series (Indoor) - 75 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 76 7k, 9k, 12k Series(Outdoor) - 76 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 77 18k Series(Outdoor) - 77 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 78: Exploded View

    268711B 352116 352150 264110 146811 131410 147581A 342800 147581B 249951 354210 135311 159830 268711A 152302 135316 152313 267110 135314 - 78 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 79 352115 268711B 352116 352150 264110 146811 131410 147581A 342800 147581B 249951 354210 135311 268711A 152302 135316 152313 267110 135314 - 79 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 80 35211B 352115 268711B 352116 352150 264110 146811 131410 147581A 342800 147581B 249951 354210 135311 268711A 152302 135316 267110 135314 - 80 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 81 352115 268711B 352116 352150 264110 146811 131410 147581 342800 249951 354210 135311 159830 268711A 152302 135316 152313 267110 135314 - 81 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 82 35211B 352115 268711B 352116 352150 264110 146811 131410 147581 342800 249951 354210 135311 268711A 152302 135316 152313 267110 135314 - 82 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 83 263230 35211B 352115 268711B 352116 352150 264110 146811 131410 147581 342800 249951 354210 135311 268711A 152302 135316 267110 135314 - 83 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 84 268711G 559010 7K, 9K, 12K Series 447910 552116 349480 552202 561410 554160 437210 550140 552203B 437211 435301 552203A 430411 - 84 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 85 FEBRUARY, 2008 P/NO : 3828A20061B...

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