LG 32LG6000 Service Manual
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LG 32LG6000 Service Manual

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LCD TV

SERVICE MANUAL

CHASSIS : LD89A
MODEL : 32LG6000
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Internal Use Only
website:http://biz.LGservice.com
32LG6000-ZA

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Summary of Contents for LG 32LG6000

  • Page 1: Service Manual

    Internal Use Only website:http://biz.LGservice.com LCD TV SERVICE MANUAL CHASSIS : LD89A MODEL : 32LG6000 32LG6000-ZA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    PRODUCT SAFETY ..................3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION ..............9 TROUBLE SHOOTING ................12 BLOCK DIAGRAM...................20 EXPLODED VIEW .................. 30 SVC. SHEET ....................Copyright © 2008 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes...

  • Page 3: Product Safety

    An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright © 2008 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...

  • Page 4: Servicing Precautions

    Alternatively, obtain and wear a commercially available discharging wrist strap device, which should be removed to prevent potential shock reasons prior to applying power to the Copyright © 2008 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only...
  • Page 5 CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright © 2008 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...

  • Page 6: Specification

    RGB stripe arrangement Coating Hard coating(3H), Anti-glare treatment of the front polarizer (Haze 13%) Back Light 12 Lamp(EEFL) Copyright © 2008 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
  • Page 7 84.625 VESA(WXGA) 1920X1080 66.647 59.988 138.625 WUXGA 1280X1024 63.981 60.02 SXGA(Only FHD) 1400X1050 65.317 59.978 121.75 SXGA(Only FHD) Copyright © 2008 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 84.625 VESA(WXGA) 1280X1024 63.981 60.02 SXGA(Only FHD) 1400X1050 65.317 59.978 121.75 SXGA(Only FHD) 1920*1080 66.647 59.988 138.625 WUXGA Copyright © 2008 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...

  • Page 9: Adjustment Instruction

    This spec. sheet is applied to all of the LD89A chassis RF input AV / Component / RGB input manufactured at LG TV Plant all over the world. NO SIGNAL or White noise NO SIGNAL * Adjustment can be done using only internal ADC, so input signal is not necessary.

  • Page 10: Adjustment Of White Balance

    9300K Warm 6500K * Change target luminance and range of the Auto adjustment W/B equipment. Target luminance Gamma Copyright © 2008 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
  • Page 11 Cool Medium Warm Cool Medium Warm R Gain G Gain B Gain R Cut G Cut B Cut Copyright © 2008 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...

  • Page 12: Trouble Shooting

    8. Check the INV 24V 6. Check the VSC low voltage output circuit. Voltage output. Manufacture enterprise meaning of a passage. Copyright © 2008 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
  • Page 13 Measure output voltages(16V, 12V, 5V) on the PSU. -> [Main P1000] pin1,2:16V; pin(5,6):12V; pin(9~12):5V; If the measured values are not a proper value, replace PSU. Copyright © 2008 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only...
  • Page 14 Replace the FRC B/D 3. IIC check(R109,R111) 4. P103:pin1~4 VDD 12V, LVDS Data pin P104 LVDS Data pin Copyright © 2008 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
  • Page 15 If App S/W OK then replace Main B/D. 2. Mute check:IC600 pin25 Check App S/W If App S/W OK then replace IC600. Copyright © 2008 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
  • Page 16 If App S/W OK then replace Main B/D. 2. Mute check : IC600 pin25 Check App S/W. If App S/W OK then replace IC600. Copyright © 2008 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
  • Page 17 2. L : JK102 pin5D and C613 No problem Check App S/W. If App S/W OK then replace IC100. Copyright © 2008 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
  • Page 18 If App S/W OK then replace IC200. No problem Check App S/W. If App S/W OK then replace IC100. Copyright © 2008 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...

  • Page 19: In Case Of No Sound

    L : JK102 pin5D and C613) 4. Check the Audio Signal is Normal. (SPK_L/R : L603, L604) Replace Main B/D. Copyright © 2008 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...

  • Page 20: Block Diagram

    IC500 74LVC245A 74LCX244MTC Bi-Buffer Buffer MSP4458G IC403,405,406 IC402 IC603 CI Slot (P400) 74LVC541A(PW) Buffer IC400 Tuner (TDFV-G135D1) TU300 Copyright © 2008 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
  • Page 21 2. SCART 1,2, AV3 Copyright © 2008 LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes...
  • Page 22 3. Component, RGB, HDMI, RS232 NLASB3157 IC502 Copyright © 2008 LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...
  • Page 23 4. Tuner, CI Tuner (TDFV-G135D1) TU300 PCMCIA Card Tuner (TDFV-G135D1) TU300 Copyright © 2008 LG Electronics. Inc. All right reserved. - 23 - LGE Internal Use Only Only for training and service purposes...
  • Page 24 5. Audio(MSP4458, N TP3000A) Copyright © 2008 LG Electronics. Inc. All right reserved. - 24 - LGE Internal Use Only Only for training and service purposes...

  • Page 25: Reset System

    6. Reset system Copyright © 2008 LG Electronics. Inc. All right reserved. - 25 - LGE Internal Use Only Only for training and service purposes...
  • Page 26 7. I C Control system Copyright © 2008 LG Electronics. Inc. All right reserved. - 26 - LGE Internal Use Only Only for training and service purposes...
  • Page 27 I2C for EyeQ2 Control E6/VIN2 PANEL_VCC_EN T-con B/D 12V power supply CTRL E7/VIN1 RESET Active Low Reset signal OUT Copyright © 2008 LG Electronics. Inc. All right reserved. - 27 - LGE Internal Use Only Only for training and service purposes...
  • Page 28 Level 1B : +9.5V to +12V ( peritelevision reproduction) OOB_CTX FLASH_WP HDMI_A_HPD HP_DET_S/W_3 AUDO_I2SB_DAT1 5V_ANN_CTL Not used AUDO_I2SB_DAT2 Not used 5V_ANN_MNT Copyright © 2008 LG Electronics. Inc. All right reserved. - 28 - LGE Internal Use Only Only for training and service purposes...
  • Page 29 11. Analog video & audio Front End Copyright © 2008 LG Electronics. Inc. All right reserved. - 29 - LGE Internal Use Only Only for training and service purposes...
  • Page 30 +3.3V-DOUGLAS KIA78R33F 1A 3.3V_EN MICOM +1.8V_DOUGLAS_DDR BA18DD0WHFP Rohm 1.8V_DOUGLAS_EN MICOM MP2305DS +1.2V_DOUGLAS DCDC Converter 1.2V_DOUGLAS_EN MICOM P_+16V NTP3000 Copyright © 2008 LG Electronics. Inc. All right reserved. - 30 - LGE Internal Use Only Only for training and service purposes...
  • Page 31 MEMO Copyright © 2008 LG Electronics. Inc. All right reserved. - 31 - LGE Internal Use Only Only for training and service purposes...

  • Page 32: Exploded View

    EXPLODED VIEW Copyright © 2008 LG Electronics. Inc. All right reserved. - 32 - LGE Internal Use Only Only for training and service purposes...
  • Page 33 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. GPIO, Sub-Micom Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 34 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Flash & CI Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 35 4.7K ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. TUNER Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 36 Jan., 2008 P/NO : MFL41557602 Printed in Korea...

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