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LG 55LV555H Service Manual
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LG 55LV555H Service Manual

LG 55LV555H Service Manual

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LCD TV

SERVICE MANUAL

CHASSIS : LA05E
MODEL : 55LV555H
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67121704 (1111-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
55LV555H-UA
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
Printed in Korea

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Summary of Contents for LG 55LV555H

  • Page 1: Service Manual

    Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LCD TV SERVICE MANUAL CHASSIS : LA05E MODEL : 55LV555H 55LV555H-UA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL67121704 (1111-REV00) Printed in Korea...

  • Page 2: Table Of Contents

    CONTENTS ....................2 SAFETY PRECAUTIONS ................. 3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION .............. 12 EXPLODED VIEW .................. 21 SVC. SHEET ....................Copyright LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes...

  • Page 3: Safety Precautions

    An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright 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 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
  • Page 5 CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...

  • Page 6: Specification

    Temp : 0 ~ 40 deg Humidity : ~ 80 % Storage Environment Temp : -20 ~ 60 deg Humidity : -85 % Copyright LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
  • Page 7 0.258 0.273 0.288 ±0.015 for Adjustment Medium 0.270 0.285 0.300 0.278 0.293 0.308 Warm 0.298 0.313 0.324 0.314 0.329 0.344 Copyright LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 0.258 0.273 0.288 ±0.015 for Adjustment Medium 0.270 0.285 0.300 0.278 0.293 0.308 Warm 0.298 0.313 0.324 0.314 0.329 0.344 Copyright LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
  • Page 9 0.258 0.273 0.288 ±0.015 for Adjustment Medium 0.270 0.285 0.300 0.278 0.293 0.308 Warm 0.298 0.313 0.324 0.314 0.329 0.344 Copyright LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
  • Page 10 108.00 VESA (SXGA) 1280*1024 79.976 75.025 VESA (SXGA) 1600*1200 75.000 60.000 VESA (UXGA) 1920*1080 66.587 59.934 138.50 WUXGA (Reduced Blanking) Copyright LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
  • Page 11 HDTV 1080P 1920*1080 26.97 23.976 74.176 HDTV 1080P 1920*1080 33.75 30.000 74.25 HDTV 1080P 1920*1080 33.71 29.97 74.176 HDTV 1080P Copyright LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...

  • Page 12: Adjustment Instruction

    - ad 00 10 [Adjust 1080p RGB] • USB Download(S/W Update, Option, Service only) - ad 00 90 End adj. • ISP Download(Option) Copyright LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
  • Page 13 6) If ADC calibration is failure, after recheck ADC pattern or condition retry calibration Error message refer to Copyright LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
  • Page 14 • RGB [C/S: DE] EDID Block 0 table = EDID Block 1 table = • HDMIII [C/S: F581] EDID Block 0 table = Copyright LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...

  • Page 15: White Balance Adjustment

    Adj. menu 6.White Balance, you can select one of 2 Test-pattern: ON, OFF. Default is inner(ON). By selecting OFF, you can adjust using RF signal in 216 Gray pattern. Copyright LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
  • Page 16 50-79 80-149 Over 150 5.4. HDCP (High-Bandwidth Digital Contents Protection) SETTING - HDCP setting is not necessary in This Chassis. Copyright LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
  • Page 17 Country option, select US, CA, MX. Selection is NEUTRAL done using +, - KEY • LEAKAGE CURRENT: At 0.5mArms Copyright LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
  • Page 18 1) Push "IN-START" key in service remote controller. 2) Select "Tool Option 1" and Push “OK” button. 3) Punch in the number. (Each model has their number.) Copyright LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
  • Page 19 4) Checking b-LAN MAC Address Check whether it is same their address numbers or not between B-LAN Label and on the pc address numbers. Copyright LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
  • Page 20 13. Serial number download. Connect Bar Code scan equipment and TV set by RS-232C cable. 1) E2PROM Data Write 2) E2PROM Data Read Copyright LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...

  • Page 21: Exploded View

    X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. - 21 - Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 22 PStoPDF trial version. http://www.oakdoc.com IC101 +1.26V_TU +3.3V_AVDD_PDMOD +3.3V_TU AZ1117BH-ADJTRE1 +3.3V R134 +3.3V_TU INPUT OUTPUT C119 C122 L110 27pF 27pF 60mA BLM18PG121SN1D X100 C143 C103 C120 0 . 1 u F 25MHz C121 C123 0 . 1 u F 0 . 1 u F 6.3V 22uF ADJ/GND...
  • Page 23 PStoPDF trial version. http://www.oakdoc.com HDMI_0 (Side) +5V_DEVICE R252 R206 9:AJ17 9:AJ18 R210 SDA_HDMI_0 11:AA16 R234 SCL_HDMI_0 11:AA17 D200 R240 R259 R246 D0_GND R209 R200 D1_GND R233 R249 D2_GND R201 JK200 HDMI_1 (Rear) +5V_DEVICE R226 R231 9:AJ17 9:AJ17 R220 SDA_HDMI_1 11:AA11 R242 SCL_HDMI_1 11:AA11...
  • Page 24 PStoPDF trial version. http://www.oakdoc.com PWM AUDIO AMP SPK_L+ AI23 +24V L307 C326 10.0uH L300 390pF BLM18PG121SN1D C328 SPEAKER_L 0 . 4 7 u F C327 390pF L306 10.0uH SPK_L- AI22 +3.3V C340 R362 6.3V /AUDIO_RESET 9 : A I 9 ; 9 : A J 2 6 C300 1000pF R353...
  • Page 25 PStoPDF trial version. http://www.oakdoc.com * FROM LIPS & POWER B/D -->Apply changed Pin Map R428 POWER_18_INV_CTL +3.5V_ST INV_CTL_18 R461 POWER_18_A_DIM A_DIM +3.5V_ST R421 POWER_20_A_DIM R414 4.7K A_DIM A_DIM_20 POWER_20_PWM_DIM R417 +24V L410 PWM_DIM R426 MLB-201209-0120P-N2 +5V_DEVICE RT1P141C-T112 Q408 C411 C407 C405 2SC3052 0 .
  • Page 26 PStoPDF trial version. http://www.oakdoc.com +12V Q508 L503 AO3407A BLM18PG121SN1D +3.3V_ST_PTC +3.3V_ST_PTC C507 C519 47uF +5V_ST R5062 Q511 C517 AO3407A IC505 FM24C16B Q5001 NC_1 JK500 RESET_high +3.3V_ST_PTC 2SC3052 MJ-657PT-8-SD 14:C23 C5002 PTC_DEBUG wafer 0 . 1 u F NC_2 P501 NC_3 YFDW254-14S R5015 RJP_CTRL0...
  • Page 27 * EMI GASKET PStoPDF trial version. http://www.oakdoc.com ( p r o t e c t i o n o f D D R n o i s e e m i s s i o n ) K4T1G084QF-BCF8 K4T1G084QF-BCF8 K4T1G084QF-BCF8 K4T1G084QF-BCF8 IC604-*1 IC605-*1...
  • Page 28 PStoPDF trial version. http://www.oakdoc.com PANEL WAFER +12V_TCON L700 BLM18PG121SN1D P701 FI-RE51S-HF-J-R1500 JP710 FHD_60HZ P702 FF10001-30 R724 10:W27 10:W26 10:W27 10:W25 10:W26 10:W26 10:W26 10:W26 10:W25 10:W25 10:W27 10:W27 BIT_SEL +3.3V 10:W25 R703 10:W25 3.3K LVDS_SEL FROM IR & LED & KEY 10:W24 BIT_SEL_HIGH 10:W24...
  • Page 29 PStoPDF trial version. http://www.oakdoc.com +3.3V_PROIDIOM +3.3V_PROIDIOM +3.3V_PROIDIOM +3.3V_PROIDIOM +VCCINT_1.5V L802 L803 BLM18PG121SN1D BLM18PG121SN1D +3.3V +3.3V_PROIDIOM L801 TP801 BLM18PG121SN1D NFM18PS105R0J L800 C814 6.3V BLM18PG121SN1D C802 100uF 6.3V R811 10:N26 RMX0_CLK +3.3V_PROIDIOM R812 9:AJ21 RMX0_VALID R813 10:N25 RMX0_SYNC R819 R814 4.7K 10:N26 RMX0_DATA LGDT1129 CLK1...
  • Page 30 +3.3V PStoPDF trial version. http://www.oakdoc.com +3.3V M o d u l e o p t i o n R961 +3.3V POWER DETECT 4.7K IC100 LGD_GPIO LGE3549XSP P22(3D PIP) GPIO HIGH MINI_LVDS AUO_GPIO R962 4.7K GPIO_00 LVDS +3.3V GPIO_01 GPIO_02 R951 +3.5V_ST +24V +12V...
  • Page 31 PStoPDF trial version. http://www.oakdoc.com IC100 LGE3549XSP P22(3D PIP) BCM3549 POWER R1082 1:AL17 O_BRCM_PKT0_CLK PKT0_CLK LVDS_TX_0_DATA0_P LVDS_TX_0_DATA0_P 7:G21 R1081 O_BRCM_PKT0_DATA 1:AL17 PKT0_DATA LVDS_TX_0_DATA0_N LVDS_TX_0_DATA0_N 7:G21 +3.3V +A3.3V_BCM3549 R1080 1:AL18 O_BRCM_PKT0_SYNC PKT0_SYNC LVDS_TX_0_DATA1_P LVDS_TX_0_DATA1_P 7:U17 X-TAL RMX0_CLK LVDS_TX_0_DATA1_N LVDS_TX_0_DATA1_N 7:U17 RMX0_DATA LVDS_TX_0_DATA2_P LVDS_TX_0_DATA2_P 7:U19 L1000...
  • Page 32 PStoPDF trial version. http://www.oakdoc.com +5V_DEVICE R1113 R1119 IF_AGC_3549 1/16W 1/16W 18:AL19 IC100 LGE3549XSP P22(3D PIP) +A_2.5V AC20 DS_AGCI_CTL I2S_CLK_IN L1104 AD20 R1148 BLM18PG121SN1D DS_AGCT_CTL I2S_CLK_OUT I2S_BIT_CLK 3 : F 1 9 AA19 EDSAFE_AVSS_1 I2S_DATA_IN AF21 R1147 EDSAFE_AVSS_2 I2S_DATA_OUT I2S_SDATA 3 : F 2 0 +A_1.2V AB20 18:AM16...
  • Page 33 PStoPDF trial version. http://www.oakdoc.com +D_1.2V +1.2V_BCM3549P L1201 NFM18PS105R0J BLM18PG121SN1D C1259 6.3V C1200 C1210 C1221 C1227 C1233 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F +1.2V_BCM3549P IC100 LGE3549XSP P22(3D PIP)
  • Page 34 PStoPDF trial version. http://www.oakdoc.com D1.8_ETHUB A3.3_ETHUB D3.3_ETHUB +3.5V_ST D3.3_ETHUB A3.3_ETHUB STRAPPING PIN CONFIG Q1300 L1302 AO3407A R1314 NFM18PS105R0J BLM18PG121SN1D C1340 6.3V C1326 C1330 C1334 R1305 C1307 0 . 1 u F 2.2K 22uF 22uF R1356 C1341 0 . 1 u F 14:AG5 6.3V 6.3V...
  • Page 35 PStoPDF trial version. http://www.oakdoc.com S e r i a l P o r t USB JACK AE21 +3.5V_ST JK1401 3AU04S-305-ZC-(LG) C1406 IC1402 0 . 1 u F C1402 100uF TC4053BFN R1467 USB_DM1 1 0 : P 1 5 C 1 6 ; 5 : N 1 5 ; 5 : Y 2 6 ;...
  • Page 36 PStoPDF trial version. http://www.oakdoc.com +D_1.8V +D1.8V_VDEC +D_1.8V +A1.8V_VDEC L1501 L1500 BLM18PG121SN1D BLM18PG121SN1D X1500 +3.3V_VDEC 27MHz R1529 +D1.8V_VDEC +3.3V_VDEC 9:AJ20 R1502 VDEC_656_DATA[0-7] +3.3V_VDEC R1542 SDA2 L1502 9:AL14;1:AN21 R1501 120-ohm AR1520 VDDE_1 VD[7] 9:AL14;1:AN22 R1541 SCL2 IC1502 C1542 C1543 ZD1500 SCLK VD[8] TEA6425DT C1506 33pF...
  • Page 37 PStoPDF trial version. http://www.oakdoc.com IC1602-*1 SC4215ISTRT NC_1 SEMTECH NC_2 NC_3 * +1.8V_DDR for DDR/ BCM3549 A2.5V +3.3V Max 1100 mA +2.5V +1.8V_DDR XMARK_1.8V +3.5V IC1602 AP2132MP-2.5TRG1 [ E P ] Vout=0.9*(1+R1/R2) L1615 L1604 R1601 R e p l a c e d P a r t 3.6uH BLM18PG121SN1D R1604-*1...
  • Page 38 PStoPDF trial version. http://www.oakdoc.com +5V_DEVICE REAR AV / COMPONENT SPEAKER OUT /REAR_DET /REAR_AV_DET INCM TRACE JK1702 9:AJ24 JK1700 +5V_DEVICE PEJ027-04 PPJ238-01 E_SPRING [RD1]E-LUG T_TERMINAL1 11:E16 C1741 0 . 1 u F EXT_SPK 1 0 : I 9 1 0 : I 7 COMP_VID_INCM REAR_R_IN B_TERMINAL1...
  • Page 39 PStoPDF trial version. http://www.oakdoc.com +5V_bLAN +5V_DEVICE b-LAN POWER b-LAN +3.3V +5V_ST BLAN CHECK L1810 BLM18PG121SN1D +5V_bLAN C1823 C1812 C1820 Q1807 C1822 C1800 C1836 AO3407A 10uF 22uF 0 . 1 u F 10uF 22uF 0 . 1 u F 6.3V TU1800 6.3V 5VST_JIG TMMB-H502F...
  • Page 41 TI PTC IR Receiver (IC501) NTP7100 IC301 SPK X 2 UART Switch 533MHz NAND NVRAM DDR2 Flash 4Gb (512Kb) 1Gb x4 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...