Download
Share
Print this page
LG 55LX9500 Service Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. LCD TV
  5. 55LX9500
  6. Service manual

LG 55LX9500 Service Manual

Hide thumbs Also See for 55LX9500:

Advertisement

Quick Links

Download this manual See also: Owner's Manual
LED LCD TV

SERVICE MANUAL

CHASSIS : LT03R
MODEL : 55LX9500
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL63283608 (1007-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
55LX9500-DA
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
Printed in Korea

Advertisement

loading

Related Manuals for LG 55LX9500

Summary of Contents for LG 55LX9500

  • 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 LED LCD TV SERVICE MANUAL CHASSIS : LT03R MODEL : 55LX9500 55LX9500-DA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL63283608 (1007-REV00) Printed in Korea...
  • Page 2 CONTENTS CONTENTS ....................2 SPECIFICATION ..................3 ADJUSTMENT INSTRUCTION ..............7 BLOCK DIAGRAM...................17 EXPLODED VIEW .................. 19 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 LC550MUT-SCA1 : LX9500 Pixel Pitch LC550MUT-SCA1 : LX9500 Back Light Display Colors 1.06 B(true) colors (10-bit) Coating 3H(Hard coating), Anti-glare Copyright LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
  • Page 5 84.75 VESA(WXGA) 1280*1024 63.668 59.895 109.00 SXGA Only FHD model 1920*1080 66.587 59.934 138.50 WUXGA (Reduced Blanking) Only FHD model Copyright LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...

  • Page 6: Hdmi Input

    79.5 VESA(WXGA) 1360 768 47.72 59.799 84.62 VESA(WXGA) 1280 1024 63.595 60.00 108.875 SXGA 1920 1080 66.647 59.988 138.625 WUXGA Copyright LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...

  • Page 7: Adjustment Instruction

    9) Motion Remote controller Inspection 10) 3D Function test 11) Outgoing Condition Configuration 12) Sound spec 13) Factoring Option Data input. Copyright LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 Tool Ooption2 32279 32279 32279 Tool Ooption3 56636 56636 56636 Tool Ooption4 25004 25004 25004 Tool Ooption5 1979 1979 1979 Copyright LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
  • Page 9 Caution : Don’t connect HDMI and RGB(D-SUB) cable when downloading the EDID. If the cables are connected, Downloading of edid could be failed. Copyright LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
  • Page 10 00 10 [Adjust 480i&1080p Comp1] xb 00 06 [Change input source RGB(1920x1080)] ad 00 10 [Adjust 1920x1080 RGB] aa 00 90 End adj. Copyright LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
  • Page 11 First decrease B, so make x a little more than the target. ii) Adjust x value by decreasing the G Copyright LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
  • Page 12 The black cross-bar patterns moves from top-left to Bottom- right. If local dimming function does not work, a whole screen shows full white. Copyright LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
  • Page 13 49.75 SECAM V/UHF R-34 C 34 575.25 11505 V/UHF E-21 C 21 471.25 9425 V/UHF D-04 C 04 77.25 1545 Copyright LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
  • Page 14 3) Without 3D-glasses, Like below figure. 4) With 3D left-glass, Like below figure. (Center is RED) 5) With 3Dright-glass, Like below figure.(Center is Blue) Copyright LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
  • Page 15 (Ex : V2.02) • Select “Yes” 2. Connection Plug-in USB Memory stick to the USB input of the set. Copyright LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
  • Page 16 • Push “ IN-START” button on service remote Controller • Check Information Bluetooth S/W version will appear on OSD Service Menu. Example : Bluetooth SW version 2.05 Copyright LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
  • Page 17 BLCOK DIAGRAM Copyright LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
  • Page 18 Copyright LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...

  • Page 19: Exploded View

    X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
  • Page 20 0 1 : 1 E C C B i t NC_11 I / O 0 NAND_DATA[0] with LG FRC 1 0 : 4 E C C B i t 1 1 : 8 E C C B i t NC_12...
  • Page 21 PStoPDF trial version. http://www.oakdoc.com W h e n u s d i n g F U N D M E N T A l t h e n s e r i e s R = 0 o h m a n d C L = 8 p F IC100 54MHz X-TAL LGE3556C (C0 VERSION)
  • Page 22 PStoPDF trial version. http://www.oakdoc.com D1.2V D3.3V P l a c e h e r e f o r c o m m o n c i r c u i t w i t h A T S C D1.2V +1.8V_AMP +1.8V_HDMI +3.3V_NORMAL...
  • Page 23 PStoPDF trial version. http://www.oakdoc.com D1.8V NON_3DTV A1.2V IC100 LGE3556C (C0 VERSION) D1.8V 0 . 1 u F C403 DDR_BVDD0 0 . 1 u F C404 DDR_BVDD1 DDR_BVSS0 DDR_BVSS1 DDR_PLL_TEST R411 DDR_PLL_LDO DDR01_CKE DDR_VTT DDR01_CKE R412 IC400 IC402 DDR_COMP DDR1_DQ[0-7] DDR01_ODT NT5TU128M8DE_BD NT5TU128M8DE_BD DDR01_ODT...
  • Page 24 PStoPDF trial version. http://www.oakdoc.com COMPONENT1 COMPONENT2 JK1100 COMPONENT1 PPJ237-01 +3.3V_NORMAL < P r a c t i c a l l y C O M P 2 > [RD1]E-LUG +3.3V_NORMAL NON_SCART [RD1]O-SPRING AV_CVBS_DET C1100 9:G3 100pF [RD1]CONTACT SCART1_DET ==> COMP1_DET DTV/MNT_V_OUT TP1100 D1115...
  • Page 25 PStoPDF trial version. http://www.oakdoc.com M o t i o n R e m o t e c o n t r o l l e r M o t i o n R e m o c o n I n t e r f a c e P1700 +3.3V_NORMAL +3.3V_NORMAL...
  • Page 26 PStoPDF trial version. http://www.oakdoc.com Sub AMP. SPK2_L+ D2100 3AMP OPT 1N4148W L2107 3AMP OPT 100V AD-9060 R2121 3AMP OPT 3AMP OPT 3 . 3 C2158 390pF C2164 3AMP OPT 0 . 4 7 u F C2155 C2146 3AMP OPT 0 . 0 1 u F 10uF C2159 SPEAKER2_L...
  • Page 27 PStoPDF trial version. http://www.oakdoc.com LG LOGO FOR LE9500 +5V_NORMAL +3.5V_ST 1/10W 1/10W P2200 12507WR-04L R2228 R2229 LED_B/LG_LOGO Q2200 2SC3052 D2200 CDS3C05HDMI1 5.6V THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. GP2_BCM_ATSC 0 9 / 1 0 / x x...
  • Page 28 PStoPDF trial version. http://www.oakdoc.com CAN H-NIM/NIM TUNER for TAIWAN TU2600-*5 TU2600-*1 TU2600-*2 TDTR-T035F +5V_TU TDVJ-H031F TDVJ-H001F T a i w a n / B r a z i l _ H L a t i n _ T u n e r _ V L a t i n _ T u n e r _ H RF_S/W_CTL ANT_PWR[OPT]...
  • Page 29 PStoPDF trial version. http://www.oakdoc.com PANASONIC (ISDB-T) MN884433 ISDB_DEMOD +1.2V_DE +3.3V_DE R2807 FE_TS_VAL_ERR ISDB_DEMOD ISDB_DEMOD ISDB_DEMOD R2808 ISDB_DEMOD ISDB_DEMOD ISDB_DEMOD FE_TS_SYNC C2812 C2815 C2816 C2819 C2821 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 .
  • Page 30 PStoPDF trial version. http://www.oakdoc.com Panasonic Demodulator Power(3.3V,1.2V) ISDB_BCD IC2900 AP2132MP-2.5TRG1 [ E P ] ISDB_BCD +3.3V_DE ISDB_BCD R2903-*1 +3.3V_DE R2904 +3.3V_NORMAL +1.2V_DE ISDB_SEMTECH ISDB_SEMTECH ISDB_POWER R2905 R2903 5.1K VOUT ISDB_POWER ISDB_POWER ISDB_POWER ISDB_POWER C2903 R2906 ISDB_POWER 10uF 10K ISDB_BCD ISDB_POWER VCTRL C2905 22uF...
  • Page 31 PStoPDF trial version. http://www.oakdoc.com USB2 OPTION +3.3V_NORMAL USB / DVR Ready IC2202 +5V_USB AP2191SG-13 R2220 L2202 1 GND 4.7K MLB-201209-0120P-N2 OUT_2 2 IN_1 120-ohm OUT_1 3 IN_2 C2220 C2218 C2222 4 EN 10uF 100uF R2226 0 . 1 u F EAN60921001 2.7K USB_CTL1...
  • Page 32 PStoPDF trial version. http://www.oakdoc.com +3.3V_NORMAL BLUETOOTH BCM BT MODULE C1898 BLUETOOTH FOR BCM BCM BT MODULE R1886 BCM BT MODULE R1887 R1888 BT_ON/OFF 4.7K 2SC3052 Q1800 BCM BT MODULE BCM BT MODULE BCM BT MODULE C1899 22uF R1896 BT_DM BCM BT MODULE D1899 CDS3C05HDMI1 5.6V...
  • Page 33 PStoPDF trial version. http://www.oakdoc.com CI POWER ENABLE CONTROL CI CONTROL BUFFER /CI_SEL CI_A[0] CI_A[1] EBI_CS CI_A[2] CI_A[3] EBI_WE CI_A[4] CI_5V_CTL CI_A[5] CI_A[6] 007:H7 [GP27] CI_A[7] CI_A[8] CI_A[9] CI_A[10] CI_A[11] CI_A[12] CI_A[13] C I _ A [ 0 - 1 3 ] 007:E6 EBI_RW CI_A[14]...
  • Page 34 PStoPDF trial version. http://www.oakdoc.com 3D IR +3.3V_NORMAL I n n e r _ E m i t t e r IC6900 P6900 +5V_NORMAL AP2191SG-13 R6902 12507WR-03L L6900 1 GND 4.7K MLB-201209-0120P-N2 OUT_2 2 IN_1 L6902 C6900 120-ohm OUT_1 3 IN_2 C6902 100uF C6903...
  • Page 35 PStoPDF trial version. http://www.oakdoc.com PANEL_VCC [51Pin LVDS Connector] P7801 ( F o r F H D 6 0 / 1 2 0 H z ) L7800 120-ohm TM480Hz P7800 TF05-51S TM480Hz C7800 C7801 C7802 10uF 1000pF 0 . 1 u F TM480Hz TM480Hz RRXB4+/RLV0P...
  • Page 36 PStoPDF trial version. http://www.oakdoc.com [To MASTER LED DRIVER] P7900 12507WR-10L L_VS M0_MOSI M0_SCLK +3.3V_NORMAL M1_MOSI M1_SCLK R7907 R7908 R7909 3.3K 3.3K 3.3K Edge Edge Edge R7904 S_CS_N R7905 S_MOSI R7906 S_SCLK C7901 C7903 C7905 C7907 C7909 C7911 C7913 C7914 100pF 100pF 100pF 100pF...
  • Page 37 PStoPDF trial version. http://www.oakdoc.com FROM LIPS & POWER B/D L_VS R_VS MO_SCLK +3.5V_ST RT1P141C-T112 M2_SCLK 15V-->3.6V +12V +3.5V_ST Q8002 MO_MOSI 20V-->3.5V +3.5V_ST R8068 M2_MOSI 24V-->3.48V 100K R8004 12V-->3.58V 4.7K +24V NORMAL_26~52 IC8007 R8000 P8000 +5V_NORMAL ST_3.5V-->3.5V NCP803SN293 RL_ON FW20020-24S Q8000 R8081 2SC3052 POWER_DET...
  • Page 38 PStoPDF trial version. http://www.oakdoc.com 15pF 15pF R8146 C8101 C8102 10MHz X8100 X8101-*1 32.768KHz R8138 MICOM_EPSON R8139 MICOM_KDS X8101 32.768KHz R8175 4.7M +3.5V_ST f o r D e b u g g e r SW8100 JTP-1127WEM P8100 12505WS-12A00 MICOM_RESET NEC_ISP_Tx NEC_ISP_Rx R8186 1/16W OCD1A...
  • Page 39 PStoPDF trial version. http://www.oakdoc.com +3.5V_ST EYEQ IR & KEY R8225 D8204 P8200 CDS3C05HDMI1 5.6V 12507WR-12L C8213 1000pF L8200 R8209 BLM18PG121SN1D EYEQ KEY1 R8226 R8210 L8201 BLM18PG121SN1D NEC_EEPROM_SDA KEY2 C8214 D8205 1000pF CDS3C05HDMI1 5.6V +3.5V_ST +3.5V_ST L8202 BLM18PG121SN1D +3.5V_ST R8202 R8200 +3.5V_ST R8227 1.5K...
  • Page 40 PStoPDF trial version. http://www.oakdoc.com * HDMI CEC KRC104S KRC104S L8300 Q8307 Q8305 BLM18PG121SN1D R8321 R8311 4.7K 4.7K KRC104S KRC104S Q8306 Q8302 +3.5V_ST R8316 R8302 R8317 JP8306 R8307 DDC_SDA_4 DDC_SDA_1 JP8304 R8318 R8308 CEC_REMOTE CEC_REMOTE CK-_HDMI4 CK-_HDMI1 CEC_REMOTE HDMI_CEC JK8303 JK8302 CK+_HDMI4 CK+_HDMI1 D0-_HDMI4...
  • Page 41 PStoPDF trial version. http://www.oakdoc.com RGB PC IC8401-*1 +5V_NORMAL R1EX24002ASAS0A IC8400 74F08D +5V_NORMAL D8409 ENKMC2838-T112 C8401 0.1uF R8401 RGB_EDID_RENESAS RGB_HSYNC IC8401 RGB_VSYNC M24C02-RMN6T R8402 R8420 8 VCC 7 WC EDID_WP 6 SCL 5 SDA 0IMMR00014A RGB_EDID_ST R8406 R8405 +3.3V_NORMAL BCM Reference L8408 60-ohm RGB_BEAD...
  • Page 42 PStoPDF trial version. http://www.oakdoc.com ALL for SIDE_GENDER option SIDE CVBS PHONE JACK ( N e w I t e m D e v e l o p m e n ) SIDE_AV_CVBS R8603 C8605 D8600 47pF 5.5V JK8600 KJA-PH-1-0177 M5_GND +3.3V_NORMAL M3_DETECT SIDE_AV_DET...
  • Page 43 PStoPDF trial version. http://www.oakdoc.com WIRELESS READY MODEL JK8700 KJA-PH-3-0168 W i r e l e s s p o w e r VCC[24V/20V/17V]_1 VCC[24V/20V/17V]_2 VCC[24V/20V/17V]_3 VCC[24V/20V/17V]_4 VCC[24V/20V/17V]_5 +24V VCC[24V/20V/17V]_6 +3.3V_NORMAL DETECT R8704 C8700 INTERRUPT C8701 0 . 1 u F TP8700 2 .
  • Page 44 PStoPDF trial version. http://www.oakdoc.com L8803 MLB-201209-0120P-N2 +1.8V_AMP +3.3V_NORMAL CCFL = 20V IC8800 AP1117E18G-13 Edge_LED 32~47 Inch = 20V ADJ/GND Vd=1.4V 120 mA 5 5 I n c h & I O P M o d u l e = 2 4 V C8800 C8803 C8802...
  • Page 45 PStoPDF trial version. http://www.oakdoc.com IC9701 LG5111 IC9701 LG5111 LVDS_TX_0_DATA0_P R1A1P T1A1P RRXA0+ +1.8V_RXVDD +1.8V_PLL +1.8V_RXVDD LVDS_TX_0_DATA0_N R1A1M T1A1N RRXA0- C9704 C9707 27pF 27pF LVDS_TX_0_DATA1_P R1B1P T1B1P RRXA1+ LVDS_TX_0_DATA1_N R1B1M T1B1N RRXA1- RXVDD_18_1 RX_GND_1 X9700 25MHz C9712 C9718 C9724 C9731 C9738 C9745 C9762 C9768...

This manual is also suitable for:

55lx9500-da