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LG 47LM6200-UE Service Manual
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LG 47LM6200-UE Service Manual

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See also: Owner's Manual
LED LCD TV

SERVICE MANUAL

CHASSIS : LA22E
MODEL : 47LM6200
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67460417 (1202-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
47LM6200-UE
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 47LM6200-UE

  • 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 : LA22E MODEL : 47LM6200 47LM6200-UE CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL67460417 (1202-REV00) Printed in Korea...
  • Page 2 SPECIFICATION ..................4 ADJUSTMENT INSTRUCTION .............. 10 SCREW ASSEMBLY WORKING GUIDE ..........20 EXPLODED VIEW .................. 21 SCHEMATIC CIRCUIT DIAGRAM .............. - 2 - Copyright © LG Electronics. Inc. All rights reserved. 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. - 3 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 4: Application Range

    2) Humidity : ~ 80 % Storage Environment 1) Temp : -20 ~ 60 deg 2) Humidity : ~ 85 % - 4 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 5: Supported Video Resolutions

    48.363 60.00 65.00 VESA(XGA) 1152*864 54.348 60.053 VESA 1360*768 47.712 60.015 85.50 VESA (WXGA) 1920*1080 67.5 60.00 148.5 WUXGA(CEA861D) - 5 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 6 HDTV 1080P 1920*1080 26.97 23.976 74.176 HDTV 1080P 1920*1080 33.75 30.00 74.25 HDTV 1080P 1920*1080 33.71 29.97 74.176 HDTV 1080P - 6 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 7 Side by Side , Top & Bottom Checkerboard 1920*1080p 33.75 30.000 74.25 Side by Side, Top & Bottom Checkerboard - 7 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 8 54.054 Side by Side (Full) 640*480p 63.00 60.00 50.40 Line Alternative 640*480p 31.50 60.00 50.40 Side by Side (Full) - 8 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 9 - Supports this function in all mode. 5.4. Remark: 3D Input mode Side by Side Top & Bottom Checkerboard Single Frame Sequential Frame Packing LLLLL - 9 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 10: Adjustment Instruction

    (1) Tool option menu, USB Download (S/W Update, Option and Service only) (2) Manual adjustment for ADC calibration and White balance. (3) Shipment conditions, Channel pre-set - 10 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 11 2) Korea and Philippine models (11Y LCD TV + MAC + Widevine Only) 4.2.6. Inspection - In INSTART menu, check these keys. - 11 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 12 4.4. EDID Download ⓔ Checksum(LG TV): Changeable by total EDID data. 4.4.1. Overview ⓔ1 ⓔ2 ⓔ3 - It is a VESA regulation. A PC or a MNT will display an optimal HDMI1 resolution through information sharing without any necessity HDMI2 of user input.
  • Page 13 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 ⓑ Serial No: Controlled on production line. ⓒ Month, Year: Controlled on production line: ⓔ Checksum(LG TV): Changeable by total EDID data. ex) Monthly : ‘01’ -> ‘01’ ⓔ1 ⓔ2...

  • Page 14: Final Assembly Adjustment

    5.1.6. Reference (White Balance Adj. coordinate and color temperature) (1) Luminance: 204 Gray, 80IRE (2) Standard color coordinate and temperature using CS-1000 (over 26 inch) - 14 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 15 8259 26381 13004 23063 1321 12555 36-49 50-79 ● Tool option can be reconstructed by Software 80-119 Over 120 - 15 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 16 Step 6) Check "Back Light(xxx)" on the screen, check data increase . You should change Eye Q sensor. <Step 2> <Step 3> <Step 6> <Step 4> <Step 5> - 16 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 17 ▪ After final inspection, press In-Stop key of the Adj. R/C and check that the unit goes to Stand-by mode - 17 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 18 - GND Test = POWER CORD GND and SIGNAL CABLE GND. - Hi-pot Test = POWER CORD GND and LIVE & NEUTRAL. (4) LEAKAGE CURRENT: At 0.5mArms - 18 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 19: Optional Adjustments

    RF signal in 216 Gray pattern. (12) If ADC calibration is failure, after recheck ADC pattern or condition, retry calibration - 19 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 20 Module will get damaged Module will get damaged • FAB31339201 (M3*L10, BK, Taptite) • 8EA • FAB30016122 (M4*L20, BK, Taptite) • 4EA - 20 - Copyright © LG Electronics. Inc. All rights reserved. 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 rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 22 MID_MAIN_1 2011.12.13 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 23 MID_MAIN_2 2011.12.19 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 24 MID_MAIN_3 2011.12.09 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 25 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. DDR ONE SIDE Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 26 2011.11.25 MID_POWER ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 27 2011.12.12 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. MICOM Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 28 HDMI 4 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 29 JACK HIGH / MID 2011.11.21 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 30 JACK_COMMON 2011.11.21 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 31 JACK_COMMON 2011.11.21 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 32 IR / KEY 2011.11.21 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 33 USB3_HUB_WiFi 2011.10.26 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 34 MOTION REMOTE 2011.11.21 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 35 LAN_VERTICAL 2011.12.09 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 36 2011.11.21 AMP_NEO ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 37 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 38 TUNER 2011.11.21 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 39 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 40 LVDS_HIGH_MID 2011.08.11 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 41 LOCAL DIMMING 2011.12.13 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 42 2011.12.01 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. T-Con Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 43 11.09.29 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 44 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 45 R 3 3 2 3 R 3 3 4 0 R 3 3 2 5 C 3 3 0 3 C 3 3 0 0 Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 47 2012 LED/LCD TV Engineering guide < Applicable Model > XXLS5700-UA Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 1 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 48 - Download 8. Adjust way of new features (widevine…) 9. Repair guide 10. The latest issue and concerning issue Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 2 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 49 - Download 8. Adjust way of new features 9. Repair guide 10. The latest issue and concerning issue Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 3 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 50 CS560/530 LK330 32(3.7) (10.3W/1W) CCFL, 60Hz, LK450 Tool LD350 FHD (ODM) CCFL+HD (LD350 Tool) CS460 32*(2.25*) CCFL, HD Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 4 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 51 LD400 32 (4.4W) CS460 32/26/22(3.25) LD320 (3.10*) CCFL, HD LK330 HD (LH20 Tool) FHD (ODM) CCFL+HD (LD350 Tool) Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 5 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 52 32 (4.4W) 32/26/22(3.14) LD320 CCFL, 60Hz, LK450 Tool HD (LH20 Tool) CCFL+HD (LD350 Tool) CS460 (3.17*) CCFL, HD Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 6 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 53 - Download 8. Adjust way of new features 9. Repair guide 10. The latest issue and concerning issue Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 7 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 54 Model naming and Tool option Standard of 2012y Model Name 12Y model name Description of Tool Options ToolOption Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 8 / 153 Only for training and service purposes LGE Internal Use Only...

  • Page 55: New Features

    - Download 8. Adjust way of new features 9. Repair guide 10. The latest issue and concerning issue Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 9 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 56 Better reliability on common noise • No data skew and better EMI margin • Fewer lines than mini-LVDS • Slim PCB design Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 10 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 57 - FHD 120Hz 10Bit : 594Mbps@36Lines → 1.65Gbps@12Lines -Slim S-PCB design (14mm 10mm) helps slimmer TV - FHD 240Hz 10Bit : 594Mbps@72Lines → 1.25Gbps@32Lines Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 11 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 58 • Clock skew • Transmission Overhead Demerit • EMI due to clock lines : 4bit delimiter • Bandwidth limit Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 12 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 59 - Download 8. Adjust way of new features 9. Repair guide 10. The latest issue and concerning issue Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 13 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 60 Main processor, DDR Memory Front Spk eMMC Memory Micom for Key/IR sensing RF Assy Audio AMP (10W+10W) LVDS &EPI Wafer Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 14 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 61 - Download 8. Adjust way of new features 9. Repair guide 10. The latest issue and concerning issue Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 15 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 62 Sub Micom OPTIC SPDIF OUT Remote Control : according to input spec (RENESAS) Ethernet UART RS-232C only Dev Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 16 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 63 COMP1_Y/Pb/Pr DSUB_DET [Y1P],[PB1P],[PR1P] [OPCTRL7] COMP1_DET RGB_DDC_SCL [OPCTRL9] [VGA_SCL] RGB_DDC_SDA [VGA_SDA] DSUB_R+, DSUB_G+, DSUB_B+ [RP],[GP],[BP] DSUB_VSYNC, DSUB_HSYNC [VSYNC], [HSYNC] Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 17 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 64 IC7701 VGH_R, VGH_F, VST MCLK_SOC MCLK (47옴) [TCON4] TPS65198 CLK1~6_I CLK1~6 GCLK GCLK_SOC (0옴) [TCON3] 50Pin EPI RIGHT Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 18 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 65 [OPCTRL11] IC7700 I2C_SCL2 [OPCTRL10] TPS65178 EPI_LOCK6_SOURCE EPI_LOCK6 VCOMRFB TXA0N/P, TXB1N/P, TXB2N/P CH4/5/6 VCC18 Vcore H_VDD 50Pin EPI RIGHT Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 19 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 66 Output • LVDS_SEL : “H”=JEIDA, “L” or NC=VESA (LGD) • BIT_SEL : “H” or NC = 10-bit, “L” = 8-bit Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 20 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 67 - Download 8. Adjust way of new features 9. Repair guide 10. The latest issue and concerning issue Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 21 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 68 Main / Module LVDS Cable T-con Driver LED driver / PSU 10Pin (IR+Touch) Cable SPK Cable RF Assy Cable WIFI Assy Cable Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 22 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 69 - Download 8. Adjust way of new features (widevine…) 9. Repair guide 10. The latest issue and concerning issue Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 23 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 70 Introductions of 12Y Model Soft-touch Ass’y 목차 - Introductions of soft-touch 2011년 12월 13일 LCD TV 사업부 LCD TV 연구소 / BP그룹 Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 24 / 153 Only for training and service purposes LGE Internal Use Only...

  • Page 71: Circuit Block Diagram

    2012Y IR + Soft touch Circuit Block Diagram KEY1, KEY2 Voltage (Tolerance of voltage ±0.2V) Ass’y Picture Pin Configuration Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 25 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 72 - In the case of Power Only On, Red LED turns Off Mode - In the case of DC Off, Red LED turns On Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 26 / 153 Only for training and service purposes...
  • Page 73 4. It doesn’t matter that Touch data gets low value after taking off your finger. Touch Key Threshold Level (Ta = 25ºC ) Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 27 / 153 Only for training and service purposes...
  • Page 74 In-start menu and verify Addr Value it that the number of version is changed to what you want. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 28 / 153 Only for training and service purposes LGE Internal Use Only...

  • Page 75: Magic Remote Control

    - Introductions of 12Y RF ass’y + Magic Remote control 2011년 12월 19일 LCD TV 사업부 LCD TV 연구소 / BP그룹 Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 29 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 76 Voice Data Transmission • Period : 10msec • Voice sampling : 16khz 16bit See “6-2. Packets” on page 8. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 30 / 153 Only for training and service purposes LGE Internal Use Only...

  • Page 77: Mute Power

    = VOICE_START AUTO_WAKEUP 0x800C VOICE_START 0x800A Logical VOICE_STOP 0x800D Buttons POINT_START 0x803E M3 Remote M4 Remote POINT_STOP 0x803F Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 31 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 78 M4 4-mode Only Power Management Connector DC-DC 2.8V LDO 2.8V LDO AA x 2 Battery Bluetooth Remocon Bluetooth Receiver Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 32 / 153 Only for training and service purposes LGE Internal Use Only...

  • Page 79: Function List

    Battery Boost up Regulator LDO1 uPI7716 RF, Gyro, Accelerometer Power Supply LDO2 uPI7716 Audio Codec, Mic. Power Supply Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 33 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 80 5 sec. • After unpairing, LED should be blinked for 3sec. • The remote just becomes to IR mode. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 34 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 81 목차 -Introductions of WIFI built in ass’y 2011년 12월 21일 LCD TV 사업부 LCD TV 연구소 / BP팀 Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 35 / 153 Only for training and service purposes LGE Internal Use Only...

  • Page 82: Block Diagram

    WIFI Built in ass’y feature(LGIT) WIFI built in feature - Pin map USB interface - Block diagram Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 36 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 83 WIFI Built in Block-diagram(Arcadyan) Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 37 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 84 WIFI Built in ass’y Specification Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 38 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 85 - Download 8. Adjust way of new features 9. Repair guide 10. The latest issue and concerning issue Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 39 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 86 2. HDCP 2.0 & NETFLIX? 3. DTCP? 4. Changed BOM 2011년 12월 22일 LCD TV 사업부 LCD TV 연구소 / BP그룹 Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 40 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 87 [Widevine Key] Widevine Key is unique data stored TV for using Widevine. Widevine Key is unique data stored TV for using Widevine. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 41 / 153 Only for training and service purposes...
  • Page 88 Netflix the services maintain a huge selection of movies and latest releases and offer DVD rentals via mail & online streaming. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 42 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 89 •Content Key which is used to encrpt the content being exchanged. •Content Key which is used to encrpt the content being exchanged. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 43 / 153 Only for training and service purposes...
  • Page 90 2.CNTV (Yes/No) 3.HDCP Tx (Yes/No) 4.DTCP Rx (Yes/No) 5.HDCP Rx (Yes/No) 주3) CNTV [Yes] : China Smart TV Only Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 44 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 91 4. Changed BOM Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 45 / 153 Only for training and service purposes LGE Internal Use Only...

  • Page 92: Repair Guide

    - Download 8. Adjust way of new features 9. Repair guide 10. The latest issue and concerning issue Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 46 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 93 F. Exterior error Exterior defect First of all, Check whether there is SVC Bulletin in GCSC System for these model. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 47 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 94 Other : PSU Inverter/ Module Exchange Module itself (1) A-4/5 Exchange Module itself (2) A-5/5 Continue to the next page Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 48 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 95 Always check & record S/W Version and White Replace Main Board Re-enter White Balance value Balance value before replacing the Main Board Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 49 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 96 Power Board replace voltage? No audio ( 3.5V,12V,20V or MAIN B/D 24V…) Replace Power Board and repair parts Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 50 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 97 Contact with signal distributor Tuner soldering Picture? or broadcaster (Cable or Air) Normal Picture? Replace Main B/D Close Close Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 51 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 98 Normal (match with installed ANT) or broadcaster Picture? (Cable or Air) Normal Picture? Close Close Close Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 52 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 99 RGB/ Check external External device HDMI/DVI device and /Cable Replace Main B/D error cable normal Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 53 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 100 Main B/D External Input, Component, HDMI/ RGB and HDMI/DVI by connecting Jig, pattern Generator ,Set-top Box etc. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 54 / 153 Only for training and service purposes LGE Internal Use Only...

  • Page 101: Power Error

    ※ Normal Replace Main B/D voltage? Close Normal Check ST-BY 3.5V voltage? ☞A18 Replace Power B/D Replace Power Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 55 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 102 Power off by unknown status except listed case "POWEROFF_ABNORMAL1" Power off by abnormal status except CPU trouble Abnormal "POWEROFF_CPUABNORMAL" Power off by CPU Abnormal Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 56 / 153 Only for training and service purposes LGE Internal Use Only...

  • Page 103: Audio Error

    Speaker off Cancel OFF Replace Power Board and repair parts Check Speaker Disconnection Replace MAIN Board disconnection Replace Speaker Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 57 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 104 Connect and check Normal Check and fix other external device audio? external device Check and fix external device Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 58 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 105 If R/C operate, Normal Close operating? Explain the customer cause is interference from light in room. Replace R/C Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 59 / 153 Only for training and service purposes LGE Internal Use Only...

  • Page 106: Function Error

    Check and fix DVI, Optical Replace Main B/D Fix in external device/cable Recognition error accordance with technical information Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 60 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 107 ※ Describe the basis of the description in (For models without any fix information, provide “Part related to nose” in the Owner’s Manual. the description) Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 61 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 108 ☞A28 Cabinet Replace cabinet damage Remote controller Replace remote controller damage Stand Replace stand dent Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 62 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 109 D. Function error_ No response in Remote controller operation checking method remote controller, key error D. VCOM Adjustment Sequence of the Vcom adjustment Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 63 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 110 3. After recording the R, G, B (GAIN, Cut) value of Color Temp (Cool/Medium/Warm), re- enter the value after replacing the MAIN BOARD. enter the value after replacing the MAIN BOARD. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 64 / 153 Only for training and service purposes...
  • Page 111 Lamp : A-Dim LED : N.C PWM Dim #1 GND/P_DIM2 Error-out • Lamp SCANNING Model : PWM Dim #2 Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 65 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 112 - signal test select channel When the signal is strong, use the attenuator (-10dB, -15dB, -20dB etc.) Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 66 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 113 1. Checking method for remote controller for adjustment Version Press the IN-START with the remote controller for adjustment Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 67 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 114 LCD TV connection diagram (1) date <ALL MODELS> As the part connecting to the external input, check the screen condition by signal Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 68 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 115 1. Check the signal strength or check whether the screen is normal when the external device is connected. 2. After measuring each voltage from power supply, finally replace the MAIN BOARD. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 69 / 153...
  • Page 116 Checking item : 1. Defective pixel 2. Residual image 3. MODULE error (ADD-BAR,SCAN BAR..) 4.Video error (Classification of MODULE or Main-B/D!) Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 70 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 117 Solder defect, CNT Broken Solder defect, CNT Broken T-Con Defect, CNT Broken Abnormal Power Section Solder defect, Short/Crack Solder defect, Short/Crack Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 71 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 118 Abnormal Power Section Solder defect, Short/Crack Abnormal Display Fuse Open, Abnormal power section Solder defect, Short/Crack Noise GRADATION GRADATION Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 72 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 119 Appendix : Exchange PSU(LED driver) No Light Dim Light Dim Light Dim Light No picture/Sound Ok Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 73 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 120 Panel Mura, Light leakage Press damage Crosstalk Press damage Crosstalk Un-repairable Cases In this case please exchange the module. Press damage Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 74 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 121 Un-repairable Cases In this case please exchange the module. Horizontal Block Gate TAB IC Defect Gate TAB IC Defect Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 75 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 122 Front LED control : Menu Option Power Indicator Standby light ON ST-BY condition: Red Power ON condition: white Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 76 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 123 Lamp : A-Dim LED : N.C PWM Dim #1 GND/P_DIM2 Error-out • Lamp SCANNING Model : PWM Dim #2 Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 77 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 124 Lamp : A-Dim LED : N.C PWM Dim #1 GND/P_DIM2 Error-out • Lamp SCANNING Model : PWM Dim #2 Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 78 / 153 Only for training and service purposes LGE Internal Use Only...
  • Page 125 1. Press the IN-START button of the remote controller for adjustment 2. Check the entry into adjustment item 3 Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 79 / 153 Only for training and service purposes LGE Internal Use Only...

  • Page 126: Checking Method

    1. Press the MENU button on the remote controller 2. Select the AUDIO function of the Menu 3. Select TV Speaker from Off to On Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 80 / 153 Only for training and service purposes...
  • Page 127 ③ Connect the tester RX1 to the speaker terminal and if you hear the “Chik Chik” sound when you touch the GND and output terminal, the speaker is normal. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 81 / 153...
  • Page 128 When checking the Pre-Amp when the power is in ON condition, it is normal when the Analog Tester needle moves slowly, and defective when it does not move at all. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 82 / 153...

  • Page 129: Vcom Adjustment

    ■ Push the OK key to store the value. Then the message “Saving OK” is pop. ■ Press the exit key to finish V-COM adjustment. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. 83 / 153 Only for training and service purposes...

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