LG 49UB8500-UA Service Manual

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LED TV

SERVICE MANUAL

CHASSIS : LA41V

MODEL : 49UB8500

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

P/NO : MFL68086405 (1404-REV00)

North/Latin America

Europe/Africa

Asia/Oceania

49UB8500-UA

Internal Use Only

http://aic.lgservice.com

http://eic.lgservice.com

http://biz.lgservice.com

Printed in Korea

Table of Contents

Summary of Contents for LG 49UB8500-UA

Page 1 Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LED TV SERVICE MANUAL CHASSIS : LA41V MODEL : 49UB8500 49UB8500-UA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL68086405 (1404-REV00) Printed in Korea...
Page 2 PRODUCT SAFETY ................. 3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION .............. 14 EXPLODED VIEW .................. 26 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 5 1. Clip each fuse or resistor lead at top of the circuit board hollow stake. 2. Securely crimp the leads of replacement component around notch at stake top. - 5 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 6: Specification
- Safety : UL, CSA, CE, IEC specification - EMC : FCC, ICES, CE, IEC specification - Wireless : Wireless HD Specification (Option) - 6 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 7: General Specification
1.06 B (10-bit) Except FHD 60Hz models 16.7 M (8-bit) Only FHD 60Hz models Surface Treatment Hard coating (2H), Anti-glare - 7 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 8 4096*2160 Only UD Model 4096*2160 56.25 Only UD Model 4096*2160 67.5 Only UD Model 4096*2160 Only UD Model, Port3 - 8 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 9 29.97 296.703 UDTV 2160P 4096*2160 67.5 UDTV 2160P 4096*2160 59.94 UDTV 2160P(HDMI 3 only) 4096*2160 UDTV 2160P(HDMI 3 only) - 9 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 10 29.976 / 30.00 148.35/148.5 Side-by-side(Full) (HDTV 1080P) 67.43 / 67.5 59.94 / 60 148.35/148.50 Top-and-Bottom Primary(HDTV 1080P) Side-by-side(half) Secondary(HDTV 1080P) - 10 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 11 Top & Bottom(half), Side by Side(half), Port3 Only Others 640*350 2D to 3D, 720*400 Side by Side(half), Top & Bottom 640*480 800*600 1152*864 - 11 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 12 3D input proposed mode 1080P 33.75 Side by Side(Half), Top & Bottom, Checker Board, MPO(Photo) 2160p 67.5 MPO(Photo), JPS(Photo) - 12 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 13 **Remark: 3D Input mode Side by Side Top & Bottom Checkerboard Single Frame Frame Packing Line Column Sequential Interleaving Interleaving LLLLL - 13 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 14: Adjustment Instruction
▪ xb 00 06 [Change input source to RGB(1024*768)] ▪ ad 00 10 [Adjust 1920*1080 RGB] ▪ aa 00 90 End adj. - 14 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 15 1) Play the LAN Port Test PROGRAM. 2) Input IP set up for an inspection to Test Program. *IP Number : 12.12.2.2. - 15 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 16 C. Serial number D/L must be conformed when it is produced in production line, because serial number D/L is mandatory by D-book 4.0 - 16 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 17: Manual Adjustment
ⓒ Month, Year: Controlled on production line: ex) Monthly : ‘01’ -> ‘01’ Year : ‘2014’ -> ‘18 ⓓ Model Name(Hex): LGTV ⓔ Checksum(LG TV): Changeable by total EDID data. ⓕ Vendor Specific(HDMI) 5.2.4.1. EDID #DTS HDMI1 (C/S: F7 82) EDID Block 0, Bytes 0-127 2) Select [Start] button by pressing Enter key, HDMI1 / HDMI2 / HDMI3 / HDMI4 are Writing and display OK or NG.
Page 18 # AC3 HDMI1 (C/S: E7 8B) EDID Block 0, Bytes 0-127 EDID Block 0, EDID Block 1, Bytes 128-255 - 18 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 19 # AC3 HDMI4 (C/S: E7 5B) # AC3 HDMI3 (C/S: A1 8A) # PCM HDMI1 (C/S: F7 FD) EDID Block 0, Bytes 0-127 - 19 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 20 Camera’s Preview picture appears on TV Set iii) Push Camera Down (3) RS-232C Command RS-232C COMMAND Explanation DATA Camera Function Start. Camera Function End. - 20 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 21 - VAL : FOS Data value - CS : Checksum of sent data - A : Acknowledge Ex) [Send: JA_00_DD] / [Ack: A_00_okDDX] - 21 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 22 - After Aging Start, Keep the Power ON status during 5 Minutes. - In case of LCD, Back-light on should be checked using no signal or Full-white pattern. - 22 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 23 Step 3) confirm the Local Dimming mode Step 4) Press “exit” Key 3) Don’t wear a 3D Glasses, Check the picture like below - 23 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 24 - GND Test = POWER CORD GND and SIGNAL CABLE GND. - Hi-pot Test = POWER CORD GND and LIVE & NEUTRAL. (4) LEAKAGE CURRENT: At 0.5mArms - 24 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 25 (3) Punch in the number. (Each model has their number.) automatically detected. (3) Show the message “Copying files from memory” (4) Updating is staring - 25 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 26: Exploded View
X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. - 26 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 27 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. H13 D CHIP Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 28 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. MAIN POWER 11/05/31 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 29 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR MAIN AUDIO/VIDEO THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 30 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. MAIN DDR Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 31 2013-12-17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. PCMCIA Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 32 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR POWER THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 33 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 34 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 35 2014.03.11 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. MICOM Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 36 2013.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. HDMI Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 37 JACK HIGH/MID 2013.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 38 2013.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. HDMI Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 39 IR / KEY 2013.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 40 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR USB JACK THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 41 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. SCART GENDER Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 42 LAN_VERTICAL 2012.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 43 2013-12-17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR ETHERNET THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 44 SCART AUDIO AMP 2012.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 45 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 46 2012.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. JAPAN_BCAS Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 47 TUNER 2013.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 48 TU_SYMBOL 2013.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 49 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR RS232C THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 50 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 51 2013.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 52 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2013.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 53 2013.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. D14_DDR Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 54 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2013.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 55 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR U_LVDS INPUT THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 56 2013.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR Output_wafer THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 57 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR 0.1uF THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 2013.12.17 4th layer URSA7_DDR Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 58 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2013.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 59 2013.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. U_Power Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 60 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2013.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 61: Front Speaker
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2013.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 62 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2013.12.17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 65 It is different form each HDMI port spec It is different form each HDMI port spec. We offer a HDMI cable for HDMI 1.4 legacy issue. HDMI2.0 HDMI1.4 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 66 `14 ULTRA HD New Feature 2. Audio UB95 Woofer Woofer UB85/UB83 : 내장 speaker (woofer/stereo) Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 67 주변 환경에 따라 화질과 밝기를 조정합니다. 2014 model : Intelligent sensor + Color sensor 조이스틱 버튼을 좌, 우로 움직여 메뉴를 선택 할 수 있습니다. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 68 ’13 Carry 13 Carry 802 11 802.11ac Over UB98 79” 65” 55” 16:9 65” UB95 55” 802.11n (BT Combo) 55” UB85 49” Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 69 LCD TV Repair Guide `14 years New Models < Applicable Model > 65UB9500-NA 65UB9500 NA Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 70 HDMI switch Audio Audio AMP Video processor (LGE7411:URSA9), DDR Memory B/T Wifi Local Key +IR 4K processor_Digital(LG1512), DDR Memory DDR Memory Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 71 Video & Audio IN/OUT Audio OUT HDMI2.0 Block 10. USB / Wi-Fi / M-REMOTE / UART 2014년 03월17일 TV사업부 TV사업부 TV제품개발1팀 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 72 GPIO30 High ※ 단, UD Resize case 인 경우 Video path는 Video path는 FHD 와 동일 path 로 출력됨. HDMISW U14 URSA9 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 73 TS output From H13D URSA9 2:1 Mux 792MHz 16x4 DDR3 16x4 800MHz DDR3 1Gb x 4 (1866) 1Gb x 4 (1866) Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 74 HDMI-Rx 1.4 SPLL DPLL (1-port PHY) DDR3 Controller DDR3 Controller DDR3 Controller DDR3 Controller 3D, ARC, 4kx2k DDR3 PHY DDR3 PHY Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 76 M1 DDR DM0-1 D14(2bit) M1_DDR_DM0-1_D14(2bit) HDMI1 TX2P HDMI1_TX2P DDR3 DDR3 HDMI1_TXCN HDMI1_TXCP 1G bit 1G bit IC3501 IC3501 M1_U_CLK_D14 DEV_HDMI_MUX1 DEV_HDMI_MUX1 M1_U_CLKN_D14 HDMI1_DDC_DA HDMI1_DDC_CK Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 77 - 1Gbit (x16) - 1Gbit (x16) - 1Gbit (x16) - 1Gbit (x16) PANEL_VCC - 800MHz - 800MHz - 800MHz - 800MHz Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 78 AL36 [TP_DVB_SOP] M_SYNC 15 AL35 [TP_DVB_VAL] FE_DEMOD1_TS_CLK M_MCLK 14 AL37 [TP_DVB_CLK] M_VALID 16 FE_DEMOD1_TS_VAL CVBS M_CVBS 9 V15[CVBS_IN1] TUNER_SIF H18[AAD_ADC_SIF] M_SIF 8 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 79: Video & Audio In/Out
COMP2_PB_IN_SOC COMP2_Y_IN_SOC Component COMP2_Y_IN_SOC_SOY COMP2_PR_IN_SOC Phone COMP1_Y/Pb/ [PB2/Y2/SOY2/PR2_IN] JACK HP_L/ROUT_MAIN AUDA_OUTL/R Tuner TU_CVBS_ISOC TU_CVBS [CVBS_IN1] TUNER_SIF_TU TUNER_SIF DIF[P/N] ADC_I_INP/INN [AAD_ADC_SIF] [ADC_I_INP/INN] Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 80 AMP_RESET_N AMP_MUTE MICOM SIDE_HP_MUTE TU SIF TU_SIF [AAD_ADC_SIF] TPA6138A2 HEADPHONE HP_L/ROUT_MAIN Headphone [AUDA_OUTL] [PHY0_ARC_OUT_0] [IEC958OUT] Phone Jack LINE OUT SPDIF_OUT SPDIF_OUT_ARC Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 81 DDC_I2C 2bits HDMI_HPD_4 X-TAL URSA9 MHL_DET 27MHZ HDMI_OUTPUT 5V_HDMI_4 CEC_REMOTE MICOM (IC3000 / R5F100GEAFB) (IC3000 / R5F100GEAFB) MHL OCP (IC3206 /SIL1292CNUC) Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 82 [USB2 2 DP0] [USB2_2_DP0] [GPIO91] [GPIO90] WIFI_DM [USB2_0_DM] WIFI_DP [USB2_0_DP] Wifi Combo M_RFModule_RESET [GPIO13] SOC_RX [UART0_RXD] SOC_TX RS-232C Jack [UART0_TXD] LG1154D_H13D RENESAS MICOM Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 83 IR Jog Key ASSY BT/Wifi Combo ASSY BT/Wifi C BT/Wifi Combo ASSY b ASSY IR J IR Jog Key ASSY ASSY To Main Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 84 Circuit noise, mechanical noise F. Exterior error Exterior defect First of all, Check whether there is SVC Bulletin in GCSC System for these model. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 85 Always check & record S/W Version and White Replace Main Board Re-enter White Balance value Balance value before replacing the Main Board Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 86 Power No Video/ replace voltage? Board ( 3.5V,12V,20V No audio MAIN B/D or 24V…) Replace Power Board and repair parts Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 87 Contact with signal distributor Contact with signal distributor or broadcaster (Cable or Air) Picture? Normal Picture? Replace Main B/D Close Close Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 88 Request repair for external device/cable Check external External device External device device and Replace Main/T-con B/D HDMI /Cable cable error normal Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 89 (Check normal operation of Main /T-con Main /T-con normal? normal? External Input, Component, RGB and HDMI/DVI by connecting Jig, pattern Generator ,Set-top Box etc. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 90 Measure voltage of each output of Power B/D Normal? Normal ※ Replace Main B/D voltage? Close Normal Check ST-BY 3.5V voltage? ☞A18 Replace Power B/D Replace Power Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 91 "POWEROFF_ABNORMAL1" Power off by abnormal status except CPU trouble Abnormal "POWEROFF_CPUABNORMAL" Power off by CPU Abnormal Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 92 Speaker off Board Board Cancel OFF Replace Power Board and repair parts Check Disconnection Replace MAIN Board Speaker disconnection Replace Speaker Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 93 Check and fix external device Check and fix external device Check and fix external device Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 94 (Power B/D don’t have problem) If R/C operate, Normal Close Explain the customer operating? cause is interference from light in room. Replace R/C Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 95 * If you conduct the loop at 3times, change the M4. * INSTART MENU 14.RF Remocon Test 3. Firmware download download Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 96 Main B/D ☞A24 Close Check & Repair Wifi cable connection ☞A4 ☞A4 Wi-Fi Mac value Close is “NG”? Change the Wifi assy Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 97 Main B/D ☞A25 Close Check & Repair Camera cable connection ☞A4 ☞A4 Camera Ver. Close is “NULL”? Change the Camera assy Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 98 S/W Version HDMI/ Check and fix DVI, Optical Replace Main B/D Fix in external device/cable Recognition error accordance with technical information Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 99 “Part related to nose” in the Owner’s l t d t ” i th O ’ provide the description) Manual. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 100 Replace cabinet damage Remote controller controller Replace remote controller Replace remote controller damage Stand Replace stand ep ace sta d dent dent Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 101 A-3/5 Inverter/ Module Exchange Module (1) A-4/5 Exchange Module (2) Exchange Module (2) A-5/5 A 5/5 Continue to the next page Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 102 Wifi operation checking method Camera operation checking method Camera operation checking method Not Used Not Used E. Etc Tool option changing method Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 103 After turning on the power and disassembling the case, check with the naked eye, whether you can see light from locations. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 104 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. (Cool/Medium/Warm), re-enter the value after replacing the MAIN BOARD. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 105 <ALL MODELS> 간편설정 채널 채널설정 수동 채널 When the signal is strong, use the attenuator (-10dB, - ( 10dB 15dB, -20dB etc.) Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 106 <ALL MODELS> 1. Checking method for remote controller for adjustment Version Press the IN-START with the remote controller for adjustment t ll Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 107 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. pp y, Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 108 LCD TV connection diagram (1) date <ALL MODELS> As the part connecting to the external input, check the screen condition by signal Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 109 Check the contact condition of the Link Cable especially dust or mis insertion Check the contact condition of the Link Cable, especially dust or mis insertion. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 110 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 ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 111 Solder defect, CNT Broken Solder defect, CNT Broken T-Con Defect, CNT Broken Abnormal Power Section Solder defect, Short/Crack Solder defect, Short/Crack A - 1/5 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 112 Solder defect Short/Crack Solder defect, Short/Crack Abnormal Display Fuse Open, Abnormal power section Solder defect, Short/Crack Noise GRADATION GRADATION A - 2/5 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 113 Appendix : Exchange Power Board (PSU) No Light Dim Light Dim Light Dim Light No picture/Sound Ok A - 3/5 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 114 Panel Mura, Light leakage Press damage Crosstalk Press damage Crosstalk Un-repairable Cases In this case please exchange the module. Press damage A - 4/5 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 115 In this case please exchange the module. Horizontal Block Gate TAB IC Defect Gate TAB IC Defect Gate TAB IC Defect A - 5/5 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 116 Check front Power Indicator I di date <65UB9500-NA> ST BY ST-BY condition: On or Off diti Power ON condition: Turn Off Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 117 Maker : Yeonho 28Pin SMAW200-H28S5K ’14년 적용 28Pin map (LPB) PWR ON DVR_ON P_DIM #1 PDIM #2 3.5V 3.5V 3.5V SCLK VSYNC Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 118 Entry method 1. Press the IN-START button of the remote controller for adjustment 2. Check the entry into adjustment item 3 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 119 1. Press the Setting button on the remote controller 2. Select the Sound function of the Menu 3. Select the Sound Out 4. Select TV Speaker Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 120 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 ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 121 3.AS checking the Pre-Amp(IR LED light) , the power is in ON condition, an Analog Tester needle should move slowly otherwise it’s defective needle should move slowly, otherwise, it s defective. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 122 Checking order to check motion remote/wifi Checking order 1.Check BT/Wifi cable condition between BT/Wifi assy & Main board. 2.Check the 3.5V on the terminal 16 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 123 Changing method Contact the USB memory. (USB 1,2,3 jack) Enter the password. (ex. 000000) * Access USB Memory has each password. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

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