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Only for training and service purposes.

SPECIFICATION

NOTE : Specifications and others are subject to change without notice for improvement.

1. Application range

This specification is applied to the OLED TV used EA91E

chassis.

2. Test condition

Each part is tested as below without special appointment.

(1) Temperature : 25 ºC ± 5 ºC(77 ± 9 ºF) , CST : 40 ºC ± 5 ºC

(2) Relative Humidity: 65 % ± 10 %

(3) Power Voltage

: Standard input voltage (AC 100-240 V~, 50/60 Hz)

* Standard Voltage of each products is marked by models.

(4) Specification and performance of each parts are followed

each drawing and specification by part number in

accordance with BOM.

(5) The receiver must be operated for about 5 minutes prior to

the adjustment.

3. Test method

(1) Performance: LGE TV test method followed

(2) Demanded other specification

- Safety : UL, CSA, CE, IEC specification

- EMC : FCC, ICES, CE, IEC specification

4. General Specification

Item

Specification

Remark

Market

North America

Broadcasting system

ATSC / NTSC-M, 64 & 256 QAM

Available Channel

VHF : 02~13
UHF : 14~69
DTV : 02-69
CATV : 01~135
CADTV : 01~135

Receiving system

Digital : ATSC, 64 & 256 QAM

Analog : NTSC-M

Video Input

NTSC-M

Rear gender(1EA)

HDMI Input

HDMI 1

PC / DTV format

Support 6Gbps

HDMI 2

PC / DTV format

Support 6Gbps, Support ARC

HDMI 3

PC / DTV format

Support 6Gbps

HDMI 4

PC / DTV format

Support 6Gbps

Audio Input

AV Audio / DVI Audio

Rear(AV Gender), Except Korea model

L/R Input : Rear

AV and DVI use same jack

Audio out

SPDIF(1EA)

Optical Audio out

Rear(1EA)

HeadPhone(1EA)

HeadPhone out

Rear(1EA)

USB Input(3EA)

EMF, DivX HD, For SVC (download)

JPEG, MP3, DivX HD

10 Ethernet Connect (1EA)

Ethernet Connect

Содержание OLED55E9PUA

Страница 1: ...il facsimile or other electronic means publication modification copying or transmission of this Service Manual is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual The material covered by this prohibition includes without limitation any text graphics or logos in this Service Manual Copyright 2019 LG Elect...

Страница 2: ...served Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 SOFTWARE UPDATE 9 BLOCK DIAGRAM 10 EXPLODED VIEW 16 ASSEMBLY DISASSEMBLY GUIDE APPENDIX TROUBLE SHOOTING GUIDE APPENDIX ...

Страница 3: ...he set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as ...

Страница 4: ...c charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent poten tial shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrosta...

Страница 5: ...oints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 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 3 Solder the connections CAUTION Maintain original spacing between the replaced component...

Страница 6: ...to the adjustment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety UL CSA CE IEC specification EMC FCC ICES CE IEC specification 4 General Specification No Item Specification Remark 1 Market North America 2 Broadcasting system ATSC NTSC M 64 256 QAM 3 Available Channel VHF 02 13 UHF 14 69 DTV 02 69 CATV 01 135 CADTV 01 135 4 Receiving system Digital ATS...

Страница 7: ...40 2160 225 100 1188 UDTV 2160P When HDMI1 2 3 4 UHD DEEP COLOUR ON HDMI SWITCH model 17 3840 2160 270 120 1188 UDTV 2160P 18 4096 2160 53 95 23 97 296 7 UDTV 2160P 19 4096 2160 54 24 297 UDTV 2160P 20 4096 2160 56 25 25 297 UDTV 2160P When HDMI1 2 3 4 UHD DEEP COLOUR ON 21 4096 2160 67 5 30 297 UDTV 2160P 22 4096 2160 112 5 50 594 UDTV 2160P 23 4096 2160 135 60 594 UDTV 2160P 24 4096 2160 225 100...

Страница 8: ...P 24 1920 1080 135 120 297 HDTV 1080P 25 3840 2160 53 95 23 98 296 7 UDTV 2160P 26 3840 2160 54 24 297 UDTV 2160P 27 3840 2160 56 25 25 297 UDTV 2160P 28 3840 2160 61 43 29 97 296 7 UDTV 2160P 29 3840 2160 67 5 30 297 UDTV 2160P 30 3840 2160 112 5 50 594 UDTV 2160P When HDMI1 2 3 4 UHD DEEP COLOUR ON 31 3840 2160 134 86 59 94 593 4 UDTV 2160P 32 3840 2160 135 60 594 UDTV 2160P 33 3840 2160 225 100...

Страница 9: ... About This TV page for update 5 TV is updating 6 After finished the update below Pop up appear 7 Click Yes TV will be DC OFF ON 8 After TV turned on Check the updated SW Version and Tool Option 2 NSU This Function is needed to connect to the internet 1 Menu All Settings General About This TV 2 Click CHEK FOR UPDATES system check newest version 3 Click DOWNLOAD AND INSTALL 4 TV is updating 5 After...

Страница 10: ... IC USB1 2 0 OPTIC LAN DDR4 512MB X 2EA HDMI1 2 1 HDMI2 2 1 HDMI3 2 1 SYSTEM EEPROM USB2 2 0 USB3 2 0 eMMC Micom P_TS X_TAL I2S Out H P R E A R S I D E R E A R H HP AMP SPDIF OUT BLUTOOTH IR KEY EYE WIFI SUB ASSY IR KEY I2C CVBS SIF Tuner ARC X_TAL OCP 1 5A OCP 1 5A HDMI4 2 1 DDR Controller DDR4 512MB X 2EA DDR4 512MB X 2EA 1 Main ...

Страница 11: ...ervice purposes SCL5 SDA5 AAD_ADC_SIF Tuner I2C_SCL_5_TU 1 I2C_SDA_5_TU 2 TU_SIF_TU 6 TU_CVBS_TU 4 IF_AGC_TU 5 TU_CVBS IF_AGC CVBS_IN1 IFAGC 3 3V_TU 1 8KΩ Main IC 3 3V_TU 3 3 3V_TU 33 Ω DMD_TADC_INP DMD_TADC_INN IF_P 8 IF_N 7 FILTER IF_P_TU IF_N_TU TADC_I_INP TADC_I_INN 2 Tuner ...

Страница 12: ...b_IN_IC COMP2_Pr_IN_IC J J ACK AV1 JACK Jack Side IC Side SPDIF_OUT SPDIF OUT H P JACK HP_LOUT_JACK HP_ROUT_JACK AU9 IEC958OUT AR9 AUDA_OUTL AT9 AUDA_OUTR SPDIF_OUT_ARC AL34 ARC_OUT COMP2 AV_L_IN COMP2 AV_R_IN AR10 AUAD_L_CH2_IN AT10 AUAD_R_CH2_IN AUAD_L_CH2_IN AUAD_R_CH2_IN HP AMP ARC OUT HDMI2 Front Speaker Woofer Speaker MICOM AMP_RESET SCK LRCK DACLRCH I2C_SCL_0 SDA_0 I2S GPIO17 Audio AMP Audi...

Страница 13: ...O 4EA I2C_2 0x42 S W 4Pin Debug I2C_4 ARC ARC TX eARC TX ARC_RX MUX Micom CEC I2C_1 4Pin UART Debug HDMI UEI Detect Each Port 17 SPDIF Jack SPDIF GPIO11 GPIO12 Low High GPIO GPIO IC switch IC Description M16p3 O18 AH14 GPIO29 AM11 GPIO107 Y19 RESET HWAK2_RESET S W RESET AJ13 GPIO30 AN11 GPIO108 V9 GPIO08 HAWK2_WAKE_ON PM Mode enable AJ16 GPIO28 AJ8 GPIO82 D15 DTX01 HWAK2 READY Ready A31 GPIO93 AF5...

Страница 14: ...USB3_0_DP0 DM0 USB2_1_DP0 DM0 USB2 0_2_DP1 DM1 USB2 0_3_DP0 DM0 USB2_0_DP0 DM0 JK7200 RS232C phone Jack IC_RX TX UART wafer P3401 P3402 IC_RX TX USB 2 2 0 _H USB 3 2 0 _H WIFI_EN OCP EB_CS0 USB_CTL1 5V_USB_1 OCP GPIO95 USB_CTL2 5V_USB_2 OCP SPI_DO1 USB_CTL3 5V_USB_3 UART0_TXD GPIO105 Main IC USB 2 2 0 _V USB2 0_1_DM0 DP1 COMBO_RESET BT_WAKEUP_DEVICE BT_WAKEUP_HOST 3 5V_WIFI North America only 5 US...

Страница 15: ...ST 33pF 18pF Cap Ready 0x56 0x52 0xC A 0x10 0xA0 Device addres s I2C_SCL4 AL21 SCL4 I2C_SDA4 AM21 SDA4 I2C_SCL1 AM19 SCL1 I2C_SDA1 AN19 SDA1 I2C_SCL3 AL23 SCL3 I2C_SDA3 AL22 SDA3 I2C_SCL0 AL20 SCL0 I2C_SDA0 AL19 SDA0 I2C_SCL2 AM20 SCL2 I2C_SDA2 AN20 SDA2 I2C_SCL5 AN22 SCL5 I2C_SDA5 AM22 SDA5 Tuner 1 2KΩ 3 3V_TU 33Ω 47pF 3 3V_NORMAL 3 3KΩ OLED module P7601 Vx1 51Pin Wafer 33 34pin 38 39pin 100 Ω IC...

Страница 16: ...e identified by in the EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORTANT SAFETY NOTICE 200 400 540 521 570 571 510 800 200T 810 530 HP1 HR1 121 HS1 HW1 512 511 AR2 A10 700 900 710 410 120 500 501 ...

Страница 17: ...Disassembly Guide ...

Страница 18: ... Detach the code from the Latch of the Cover Stand Base Cover Stand Bar Outer Cover Stand Base 1 1 1 2 Cover Stand Deco Top when take off the stand deco top Lift bottom first and then open upward when take off the Stand Deco Top Open forward Caution the latch breakening ...

Страница 19: ...tand s latch from the hole of the Cover Rear 3EA 2 1 Unscrew 5ea screws 11 2 11 2 11 2 11 2 11 2 Must need at least 2 men A man holding the head part A man inserting the Stand Stand Bridge Grip the both sides of the stand bridge 2 2 Be sure to hold the Head part while disassembling the Stand ...

Страница 20: ...rd 1EA 3 2 Lift up the Power Cord to remove the Bracket Power Cord 3 3 Separate Power PCB Wafer from the Power Cord Harness 3 2 3 1 Unscrew the screw 1EA Power Cord Harness separation Lift up the Power Cord to remove the Bracket Power Cord 3 3 ...

Страница 21: ...e AV 4 2 Unscrew the screw of Cover Rear 5EA 4 3 Grip the site of removed Bracket Power Cord and lift it up the Cover Rear will be disconnected from the module by disconnecting the latch LATCH Point 4 2 4 2 4 3 4 2 4 2 4 2 4 1 ...

Страница 22: ...5 1 5 1 Separate the speaker harness and IR harness on the latch SPEAKER HARNESS separation IR HARNESS separation ...

Страница 23: ...cket IR by pressing both side faces 6 2 Unscrew the Wi fi Jog Ass y Screw 1ea and then separate Insert Harness into the STOPPER until Connect sound is occurred 1 2 Bracket IR Wi fi Jog Ass y 6 1 6 2 Disassemble the Screw ...

Страница 24: ... 7 1 Disconnect the Harness connecting the main PCB to the each L R speaker 7 2 Disassemble the 4EA screws on both sides of the L R speakers and Detach from the PEM nut R L 7 2 7 2 7 2 7 2 7 1 7 1 ...

Страница 25: ...the main PCB and the Power PCB and then remove the harness from the latch 8 2 Disassemble the 12ea screws of Main PCB and Power PCB and remove from the PEM Nut 8 2 8 2 8 2 8 2 8 1 8 2 8 2 8 2 8 2 8 2 8 2 8 2 8 1 8 1 Power PCB Main PCB 8 2 ...

Страница 26: ...te the Bracket Side AV connected to Main PCB hole 9 1 9 2 P7602 P7601 3 1 2 P7603 P5901 2 4 1 41P FFC cable Main PCB P7602 2 51P FFC cable Main PCB P7601 3 24P Harness Main PCB P7603 4 Multi Harness Main PCB P5901 2 Main PCB TOP Main PCB BOTTOM Hole Bracket Side AV ...

Страница 27: ... 10 1 Unscrew the screws EA 10 2 Remove the Bracket Stand Supporter 3EA 10 1 10 1 10 2 10 2 10 2 ...

Страница 28: ... 11 1 Unscrew the screws 4EA 11 2 Remove the VESA Bracket 4EA in order of ⓐ to ⓑ Detach from ⓐ to ⓑ ⓑ ⓐ 11 1 11 1 11 1 11 1 11 2 ...

Страница 29: ...s 5ea and then remove the Plate Shield from the T Con PCB 12 3 detach the T Con PCBA from the PEM Nut Disassembly complete 12 2 12 2 12 2 12 2 12 2 12 1 12 1 12 1 12 1 Clip Open FFC Cable 4ea separation Unscrew 5 Point Shield Plate separation T Con PCB separation 12 3 ...

Страница 30: ...Assembly Guide ...

Страница 31: ...PCB on PEM Nuts 1 2 Put the Plate Shield on T Con PCB and then assemble with the 5ea screws 1 3 Insert the FFC Cables 4ea and close the clip 1 2 1 2 1 2 1 2 1 2 1 3 1 3 1 3 1 3 FFC Cable 4ea insertion Clip Close T Con PCB insertion Shield Plate assemble Screw 5ea fixing 1 1 ...

Страница 32: ... 2 1 Insert VESA Bracket 4ea ⓐ ⓑ 2 2 Assemble the screw 4ea Assemble the screw after insert ⓐ ⓑ ⓐ ⓑ 2 2 2 2 2 2 2 2 2 1 ...

Страница 33: ... 3 1 Fix the Bracket Stand Supporter 3ea 3 2 Assemble the screws 6ea 3 2 3 2 3 1 3 1 3 1 ...

Страница 34: ...rt the 4ea Harnesses into the Main PCB board PCB TOP PCB BOTTOM Insert to the hole 4 1 4 2 P7602 P7601 3 1 2 P7603 P5901 2 4 1 41P FFC cable Main PCB P7602 2 51P FFC cable Main PCB P7601 3 24P Harness Main PCB P7603 4 Multi Harness Main PCB P5901 2 Bracket Side AV ...

Страница 35: ...emble Fix the Main PCB and Power PCB with 12ea screws 5 2 Connect the Main PCB and Power PCB with Harness and hang the Harness on hook 5 1 5 1 5 1 5 1 5 2 5 1 5 1 5 1 5 1 5 1 5 1 5 1 5 2 5 2 Main PCB Power PCB ...

Страница 36: ... 6 1 Assemble the L R Speaker with 4ea screws 6 2 Connect the Main PCB and each L R Speaker with Harness RH LH 6 1 6 1 6 1 6 1 6 2 6 2 ...

Страница 37: ...Bracket IR and fix it 7 2 Insert the Wi fi Jog Ass y and assemble with the 1ea screw Insert Harness into the STOPPER until Connect sound is occurred Insert 1 2 Insert Insert Bracket IR Wi fi Jog Ass y 7 1 7 2 Screw 1ea ...

Страница 38: ...8 1 8 1 Arrange the IR Harness and Speaker Harness Holding the hook when arrange the harness Insert the Speaker harness Insert the IR harness ...

Страница 39: ...mble the Rear Cover and Module by pushing the latches 9 2 Assemble the 5ea screws 9 3 Insert the Cover Side AV Push the LATCH follow arrows Check the gap Module to B C after aseembly 9 2 9 2 9 1 9 2 9 2 9 2 9 3 ...

Страница 40: ...ss into Power PCB Wafer and assemble Bracket Power Cord by Latch 10 2 Assemble Bracket Power Cord Cover Rear Module the screw 1ea Check the direction Insert to the POWER PCB 10 1 10 2 Bracket Power Cord Push the Bracket Power Cord ...

Страница 41: ...of Cover Rear 3ea 11 2 Assemble the Stand with 5ea Screw 11 1 11 2 Fix the Screw 5ea Must need at least 2 men A man holding the head part A man inserting the Stand 11 2 11 2 11 2 11 2 11 2 Cover Rear Hole Stand Latch Stand Bridge Grip the both sides of the stand bridge Insert the latch into hole ...

Страница 42: ...semble the Cover Stand Bar Outer and Cover Stand Deco Top Reassembly complete Cover Stand Bar Outer Cover Stand Base 12 1 12 2 After assemble the Cover Stand Bar Outer Check the center latch is fixed well Check the Gap between Rear Cover Cover Stand Deco Top ...

Страница 43: ... from the set packaging 2 Remove the Stand assembly from the Stand packing and remove the Stand Deco Top 1 2 Stand assembly installed in Box without laying down the Head Stand Deco Top Stand Packing E9 Installation Handling Guide ...

Страница 44: ... 3 Support the Stand Top Packing as shown in the figure and place the stand on the saddle E9 Installation Handling Guide Rear View 3 ...

Страница 45: ... 4 Assemble the 5 screws on the stand to connect to the head Rear View 4 Screw Point 5EA E9 Installation Handling Guide ...

Страница 46: ...the Stand Outer and Stand Deco Top E9 Installation Handling Guide Rear View Caution When handling the Set Don t grab the Panel 5 After assemble the Cover Stand Bar Outer Check the center latch is fixed well Check the Gap between Rear Cover ...

Страница 48: ... viewing power auto on off 7 9 8 C Audio error No audio Normal video 10 9 Wrecked audio discontinuation noise 11 10 D Function error Remote control Local switch checking 12 11 Magic Remote control operating checking 13 12 Wi Fi operating checking 14 13 External device recognition error 15 14 E Noise Circuit noise mechanical noise 16 15 F Exterior error Exterior defect 17 First of all Check whether...

Страница 49: ...arts End Always check record S W Version and White Balance value before replacing the Main Board Replace Main B D Re enter White Balance value Precaution Established date Standard Repair Process Revised date 1 17 Error symptom A Video error No video Normal audio A10 A11 A10 A11 A4 A2 First of all Check whether all of cables between board is inserted properly or not Main B D Power B D Vx1 Cable Spe...

Страница 50: ...Check and replace Main B D Y Replace Power B D or repair parts N End Standard Repair Process No video No audio A10 A11 Established date Revised date 2 17 Error symptom 2 A Video error Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 51: ...ostics menu on OSD All Settings Programmes Programme Tuning Settings Manual Tuning Antenna DTV Check the signal level Signal Strength Normal over 50 Signal Quality Normal over 50 Normal Picture Y Contact with signal distributor or broadcaster Cable or Air N Normal Picture Y Close N A4 Standard Repair Process Established date Revised date 3 17 Error symptom 3 N Y N S W Upgrade SVC Bulletin Normal P...

Страница 52: ...xternal device and cable Y External device Cable normal HDMI error Check external device and cable Replace Main B D Replace Main B D N N Color error A6 N Y End Replace Module Request repair for external device cable Color error Check Test pattern A8 A7 Standard Repair Process Established date Revised date 4 17 Error symptom 4 A Video error Copyright 2019 LG Electronics Inc All rights reserved Only...

Страница 53: ...nput HDMI DVI by connecting Jig pattern Generator Set top Box etc N Y Replace Main B D Module Screen normal Check screen condition by input External Input AV Component HDMI Request repair for external device HDMI Connect other external device and cable Check normal operation of External Input Component AV and HDMI by connecting Jig pattern Generator Set top Box etc Replace Main B D Module Screen n...

Страница 54: ... each output voltage of Power B D N Y Normal voltage Replace Main B D Y OK Replace Main B D N Y Normal Check ST BY 7 8V Replace Power B D N Y Normal voltage Replace Power B D Y A9 A10 A11 A10 A11 A10 A11 Standard Repair Process Established date Revised date 6 17 Error symptom 6 Stand By Red or Turn On Operating Turn Off Close Copyright 2019 LG Electronics Inc All rights reserved Only for training ...

Страница 55: ...bnormal If Power Off mode is not displayed Check Power B D output voltage Y N Replace Main B D Normal voltage Replace Power B D Replace Power B D N Y Normal End Caution Check and fix exterior of Power B D Part A12 A10 A11 Established date Revised date 7 17 Error symptom Standard Repair Process 7 Abnormal 1 B Power error Copyright 2019 LG Electronics Inc All rights reserved Only for training and se...

Страница 56: ...s to low while power on status Normal Case Check Change Main B D POWER_OFF_BY_5VMNT Power off by not unstable AC power detect Result micom check the stable power Condition When AC on or DC on stabilization check routine Power Detect High Check fail after multi power on Check Change Main B D POWER_OFF_BY_NO_POLLING Power off when receiving no ack Debug Status Release Mode Result TV power off on Reb...

Страница 57: ...2 hours POWER_OFF_BY_ON_TIMER Power off by On timer Power off when no remote and local key input for 2 hours after power on by On timer POWER_OFF_BY_RS232C Power off by RS232C command POWER_OFF_BY_RESREC Power off by reserved recording Power off automatically after recording finishes after TV turns on by reservation recording from power off status POWER_OFF_BY_SWDOWN Power off by software download...

Страница 58: ...al voltage Y N Replace Power Board or repair parts Check Speaker cable connection N Y Connect Speaker cable Replace Main B D End C Audio error No audio Normal video A13 A14 A10 A11 Disconnection Established date Revised date 10 17 Error symptom Standard Repair Process 10 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 59: ... and check other external device N Y Normal audio Check and fix external device Replace Power B D N Y Normal voltage Check input signal RF External Input signal Signal normal When RF signal is not received Request repair to external cable ANT provider Y Check audio B Voltage 20V Replace Main B D In case of External Input signal error Check and fix external device Replace Main B D N End Established...

Страница 60: ...ck Replace Baterry of R C Check Repair Cable connection Connector solder Normal operating Check B 3 5V on Main B D A15 Normal Voltage Close N N Check 7 8V on Power B D Replace Power B D or Replace Main B D Power B D don t have problem A10 A11 Check IR Output signal Normal Signal N Y Repair Replace IR B D N A15 Replace Main B D Y A15 Standard Repair Process Established date Revised date 12 17 Error...

Страница 61: ...k message N N N Y Replace Magic remote control Turn off on the set and press the wheel Press the back key about 5sec If you conduct the loop at 3times change Magic remote control Y Check the Instart menu RF Receiver ver is 00 00 Y Check Repair RF assy connection N Download the Firmware Instart Memu 12 RF Remote control Test Receiver Firmware Download Y RF Receiver ver is 00 00 N A16 A4 A4 Close Cl...

Страница 62: ... N Check the Wi Fi wafer 19 24 pin Standard Repair Process Established date Revised date 14 17 Error symptom 14 Replace the Wi Fi assy Normal Voltage Y Y N Replace Main B D Wi Fi MAC is NG N A16 A4 A4 A16 Close Close D Function error Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 63: ... fix external device cable HDMI DVI Optical Recognition error Replace Main B D Replace Main B D Fix in accordance with technical information External device recognition error Established date Revised date 15 17 Error symptom Standard Repair Process 15 D Function error Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 64: ...ceed as shown in the solution manual For models without any fix information provide the description Mechanical noise is a natural phenomenon and apply the 1st level description When the customer does not agree apply the process by stage Describe the basis of the description in Part related to nose in the Owner s Manual E Noise Circuit noise Mechanical noise Established date Revised date 16 17 Erro...

Страница 65: ...e cabinet Replace remote control Remote control damage Stand dent Replace stand F Exterior defect Exterior defect Established date Revised date 17 17 Error symptom Standard Repair Process 17 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 66: ...ideo error_ Color error Check Link Cable Vx1 reconnection condition A7 8 Adjustment Test pattern ADJ Key A8 9 Appendix Defected Type caused by Cable Main Board Module Example of Symptom Image error A 1 10 Example of Symptom Image error A 2 10 Example of Symptom Main A 3 10 Example of Symptom Main A 4 10 Example of Symptom Main A 5 10 Example of Symptom Module A 6 10 Example of Symptom Module A 7 1...

Страница 67: ...nd speaker checking method when there is no audio A14 15 D Function error Remote control operation checking method A15 16 Wi Fi Motion Remote operation checking method A16 17 E Etc How to use the Service remote control A17 A19 18 Check items after Main B D replacement A20 19 How to use JIG Power B D Diagnostic Smart Jig Multi Gender A21 Continued from previous page Contents of Standard Repair Proc...

Страница 68: ...eck BDP Point A Video error_No video Normal audio A1 Check a voltage of R7624 after turn on the TV If the voltage is low Vx1 is locked OK R7624 0 V Check a voltage of R7632 after turn on the TV If the voltage is high BDP issue NG Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 69: ... Press ADJ button on Factory Service Remote control 2 Enter into 12 White Balance 3 After recording the R G B Gain Cut value of each Color Temp Cool Medium Warm re enter the value after replacing Main board A Video error_No video Normal audio Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 70: ... Error symptom Content A3 1 Press MENU button on Factory Service remote control 2 Enter into Manual Tuning menu as below All Settings Programmes Programme Tuning Settings Manual Tuning 3 Check the signal level When the signal is strong use the attenuator 10dB 15dB 20dB etc Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 71: ...rsion A4 Established date Revised date Error symptom Content A4 1 Press IN START button on Factory Service remote control 2 Check S W Version A Video error_Video error video lag stop Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 72: ...Revised date Error symptom Content A5 Checking method 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 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 73: ..._Vertical Horizontal bar Residual image Light spot A6 Established date Revised date Error symptom Content A6 As the part connecting to the external input check the screen condition by signal Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 74: ...nnection condition A Video error_Color error A7 Established date Revised date Error symptom Content A7 Check the contact condition of the Link Cable especially dust or mis insertion Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 75: ...n of FFC cable Cable R Color Excessive Color is Excessive due to FFC Cable Contact Cable Screen darkness screen is dark due to poor contact due to disconnection of the FFC cable pin Cable G Color Excessive G color transient due to poor FFC cable connection Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 76: ...m Image Cable Color spread Vx1 cable connection problem Cable Color spread Vx1 cable connection problem Cable Color spread Vx1 cable connection problem Cable Screen stop Due to foreign substance withi nLVDS cable PIN Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 77: ...Main Screen noise Broken screen due to Main IC problem Main Dark picture Dark left side screen Main Broken picture Top bottom screen part Picture problem due to tuner Inner side quality problem Appendix Examples of Symptoms Main Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 78: ...anner Main Screen spread Screen corner appears blurry Main Color Spread Color spread on the screen Main Blurry Screen Blurry picture on the screen Check parts by symptom Appendix Examples of Symptoms Main Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 79: ...tage G color spread after 10 minutes Main Right side Screen problem Right side screen problem Main LG logo Screen problem Screen picture spread problem Main Right side picture problem No problem at the initial stage During Heat run right side picture problem Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 80: ...le Vertical bar Un repairable Cases In this case please exchange the module Module image broken Source Driver issue Module White dot White dot cause by panel issue Module Line Dim Vertical Line cause by source drive IC Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 81: ...e Symptom Image Module Burnt Module burnt Module Horizon line Module has damaged Module Line Defect Module has damaged Module Press damage Un repairable Cases In this case please exchange the module Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 82: ...urce drive IC Module Vertical Noise Brightness difference Un repairable Cases In this case please exchange the module Module Green light Compensation error when Power On off Module Color difference Color difference between screen cause by compensation error Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 83: ...oms Module Item Symptom Name Cause Symptom Image Module No image Module has damaged Can t fix it Module Burnt Burnt Can t fix it Module Mura Screen Mura Can t fix it Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 85: ...r _No power A9 Established date Revised date Error symptom Content A9 Stand by condition Red Power On condition Turn Off Power indicator control Menu All Settings General Standby Light ON Off Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 86: ...om Content Check power input voltage and ST BY 3 5V A10 B Power error _No power Check 12VM line for ST BY Voltage ST BY status 7 8V Power on DC On status 12V P201 P251 Power To Main B d Power To Module Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 87: ...ror_Off when on off whiling viewing A12 Established date Revised date Error symptom Content A12 1 Press IN START button on Factory Service remote control 2 Check the entry into 3 Power On Off Status Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 88: ...o C Audio error_No audio Normal video A13 Established date Revised date Error symptom Content A13 1 Press MENU button 2 Select All Settings 3 Select Sound menu and Sound Out 4 Select Internal TV Speaker Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 89: ...pplied from Power board If there is no input voltage remove and check the harness 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 Checking order when there is no audio 1 SPK_R _FT 2 SPK_R _FT 3 SPK_L _FT 4 SPK_L _FT 5 SPK_R _CT 6 SPK_R _CT 7 SPK_L _CT 8 SPK_L _CT P201 9 SPK_R _TW 10 SPK_R _TW 11 S...

Страница 90: ...is in ON condition an Analog Tester needle should move slowly otherwise it s defective Pin Pin name 1 LED_R 2 GND 3 IR 4 3 5V_ST 5 GND 6 GND 7 EYE_SCL 8 KEY2 9 EYE_SDA 10 KEY1 11 n c 12 GND 13 3 5V_WIFI 14 GND 15 COMBO_RESET_JA CK 16 BT_WAKEUP_HOS T 17 WOL WIFI_POWER _ON 18 GND 19 3 5V_WIFI 20 WIFI_DP 21 WIFI_SUSPEND RE SUME_JACK 22 WIFI_DM 23 GND 24 3 5V_WiIFI 25 GND IR EYE Sensor Eye LED IR Copy...

Страница 91: ...rd 2 Check the 3 5V on the terminal 13 19 24 Pin Pin name 1 LED_R 2 GND 3 IR 4 3 5V_ST 5 GND 6 GND 7 EYE_SCL 8 KEY2 9 EYE_SDA 10 KEY1 11 n c 12 GND 13 3 5V_WIFI 14 GND 15 COMBO_RESET_JA CK 16 BT_WAKEUP_HOS T 17 WOL WIFI_POWER _ON 18 GND 19 3 5V_WIFI 20 WIFI_DP 21 WIFI_SUSPEND RE SUME_JACK 22 WIFI_DM 23 GND 24 3 5V_WiIFI 25 GND Wifi BT Front Wifi BT Rear Copyright 2019 LG Electronics Inc All rights...

Страница 92: ...al How to use the Service remote control E Etc Established date Revised date Error symptom Content A17 0 4 1 3 0 4 1 3 1 How to access the remote control Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 93: ...ucto Screen 4 3 16 9 PSM Changes in the order of Bright Picture Easy Picture Cinema Spots Game Custom PIcture1 Custom Picture2 Bright Picture SSM Added Function Standard user music cinema sports game standard user PIP Picture In Picture is activated TEXT Access to the Power Only mode CAP Broadcasting caption on off MPX Stereo mode mono stereo foreign language access Used when in factory mode Simpl...

Страница 94: ...te Red Green Blue Black Pattern Off Change X STUDIO Added function HDD USB external device s HDD screen is activated MENU User function gets activated EXIT Exit from the current mode TIME SHIFT Added function Moves forward backward of recorded contents MUTE Mute function 0 Volume IN STOP SET to factory mode VOL Volume Up Down CH Channel Up Down AV1 2 3 Added function Connects to external input 1 2...

Страница 95: ...n the model name and serial number after checking the ID label on the back cover 1 Press the Service remote control instart Key 2 Press the Service remote control ADJ Key No 13 Select White Balance Record the R G B GAIN Cut value of the color temperature before main board replacement After replacing the main board key in the recorded value E Etc Copyright 2019 LG Electronics Inc All rights reserve...

Страница 97: ...K80 UK89 SK85 SK96 SK95 SK99 SM90 SM98 18Y 19Y UK63 UK64 UK65 UK68 UK7050 UM73 UM74 UM75 UM76 UM79 UM80 New JIG OLD JIG Cable Connection 18 Marking check No Marking 24 Marking Check 15Y OLED 17 18Y 19Y W7 B8 C8 E8 G8 W8 B9 C9 E9 W9 18Y 19Y LK57 32 43 49LK54 32LK61 32LK62 43 49LK61 LM57 LM63 18Y 19Y UK74 UK75 UK77 UK78 SK79 SM80 SM86 16Y UH 16 18Y 19Y UH UK UM 17Y 18Y SJ UJ UK SK 16Y 17Y UH SJ 16Y ...

Страница 98: ... LH68 LH66 LH60 LH54 17 OLED B7 C7 E7 G7 W7 17 LED SJ95 UJ98 SJ85 UJ94 SJ80 UJ77 UJ75 UJ78 UJ65 UJ68 UJ63 UJ67 LJ61 LJ68 LJ55 LJ58 18 LED SK80 SK85 SK95 UK78 UK75 UK77 SK79 UK63 UK64 UK65 UK68 UK7050 LK57 32 43 49LK54 32LK61 62 43 49LK61 18 OLED B8 C8 E8 G8 W8 19 LED SM80 SM85 SM86 UM73 UM74 UM75 UM76 UM79 UM80 LM57 LM63 19 OLED B9 C9 E9 W9 Copyright 2019 LG Electronics Inc All rights reserved Onl...

Страница 99: ...4 LCD POWER A 2013 Power Board Muitl Gender How to Connect Connect the Muiti Gender to the connector black as shown in picture 2 of the Smart JIG Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 100: ...agnosis can be made only if it is set correctly 24V Power Board Change the switch to 24V of Smart Jig Voltage 20V Power Board Change the switch to 24V of Smart Jig Voltage 13 2V 18V Power Board Change the switch to 24V of Smart Jig Voltage Power B D Smart Jig Voltage Switch 24V 24V 20V 20V 13 2V 18V 24V Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 101: ... Power Cable connector to the Muitl Gender JIG 24Pin connector 3 1 2 Check power board voltage Switch the product S W in JIG to LCD LCD MODEL Check the power voltage and switch 24V to the correct voltage Fix the LCD MODEL switch to 24V Smart JIG 4 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 102: ...oard Diagnostic method 2 5 6 When the OK LED 24V 12V turns on Power Board is normal When the NG LED turns on the Power Board can be judged as defective Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 103: ...1 3 2 Switch the LCD MODEL S W to 24V by checking the power voltage Fix the LCD MODEL switch to 24V Smart JIG When the OK LED 24V 12V turns on Power Board is normal When the NG LED turns on the Power Board can be judged as defective Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 104: ... switch to 24V Smart JIG Disconnect the Main Board 24Pin Power Cable connector Connect the 24Pin Power Cable connector to the Muitl Gender JIG 24Pin connector When the OK LED 24V 12V turns on Power Board is normal Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 105: ... Main Board 24Pin Power Cable connector Connect the 24Pin Power Cable connector to the Muitl Gender JIG 24Pin connector When the OK LED 24V 12V turns on Power Board is normal When the NG LED turns on the Power Board can be judged as defective Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 106: ... Main Board 24Pin Power Cable connector Connect the 24Pin Power Cable connector to the Muitl Gender JIG 24Pin connector When the OK LED 24V 12V turns on Power Board is normal When the NG LED turns on the Power Board can be judged as defective Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 107: ... the Muitl Gender JIG 28Pin connector Switch the LCD MODEL S W to 20V by checking the power voltage Fix the LCD MODEL switch to 20V Smart JIG When the OK LED 24V 12V turns on Power Board is normal When the NG LED turns on the Power Board can be judged as defective Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 108: ... Muitl Gender JIG 28Pin connector Switch the LCD MODEL S W to 20V by checking the power voltage Fix the LCD MODEL switch to 20V Smart JIG When the OK LED 24V 12V turns on Power Board is normal When the NG LED turns on the Power Board can be judged as defective Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 109: ...the Main Board 18Pin Power Cable connector Connect the 18Pin Power Cable connector to the Muitl Gender JIG 24Pin connector When the OK LED 24V 12V turns on Power Board is normal When the NG LED turns on the Power Board can be judged as defective Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 110: ...the Main Board 28Pin Power Cable connector Connect the 28Pin Power Cable connector to the Muitl Gender JIG 28Pin connector When the OK 24V 12V LED turns on Power Board is normal When the NG LED turns on the Power Board can be judged as defective Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 111: ...t the Main Board 28Pin Power Cable connector Connect the 28Pin Power Cable connector to the Muitl Gender JIG 28Pin connector When the OK LED 24V 12V turns on Power Board is normal When the NG LED turns on the Power Board can be judged as defective Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 112: ...the Main Board 12Pin Power Cable connector Connect the 12Pin Power Cable connector to the Muitl Gender JIG 12Pin connector When the OK LED 24V 12V turns on Power Board is normal When the NG LED turns on the Power Board can be judged as defective Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 113: ...e Main Board 12Pin Power Cable connector Connect the 12Pin Power Cable connector to the Muitl Gender JIG 24Pin connector When the OK LED 24V 12V turns on Power Board is normal When the NG LED turns on the Power Board can be judged as defective Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 114: ...e Main Board 28Pin Power Cable connector Connect the 28Pin Power Cable connector to the Muitl Gender JIG 28Pin connector When the OK LED 24V 12V turns on Power Board is normal When the NG LED turns on the Power Board can be judged as defective Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 115: ......

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