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CONTENTS

CONTENTS .............................................................................................. 2

SAFETY PRECAUTIONS ........................................................................ 3

SERVICING PRECAUTIONS ................................................................... 4

SPECIFICATION .......................................................................................6

SOFTWARE UPDATE .............................................................................. 9

BLOCK DIAGRAM ................................................................................. 10

EXPLODED VIEW .................................................................................. 15

DISASSEMBLY GUIDE ............................................................ APPENDIX

TROUBLE SHOOTING GUIDE ................................................ APPENDIX

Содержание OLED77W9PUA

Страница 1: ...e 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 Electronics Inc ...

Страница 2: ...ts reserved 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 15 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: ...2C 1 IR SUB ASSY IR KEY USB_WIFI BT Tuner I2C 5 LAN R E A R ETHERNET CVBS SIF Tuner TDJS H651F COMP USB1 2 0 USB2 2 0 USB3 2 0 OCP 1 5A OCP 1 5A R E A R OCP 1 5A YPbPr KEY HDMI1 2 1 HDMI2 2 1 HDMI3 2 1 R E A R ARC HDMI4 2 1 HDMI Sub Board I2S PWM FAN1 FAN2 Audio AMP 2 NTP7515D 0X56 Audio AMP 3 NTP7515D 0X54 H P Line Out I2C 0 I2C 4 AUD_LRCH_TW AUD_LRCH IC_RST M2 DDR4 2133 X 16 4Gb X 2EA LED Audio ...

Страница 11: ...BS SIF IF_N IF_P 1 8KΩ 3 3V_TU I2C_SDA SCL_5_TU AN22 SCL5 GPIO73 AM22 SDA5 GPIO72 3 3V_TU IF_AGC TU_CVBS_IC AT16 CVBS_IN1 IF_AGC AT25 IFAGC TU_SIF_TU AU24 AAD_ADC_SIF IF Filter TADC_INN P AU23 DMD_TADC_INN AT23 DMD_TADC_INP Main IC 33Ω 47pF AT26 IFAGCS AR22 DMD_SADC_INP_I AT22 DMD_SADC_INN_I AT21 DMD_SADC_INN_Q AU21 DMD_SADC_INP_Q ...

Страница 12: ..._JACK HP_ROUT_JACK AU9 IEC958OUT AR9 AUDA_OUTL AT9 AUDA_OUTR SPDIF_OUT_ARC AL34 PHY0_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 TPA6138A2 ARC OUT HDMI2 AMP_RESET AK5 DACSCK GPIO81 AJ6 DACLRCK AJ5 DACLRCH AL20 AL19 I2C_SCL_0 SDA_0 GPIO23 Front Speaker Woofer Speaker MICOM Audio AMP Audio AMP AMP_MUTE WOOFER_MUTE Audio AMP Tweeter Spe...

Страница 13: ...HPD TMDS GPIO 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 A3...

Страница 14: ...R_ON USB2_2_DP0 DM0 IC_RX TX USB3_0_DP0 DM0 USB2_1_DP0 DM0 USB2 0_2_DP1 DM1 USB2 0_3_DP0 DM0 USB2_0_DP0 DM0 IC_RX TX UART wafer P3402 USB 2 2 0 _V USB 3 2 0 _V WIFI_EN OCP BD224G EB_CS0 GPIO90 USB_CTL1 5V_USB_1 OCP BD224G GPIO95 USB_CTL2 5V_USB_2 OCP BD224G SPI_DO1 GPIO34 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...

Страница 15: ...EW 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 410 200 530 820 120 420 400 121 550 700 AR2 AW4 AW3 AB2 AB4 AB3 540 821 841 531 873 532 850 860 571 130 570 842 300 123 500 503 510 122 872 871...

Страница 17: ... 1 Put the soft cloth and set AIO Box as indicated below picture 1 2 Stand AIO Box as indicated below picture 1 1 1 2 OLED77W9 Disassembly Guide Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 18: ...s y 2 2 Disassemble screw 8EA Middle Bottom Ass y Rear Cover Ass y 2 1 2 2 2 2 2 1 Front View Top View 2 1 2 1 2 1 2 1 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2 1 OLED77W9 Disassembly Guide Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 19: ...y direction from Right to Left Push the Cover Bottom Rear both side and pull as indicated below picture Tuk 3 1 Cover Bottom Rear 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 OLED77W9 Disassembly Guide Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes Tuk ...

Страница 20: ...e from side to side Then you can disassemble more easily 4 4 Before open the Ass y Cover Top you have to disconnect cable 2points After disassemble Cover Bottom Rear Ass y CoverTop 4 1 4 2 4 3 4 4 4 4 OLED77W9 Disassembly Guide For disassembly guide of Ass y Cover Top item refer to 19 1 23 term Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 21: ... 4ea that is fixing of Speaker R 5 3 Disconnect Speaker cable After disassemble Ass y CoverTop Speaker R Speaker L 5 1 5 1 5 1 5 1 5 1 5 2 5 2 5 2 5 2 5 2 5 3 OLED77W9 Disassembly Guide Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 22: ...ew 4EA 6 3 Remove PCB 2EA and EMI Tape 4EA and put the cable right side After disassemble Speaker OLED77W9 Disassembly Guide 6 1 6 1 6 2 6 2 6 1 6 1 6 2 6 2 6 3 6 1 2 6 1 2 6 3 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 24: ...eld 8 4 8 6 Disconnect the cable 8 7 Remove Power Warning Hold end of the Power PCB to prevent ELECTRONIC SHOCK OLED77W9 Disassembly Guide 8 1 8 1 8 1 8 1 8 2 8 2 8 2 8 2 8 2 8 2 8 2 8 3 8 3 8 3 8 3 8 4 8 5 8 5 8 5 8 5 8 6 8 6 8 2 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 25: ...is covered with Insulation sheet disassemble the screw after lift end of the Insulation Sheet After disassemble Power 9 2 OLED77W9 Disassembly Guide 9 2 9 1 9 1 Power Bottom Shield 9 1 9 1 9 1 9 1 9 1 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 26: ...Power Bottom Shield 10 2 Disconnect cable below of left of Power Bottom Shield 3points 10 2 10 2 10 2 OLED77W9 Disassembly Guide Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 27: ... the cable from Main PCB and Sub Main PCB After disassemble Power Bottom Shield 11 2 11 2 11 3 11 3 11 3 11 3 OLED77W9 Disassembly Guide 11 1 11 1 11 2 11 3 Main PCB T Con PCB 11 1 11 2 11 3 Sub Main PCB Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 28: ... fixing Sub Main PCB 12 4 Disassemble T Con Main PCB and Sub Main PCB OLED77W9 Disassembly Guide Main PCB T Con PCB 12 1 12 2 12 1 12 1 12 1 12 1 12 2 12 2 12 2 12 2 12 4 Gap Pad Gap Pad Sub Main PCB 12 1 12 1 12 3 12 3 12 3 12 3 12 3 Gap Pad Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 29: ...holder Disconnect cable 2ea from LED Lighting After disassemble T Con Main PCB 13 1 OLED77W9 Disassembly Guide Middle Cabinet LED Lighting Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 30: ...side of LED Lighting to disassemble LED Lighting Latch is 4ea Refer the below picture 14 1 14 1 14 1 14 1 Direction LED Lighting 14 1 14 2 OLED77W9 Disassembly Guide Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 31: ... 15 1 Disassemble screw 1EA and remove Power Cord 15 1 15 1 Power Cord OLED77W9 Disassembly Guide Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 32: ...r disassemble LED Lighting Power Cord In this point remove EMI tape first than disassemble the screw OLED77W9 Disassembly Guide 16 2 16 4 16 1 16 1 Bottom Plate 16 1 16 1 16 1 16 1 16 1 16 1 16 1 16 1 16 2 16 1 16 2 16 2 16 2 16 2 16 2 16 3 16 3 16 1 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 33: ...dicator 17 3 Disassemble cable from Cover Bottom and disassemble WiFi Bracket After disassemble Middle Cabinet 17 1 17 2 17 3 17 1 17 2 17 2 OLED77W9 Disassembly Guide Cover Bottom Joystick Indicator Wifi Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 34: ...ttom plate and remove 18 2 All Disassembly is done Done Disassembly Guide for Cover Top Assy start from next page After disassemble Joystick Indicator Wifi 18 1 18 1 OLED77W9 Disassembly Guide 18 2 18 2 18 2 18 2 18 1 18 1 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 35: ...sassembly Guide for Assembly Cover Top 19 1 19 1 19 1 19 2 19 2 19 2 19 2 19 2 19 2 Rear of Set Front of Set Caution When removing Top Cover and Moving Ass y do not hold the drive shaft and switch by hand OLED77W9 Disassembly Guide Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 36: ...towards the front Rear of Set Front of Set Rear of Set Front of Set Rib Rib Rib Rib of moving Ass y is inserted into projection part shape of Cover Top OLED77W9 Disassembly Guide Disassembly Guide for Assembly Cover Top Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 37: ...irection of arrow mark Handle with care and slowly to avoid damage Do not force to the product strongly 21 1 OLED77W9 Disassembly Guide Disassembly Guide for Assembly Cover Top Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 38: ...ew 4EA that is fixing Sliding Cover Handle with care and slowly to avoid damage Do not force to the product strongly 22 1 21 2 21 2 21 2 21 2 OLED77W9 Disassembly Guide Disassembly Guide for Assembly Cover Top Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 39: ...ormal When replacing the Sliding Cover or Top cover Check that there is no color difference between Cover Top and Sliding Cover Sliding Cover Cover Top OLED77W9 Disassembly Guide Caution for reassembly Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 41: ...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 42: ... 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 43: ...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 44: ...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 45: ... 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 46: ...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 47: ...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 48: ... 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 49: ... 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 50: ... 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 51: ... 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 52: ... 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 53: ...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 54: ...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 55: ...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 56: ...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 57: ...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 58: ...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 ...

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