LG 43UJ6200-UA Скачать руководство пользователя страница 13 | Manualshive

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background image

2

、

Disassemble the power board, main board, key board, and

WIFI bracket .

( for 43”)

3

、

Disassemble the screw in Back cover.

（

for 49” & 55” & 65”)

Screw Spec

：

WM 3 X 10

Quantity

：

9 PC

Screw Spec

：

AM 3*6 BLACK

Quantity

：

2PC

Screw Torque is 5 ~ 7Kgf.cm

- 13 -

Copyright ©

LG Electronics Inc. All rights reserved.

Only for training and service purposes.

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Содержание 43UJ6200-UA

Страница 1: ...ay of email 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 2017...

Страница 2: ... 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 11 DISASSEMBLY 12 LCD TV Repair Guide APPENDIX I TROUBLE SHOOTING GUIDE APPENDIX II ...

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: ...ormance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC 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 ATSC 64 256 QAM Analog NTSC M 5 Video Input NTSC M Rear gender 1EA 6 Co...

Страница 7: ...ed Blanking 10 1920 1080 135 120 297 UDTV 1080P 11 3840 2160 54 24 00 297 00 UDTV 2160P 12 3840 2160 56 25 25 00 297 00 UDTV 2160P 13 3840 2160 67 5 30 00 297 00 UDTV 2160P 14 4096 2160 53 95 23 97 296 70 UDTV 2160P 15 4096 2160 54 24 297 UDTV 2160P No Resolution H freq kHz V freq kHz Pixel clock MHz Proposed 1 720 480i 15 73 59 94 13 50 SDTV DVD 480I 525I 2 720 480i 15 75 60 00 13 51 SDTV DVD 480...

Страница 8: ...6 HDTV 1080P 17 1920 1080p 33 71 29 97 79 120 HDTV 1080P 18 1920 1080p 33 75 30 00 79 20 HDTV 1080P 19 1920 1080p 56 25 50 00 148 5 HDTV 1080P 20 1920 1080p 67 43 59 94 148 35 HDTV 1080P 21 1920 1080p 67 5 60 00 148 50 HDTV 1080P 22 1920 1080p 112 5 100 297 00 UDTV 1080P 23 1920 1080p 134 86 119 88 296 70 UDTV 1080P 24 1920 1080p 135 00 120 297 UDTV 1080P 25 3840 2160p 53 95 23 98 296 70 UDTV 2160...

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: ...2 0 eMMC IC8800 4GB Sub Micom IC3000 P_TS X_TAL 24MHz X_TAL 32 768KHz I2S Out I2C 0 I2C 4 R E A R YPbPr SPDIF OUT ETHERNET I2C 1 SUB ASSY IR KEY LOGO LIGHT Ready WIFI BT Combo USB_WIFI CVBS HDMI3 HDMI 2 0 USB2 2 0 RS232C HP HDMI2 ARC HDMI 2 0 AV EPI 3G 1 5G OCP OCP USB2 0_2_DM1 USB2 0_3_DM0 PHY2_RX0N PHY1_RX0N I2C6 SIF HDMI4 HDMI 2 0 PHY0_RX0N PMIC IC9200 GAMMA IC IC9400 CVBS COMP M0 M1 DDR3 2133 ...

Страница 11: ...AR1 ARC1 700 200 570 571 120 501 510 901 902 400 521 540 A10 530 500 LV1 LV2 ...

Страница 12: ...BLACK Quantity 12 PC Screw Spec WM 6 20 HARDEN Quantity 4 PC Screw Spec B3 4 10 BLACK Quantity 1 PC Screw Spec PM 4 14 BLACK Quantity 4 PC Note The disassembly screw torque is 5 7Kgf cm 12 Copyright LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 13: ...IFI bracket for 43 3 Disassemble the screw in Back cover for 49 55 65 Screw Spec WM 3 X 10 Quantity 9 PC Screw Spec AM 3 6 BLACK Quantity 2PC Screw Torque is 5 7Kgf cm 13 Copyright LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 14: ...c PM 4 14 BLACK Quantity 4 PC Note The disassembly screw torque is 5 7Kgf cm 4 Disassemble the power board main board key board and WIFI bracket for 49 55 65 Screw Spec WM 3 X 10 Quantity 9 PC Screw Spec AM 3 6 BLACK Quantity 2PC Screw Torque is 5 7Kgf cm 14 Copyright LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 15: ...LCD TV Repair Guide Applicable Model 43 49 55 65UJ6200 UA ...

Страница 16: ...Main PCB From PSU Power PANEL Audio Wifi Local Key IR 1 1 Main processor DDR Memory eMMC Memory 2 3 Micom for Key IR sensing Audio AMP 3 2 SIZE 174X183 PANEL 43 49 55UJ62 ...

Страница 17: ...Main PCB 65UJ62 From PSU Power Audio Wifi Local Key IR 1 1 Main processor DDR Memory eMMC Memory 2 3 Micom for Key IR sensing Audio AMP 3 2 SIZE 165X183 PANEL ...

Страница 18: ...Interconnection 1 2 3 1 2 3 4 Main PCB PSU PANEL FFC Cable Wifi Only Local Key IR ASSY 4 5 4 5 SPEAKER 43 49 55UJ62 ...

Страница 19: ...Interconnection 1 2 3 1 2 3 4 Main PCB PSU PANEL FFC Cable Wifi Only Local Key IR ASSY 4 5 4 5 SPEAKER 65UJ62 ...

Страница 20: ...TROUBLE SHOOTING GUIDE ...

Страница 21: ... error No power 6 7 Off when on off while viewing power auto on off 7 8 C Audio error No audio Normal video 8 9 Wrecked audio discontinuation noise 9 10 D Function error Remote control Local switch checking 10 MR15 operating checking 11 11 12 Wifi operating checking 12 13 Camera operating checking 13 14 External device recognition error 14 15 E Noise Circuit noise mechanical noise 15 16 F Exterior...

Страница 22: ...Inverter or module N Repair Power Board or parts End Always check record S W Version and White Balance value before replacing the Main Board Replace Main Board Re enter White Balance value Precaution Established date Standard Repair Process Revised date 1 16 Error symptom A Video error No video Normal audio A18 A1 A18 A4 A2 First of all Check whether all of cables between board is inserted properl...

Страница 23: ...ltage of Power Board 13V No Video No audio Check and replace MAIN B D Y Replace Power Board and repair parts N End Standard Repair Process A Video error No video No audio A18 Established date Revised date 2 16 Error symptom 2 ...

Страница 24: ... Different maker TV etc SVC Bulletin Replace Main B D Check Tuner soldering Normal Picture Y N Y Close Y Close By using Digital signal level meter By using Diagnostics menu on OSD Advanced Channels Channel Tuning Manual Tuning Check the Signal 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...

Страница 25: ...ice Cable normal External Input Component error Check external device and cable Y External device Cable normal HDMI error Check external device and cable Replace Main T con B D Replace Main T con B D N N A Video error 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 16 Error s...

Страница 26: ...tion of External Input Component RGB and HDMI DVI by connecting Jig pattern Generator Set top Box etc N Y Replace Main T con B D Screen normal Check screen condition by input External Input Component HDMI DVI Request repair for external device Component error HDMI DVI Connect other external device and cable Check normal operation of External Input Component RGB and HDMI DVI by connecting Jig patte...

Страница 27: ...operly Check Logo LED Replace Power B D Measure voltage of each output of Power B D N Y Normal voltage Replace Main B D Y OK Replace Main B D N Y Normal Check ST BY 3 5V Replace Power B D N Y Normal voltage Replace Power B D Y A17 A18 A18 A18 Standard Repair Process Established date Revised date 6 16 Error symptom 6 Stand By Red or Turn On Operating Turn Off Close ...

Страница 28: ...r off List Explanation Normal POWEROFF_REMOTEKEY Power off by REMOTE CONTROL POWEROFF_OFFTIMER Power off by OFF TIMER POWEROFF_SLEEPTIMER Power off by SLEEP TIMER POWEROFF_INSTOP Power off by INSTOP KEY POWEROFF_AUTOOFF Power off by AUTO OFF POWEROFF_ONTIMER Power off by ON TIMER POWEROFF_RS232C Power off by RS232C POWEROFF_RESREC Power off by Reservated Record POWEROFF_RECEND Power off by End of ...

Страница 29: ...B 13V of Power Board Normal voltage Y N Replace Power Board and repair parts Check Speaker disconnection N Y Replace Speaker Replace MAIN Board End C Audio error No audio Normal video A20 A21 A18 Disconnection Established date Revised date 8 16 Error symptom Standard Repair Process 8 ...

Страница 30: ...recked audio Discontinuation Noise only for External Input Connect 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 13V Replace Main B D In case of External Input signal erro...

Страница 31: ...ck R C Operating When turn off light in room Check Replace Baterry of R C Check Repair Cable connection Connector solder Normal operating Check B 3 5V On Main B D A22 Normal Voltage Close N N Check 3 5v on Power B D Replace Power B D or Replace Main B D Power B D don t have problem A18 Check IR Output signal Normal Signal N Y Repair Replace IR B D N A22 Replace Main B D Y A22 Standard Repair Proce...

Страница 32: ... Close N N N Y Standard Repair Process Established date Revised date 11 16 Error symptom 11 Replace MR15 Turn off on the set and press the wheel Press the back key about 5sec Close If you conduct the loop at 3times change the MR15 Y Check the INSTART menu RF Receiver ver is 00 00 Y Check Repair RF assy connection N Down load the Firmware INSTART MENU 14 RF Remocon Test 3 Firmware download Y RF Rec...

Страница 33: ...RT menu Wi Fi Mac value is NG Y Check Repair Wifi cable connection N Check the Wifi wafer 1pin Standard Repair Process Established date Revised date 12 16 Error symptom 12 Change the Wifi assy Normal Voltage Close Y Y N Replace Main B D Wi Fi Mac value is NG N Close A24 A4 A4 A24 ...

Страница 34: ...amera operating error Check the INSTART menu Camera Ver is NULL Y N Reconnect the Camera module Standard Repair Process Established date Revised date 13 16 Error symptom 13 Change the Camera module Normal operation Close Y N Replace Main B D A25 A4 ...

Страница 35: ...ternal Input and Component Recognition error Check and fix external device cable HDMI DVI Optical Recognition error Replace Main B D Replace Main B D Fix in accordance with technical information D Function error External device recognition error Established date Revised date 14 16 Error symptom Standard Repair Process 14 ...

Страница 36: ... to the KMS fix information and then proceed as shown in the solution manual For models without any fix information provide the description OR 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 noi...

Страница 37: ...ior damage Module damage Cabinet damage Replace cabinet Replace remote control Remote control damage Stand dent Replace stand F Exterior defect Exterior defect Established date Revised date 16 16 Error symptom Standard Repair Process 16 ...

Страница 38: ...hod A3 4 Version checking method A4 5 Tuner Checking Part A5 6 A Video error _Vertical Horizontal bar residual image light spot Connection diagram A6 7 A Video error_ Color error Check Link Cable EPI reconnection condition A7 8 Adjustment Test pattern ADJ Key A8 9 Appendix Defected Type caused by T Con Inverter Module Exchange Main Board 1 A 1 5 10 Exchange Main Board 2 A 2 5 11 Exchange Power Boa...

Страница 39: ...wer input Voltage ST BY 3 5V A18 16 B Power error_Off when on off while viewing POWER OFF MODE checking method A19 17 C Audio error_ No audio Normal video Checking method in menu when there is no audio A20 18 Voltage and speaker checking method when there is no audio A21 19 D Function error Remote control operation checking method A22 Continued from previous page ...

Страница 40: ...ical Manual Revised date A1 Error symptom Content Check LCD back light with naked eye A Video error_No video Normal audio After turning on the power and disassembling the case check with the naked eye whether you can see light from locations A1 EPI MODELS ...

Страница 41: ...al Manual Revised date A1 Error symptom Content Check LCD back light with naked eye A Video error_No video Normal audio After turning on the power and disassembling the case check with the naked eye whether you can see light from locations A1 1 Vby1 MODELS ...

Страница 42: ...er for adjustment 2 Enter into White Balance of item 6 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 Entry method 1 Press the ADJ button on the remote controller for adjustment 2 Enter into White Balance of item 13 3 After recording the R G B GAIN Cut value of Color Temp Cool Medium Warm re enter the value after replacin...

Страница 43: ...he signal is strong use the attenuator 10dB 15dB 20dB etc Standard Repair Process Detail Technical Manual TUNER input signal strength checking method A Video error_Video error video lag stop ALL MODELS A3 Established date Revised date Error symptom Content A3 ...

Страница 44: ...sion checking method A Video error_Video error video lag stop 1 Checking method for remote control for adjustment Press the IN START with the remote control for adjustment Version ALL MODELS A4 Established date Revised date Error symptom Content A4 v v ...

Страница 45: ...ng each voltage from power supply finally replace the MAIN BOARD 3 If you can t see the UHD live TV please connect signal at left side of jack Korea model only Standard Repair Process Detail Technical Manual TUNER checking part A Video error_Video error video lag stop ALL MODELS A5 Established date Revised date Error symptom Content A5 ...

Страница 46: ...Manual Connection diagram 1 A Video error _Vertical Horizontal bar residual image light spot As the part connecting to the external input check the screen condition by signal A6 Established date Revised date Error symptom Content A6 ALL MODELS ...

Страница 47: ...echnical Manual Check Link Cable FFC reconnection condition A Video error_Color error Check the contact condition of the Link Cable especially dust or mis insertion A7 Established date Revised date Error symptom Content A7 EPI MODELS ...

Страница 48: ...chnical Manual Check Link Cable FFC reconnection condition A Video error_Color error Check the contact condition of the Link Cable especially dust or mis insertion A7 Established date Revised date Error symptom Content A7 1 VBY1 MODELS ...

Страница 49: ...ADJ Key A Video error_Color error You can view 6 types of patterns using the ADJ Key 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 A8 Established date Revised date Error symptom Content A8 ...

Страница 50: ... Broken T Con Defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Abnormal Power Section Solder defect Short Crack Abnormal Power Section Solder defect Short Crack Appendix Exchange Main Board 1 A 1 5 ...

Страница 51: ...rmal Power Section Solder defect Short Crack Abnormal Power Section Solder defect Short Crack Fuse Open Abnormal power section Noise GRADATION GRADATION Abnormal Display Appendix Exchange Main Board 2 A 2 5 ...

Страница 52: ...Appendix Exchange Power Board PSU No Light Dim Light Dim Light Dim Light No picture Sound Ok A 3 5 ...

Страница 53: ...Appendix Exchange the Module 1 A 4 5 Crosstalk Crosstalk Press damage Press damage Un repairable Cases In this case please exchange the module Press damage ...

Страница 54: ...C Defect Vertical Line Source TAB IC Defect Vertical Block Source TAB IC Defect Horizontal Block Gate TAB IC Defect Horizontal line Gate TAB IC Defect Gate TAB IC Defect Horizontal Block Gate TAB IC Defect Appendix Exchange the Module 2 A 5 5 Un repairable Cases In this case please exchange the module ...

Страница 55: ...Standard Repair Process Detail Technical Manual Check front Power Indicator B Power error _No power A17 Established date Revised date Error symptom Content A17 ALL MODELS ...

Страница 56: ... Check power input voltage and ST BY 3 5V B Power error _No power A18 Check the DC 13V Backlight Forward Voltage Symbol Values Unit Note Min Typ Max 65UJ62 VF 64 4 75 9 90 16 Vdc CH1 61 6 72 6 86 24 CH2 42 49 5 58 8 CH3 4 55UJ62 61 6 68 2 74 8 CH1 2 49UJ62 56 62 68 CH1 2 43UJ62 50 4 59 4 64 8 CH1 2 14PIN ...

Страница 57: ...ntrol for adjustment 2 Check the entry into adjustment item 3 Standard Repair Process Detail Technical Manual POWER OFF MODE checking method B Power error _Off when on off whiling viewing ALL MODELS A19 Established date Revised date Error symptom Content A19 ...

Страница 58: ...the Sound function of the Menu 3 Select the Sound Out 4 Select TV Speaker Standard Repair Process Detail Technical Manual Checking method in menu when there is no audio C Audio error_No audio Normal video ALL MODELS A20 Established date Revised date Error symptom Content A20 ...

Страница 59: ... if you hear the Chik Chik sound when you touch the GND and output terminal the speaker is normal Standard Repair Process Detail Technical Manual Voltage and speaker checking method when there is no audio C Audio error_No audio Normal video A21 Established date Revised date Error symptom Content A21 1 SPK_R 2 SPK_R 3 SPK_L 4 SPK_L ALL MODELS 14PIN Power Board Side 1 DRV_ON 2 PDIM1 3 GND 4 GND 5 A1...

Страница 60: ...epair Process Detail Technical Manual Remote control operation checking method D Function error A22 Established date Revised date Error symptom Content A22 1 3 5V 2 WIFI_DM 3 WIFI_DP 4 GND 5 WOL_ON 6 3 5V 7 COMBO_RESET 8 GND 9 COMBO_WAKEUP_DEVICE 10 COMBO_WAKEUP_HOST 11 GND 12 GND 13 NC 14 NC 15 NC 16 EYE_SDA 17 EYE_SCL 18 GND 19 IR 20 LED 21 GND 22 3 5V 23 KEY2 24 KEY1 25 GND Checking order to ch...

Страница 61: ... cable condition between Wifi Only assy Main board 2 Check the 3 5V on the terminal 1 Checking order to check motion remote wifi Wifi Only Front Wifi Only Rear ALL MODELS 1 3 5V 2 WIFI_DM 3 WIFI_DP 4 GND 5 WOL_ON 6 3 5V 7 COMBO_RESET 8 GND 9 COMBO_WAKEUP_DEVICE 10 COMBO_WAKEUP_HOST 11 GND 12 GND 13 NC 14 NC 15 NC 16 EYE_SDA 17 EYE_SCL 18 GND 19 IR 20 LED 21 GND 22 3 5V 23 KEY2 24 KEY1 25 GND ...

Страница 62: ......

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