LG 43LH60 Series страница 50 Скачать руководство пользователя | Manualshive

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background image

A – 2/2

Angle view Color difference

Brightness dot noise

Half dead

Green Noise on power on/off time

Line Defect

Mura

Brightness difference

Un-repairable Cases

In this case please exchange the module.

Appendix : Exchange the Module (2)

Copyright

ⓒ

2016 LG Electronics. Inc. All right reserved.

Only for training and service purposes

LGE Internal Use Only

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Содержание 43LH60 Series

Страница 1: ...MFL69504203 1609 REV03 CHASSIS LD66H MODEL 43LH60 43LH60 ZA ZB ZF 43LH615V 43LH615V ZE CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL LED TV SERVICE MANUAL Internal Use Only ...

Страница 2: ...ics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 USB S W DOWNLOAD 10 BLOCK DIAGRAM 11 EXPLODED VIEW 21 DISASSEMBLY 22 TROUBLE SHOOTING GUIDE APPENDIX ...

Страница 3: ...o be sure the 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 par...

Страница 4: ...ctrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharg ing wrist strap device which should be removed to prevent potential 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 e...

Страница 5: ...he solder joints 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 replace...

Страница 6: ...and Latvia Estonia Lithuania Poland Portugal Romania Albania Bosnia Slovakia Belarus DTV MPEG2 4 DVB T2 11 countries UK Ireland Sweden Denmark Finland Norway Ukraine Kazakhstan Russia Italy Croatia Serbia DTV MPEG2 4 DVB C 37 countries Germany Netherland Switzerland Hungary Austria Slovenia Bulgaria France Spain Italy Belgium Russia Luxemburg Greece Czech Cro atia Turkey Morocco Ireland Latvia Est...

Страница 7: ...2 1 128 19 128 19 256 Modulation Code Rate QPSK 1 2 2 5 2 3 3 4 5 6 16 QAM 1 2 2 5 2 3 3 4 5 6 64 QAM 1 2 2 5 2 3 3 4 5 6 256 QAM 1 2 2 5 2 3 3 4 5 6 DVB C Symbolrate 4 0 Msymbols s to 7 2 Msymbols s Modulation 16QAM 64 QAM 128 QAM and 256 QAM DVB S S2 symbol rate DVB S2 8PSK QPSK 2 45 Msymbol s DVB S QPSK 2 45 Msymbol s viterbi DVB S mode 1 2 2 3 3 4 5 6 7 8 DVB S2 mode 1 2 2 3 3 4 3 5 4 5 5 6 8 ...

Страница 8: ...00 HDTV 576p 7 1280 720 37 50 50 00 HDTV 720p 8 1280 720 44 96 59 94 HDTV 720p 9 1280 720 45 00 60 00 HDTV 720p 10 1920 1080 28 12 50 00 HDTV 1080i 11 1920 1080 33 75 60 00 HDTV 1080i 12 1920 1080 33 72 59 94 HDTV 1080i 13 1920 1080 56 25 50 00 HDTV 1080p 14 1920 1080 67 43 59 94 HDTV 1080p 15 1920 1080 67 50 60 00 HDTV 1080p Digital TV Analogue TV Televison System DVB T T2 DVB C DVB S S2 PAL SECA...

Страница 9: ... 50 00 HDTV 720P HDTV 720P 12 1920 1080 28 12 50 00 HDTV 1080I HDTV 1080I 13 1920 1080 33 72 59 94 HDTV 1080I HDTV 1080I 14 1920 1080 33 75 60 00 HDTV 1080I HDTV 1080I 15 1920 1080 26 97 23 98 HDTV 1080P HDTV 1080P 16 1920 1080 27 00 24 00 HDTV 1080P HDTV 1080P 17 1920 1080 33 71 29 97 HDTV 1080P HDTV 1080P 18 1920 1080 33 75 30 00 HDTV 1080P HDTV 1080P 19 1920 1080 56 25 50 00 HDTV 1080P HDTV 108...

Страница 10: ...he message Copying files from memory 4 Updating is starting 5 Updating completed the TV will restart automatically 6 If your TV is turned on check your updated version and Tool option explain the Tool option next stage If downloading version is more high than your TV have TV can lost all channel data In this case you have to channel recover if all channel data is cleared you didn t have a DTV ATV ...

Страница 11: ... 11 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes BLOCK DIAGRAM 1 M2 ...

Страница 12: ... 12 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 2 I2C ...

Страница 13: ... 13 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 3 Power ...

Страница 14: ... 14 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 4 Tuner ...

Страница 15: ... 15 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 5 Video Audio IN ...

Страница 16: ... 16 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 6 AUDIO OUT ...

Страница 17: ... 17 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 7 HDMI ...

Страница 18: ... 18 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 8 Panel Interface ...

Страница 19: ... 19 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 9 USB 2 0 WiFi IR Key ...

Страница 20: ... 20 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 10 CI ...

Страница 21: ... 901 902 Stand Screw EXPLODED VIEW Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are 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 ...

Страница 22: ...ining and service purposes DISASSEMBLY 1 Disassemble parts Back Cover Disassemble Total Screw No 42ea 1 1 1 1 1 1 1 2 1 3 1 1 2 4 4 4 4 5 A 7 7 6 8 8 8 9 9 9 10 10 10 10 10 10 10 10 10 11 12 b b a b b a a a b b b b 13 13 14 14 14 14 15 15 15 15 Screw 13 ea Screw 4 ea Screw 4 ea Screw 9 ea ...

Страница 23: ... 23 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes TOP BOTTOM 16 ...

Страница 24: ......

Страница 25: ...TROUBLE SHOOTING GUIDE Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 26: ...Voltage Y Replace Inverter or Module N Repair Power B D or parts End Always check record S W Version and White Balance value before replace the Main B D Replace Main B D Re enter White Balance value Precaution 1 14 A Video error Video X Audio O A9 A1 A9 A4 A2 1 First of all Check whether all of cables between board is inserted properly or not Main B D Power B D LVDS Cable Speaker Cable IR B D Cabl...

Страница 27: ...oltage Video X Audio X Check and Replace Main B D Y N End A9 2 14 2 A Video error Video X Audio O Check Power B D 13V output Repair or Replace Power B D or parts Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 28: ... Top Box 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 All Settings Programmes Programmes Tuning Settings 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...

Страница 29: ...ut External Input COMPONENT AV HDMI Y External device 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 A6 N Y End Replace module Or T Con B D Request repair for external device cable Color error A7 Copyright ⓒ 2016 LG Electronics Inc All right reser...

Страница 30: ...t other external device and cable Check normal operation 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 Inpu...

Страница 31: ...erly Check Logo LED Replace Power B D Measure the 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 Voltage Replace Power B D N Y Normal voltage Replace Power B D Y A9 Stand By Red or Turn On Operating Turn Off Close 6 14 B Power error No power Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purpos...

Страница 32: ...status except listed case Abnormal POWEROFF_ABNORMAL1 Power off by abnormal status except CPU trouble POWEROFF_CPUABNORMAL Power off by CPU Abnormal B Power error Off when on off while viewing power auto on off Error N Y Check Power Off Mode Fix A C cord Outlet and check each 3 phase out Check A C cord Check for all 3 phase power out Check outlet Replace Main B D CPU Abnormal If Power Off mode is ...

Страница 33: ...set CORRECT output Correct Y N Set correct output Check audio 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 Disconnection A11 A12 A9 Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 34: ...only for Analog Wrecked 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 ...

Страница 35: ... in room Check Replace Baterry of R C Check Repair Cable connection Connector solder Normal operating Check Stan by Voltage On Main B D Normal Voltage Close N N Check Stan by voltage on Power B D Replace Power B D or Replace Main B D Check IR Output signal Normal Signal N Y Repair Replace IR B D N Replace Main B D Y Y A13 A9 A13 A13 10 14 Remote control Local switch checking D Function Error Copyr...

Страница 36: ...rror Check the INSTART menu Wi Fi Mac value is NG Y Check Repair Wifi cable connection N Check the Wi Fi Wafer pin Change the Wifi assy Normal Voltage Close Y Y N Replace Main B D Wi Fi Mac value is NG N Close A15 A4 A4 A15 Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 37: ...rsion N Y Technical information Check input signal Signal input Y N External 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 Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 38: ...cription If there is a Tak Tak noise from the cabinet refer 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...

Страница 39: ...oom part with exterior damage Module damage Cabinet damage Replace cabinet Replace remote control Remote control damage Stand dent Replace stand F Exterior defect Exterior defect Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 40: ...top TUNER input signal strength checking method 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 Appendix Exchange Module 1 A 1 2 Exchange Module 2 A 2 2 Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for trainin...

Страница 41: ...hile viewing POWER OFF MODE checking method A10 12 C Audio error_ No audio Normal video Checking method in menu when there is no audio A11 13 Voltage and speaker checking method when there is no audio A12 14 D Function error Remote control operation checking method A13 15 Wi Fi operation checking method A14 Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purpos...

Страница 42: ...1 Check 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 Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 43: ...mal audio Entry method 1 Press the ADJ button on the remote control 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 replacing the MAIN BOARD Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 44: ...ning Manual Tuning Select Channel A3 TUNER input signal strength checking method A Video error_Video error video lag stop Signal Strength is too strong Use attenuator 10dB 15dB 20dB etc Signal Strength is too weak Use Signal Booster Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 45: ... date Revised date Version ALL MODELS A4 A4 Version checking method A Video error_Video error video lag stop Press the IN START with the remote control for adjustment Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 46: ... each voltage from power supply finally replace the MAIN BOARD A5 TUNER checking part A Video error_Video error video lag stop 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 ⓒ 2016 LG Electronics Inc All right reserved Only for training ...

Страница 47: ... date A6 A6 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 Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 48: ...te Revised date A7 A7 Check Link Cable EPI reconnection condition A Video error_Color error Check the contact condition of the Link Cable especially dust or mis insertion Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 49: ...l display Line Dim Crosstalk Crosstalk Press damage Brightness difference Burnt Un repairable Cases In this case please exchange the module Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 50: ...Noise on power on off time Line Defect Mura Brightness difference Un repairable Cases In this case please exchange the module Appendix Exchange the Module 2 Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 51: ...ontent Established date Revised date A8 ST BY condition On or Off Power ON condition Turn Off A8 Check front Power Indicator B Power error _No power Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 52: ...h the DC 13V 1 Power ON OFF 2 PDIM 2 3 GND 4 D13 2V 5 D13 2V 6 D13 2V 7 A13 2V 8 A13 2V 9 GND 10 GND 11 MS 12 PDIM 1 A9 Check the Power output voltage and St by voltage B Power error _No power Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 53: ...ntry method 1 Press the IN START button of the remote control for adjustment 2 Check the entry into adjustment item 3 POWER OFF MODE checking method B Power error _Off when on off whiling viewing Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 54: ...Press the Setting button on the remote control 2 Select the Sound function of the Menu 3 Select the Sound Out 4 Select TV Speaker Checking method in menu when there is no audio C Audio error_No audio Normal video Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 55: ...ntact the output terminal of the speaker with GND if there is sound ouput noise we conclude the speaker works well 1 Power ON OFF 2 PDIM 2 3 GND 4 D13 2V 5 D13 2V 6 D13 2V 7 A13 2V 8 A13 2V 9 GND 10 GND 11 MS 12 PDIM 1 A12 Checking Voltage and speaker C Audio error_No audio Normal video Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use O...

Страница 56: ... 8 GND 9 12 EYE_SDA 13 EYE_SCL 14 GND 15 IR 16 LED_R 17 GND 18 3 4V_ST 19 KEY2 20 KEY1 21 GND A13 A13 Checking order 1 Check IR cable condition between IR Main board 2 Check the st by 3 5V on the pin 18 Remote control operation checking method D Function error Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 57: ...tion 3 Check the voltage 3 4V_WIFI on P4101 P4001 1 3 4V_WIFI 2 WIFI_DM 3 WIFI_DP 4 GND 5 WOL WIFI_POWER_ON 6 GND 7 NC 8 GND 9 12 EYE_SDA 13 EYE_SCL 14 GND 15 IR 16 LED_R 17 GND 18 3 4V_ST 19 KEY2 20 KEY1 21 GND A14 Wi Fi operation checking method D Function error Copyright ⓒ 2016 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

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