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Standard Repair Process Detail Technical Manual

Monitor Signage Version checking method

A. Video error_Video error, video lag/stop

1. Checking method for remote controller for adjustment

Press the IN-START with the remote

controller for adjustment

Version

<ALL MODELS>

A5

Established

date

Revised
date

Error

symptom

Content

A5

Monitor Signage

Copyright

ⓒ

2016 - 2017 LG Electronics Inc. All rights reserved.

Only training and service purposes.

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Содержание 49SM5C

Страница 1: ...G THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL SERVICE MANUAL Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes CONFIDENTIAL MFL67237487 1705 REV01 49SM5C 49SM5C BF LW69A LG Digital Signage ...

Страница 2: ...ronics Inc All rights reserved Only training and service purposes CONTENTS CONTENTS 2 PRECAUTION 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 SOFTWARE UPDATE 10 BLOCK DIAGRAM 11 EXPLODED VIEW 12 TROUBLE SHOOTING GUIDE APPENDIX ...

Страница 3: ...ng time The module not be exposed to the direct sunlight Avoid contact with water as it may a short circuit within the module If the surface of panel become dirty please wipe it off with a softmaterial Cleaning with a dirty or rough cloth may damage the panel WARNING BE CAREFUL ELECTRIC SHOCK If you want to replace with the new backlight or inverter circuit must disconnect the AC adapter because h...

Страница 4: ...by touching a known earth ground Alternatively obtain and wear a commercially available discharging 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 electrostatic charge buildup or ex...

Страница 5: ...nts 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 a...

Страница 6: ...3 1 RGB DVI D HDMI Display Port PC Specification 1 Application range This specification is applied to the LW69A chassis 2 Requirement for Test Each part is tested as below without special appointment 1 Temperature 25 C 5 C 77 F 9 F CST 40 C 5 C 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage 100 240 V 50 60 Hz Standard Voltage of each products is marked by models 4 Specification a...

Страница 7: ...Jack 2 Output DP 1 SST Support HDMI1 4 Speaker Out 2 BTL L R 6 ohm Max 10W 3P 3 5mm Phone Jack Audio Out 1 SE Stereo L R 0 5Vrms 3P 3 5mm Phone Jack 3 External RS232C IN OUT 1 1 UART Comm w IR Daisy Chain 4P 3 5mm Phone Jack IR Bright ness Sensor 1 External box type 5P 3 5mm Phone Jack LAN 1 RJ45 10 100Base T SuperSign W C 4 Special Feature Temp Sen sor 1 Built in Pixel Sensor 1 Optional Wi Fi 1 8...

Страница 8: ...8 112 248 1280 x 1024 V Lines 60 02 1066 1024 1 3 38 8 H Pixels 146 25 65 290 2240 1680 104 176 280 1680 x 1050 V Lines 59 954 1089 1050 3 6 30 9 H Pixels 148 5 67 5 2200 1920 88 44 88 1920 x 1080 V Lines 60 1125 1080 4 5 46 4 1 RGB PC Mode No Section Pol Dot Clock MHz Frequency kHz Hz Total Cycle E Display A Front Porch B Sync D Back Porch F Resolution 1 H Pixels 40 37 879 1056 800 40 128 88 800 ...

Страница 9: ...ication Remark Resolution H freq kHz V freq Hz Proposed 1 480 60P 31 5 60 EDTV 480p 2 576 50P 31 25 50 EDTV 576p 3 720 50P 37 5 50 HDTV 720p 4 720 60P 45 60 HDTV 720p 5 1080 50i 28 1 50 HDTV 1080i 50Hz For Australian 6 1080 60i 33 75 60 HDTV 1080i 60Hz 7 1080 50P 56 25 50 HDTV 1080P 50Hz 8 1080 60P 67 5 60 HDTV 1080P 60Hz ...

Страница 10: ...e Copying files from memory 4 Updating is starting 5 Updating Completed The Signage Set will restart automati cally 6 If your SIGNAGE SET is turned on check your updated version and Tool option explain the Tool option next stage If downloading version is more high than your SIGNAGE SET have SIGNAGE SET can lost all channel data In this case you have to channel recover if all channel data is cleare...

Страница 11: ... 11 Copyright LG Electronics Inc All rights reserved Only training and service purposes BLOCK DIAGRAM ...

Страница 12: ...ed 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 manufacturer IMPORTANT SAFETY NOTICE 200 400 540 541 542 510 530 AM1 800 810 500 LV1 A2 700 ...

Страница 13: ...TROUBLE SHOOTING GUIDE Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 14: ...ng power auto on off 5 6 C Audio error No audio Normal video 6 7 Wrecked audio discontinuation noise 7 8 D Function error Remote control Local switch checking 8 9 External device recognition error 9 10 E Noise Circuit noise mechanical noise 10 11 F Exterior error Exterior defect 11 First of all Check whether there is SVC Bulletin in GSCS System for these model Copyright ⓒ 2016 2017 LG Electronics ...

Страница 15: ... 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 11 Monitor Signage Error symptom A Video error No video Normal audio A4 A1 A2 A5 A3 First of all Check whether all of cables between board is inserted properly or not Main...

Страница 16: ...nd replace MAIN B D Y Replace Power Board and repair parts N End Standard Repair Process A Video error No video No audio A4 Established date Revised date 2 11 Error symptom 2 Monitor Signage Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 17: ...or Check color by input HDMI RGB DVI DP Y Check external device and cable Replace Main B D N A6 N Y End Replace module Request repair for external device cable Color error A7 All video error Error only for specific input external device cable Normal Check S W Version Y Check version S W Upgrade Y Normal screen End End N N Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training a...

Страница 18: ...t at each status STBY 8 8V Power On 13 2V N Y Normal voltage Replace Main B D Y OK Replace Main B D N Y Normal Check ST BY 3 5V at Main B D And Power output voltage Power output voltage to Main B D is 8 8V at ST BY Status Replace Power B D N Y Normal voltage Replace Power B D Y A10 A11 A4 Standard Repair Process Established date Revised date 4 11 Error symptom Close 4 Monitor Signage Copyright ⓒ 2...

Страница 19: ...LEEP 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 Recording POWEROFF_SWDOWN Power off by S W Download POWEROFF_UNKNOWN Power off by unknown status except listed case Abnormal POWEROFF_ABNORMAL1 Power of...

Страница 20: ...r Board and repair parts Check Speaker disconnection N Y Replace Speaker Replace MAIN Board End C Audio error No audio Normal video A13 A14 Disconnection Established date Revised date 6 11 Error symptom Standard Repair Process 6 Monitor Signage Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 21: ...t 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 13 2V Voltage Pin no 7 8 Replace Main B D In case of External Input signal error Check and fix external device Replace Main B D N E...

Страница 22: ...Cable connection Connector solder Normal operating Check B 3 5V On Main B D A15 Normal Voltage Close N N Check 13 2v on Power B D Replace Power B D or Replace Main B D Power B D don t have problem A4 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 8 11 Error symptom 8 Y 1 Remote control R C operating ...

Страница 23: ...l device cable HDMI RGB DVI DP 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 9 11 Error symptom Standard Repair Process 9 Monitor Signage Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 24: ...n 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 noise Established date Revised date 10...

Страница 25: ...lace remote controller Remote controller damage Stand dent Replace stand F Exterior defect Exterior defect Established date Revised date 11 11 Error symptom Standard Repair Process 11 Monitor Signage Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 26: ...ethod A5 6 connection diagram A6 7 Check Link Cable LVDS reconnection condition A7 8 Adjustment Test pattern ADJ Key A9 9 A Video error_Vertical Horizontal bar residual image light spot Check Link Cable LVDS reconnection condition A7 A8 10 Adjustment Test pattern ADJ Key A9 11 Appendix Defected Type caused by Main Inverter Module Exchange LED driver Board PSU A 3 5 12 Exchange Module itself 1 A 4 ...

Страница 27: ...hile viewing POWER OFF MODE checking method A12 17 C Audio error_No audio Normal video Checking method in menu when there is no audio A13 18 Voltage and speaker checking method when there is no audio A14 19 D Function error_ No response in remote controller key error Remote controller operation checking method A15 Continued from previous page Copyright ⓒ 2016 2017 LG Electronics Inc All rights res...

Страница 28: ...D 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 module holes All MODELS A1 Monitor Signage Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 29: ... Normal audio A2 Established date Revised date Error symptom Content A2 1 Check the Voltage between LED LED 2 The Voltage spec is in Power B D spec sheet 3 Refer to the Power B D Spec sheet Monitor Signage Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 30: ... Video error_No video Normal audio ALL MODELS A3 Established date Revised date Error symptom Content A3 Entry method 1 1 Press the ADJ button on the remote control for adjustment 2 Enter into White Balance of item 14 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 Monitor Signage Copyright ⓒ 2016 2017 LG Electronics Inc Al...

Страница 31: ...rror symptom Content A4 Check the 13 2V for Audio 12 Pin Power Board Main Board SMAW200 H12S5K BK 1 PWR On 2 32 43 N C 49 55 65 PWM 2 3 GND 4 D 13 2 V 5 D 13 2 V 6 D 13 2 V 7 A 13 2 V 8 A 13 2 V 9 GND 10 GND 11 DRV On Inverter On 12 PWM 1 Monitor Signage Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 32: ...deo lag stop 1 Checking method for remote controller for adjustment Press the IN START with the remote controller for adjustment Version ALL MODELS A5 Established date Revised date Error symptom Content A5 Monitor Signage Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 33: ...l 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 SM5C Monitor Signage 65SM5C Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 34: ...ndition 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 Monitor Signage Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 35: ...f 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 A9 Established date Revised date Error symptom Content A9 Monitor Signage Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 36: ...roken 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 LVDS Cable or Main B D 1 Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 37: ...al Power Section Solder defect Short Crack Fuse Open Abnormal power section Noise GRADATION GRADATION Abnormal Display Appendix Exchange LVDS Cable or Main B D 2 Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 38: ...No picture Sound Ok Appendix Exchange Power Board No Light Dim Light Dim Light Dim Light A 3 5 Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 39: ...ght leakage Press damage Crosstalk Crosstalk Press damage Panel Mura Light leakage Press damage Un repairable Cases In this case please exchange the module Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 40: ...ical 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 Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 41: ...r Signage Check the Main Power Voltage 4 5 6 Pin Power On DC On Status 13 2 V STBY Status 8 8 V 12 Pin Power Board Main Board SMAW200 H12S5K BK 1 PWR On 2 32 43 N C 49 55 65 PWM 2 3 GND 4 D 13 2 V 5 D 13 2 V 6 D 13 2 V 7 A 13 2 V 8 A 13 2 V 9 GND 10 GND 11 DRV On Inverter On 12 PWM 1 Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 42: ...ptom Content A11 Check power on Pin 1 pin is high Monitor Signage 12 Pin Power Board Main Board SMAW200 H12S5K BK 1 PWR On 2 32 43 N C 49 55 65 PWM 2 3 GND 4 D 13 2 V 5 D 13 2 V 6 D 13 2 V 7 A 13 2 V 8 A 13 2 V 9 GND 10 GND 11 DRV On Inverter On 12 PWM 1 Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 43: ... item 3 Standard Repair Process Detail Technical Manual POWER OFF MODE checking method B Power error _Off when on off whiling viewing ALL MODELS A12 Established date Revised date Error symptom Content A12 Monitor Signage Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 44: ... Process Detail Technical Manual Checking method in menu when there is no audio C Audio error_No audio Normal video ALL MODELS A13 Established date Revised date Error symptom Content A13 Monitor Signage Press the Settings or Menu Button over then 5 Sec Appear square on top right 1 Press the 0 4 times 2 Press the OK Button Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserved Only training a...

Страница 45: ... 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 A14 Established date Revised date Error symptom Content A14 SM5C Main Ass y Monitor Signage 12 Pin Power Board Main Board SMAW200 H12S5K BK 1 PWR On 2 32 43 N C 49 55 65 PWM 2 3 GND 4 D 13 2 V 5 D 13 2 V 6 D 13 2 V 7 A 13 2 V 8 A 13 2...

Страница 46: ...ctive when it does not move at all Standard Repair Process Detail Technical Manual Remote controller operation checking method D Function error_ No response in remote controller key error A15 Established date Revised date Error symptom Content A15 JK6201 M7 GND M4 3 5V_ST M3 NC M1 IR M6 EYE_SCL M5 EYE_SDA SM5C Models Monitor Signage JK6201 Copyright ⓒ 2016 2017 LG Electronics Inc All rights reserv...

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