LG UltraFine 24MD4KL Service Manual
4k monitor
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Also See for UltraFine 24MD4KL:
- Owner's manual (31 pages) ,
- Owner's manual (31 pages) ,
- Owner's manual (31 pages)
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Summary of Contents for LG UltraFine 24MD4KL
- Page 1 UltraFine 4K MONITOR SERVICE MANUAL CHASSIS : LM8KA MODEL : 24MD4KL 24MD4KL-B CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL70041056 (1901-REV00) Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
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Page 2: Table Of Contents
SPECIFICATION ..................4 SOFTWARE UPDATE ................6 BLOCK DIAGRAM ................... 7 EXPLODED VIEW ..................8 TROUBLE SHOOTING GUIDE ..............9 TRAINING MANUAL ..............APPENDIX - 2 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes. -
Page 3: Safety Precautions
When the exposed metal has no return path to the chassis the reading must be infinite. An other abnormality exists that must be corrected before the receiver is returned to the customer. - 3 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes. -
Page 4: Specification
Weight : 0.67 kg ± 10 % Power Rating 100-240V~ 50/60Hz 2.3A It was checked by HQ Standard. Accessory Box Thunderbolt3 Cable/USB-C Cable/Power Cord/ESG/ VESA Bracket - 4 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes. - Page 5 4000 3840 3840 x 2160 V(Lines) 2222 2160 H(Pixels) 533.28 133.31 4000 3840 3840 x 2160 V(Lines) 2222 2160 * (1) : Preferred timing. - 5 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
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Page 6: Software Update
- Automatic installation when boot the Macbook. sage output. - Automatic Updates On/Off - Factory Reset - Help 2. How to FW Update 1) Go to the Monitor Update tab - 6 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes. -
Page 7: Block Diagram
BLOCK DIAGRAM - 7 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes. -
Page 8: 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. Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes. -
Page 9: Trouble Shooting Guide
Ch ange th e IC904 IC904 Voltage: 1.1V Ch eck X500 Clock Ch ange th e X500 14.318MHz Ch ange th e Flash IC501 - 9 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes. - Page 10 An d change the M ain Board P 501(#17,18) Ch eck th e FFC Cable Ch ange th e FFC Cable Ch ange th e Panel or T -Con board - 10 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 11 Check the TBT Cable connection and damage of Cable. Check the Cable connection Connect the Cable to of JK1000 /JK1001 JK1000/JK1001 Change the IC500 - 11 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 12 Remove the Foreign material Change the FAN Check the Dis play 10min (Color changed to Gray) Change the Main PCBA Or Change the Temperature Sensor - 12 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
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Page 13: Training Manual
TRAINING MANUAL Copyright ⓒ 2019 LG Electronics Inc. All rights reserved. Only training and service purposes. - Page 14 Display Audio and can adjust Output Volume in bottom side Windows impossible. Select the Speaker Icon in Windows Tray, and then select LG UltraFine Display Audio for adjusting the Volume Copyright ⓒ 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 15 1) Checking the symptom: To guide the customer that they need to check the Apple Device List in Apple website. And it may caused by TBT2 to 3 Adapter or Apple Devieces. Copyright ⓒ 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 16 Because the 2015 PC has a low NVM version, it may cause compatibility problems with monitors. From the desktop icon tray, Bottom left, select “information” Right-click above ICON and select "Settings" Copyright ⓒ 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 17 USB device (or USB HUB) must be connected to the USB expansion port for normal operation. <24MD4KL> <27MD5KL> Thunderbolt input port Thunderbolt input port USB expansion port USB expansion port Copyright ⓒ 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 18 2nd monitor in Daisy Chain is recommended to use the 24MD4KL model whenever possible.(Guide that problems may occur Monitor (24MD4KL) Monitor (24MD4KL) when using other models) Thunderbolt input port Thunderbolt input port PC (Mac Device Recommended) USB expansion port USB expansion port Copyright ⓒ 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 19 The reason why there are the two Thunderbolt input ports is for the Daisy Chain function. 24MD4KL 썬더볼트 입력 Port PC #1 PC #2 USB expansion port Copyright ⓒ 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 20 Tool Size (if applicable) Screw driver Plastic stick Jig * Disassemble Process ① Place Set on the table. ② Remove the stand by operating the stand release button. Copyright ⓒ 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 21 ③ Remove the screw 4EA. ⑤ Detach Bottom → Left, Right → CA/BC using plastic jig ⑥ Rear shield + Remove the module tightening screw 10EA. Copyright ⓒ 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 22 ⑨ Remove the ALS sensor from the top of the module after separating the CA from the module. ⑩ Removing Screw 15EA, separate Main/Power/ Temperature sensor/Fan Copyright ⓒ 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 23 24MD4KL Disassembly process Temp. sensor Power Board Sub board Shield Bottom bracket Rear shield Assy Main Board Speaker ⑪ DMS chassis disassemble picture Copyright ⓒ 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.