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LED MONITOR
SERVICE MANUAL
CHASSIS :
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL71804674 (2405-REV01)
Any reproduction, duplication, distribution (including by way 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 © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
LM47A
24/ 27BA550
24/ 27BA560
24/ 27BA550-BA
24/ 27BA560-BA
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Summary of Contents for LG 24/27BA550
- Page 1 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.
- Page 2 SPECIFICATION ..................4 BLOCK DIAGRAM ................... 7 EXPLODED VIEW ..................8 DISASSEMBLY AND ASSEMBLY PROCESS.......... 9 TROUBLE SHOOTING GUIDE ..............1 6 FIRMWARE UPDATE..............APPENDIX - 2 - Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 3 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 © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 4 EAY65899202 Output: DC 19V 1.6A 30.4W, Model : 24/27BA450 Manufacturer : SHENZHEN HONOR ELECTRONICS CO.LTD LGD OPEN Cell: Applying module list P/No Specification - 4 - Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 5 AUO P/No : 86.00000.591 M3 x L6, 3ea common AUO P/No : 86.00000.557 M3 x L8, 2ea AUO P/No : 86.00000.175 M3 x L3, 2ea - 5 - Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 6 * 9 Timing : Recommended timing at the HDMI and DP input 2-3. HDMI Video Input Factory support Horizontal Vertical mode frequency frequency (Preset Mode) (KHz) (Hz) 480P 31.5 720P 1080P 67.5 1080P - 6 - Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 7 AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General Circuit Block Diagram - 7 - Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 8 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 List the type that would typically be used to disassemble the product to a point where components and materials requiring selective treatment can be removed. Tool Description Tool information Screw driver Crowbar - 9 - Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 10 AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General 1. Disassembly flow chart - 10 Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 11 AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General - 11 Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 12 AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General - 12 Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 13 AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General - 13 Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 14 AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General - 14 Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 15 AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General - 15 Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 16 Change UD3 and re-check it(5V to 3.3V IC) Check the voltage of CD14(1.0V) Change UD2 and re-check it(5V to 1.0V IC) Change base board - 16 Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 17 Check Panel LVDS CLK Scaler CNF1(#10,11, 22,23) Check the L V D S Cable status Change the LVDS Cable Change Module or T-Con board - 17 Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 18 Check the DP cable is from BOX packing, and connected well or not Check the DP Jack Status(DP) Change the DP Jack Change Main Scaler IC - 18 Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 19 AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General FIRMWARE UPDATE Required Item : - 19 Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 20 AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General - 20 Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 21 AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General - 21 Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 22 AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General AUO-General...