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LG Cloud Device
SERVICE MANUAL
CHASSIS :
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL71804641 (2311-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 © 2023 LG Electronics Inc. All rights reserved. Only training and service purposes.
LM22G
24CR670N-6N/ 24CR670N6P
24CR670NK6N/24CR670NK6P
24CR671N-2P/ 24CR671N-6P
24CR671NK6P
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Table of Contents
Related Manuals for LG 24CR670N-6N
Summary of Contents for LG 24CR670N-6N
- 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.
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Page 2: Table Of Contents
SPECIFICATION ..................4 BLOCK DIAGRAM ................... 7 EXPLODED VIEW ..................8 TROUBLE SHOOTING GUIDE ..............9 DISASSEMBLE GUIDE ............APPENDIX SOFTWARE UPDATE GUIDE ..........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
56 - 75 Hz Max. 1920x1080 @ 75Hz Resolution HDMI Recommend 1920x1080 @ 60Hz Power Input Voltage Voltage: AC 100 ~ 240Vac, 50-60Hz, 1.8A-0.7A - 4 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes. - Page 5 1050 H(Pixels) 148.5 67.5 2200 1920 1920 x 1080 V(Lines) 1125 1080 H(Pixels) 174.5 83.89 2080 1920 1920 x 1080 V(Lines) 74.97 1119 1080 - 5 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 6 Factory support mode Horizontal frequency Vertical frequency HDMI (Preset Mode) (KHz) (Hz) 480P 31.5 576P 31.25 720P 37.5 720P 1080P 56.25 1080P 67.5 (Recommend Mode) - 6 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
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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
TROUBLE SHOOTING GUIDE First of all, Check whether there is SVC Bulletin in GSCS System for these model. 1. No Power On Cold-Boot Power Sequence - 9 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes. - Page 10 - 10 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 11 2. No Screen On - 11 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 12 3. No Video - HDMI - 12 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
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Page 13: Disassemble Guide
DISASSEMBLE GUIDE Copyright ⓒ 2023 LG Electronics Inc. All rights reserved. Only training and service purposes. - Page 14 Disassemble 1. Stand 2. Back Cover 3. Cable 4. Side USB Copyright ⓒ 2023 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 15 Disassemble 5. Webcam 6. Speaker 7. Rea Shield 8. Control 9. Module Copyright ⓒ 2023 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 16 Disassemble 10. W-LAN, Memory, SSD, Main B’d Copyright ⓒ 2023 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 17 SOFTWARE UPDATE Copyright ⓒ 2023 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 18 2) It will progress to upgrade the BIOS such as below screen, and then the set will reboot automatically. Copyright ⓒ 2023 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 19 [F2] Key to enter the “Setup Menu” -Choose the “main > System Information”, it will be shows the below screen. -Check the changed DMI information. Copyright ⓒ 2023 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 20 SOFTWARE UPDATE 7. How to install the windows image 3) Go to the image directory and run image write script file (ex. cd CQ6_LG_IMAGE\24CQ650_19044IE_EN08\ 24CQ650_19044IE_EN08.bat) Copyright ⓒ 2023 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 21 SOFTWARE UPDATE Copyright ⓒ 2023 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 22 SOFTWARE UPDATE Copyright ⓒ 2023 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 23 SOFTWARE UPDATE 8. How to check the windows image version Copyright ⓒ 2023 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 24 HDMI port of monitor Connect the USB cable Between USB-B port of Jig 4) After update the F/W, It will do the Factory Reset And USB-A port of PC Copyright ⓒ 2023 LG Electronics Inc. All rights reserved. Only training and service purposes.