LG 38WN75C Service Manual
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Also See for 38WN75C:
- Owner's manual (27 pages) ,
- Owner's manual (27 pages) ,
- Owner's manual (27 pages)
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LED MONITOR
SERVICE MANUAL
SERVICE MANUAL
CHASSIS :
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL69413822 (2004-REV00)
P/NO :
Copyright © 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
LM61A
38WN75C
38BN75C
CONFIDENTIAL
38WN75C-BK
38BN75C-BK
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Summary of Contents for LG 38WN75C
- Page 1 MODEL : 38WN75C 38WN75C-BK 38BN75C 38BN75C-BK CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : P/NO : MFL69413822 (2004-REV00) Copyright © 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
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Page 2: Table Of Contents
SAFETY PRECAUTIONS ................ 3 SPECIFICATION ..................4 TROUBLE SHOOTING GUIDE ..............7 BLOCK DIAGRAM ................... 8 EXPLODED VIEW ..................9 DISASSEMBLY ..................10 DOWNLOAD ................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
Not applied Accessory Box P/No Specification 34” 21:9 Curved WQ HD MODULE Applying module list (LG Display)(Refer to BOM) EAJ63749901 LM340UW3-SSA1 WQHD 34INCH 3440X1440 - 4 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes. - Page 5 1600 H(Pixels) 81.875 4000 3840 327.50 3840 x 1600 V(Lines) 49.985 1638 1600 H(Pixels) 98.75 4000 3840 395.00 3840 x1600 V(Lines) 59.994 1646 1600 - 5 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 6 2.3. HDMI Video input Factory support Horizontal Vertical mode frequency frequency (Preset Mode) (KHz) (Hz) 480P 31.5 720P 1080P 67.5 2160P - 6 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
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Page 7: Troubleshooting Guide
8) USB Hub IC : function of HUB to the PC, should be connect to the PC with USB-C/C or USB-C/A cable. Location No. : IC701 - 7 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes. -
Page 8: Block Diagram
BLOCK DIAGRAM - 8 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes. -
Page 9: 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 10: Disassembly
1) Lay the set by the Curved PAD in Box 5) Disassemble the Back Cover (By using JIG) 2) Disassemble the Stand after pull the button to down - 10 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes. - Page 11 Bluetooth PCB cable, FFC cable, Speaker 7) Disconnect Control Assemble, BT PCB (Latch Type) 8) Remove the screw. (4EA) 9) Remove the screw. (18EA) - 11 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
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Page 12: Download
DOWNLOAD Copyright ⓒ 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes. - Page 13 Step4. Check a installed driver of Mstar ISP USB in device manager. (Installing a driver, port should be shown as “USB Serial Port”. however, port number can be different.) Copyright ⓒ 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 14 Step6. Please click “Connect” button after connecting HDMI cable to HDMI1 port of monitor. If monitor can communicate normally ISP, the following pop-up should be shown as “Device Type is MX25L8005”. Copyright ⓒ 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 15 Step6. After clicking “Read” button, the selected SW file should be opened to be updated FW. Please ensure that it matches the checksum(E3AD) between file name(E3AD). EX : UC99_MST9U11Q1_MSTAR_V2.07_E3AD_rev2728_160720.bin Copyright ⓒ 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 16 ( The “File Area” of erase device should be selected in order to maintain system and factory calibration data. ) 3) Click “Run” button Copyright ⓒ 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 17 4. Please remove the plastic, which is marked as ‘DO NOT USE’ on the monitor’s rear. 5. Please insert the USB memory stick to the USB 2.0 port. Copyright ⓒ 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 18 1. After searching the highest version in LG_MNT folder of USB, the updating feature has been automatically performed regardless of the current version of monitor. [Common] When the updating feature is completed, monitor will turn off/on automatically after 3 seconds. Copyright ⓒ 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 19 Q. The power turns off suddenly during updating PD FW under 50% status of progress bar, how can I do? After turning on the power, the updating will be progress again from the beginning percentage. Copyright ⓒ 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
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