LG 15U340 Series Service Manual

Hide thumbs

Table Of Contents

Table of Contents

Quick Links

Download this manual

LGE Internal Use Only

Service Manual

Notebook

15U340 Series

REV. 04

reproduced, modified, distributed, displayed, stored in a retrieval

system, or transmitted in any form by any Means (electronic,

2015. 02. 05

photocopying, recording or otherwise), without the Prior written

Retention period until : 2018-09

authorization of LG Electronics.

Table of Contents

Need help?

Do you have a question about the 15U340 Series and is the answer not in the manual?

Questions and answers

Summary of Contents for LG 15U340 Series

Page 1 Notebook 15U340 Series REV. 04 Copyrightⓒ 2014 LG Electronics, Digital Mate Co., Ltd . All rights reserved. No part of this manual may be used, copied, reproduced, modified, distributed, displayed, stored in a retrieval system, or transmitted in any form by any Means (electronic, 2015.
Page 2: Table Of Contents
Recovering from Boot Failure Backup and Restore Security Platform Data Symptom-to-part index Problems regarding System Shutdown and Booting Power system checkout LCD-related symptoms Indeterminate problems Removing and replacing a part (FRU) Part lists Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 3: Important Service Information
The drive startup sequence in the computer you are servicing may have been changed. Be extremely careful during write operations such as copying, saving, or formatting. If you select an incorrect drive, data or programs can be overwritten. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 4: Safety Notices
Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to burn personnel or combustible materials. WARNING Before removing any part (FRU), turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 5: Safety Information
3 Removing or installing main units Before you start to work on the machine, unplug the power cord. If you cannot unplug it, ask the customer to power-off the wall box that supplies power Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 6: Safety Inspection Guide
This guide addresses only those items. You should use good judgment to identify potential safety hazards due to attachment of non-LG features or options not covered by this inspection guide. If any unsafe conditions are present, you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem.
Page 7: Handling Devices That Are Sensitive To Electrostatic Discharge
4 Check the power cord for : 5 Check for any obvious non-LG alterations. Use good judgment as to the safety of any non-LG alterations. 6 Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.
Page 8: Laser Compliance Statement
Emits visible and invisible laser radiation when open. Do not stare into the beam , do not view directly with optical instruments, and avoid direct exposure to the bean. Backup (Standby) RTC battery safety information When replacing or disposing of the backup (standby) RTC battery, note the following : Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 9: Read This First
Before you go to the checkout guide, be sure to read this section. IMPORTANT NOTE Only trained personnel certified by LG should service the computer. Read the entire FRU removal and replacement page before replacing any FRU. Use new nylon-coated screws when you replace FRUs.
Page 10: Name Of Each Part
1 Devices that are not authorized with USB 3.0 may not operate normally when connected to the USB 3.0 port. 2 The 4-pole ear microphone port supports US type 4-pole standards and the European 4-pole ear microphone may not work properly. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 12: System Information
Only 64 bit operating system supports 3 GB or more memory. The 32 bit operating system supports up to 3 GB memory. Memroy size may differ depending on the model. Users Cannot exchange the main memory manually. Please visit the LG Electronics Service Center should the memory need replacement. Storage 2.5 inch (6.35 cm) hard disk drive that supports SATA2...
Page 14: Using Hot Keys
The [Fn] + [F2] hot key should use LG Update Center to install LG Easy Stater, in order to work properly, To enable OSD Guide message to appear, update the OSD3 from [LG Update Center]. Then run [LG Control Center] > [System Settings] > [On Screen Display] tile.
Page 15: Operation Status Lamps
Do not turn off the power forcibly while the hard disk drive lamp is on or blinking. Otherwise, the disk or its data may get damaged. Webcam Lamp On: When the webcam is operating Off: When the webcam is not operating Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 16: Bios Flash
To boot into DOS and EFI Shell, you must disable “Secure Boot option”. To boot from a USB device, use [F2] key to move the USB device to the top of the list in Boot menu after entering BIOS Setup, or press [F10] key to display Boot menu while the LG logo is being displayed, and the select a device you want to use.
Page 17 NOTE For details, refer to [Check Secure Boot]. It selects the :” Load Setup Defaults” on the “Exit” menu or [F9] Key and it summons a BIOS settings at initial value. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 18: Check Secure Boot
Upon the system rebooting, enter BIOS Setup again and check if Secure Boot has the values in the following figure. (Check UEFI Secure Boot, Protected Signatures, CertNames and Secure Boot Option.) Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 19: Bios Setup
Downgrading from Windows 8.1 to Windows 7 (SecureBoot Disable) In Windows 8.1, select “Restart”. Once the system restarts and “LG” Logo appears, press [F2] key. The booting speed is faster than the existing models. You’d better press it as soon as the system restarts.
Page 20 This shows the speed of the memory card. Total Memory This shows size of system memory. SATA 0 This shows SATA HDD information. System Date / Time Drag the Date or Time button to change the system date/time. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 21: Advanced Menu
When it is Off, the fan does not run at low temperatures. When it is On, the fan always runs. (Default: On) Fn Key Setup Sets the Fn keys to be unavailable, available all the time, or available only when pressed for a certain duration. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 22 (DEP: Technology examining memory additionally to prevent execution of malignant code in the system) Intel provide XD (eXecute Disable bit) that architecture is compatibility with DEP as a standard. Intel® Virtualization Technology Set Intel® Virtualization Technology. Intel® HT Technology Set Intel® HT Technology. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 23: Security Menu
Reset the Protected Signatures option to Enable (User Mode) if it is Disabeld (Setup Mode) Change to Customization Set the Protected Signatures option to Disabled (Setup Mode). Once you do so, the Secure Boot option stays Disabled until you click the Reset to Default option. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 25 This changes the parameters in the Setup menu to the factory default settings. When it is selected or [F9] key is pressed, the confirmation message appears. Click [Yes] to change the settings. Discard Changes This returns to the factory default settings for each parameter in the Setup menu. Save Changes Save change value. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 26: Using Lg Recovery Center
System information Using LG Recovery Center If the system has an error, you can use LG Recovery Center to use Windows 8.1 recovery function to recover or restore the system to its initial pre- purchase state. NOTE LG Recovery Center uses the Windows 8.1 recovery function.
Page 27 When the following screen appears, select the USB flash drive and click [Next]. CAUTION This process deletes all the data on the storage device designated as a recovery drive. Make sure to back up its data in advance. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 28 Select [Remove the Recovery Partition] while creating a recovery drive to remove the recovery partition in the PC. Once the recovery partition is removed, you cannot use the recovery function of the PC. You can only recover the system using the recovery media. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 29: Recovering From Boot Failure
System information Recovering from Boot Failure If booting is impossible due to a serious error with the system, you can recover the system through LG Recovery Center RE. CAUTION If you have deleted the restoration data in the protected area of the hard disk, or have arbitrarily installed another operating system, the restore function may not work.
Page 30 For recovery, the power adapter must be connected. Connect the system power and then recover the system. When the factory reset has been completed as shown in the following figure, click the [Complete] button and then restart the system. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 31 If it is impossible to recover by using [F11], you can recover the system through a recovery drive. To recover by using a recovery drive, you must have the recovery drive made through LG Recovery Center [Create Recovery Drive]. Connect the recovery drive to the USB port of the PC.
Page 32: Backup And Restore Security Platform Data
PSD configuration settings are included in both automatically written Backup Archives and manually written Backup Archives. y PSD backup file (e.g. SpPSDBackup.fsb): A backup copy of the PSD image file may be created during a Security Platform User's manual backup. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 33 Please note that automatic backups are only executed if your PC is not shut down at the scheduled time.Please note that the user account chosen for the scheduled backup must be member of the group “Administrators” or “Backup Operators”. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 34 This button is disabled, if the Infineon Security Platform is disabled or not yet set up. Click here to create a backup authentication device. This feature is only available, if Enhanced Authentication is enabled. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 35: Symptom-To-Part Index
Check that the battery pack supplies power when you power on the computer. If you suspect a power problem, see the appropriate one of the following power supply checkouts : Checking the AC adapter Checking the operational charging Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 36 To check the status of your batter, move your cursor to the Power Meter icon in the icon tray of the Windows taskbar and wait for a moment (but do not click), and the percentage of battery power remaining is displayed. To get detailed information about the battery, double-click the Power Meter icon. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 37 If the resistance is not correct, replace the battery pack. If the resistance is correct, replace the system board. NOTE Charging will take at least 3 hours. NOTE Battery is an expendable supplier, so its capacity and used time can be reduced by using the computer. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 38: Lcd-Related Symptoms
LCD Assembly. LCD screen unreadable. System board. Wrong color displayed. Horizontal or vertical lines displayed LCD Assembly. on LCD Power-on indicator on, and a blank\LCD LCD Assembly. during POST. System board. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 39: Indeterminate Problems
If the problem remains, replace the following FRUs one at a time. (do not replace a non-defective FRU) a. LCD Assembly (Check external monitor whether the same problem recurs or not). b. Keyboard. c. Keydeck (TouchPad and Scroll Button Assembly). d. System board. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 40 As for the screw, every Torque 3 ± 0.2Kgfcm(0.196Nm) * The system hinge part apply to 2.5 ㎏fcm. For further information on Removing and Replacing a Part(FRU), refer to Explore view Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 42 Removing and replacing a part (FRU) Remove the 10 screws. FRU No. Specification FAB31879202 Screw(M2.5x8)_silver 1SZZBA4068D Screw(M2.5x5)_silver Push up the bottom cover and remove it. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 44 Remove the following parts in order before replacing this part a . Bottom Cover(1010) After removing 1 cable and remove the 2 screws. FRU No. Specification 1SZZBA4019J Screw(M2X3.0L) Raise upwards the bottom cover and remove the battery. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 45 FRU No. Specification FAB31740501 Screw, M2.0 x L5.5 x H1t x D3.8 (Matt Silver) Remove after HDD 4 screws and remove HDD, Backet, Cable . FRU No. Specification 1SZZBA4011K screw (M3XL3) Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 47 Remove the following parts in order before replacing this part a . Bottom Cover(1010), b. Battery(1020) After removing the cable and remove 3 screws. FRU No. Specification 1SZZBA4019J Screw, M2X3.0L Remove the Sub Board. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 49 Removing and replacing a part (FRU) 1050 Memory NOTE Remove the following parts in order before replacing this part a . Bottom Cover(1010), b. Battery(1020) Remove the Hook. HOOK HOOK Remove the Memory. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 50 Remove the following parts in order before replacing this part a . Bottom Cover(1010), b. Battery(1020) After removing the cable and remove 2 screws. FRU No. Specification 1SZZBA4019J Screw(M2X3.0L) Remove the Fan Module. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 51 Remove the following parts in order before replacing this part a. Bottom Cover(1010), b. Battery(1020), c. Keyboard deck(1030) After removing the 2 screws and remove the cable. FRU No. Specification 1SZZBA4019J Screw, M2X3.0L Remove the WLAN. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 52 Remove the following parts in order before replacing this part a . Bottom Cover(1010), b. Battery Pack(1020) After removing the 2 screws and remove the 2 cables. Cable Cable FRU No. Specification 1SZZBA4019J Screw(M2X3.0L) Removes the Speaker. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 53 Removing and replacing a part (FRU) 1090 Mic NOTE Remove the following parts in order before replacing this part a . Bottom Cover(1010), b. Battery(1020), c. Keyboard deck(1030) Remove the cable. Remove the Mic. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 54 Removing and replacing a part (FRU) 1100 Touch Pad FFC Cable NOTE Remove the following parts in order before replacing this part a. Bottom Cover(1010), b. Battery(1020) Remove the Cable. Remove the Touch Pad FFC Cable. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 55 After removing the 8 screws and remove the cable. FRU No. Specification 1SZZBA4041J Screw, M2.0 X L3.0 X D3.3 X H0.3 (Black) Remove the Mainboard. CAUTION When you remove the Mainboard, Remove it on the HDMI port carefully. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 57 . Bottom Cover(1010), b. Battery(1020), c. HDD(1030), d. Sub Board(1040), e. Memory(1050), f. Fan Moudle(1060), g. WLAN(1070), h. Speak- er(1080), i. Mic(1090), j. Touch Pad FFC Cable(1100), k. Mainboard(1110) Remove 4 screws. FRU No. Specification 1SZZBA4068D Screw(M2.5x5)_silver Remove the Keydeck. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 58 Mic(1090), j. Touch Pad FFC Cable(1100), k. Mainboard(1110), l. Keydeck(1120) After removing 2 cables and remove 2 screws. FRU No. Specification FAB32158701 Screw M2.0*L2.5*D7.5 Remove the Touch Pad Sub Board and Cable. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 59 . Bottom Cover(1010), b. Battery(1020), c. HDD(1030), d. Sub Board(1040), e. Memory(1050), f. Fan Moudle(1060), g. WLAN(1070), h. Speaker(1080), i. Mic(1090), j. Touch Pad FFC Cable(1100), k. Mainboard(1110), l. Keydeck(1120) Remove the Hinge Cap to the same direction as the below image. Remove the Hinge Cap. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 60 Mic(1090), j. Touch Pad FFC Cable(1100), k. Mainboard(1110), l. Keydeck(1120), m. Hinge Cap(1140) Remove the 4 screws. FRU No. Specification FAB32158701 Screw M2.0*L2.5*D7.5 Separate from the edge of the Hook first. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 62: 1160 Lcd Assembly
Mic(1090), j. Touch Pad FFC Cable(1100), k. Mainboard(1110), l. Keydeck(1120), m. Hinge Cap(1140), n. LCD Front Case(1150) After removing 4 screws, remove the LCD cable by the back of LCD. FRU No. Specification 1SZZBA4041J Screw M2.0*L3.0 Reomve the LCD Assembly. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 63 Mic(1090), j. Touch Pad FFC Cable(1100), k. Mainboard(1110), l. Keydeck(1120), m. Hinge Cap(1140), n. LCD Front Case(1150), o. LCD Assem- bly(1160) Remove the 8 screws. FRU No. Specification 1SZZBA4019J Screw(M2X3.0L) Remove the Hinge. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 64 Mic(1090), j. Touch Pad FFC Cable(1100), k. Mainboard(1110), l. Keydeck(1120), m. Hinge Cap(1140), n. LCD Front Case(1150), o. LCD Assem- bly(1160), p. Hinge(1170) Remove Web Cam module and LCD Cable. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 66: Part Lists
KBD DECK Korean, white, w/o HDD hole plate NKDECK01 AFP74365108 KBD DECK Brazil UK, white, w/o HDD hole plate Keyboard Deck NKDECK01 AFP74365103 K-DECK BASE ASS’Y, English_US NKDECK01 AFP74365104 K-DECK BASE ASS’Y, English_arabic Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 67 40W 2P DC PIN PLUG Brazil, White Color (Adapter & NADT01 EAY63128602 Brazil Power Cord all in one) ADS-40MSG-19 19040GPBR BD 100-240V 19V 2.1A NADT01 EAY63128702 50/60HZ Brazil WALL 2P DC PIN PLUG Brazil, Black Brazil Color Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 68 MEZ65588906 11/18 add(14) 3160 hmw_silver HDMI Logo Label NT ALL Base Color: White, Font NLAB06 MEZ65369602 Color: Black COMPLEX NT-X ACCESSORY ZIPPER NO Pouch NPOUCH01 MAF63108501 PRINT B2C Carrying BAG 14-15inch Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 70 Hinge - LEFT NLCD06 MEF62902802 Hinge - RIGHT NLCD07 MBL65779501 Hinge cap NLCD07 MBL65779502 Hinge cap - Silver color 11/18 add(14) NLCD08 EAA63444901 Antenna Wifi Main NLCD09 EAA63605301 Antenna Wifi Aux Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 72 EAD62671301 WHITE NKDECK03 EAB63129402 Speaker R NKDECK04 EAB63129401 Spearker L NKDECK05 EAB62851501 Mic assy NKDECK06 EBR78844901 15U340 Touch Pad Sub B/D NKDECK07 EAD62671401 15U340 T/P FFC 80MM 0.50MM 6P WHITE UL Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 74 E 802.11bgn 150Mbps - AZUREWAVE TECH Brazil NOLOGIES, INC. NMRY01 EAN62661601 Hynix 1600MHz 4GB Memory (DDR3L) Memory NMRY01 EAN62682401 Hynix 1600MHz 8GB Memory (DDR3L) Battery NBATT01 EAC62178701 Battery ass'y Thermal Mod NFAN01 EAL61500901 FAN module Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 76 40W 2P DC PIN PLUG Brazil, White Color (Ada NADT01 EAY63128602 Brazil pter & Power Cord all in one) ADS-40MSG-19 19040GPBR BD 100-240V 19 NADT01 EAY63128702 V 2.1A 50/60HZ Brazil WALL 2P DC PIN PLUG Brazil Brazil, Black Color Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...

LG 15U340 Series Service Manual

Quick Links

Need help?

Questions and answers

Summary of Contents for LG 15U340 Series

Page 2: Table Of Contents

Page 3: Important Service Information

Page 4: Safety Notices

Page 5: Safety Information

Page 6: Safety Inspection Guide

Page 7: Handling Devices That Are Sensitive To Electrostatic Discharge

Page 8: Laser Compliance Statement

Page 9: Read This First

Page 10: Name Of Each Part

Page 11: Front View

Page 12: System Information

Page 13: System Block Diagram

Page 14: Using Hot Keys

Page 15: Operation Status Lamps

Page 16: Bios Flash

Page 18: Check Secure Boot

Page 19: Bios Setup

Page 21: Advanced Menu

Page 23: Security Menu

Page 26: Using Lg Recovery Center

Page 29: Recovering From Boot Failure

Page 32: Backup And Restore Security Platform Data

Page 35: Symptom-To-Part Index

Page 38: Lcd-Related Symptoms

Page 39: Indeterminate Problems

Page 41: 1010 Bottom Cover

Page 62: 1160 Lcd Assembly

Page 66: Part Lists

LG 15U340 Series Service Manual

Quick Links

Need help?

Questions and answers

Related Manuals for LG 15U340 Series

Summary of Contents for LG 15U340 Series

Table of Contents