LG 23V545 Series Service Manual

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23V545 Series

REV. 02

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Page 1 All-in-one 23V545 Series REV. 02 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
Using LG Recovery Center Recovering from Boot Failure Backup and Restore Security Platform Data Symptom-to-part index 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
Webcam Camera Built-in microphone Power Button Screen Standby Lamps Remote Sensor TV Channel Button Volume Control Button OK Button Settings Menu Button TV / External input Button Monitor / TV Power Button Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 11 Multi card slot Vent Vent Kensington lock The fast charge USB port complies with USB specifications. This function may not work properly in products that do not comply with the USB specifications. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 12: System Information
In order to use Bluetooth 4.0, the device you want to connect to should support Bluetooth 4.0. Wireless LAN Intel®3160HMW Manufacturers and installers cannot provide services related to human safety as this wireless device may cause radio interference. Web Camera 1.3 M HD Web camera Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 13: Product Weight
The weight may differ according to the model. Types and specifications of display, CPU, Graphics, hard disk, Bluetooth, Wireless LAN and Web Camera may differ depending on the PC model. The user must not replace them. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 15: Using Hot Keys
The hot keys are only used in the PC mode. With the hot keys, you can use the PC more conveniently. To enable OSD Guide message to appear, install the OSD3 from [LG Update Center]. Then run [LG Control Center] > [System Settings] > [On Screen Display] tile.
Page 16 Blinking: The system hard disk is accessed or it is in the sleep mode. NOTE The screen standby lamp turns on every time the remote control signal is received. The user can select [Setup] > [General] > [Display Lamp] to enable/ disable it. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 17: Bios Flash
To boot into DOS / 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 18 In Security, in “Secure Boot Configuration," Secure Boot values are right. (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 19: 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 20: Bios Setup
Downgrading from Windows 8 to Windows 7 (SecureBoot Disable) In Windows 8, 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 21: Initial Screen
You can select which drive to search first to load the machine's operating system. Drag the device icon to change the boot order. Exit This menu can be set to an initial value or save your change. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 22 This shows the speed of the memory card. Total Memory This shows size of system memory. SATA 4 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 23: Advanced Menu
When it is Off, the fan does not run at low temperatures. When it is On, the fan always runs. (Default: On) RTC WakeUp from S4 Set when you want to resume using the tool in hibernate mode. (ex : pwrtest.exe) Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 24 (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. Intell® Virtualization Technology Set Intel® Virtualization Technology. Intel® HT Technology Set Intel® HT Technology. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 25: Security Menu
[Protected Signatures] is Disable (Setup Mode) when the Enable (User Mode) can be a Reset. Delete All Secure Boot Keys [Protected Signatures] is Disable (Setup Mode) to create. (in this case, until the Reset to Default Disable Secure Boot is kept) Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 27 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 28: 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 recovery function to recover or restore the system to its initial pre-pur- chase state. CAUTION LG Recovery Center uses the Windows 8 recovery function.
Page 29 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 30 Select [Delete 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 31: 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 32 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 33 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 34: 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 35 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 36 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 37: Symptom-To-Part Index
If the voltage is not correct, remove the power code form AC adapter. 10 seconds later, connect the power code, then measure the output voltage. If the voltage is not correct, change the AC adapter. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 38 To check the battery pack, do the following : Power off the PC. Remove the battery pack and measure the voltage between battery terminals 1(-) and 5(+). See the following figure : Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 39: 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 40: 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 41 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) 1010 Stand Back Cover Push in the plastic ZIG in the furrow of the arrow and separate the cover lifting from the bottom to the upper side. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 44 Removing and replacing a part (FRU) 1020 Hinge Bottom Cover Remove the screw. FRU No. Specification FAB30018405 Screw, M3.0 X L8 Black Slide while pressing the Hook and removes the Hinge Bottom Cover. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 46 Remove the following parts in order before replacing this part. a. Stand Back Cover(1010), b. Hinge Bottom Cover(1020) Remove the 2 cables. Cable Cable After pressing Hook on both sides by ZIG, removes 1 cable. Cable Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 47 Removing and replacing a part (FRU) Remove 4 screws. FRU No. Specification FAB31626901 Screw, M4.0 x L7.0 x D8.3 x H2.5, Silver Remove the Stand. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 48 Removing and replacing a part (FRU) 1040 Stand Bottom Cover After removing 8 screws, remove the Memory Cover. FRU No. Specification 1SZZBA4068C Screw, M2.5 X L5.0 Black Holding a hole, removes Stand Bottom Cover. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 50 Removing and replacing a part (FRU) 1050 Mainboard NOTE Remove the following parts in order before replacing this part . a. Stand Bottom Cover(1040) Remove the tapes. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 51 Removing and replacing a part (FRU) Disconnect the 6 cables, after removing the 5 screws. Cable Cable Cable Cable Cable Cable Cable FRU No. Specification 1SZZBA4068C Screw, M2.5 X L5.0 Black Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 54 Stand Back Cover(1010), b. Hinge Bottom Cover(1020), c. Stand(1030), d. Stand Bottom Cover (1040), e. Mainboard(1050) Remove the 2 screws. FRU No. Specification 1SZZBA4068C Screw, M2.5 X L5.0 Black Remove the DC-Jack Cable. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 55 Remove the following parts in order before replacing this part. a. Stand Back Cover(1010), b. Hinge Bottom Cover(1020), c. Stand(1030), d. Stand Bottom Cover (1040), e. Mainboard(1050) Remove the 30PIN, 16PIN Cable. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 56 Remove the following parts in order before replacing this part. a. Stand Bottom Cover (1040), b. Mainboard(1050) Remove the 4 screws. FRU No. Specification 1SZZBA4068C Screw, M2.5 X L5.0 Black Remove the ODD. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 57 Removing and replacing a part (FRU) Disconnect the cable, after removing the 2 screws. Cable FRU No. Specification 1SZZBA4019J Screw, M2.0 X L3.0 Silver(D4.0, H1.0t) Remove the ODD Bracket. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 58 Stand Bottom Cover (1040), b. Mainboard(1050), c. ODD(1080) Remove the 2 screws. FRU No. Specification 1SZZBA4068C Screw, M2.5 X L5.0 Black After removing 4 screws, remove the HDD Bracket. Cable Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 60 1100 FAN Assembly NOTE Remove the following parts in order before replacing this part. a. Stand Bottom Cover(1040), b. Mainboard(1050) Remove the cable and 4 fixed screws. Cable Remove the FAN Assembly. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 61 Removing and replacing a part (FRU) 1110 Memory NOTE Remove the following parts in order before replacing this part. a. Stand Bottom Cover(1040), b. Mainboard(1050) Disconnect the hooks. HOOK HOOK Remove the Memory. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 62 Remove the following parts in order before replacing this part. a. Stand Bottom Cover(1040), b. Mainboard(1050) Remove the screw. FRU No. Specification 1SZZBA4068C Screw, M2.5 X L5.0 Black Remove the WLAN. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 64 Remove the following parts in order before replacing this part. a. Stand Bottom Cover(1040), b. Mainboard(1050), c. FAN Assembly (1100) It uses screwdriver and it removes the CPU. Remove the CPU. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 65 Stand Back Cover(1010), b. Hinge Bottom Cover(1020), c. Stand(1030) Remove the 2 screws. FRU No. Specification FAB30013616 Screw, M3.0 X L6 Yellow Remove the Display Back Cover by using ZIC. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 67 Remove the following parts in order before replacing this part. a. Stand Back Cover(1010), b. Hinge Bottom Cover(1020), c. Stand(1030), d. Display Back Cover(1140) Remove the 3 Black Tapes. Disconnect the 2 cables. Cable Cable Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 69 Remove the following parts in order before replacing this part. a. Stand Back Cover(1010), b. Hinge Bottom Cover(1020), c. Stand(1030), d. Display Back Cover(1140) Disconnect the 3 cable. Cable Cable Cable Remove the Speaker Cable. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 71 Speaker(1160) Disconnect the 2 cables, after removing the 6 screws. Cable Cable FRU No. Specification FAB30738602 Screw, M2.5 X L4 Silver FAB30013616 Screw, M3.0 X L6 Yellow Remove the Rear Frame. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 72 FRU No. Specification FAB30013616 Screw, M3.0 X L6 Yellow Remove the MTV Board. NOTE Thermal pad is attached in Rear Frame to prevent the calorific when the coaxial cable is working. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 73 Stand Back Cover(1010), b. Hinge Bottom Cover(1020), c. Stand(1030), d. Display Back Cover(1140), f. LCD Cable(1150), g. Speaker(1160), h. RearFrame(1170), i. MTV Board(1180) Remove the 4 screws. FRU No. Specification FAB31626901 Screw, M4.0 x L7.0 x D8.3 x H2.5, Silver Remove the Hinge. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 74 Stand Back Cover(1010), b. Hinge Bottom Cover(1020), c. Stand(1030), d. Display Back Cover(1140), f. LCD Cable(1150), g. Speaker(1160), h. RearFrame(1170) Remove the 7 screws. FRU No. Specification FAB30013616 Screw, M3.0 X L6 Yellow FAB30007504 Screw, M3.0 X L8 Black(tapping) Remove the Bottom Plate. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 75 Stand Back Cover(1010), b. Hinge Bottom Cover(1020), c. Stand(1030), d. Display Back Cover(1140), f. LCD Cable(1150), g. Speaker(1160), h. RearFrame(1170), i. Bottom Plate(1200) Disconnect the cable, after removing the 7 screws. Cable FRU No. Specification FAB30738602 Screw, M2.5 X L4 Silver Remove the BLU Cable. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 78 Stand Back Cover(1010), b. Hinge Bottom Cover(1020), c. Stand(1030), d. Display Back Cover(1140), f. LCD Cable(1150), g. Speaker(1160), h. RearFrame(1170), i. Bottom Plate(1200), j. LCD Assembly(1220) Remove the 2 screws. FRU No. Specification FAB30018105 Screw, M2.0 X L6.0 Black(Tapping) Remove the Webcam. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 79 Speaker(1160), h. RearFrame(1170), i. Bottom Plate(1200), j. LCD Assembly(1220) Remove the Control Board attached in the both-sides tape. CAUTION If you remove the strong force, because control board is bent, Button strength may decrease. Remove the Control Board. Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 81: Part Lists
NHDD03 ABA74448302 HDD Bracket assy R NHDD04 EAD62160301 HDD Cable ODD GA50N 12.7 SATA CDR24X CDW24X DVDR8X NODD01 EAZ61861101 DVDW8X SLOT W/O BEZEL - HITACHI-LG NODD02 ABA74274903 ODD Bracket Assembly for Brazil NODD03 EAD62160201 ODD cable NODD04 MCQ67184701 ODD LED Cushion 3160.HMWG INTEL 802.11ac 433Mbps 1x1 802.11ac...
Page 82 Window8 OS Label ALL Windows 8 Logo ( GML, NLAB07 MEZ64720301 16.077 x 22.501 mm ) NACC01 AFW72949001 Wireless mouse LITE ON Accessory NACC02 AFP73827101 Victory NANO SIZE USB RF DONGLE NACC03 AKB73655828 Remote control - 2D용 (Brazil) Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 83 NSTAND10 NSTAND11 NHEAD06 NHEAD08 NHEAD07 NHEAD10 NHEAD04 NHEAD10 NHEAD09 NMLB01 NHEAD02 NHEAD05 NWEBC01 NWEBC02 NHEAD03 NHEAD11 NHEAD01 NHEAD12 LGE Internal Use Only Copyrightⓒ2014 LG Electronics Co., Ltd.
Page 84 STAND NSTAND06 EAD62160401 Cable, 16pin HDMI NSTAND07 EAD62248501 Cable, DC jack NSTAND08 EAA62793001 Cable antenna (Wireless_Main) NSTAND09 EAA62964901 Cable antenna (Wireless_Aux) NSTAND10 MCK67252401 Cover, Hinge Top NSTAND11 MCK67252501 Cover, Hinge Bottom Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 85 NSTAND04 NSTAND03 NSTAND07 NODD03 NODD02 NODD04 NSTAND05 NODD01 NSTAND09 NHDD04 NHDD01 NHDD03 NSTAND08 NHDD02 NSTAND06 NSTAND01 NSTAND02 LGE Internal Use Only Copyrightⓒ2014 LG Electronics Co., Ltd.
Page 86 NHDD03 ABA74448302 HDD Bracket assy R NHDD04 EAD62160301 HDD Cable ODD GA50N 12.7 SATA CDR24X CDW24X DVDR8X D NODD01 EAZ61861101 VDW8X SLOT W/O BEZEL - HITACHI-LG NODD02 ABA74274903 ODD Bracket Assembly for Brazil NODD03 EAD62160201 ODD cable NODD04 MCQ67184701 ODD LED Cushion...
Page 88 3160.HMWG INTEL 802.11ac 433Mbps 1x1 802.11ac B MiniCard NMINI01 EBM61441201 T Combo INTEL Memory NMRY01 EAN62661601 MEMORY 4G DDR3L-1600MHz - Hynix Thermal NFAN01 EAL61160904 Fan module - GM Module NCPU01 EAN62789702 i5-4200M 2.5GHZ Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...
Page 90 Keyboard Brazil V320 LITE ON Keyboard NKBD02 ACQ86132501 Keyskin Victory LITE ON NACC01 AFW72949001 Wireless mouse LITE ON Accessory NACC02 AFP73827101 Victory NANO SIZE USB RF DONGLE NACC03 AKB73655828 Remote control - 2D (Brazil) Copyrightⓒ2014 LG Electronics Co., Ltd. LGE Internal Use Only...

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