dynabook Portege X40L-K Series Manual
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dynabook Portege X40L-K Series Manual

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March 11
, 2022
th
Dynabook Laptop Components Classified as Requiring Selective Treatment
Dynabook would like to communicate the method of identifying and removing components contained in
Dynabook notebook products, including but not limited to the
treatment based on the European WEEE Directive, Directive 2012/19/EU of the European Parliament and of
the Council on waste electrical and electronic equipment (WEEE).
All of the instructions provided within this letter can be reviewed in greater detail within the
Portege X40L-K
Series Maintenance Manual.
Tools Required
In order to remove internal components of the
required located in Chapter 4 Replacement Procedures of the Dynabook Maintenance Manual
For your safety and the safety of the people around you, it is important that you use Electrostatic
Discharge (ESD) equipment. Correctly utilizing of the equipment increases the percentage of
successful repairs and saves on the cost of damaged or destroyed parts. The following
equipment is required for disassembly and assembly.
One Philips screwdriver with type 0 bit (for S-THIN HEAD screws)
■
One Philips screwdriver with type 1 bit (for screws other than above)
■
One flat-blade screwdriver (for removing the CPU)
■
Tweezers (for lifting screws)
■
ESD mats (lay on work table or floor)
■
An ESD wrist strap and heel grounder
■
Anti-static carpet or flooring
■
Air-ionizers in highly static sensitive areas
■
Antenna coaxial cable disconnector
■
Special syringe (for applying grease)
■
Table of Contents
• (Page 2-4) Removing the Lithium Ion Battery (Main Battery, No coin cell battery)
• (Page 5) Removing the SSD
• (Page 6-31) LCD, Printed Circuit / Wiring Boards (PCB/ PWB system board)
• (Page 32-33) AC Adapter and external provide cable
Portege X40L-K
Portege X40L-K
some tools from the list below may be
model, that requires selective

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Summary of Contents for dynabook Portege X40L-K Series

  • Page 1 March 11 , 2022 Dynabook Laptop Components Classified as Requiring Selective Treatment Dynabook would like to communicate the method of identifying and removing components contained in Dynabook notebook products, including but not limited to the Portege X40L-K model, that requires selective treatment based on the European WEEE Directive, Directive 2012/19/EU of the European Parliament and of the Council on waste electrical and electronic equipment (WEEE).

  • Page 2: Removing The Cover Assembly And Base Assembly

    1. Removing the Lithium Ion Battery (Main Battery, No coin cell battery) Please refer to the information below for instructions regarding the identification and removal of the lithium ion battery. Further maintenance instructions can be found in section 4.10 of the Portege X40L-K Maintenance Manual.
  • Page 3 Figure 4-4 Removing the Base Assembly (2) 1. Turn the computer again and separate the Base Assembly and Cover Assembly as shown in the figure below. Figure 4-5 Removing the Base Assembly (3) Base Assembly Latch Assembly...

  • Page 4: Removing The Battery Pack

    4.11.1 Removing the Battery pack To remove the battery pack, follow the steps below. Take care not to short circuit the terminals when removing the battery pack. Similarly, do not drop, knock, scratch, disassemble, twist, or bend the battery pack. 1.

  • Page 5: Removing The Ssd

    Removing the SSD To remove the SSD the mainboard must be removed first. Please refer to the information listed in section 4.15 of the Portege X40L-K Series Maintenance Manual to check how the mainboard is removed. Please refer to the information below for the removal of the SSD. One Philips screwdriver with type 1 bit will be required to remove the screws indicated in the locations below.
  • Page 6 3. Removing the LCD and Printed Circuit / Wiring Boards Beside the LCD and the main PCB, there are further small PCBs and components which are in the scope of the WEEE Directive. The removal of these components is described in detail in the chapter 4 of the associated maintenance manual.

  • Page 7: Cover Assembly And Base Assembly

    4.10 Cover Assembly and Base Assembly 4.10.1 Removing the Cover Assembly and Base Assembly To remove the Base Assembly, follow the steps below. 1. Close the display panel and turn the computer face down. 2. Remove the following screws securing the Cover Assembly and the Base Assembly.
  • Page 8 Figure 4-4 Removing the Base Assembly (2) 4. Turn the computer again and separate the Base Assembly and Cover Assembly as shown in the figure below. Figure 4-5 Removing the Base Assembly (3) Base Assembly Latch Assembly...

  • Page 9: Battery Pack

    4.10.2 Installing the Base Assembly To install the Base Assembly, follow the steps below. 1. Set the Cover Assembly on the Base Assembly while securing the latch. 2. Secure the Cover Assembly and Base Assembly with the screws. Do not reuse the removed screws. Be sure to use new screws. 3.

  • Page 10: Installing The Battery Pack

    Dispose always the used battery pack in accordance with the laws and ordinances of your local authority. Use only the batteries approved by Dynabook. Check the battery’s terminals visually. If they are dirty, wipe them clean with a dry cloth.

  • Page 11: Removing The Fan

    To avoid damage, always hold the SSD only by its sides. To prevent the SSD from being distorted when installing the SSD pack into the computer, do not press the center of the SSD pack. Always hold the SSD pack by its sides. 1.

  • Page 12: Removing The Fin

    Figure 4-9 Installing the Fan LCD harness CN5390 4.14 Fin 4.14.1 Removing the Fin To remove the Fin, follow the steps below. 1. Remove the following screws and then the Fin.

  • Page 13: System Board

    Figure 4-10 Removing the Fin S2X2.3CT 4.14.2 Installing the Fin To install the Fin, follow the steps below. 1. Set the Fin in place and secure it with the screws. When installing the Fin, be sure to install the screws in the order of the number marked on the Fin.

  • Page 14: Removing The System Board

    4.15.1 Removing the System board To remove the system board, follow the steps below. 1. Disconnect the Keyboard FPC,Click Pad FFC, Keyboard Backlight FPC, Speaker harness from the System Board. Figure 4-11 Removing the system board (1) Keyboard FPC Keyboard Backlight FPC Click Pad FFC Speaker harness 2.

  • Page 15: Installing The System Board

    4.15.2 Installing the System board To install the system board, follow the steps below. 1. Set the system board in place. 2. Secure the system board with the screws. 3. Connect the Keyboard FPC, Click Pad FFC, Keyboard Backlight FPC, Speaker harness, Fingerprint FPC to the System Board. 4.
  • Page 16 When replacing the system board with a new one, stick six pieces of GUM CHUSION on the system board in place. GUM CUSHION GUM CUSHION GUM CUSHION When replacing the system board with a new one, stick a RUBBER HLD HNS on the system board in place.
  • Page 17 4.16 Click pad 4.16.1 Removing the Click pad To remove the click pad, follow the steps below. 1. Disconnect the Click Pad FFC from the connector on the Click Pad. 2. Remove the following screws, and then lift the plate shown in the following figure to remove the Click pad.
  • Page 18 Figure 4-14 Installing the Click pad (1) S2x2.5BT BRACKET C PAD ASSY 3. Stick a new Click pad to the Cover Assembly. Figure 4-15 Installing the Click pad (2) 4. Stick a new GASKET TAPE to the Click pad.

  • Page 19: Removing The Speaker

    Figure 4-16 Installing the Click pad (3) GASKET TAPE 5. Connect the Click Pad FFC to the connector on the Click Pad and the connector CN9510 on the System Board. 4.17 Speaker 4.17.1 Removing the Speaker To remove the Speaker, follow the steps below. 1.

  • Page 20: Installing The Speaker

    Figure 4-17 Removing the Speaker S2x3CT INSU Speaker harness stick tape 4.17.2 Installing the Speaker To install the Speaker, follow the steps below. 1. Set the speakers to the slots of the Cover Assembly and secure it with the screws. 2.
  • Page 21 4.18 Power button & Fingerprint sensor 4.18.1 Removing the Power button & Fingerprint sensor To remove the Power button & Fingerprint sensor, follow the steps below. 1. Remove the Power button & Fingerprint sensor from the Cover Assembly as shown in below figure. Figure 4-18 Removing the Power button &...

  • Page 22: Removing The Keyboard

    Figure 4-20 Installing the Power button & Fingerprint sensor (2) FP FPC 30° 2. (For Fingerprint model) Peel off the separator on the FP FPC and then stick to the INSU KB. Figure 4-21 Installing the Power button & Fingerprint sensor (3) 4.19 Keyboard 4.19.1 Removing the Keyboard To remove the keyboard, follow the steps below.
  • Page 23 As the keytop may fall out, when handling the keyboard, always hold it by the frame and do not touch the key top. 1. Peel off the INSU KB. Figure 4-22 Removing the keyboard (1) INSU KB 2. Remove the following screws and then keyboard. Figure 4-23 Removing the keyboard (2) S1.2×1.2CT...

  • Page 24: Installing The Keyboard

    4.19.2 Installing the Keyboard To install the keyboard, follow the steps below. 1. Align the locating pins and set the keyboard to the Cover Assembly in place. Figure 4-24 Installing the keyboard (1) Keyboard Locating Pin 2. Secure keyboard with the following screws. Be sure to secure the screws follow the arrow order on below figure.
  • Page 25 The Wireless LAN card cannot be removed, please replace it with a new System Board. 4.20.2 Removing the W-LAN antenna To remove the wireless antenna, follow the steps below. 1. Release the following screws and separate the LCD Assembly and Cover Assembly.

  • Page 26: Installing The W-Lan Antenna

    2. Remove the LCD mask from the LCD Cover Assembly and then Remove hinge cap. 3. Peel off the wireless LAN antennas from the LCD cover. Figure 4-27 Removing the W-LAN antenna (2) LCD Mask Assy Hinge cap Wireless Antennas 4.20.3 Installing the W-LAN antenna To install the W-LAN antenna, follow the steps below.
  • Page 27 Figure 4-28 Installing the W-LAN antenna (1) 3. Set the hinge cap while engaging the latches. 4. Peel off the separator on the LCD mask and then set the LCD mask on the LCD cover. 5. Arrange the Wireless antenna cables in place and secure it with RUBBER HLD.

  • Page 28: Lcd Assembly

    4.21 LCD Assembly 4.21.1 Removing the LCD unit To remove the LCD unit, follow the steps below. Grasp the bound & detach tapes and pull out the tapes slowly and parallelly from the LCD cover. Figure 4-30 Removing the LCD unit (1) Bound &...
  • Page 29 When connect the LCD harness, make sure to connect the right and left side at the same time as shown in the figure below. 2. Remove the Mylar from the LCD cover first and then stick 4 pieces of bound & detach tapes referring to the marking line on the LCD cover. Figure 4-31 Installing the LCD unit (1) Bound &...

  • Page 30: Camera Module

    Figure 4-32 Installing the LCD unit (2) Marking line 4. Arrange the LCD harness under the guides of the LCD cover. Figure 4-33 Installing the LCD unit (3) 4.22 Camera module 4.22.1 Removing the Camera module To remove the camera module, follow the steps below. 1.

  • Page 31: Installing The Camera Module

    Figure 4-34 Removing the camera module (1) S1.4X2BT Plate Camera Shutter Camera module Camera FPC Do not reuse the removed camera module. Be sure to use new camera module. 4.22.2 Installing the Camera module To install the camera module, follow the steps below. 1.
  • Page 32 AC Adapter, External cables provided with the AC adapter and USB cables The AC adapter as well as all external cables provided with the notebook including the AC adapter cables and USB cables should be segregated and sent for shredding. The following components contained within the AC adapter potentially contain hazardous substances and require special handling: Printed Circuit Board >10 cm...
  • Page 33 Conventional type AC adapter AC Adapter with casing removed AC adapter printed circuit board AC adapter capacitor...

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