dynabook PORTEGE X40-G User manual

March 11th, 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 Dynabook
Portege X40-G 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).
All of the instructions provided within this letter can be reviewed in greater detail within the
Portege X40-G Series Maintenance Manual.
Tools Required
In order to remove internal components of the Portege X40-G some tools from the list below
may be required located in Chapter 4 Replacement Procedures of the Dynabook
Maintenance Manual
Table of Contents
• (Page 2-3) Removing the Lithium Ion Battery (Main Battery, No
coin cell battery)
• (Page 4-5) Removing the SSD
• (Page 6-7) LCD, Printed Circuit / Wiring Boards (PCB/ PWB system
board)
• (Page 7) AC Adapter and external provide cable

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 4.5 of the
Portege X40-G Maintenance Manual. Some tools are required in order to remove this component.
Once removed, these components should be recycled as per local requirements.
To remove the battery, the base assembly must be removed first:

Figure 4-5 Removing the Base Assembly (2)
4.12 Battery pack
4.12.1 Removing the Battery pack
To remove the battery pack, follow the steps below and refer to Figure 4-6.
1. Disconnect the BATTERY HARNESS from the connector CN8021 on the SYSTEM board.
2. Remove the following screws and the battery pack.
Base assembly
Cover Assembly
Latch
Take care not to short circuit the terminals when removing
the battery pack. Similarly, do not drop, knock, scratch,
disassemble, twist, or bendthe battery pack.

2. Removing the SSD
To remove the SSD the mainboard must be removed first.
Please refer to the information listed in section 4.22 of the Portege X40-G 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. Once removed, these components should be recycled as per local requirements.

1. Remove the following screw and disconnect the SSD from the connector CN1910 on the
SYSTEM board.
Figure 4-32 Removing the SSD
SSD
CN1910
S2x3BT

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.
Replacement Procedures

10
CUSHION M
11
F2.5 x 5BT
12
6 2
4.11 Cover Assembly and Base Assembly
4.11.1 Removing the Cover Assembly and Base Assembly
To remove the Base Assembly, follow the steps below and refer to Figure 4-
4 to Figure 4-5.
1. Close the display panel and turn the computer face down.
2. Remove the BOTTOM CUSHION M on the center of the Base
Assembly.
3. Remove the following screws securing the Cover Assembly and the
Base Assembly.
Figure 4-4 Removing the Base Assembly (1)
4. Separate the Base Assembly and Cover Assembly while releasing
the latch.

Base assembly
Cover Assembly
Latch
When securing the Base Assembly, be sure to drive the screws in theorder of the
number on Figure 4-4.
Take care not to short circuit the terminals when removing the battery pack.
Similarly, do not drop, knock, scratch, disassemble, twist, or bendthe battery pack.
Figure 4-5 Removing the Base Assembly (2)
4.11.2 Installing the Base Assembly
To install the Base Assembly, follow the steps below and refer to Figure 4-4
to Figure 4-5.
1. Set the Cover Assembly on the Base Assembly while securing the
latch.
2. Secure the Cover Assembly and Base Assembly with the screws.
3. Stick a new BOTTOM CUSHION M to the Base Assembly.
4. Turn the computer, and open the display.
4.12 Battery pack
4.12.1 Removing the Battery pack
To remove the battery pack, follow the steps below and refer to Figure 4-6.
1. Disconnect the BATTERY HARNESS from the connector CN8021 on
the SYSTEM board.
2. Remove the following screws and the battery pack.

S2x3CT
Dispose of the used/removed battery pack in accordance with the laws and
ordinances of your local authority.
The lithium ion battery pack may explode if not fitted, operated, handled, ordisposed
correctly. 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 cleanwith a dry
cloth.
Figure 4-6 Releasing the battery pack
4.12.2 Installing the Battery pack
To install the battery pack, follow the steps below and refer to Figure 4-6.
1. Set the battery pack to the COVER ASSY and secure it with the screws.
2. Connect the BATTERY HARNESS to the connector CN8021 on the
SYSTEM board.
4.13 Memory module
4.13.1 Removing the Memory module
To remove the memory module, follow the steps as detailed below:

1. Open the left and right latches outside and remove the memory
module(s). Figure 4-7 Removing the memory module(s)
1. Latches 2. Memorymodule
4.13.2 Installing the Memory module
To install a memory module, follow the steps as detailed below:
1. Align the notch of the memory module with that of the memory slot and
gently insert the module into the slot at about a 30 degree angle before
holding it down until the latches on either side snap into place.
Do not touch the connectors on the memory module or on the computer.Dust or
stains on the connectors may cause memory access problems.
Never press hard or bend the memory module.

After installing the memory module, make sure that the memory module issecured
with the left and right latches.
Figure 4-8 Seating the memory module
4.14 Smart Card slot
4.14.1 Removing the Smart Card slot
To remove the Smart Card slot unit, follow the steps below and refer to
Figure 4-9 to Figure 4-10.
1. Disconnect the Smart Card slot FFC from the connector CN2170 on
the system board.
2. Remove the following screw, and then slide and lift the Smart Card slot
unit shown in the following figure to remove the Smart Card slot.

CN
S2x2BT
FFC
2170
Smart Card slot
Smart Card slot
Figure 4-9 Removing the Smart Card slot (1)
3. Disconnect the Smart Card slot FFC from the connector on the Smart
Card slot.
Figure 4-10 Removing the Smart Card slot (2)
4.14.2 Installing the Smart Card slot
To install the Smart Card slot, follow the steps below and refer to Figure 4-9
to Figure 4-10.
1. Connect the Smart Card slot FFC to the connector on the Smart Card
slot.
2. Set the Smart Card slot in place and secure it the with the screw.
3. Connect the Smart Card slot FFC to the connector CN2170 on the
system board.

2
S2x2BT
4.15 LED board (FUR3LE*)
4.15.1 Removing the LED board (FUR3LE*)
To remove the board, follow the steps below and refer to Figure 4-11.
1. Disconnect the LED board (FUR3LE*) FFC from the connector
CN9570 on the System Board (FUR3SY*).
2. Remove the following screws securing the LED board (FUR3LE*) and
remove the board.
Figure 4-11 Removing the LED board
3. Disconnect the LED board (FUR3LE*) FFC from the connector
CN9571 on the LED board (FUR3LE*).
4.15.2 Installing the LED board (FUR3LE*)
To install the LED board, follow the steps below and refer to Figure 4-11.
1. Connect the LED board (FUR3LE*) FFC to the connector CN9571 on
the LED board (FUR3LE*).
2. Set the LED board (FUR3LE*) in place and secure it with the screw.
3. Connect the LED board (FUR3LE*) FFC from the connector CN9570
on the system board.

int
dFFC
Fingerpr
FFC
ClickPa
PC
Accup
Dual
oint FFC
button F
CN9560
CN9550
4.16 Speaker
4.16.1 Removing the Speaker
To remove the Speaker, follow the steps below and refer to Figure 4-12 to
Figure 4-16.
1. Disconnect the Click Pad FFC and Fingerprint FFC from the
connector on the Click Pad and the connector CN9560 and CN9550 on
the System Board.
Figure4-12Removing the Speaker (1)
2. Disconnect the Accupoint FFC and Dual button FPC from the
connector on the Click Pad.
Figure4-13Removing the Speaker (2)
3. Peel off the INSU KB FPC.

INSU KB FPC
CN6000
Speaker harness
Figure4-14Removing the Speaker (3)
4. Disconnect the Speaker harness from the connector CN6000 on the
system board.
5. Open the INSU and stick tape. Release the Speaker harness from the
guides.
Figure4-15Removing the Speaker (4)
6. Remove the following screws and the Speaker from the slot on the
Cover Assembly.

SH2x2.5CT
Speaker
Speaker
CN6000
Speaker harness
Figure4-16Removing the Speaker (5)
4.16.2 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. Arrange the Speaker harness under the guides as shown below, and
fix it with the new INSU.
3. Connect the Speaker harness to the connector CN6000 on the system
board.
4. Arrange the rest of Speaker harness as shown below, and fix it with
new stick stapes.
Figure4-17 Arranging the Speaker harness
5. Stick a new INSU KB FPC to the Cover Assembly.
6. Connect the Accupoint FFC and Dual button FPC to the connector on
the Click Pad.

S2x2BT
S2x2BT
7. Connect the Click Pad FFC and Fingerprint FFC to the connector on
the Click Pad and the connector CN9560 and CN9550 on the System
Board.
4.17 Dual button unit
4.17.1 Removing the dual button unit
To remove the dual button unit, follow the steps below and refer to Figure 4-
18 to Figure 4-20.
1. Remove the following screws and then remove the dual button plat.
Figure 4-18 Removing the dual button (1)
2. Remove the following screws and then release the Dual button FPC
from the dual button plat.
Figure 4-19 Removing the dual button (2)
3. Remove the Dual button from the Cover Assembly.

Dual button
Figure 4-20 Removing the dual button (3)
4.17.2 Installing the dual button unit
To install the dual button unit, follow the steps below and refer to Figure 4-
18 to Figure 4-20.
1. Set the Dual button to the Cover Assembly.
2. Set the Dual button FPC to the dual button plat and secure it with the
screws.
3. Set the Dual button plat to the Cover Assembly and secure it with the
screws.
4.18 3G module/USB board
4.18.1 Removing the 3G module/USB board
To remove the 3G module/USB board, follow the steps below and refer to
Figure 4-21 to Figure 4-24.
1. Peel off the INSU SQUARE.
2. Disconnect the 3G ANTENNA cables from the connectors on the 3G
MODULE. (red tube from “MAIN”)

S2x3BT
3G MODULE
CN2610
Figure 4-21 Removing the 3G module (1)
3. Remove the following screw and disconnect the 3G MODULE from the
connector CN2610 on the USB board (FUR3CN*).
Figure 4-22 Removing the 3G module (2)
4. Disconnect the FPC (FMR3YC*) from the connector CN9510 on the
SYSTEM board and CN9800 on the USB board.