dynabook TECRA A40-J Series Maintenance Manual

Maintenance Manual (960-945) 4-26
Replacement Procedures
4.22 3G antennas
4.22.1 Removing the 3G antennas
To remove the 3G antennas, follow the steps below.
1. Disconnect the SAR harness from the connector CN2650 on the USB
board (FMERLT*).
2. Open the stick tapes. Release the 3G antenna cables and SAR harness
from the guides on the Cover Assembly.
Figure 4-29 Removing the 3G antennas (1)
3. Peel off the 3G antennas from the Cover Assembly.
Figure 4-30 Removing the 3G antennas (2)
AR harness
A
SAR Harness
ca
enna ca
ca
ca
an
3
b
b
b
3G antenna cable
enna ca
an
b
3
b
3G antenna cable
1
2
CN26
CN2650
antenna
3G antenna (Main)
3G antenna
(Aux)
Do not reuse the removed 3G antennas. Be sure to use new 3G antenna.

dynabook TECRA A40-J Series Specifications

General

Operating System	Windows 10 Pro
Battery Life	Up to 10 hours
Graphics	Intel Iris Xe Graphics
Bluetooth	Bluetooth 5.1
Processor	Intel Core i5-1135G7 or i7-1165G7
Display	14.0" FHD (1920 x 1080) Anti-Glare
RAM	8GB/16GB DDR4
Storage	256GB/512GB SSD
Wireless	Intel Wi-Fi 6 AX201
Ports	2 x USB 3.2 Type-A, 1 x USB 3.2 Type-C, HDMI, Ethernet, MicroSD card slot
Security	Fingerprint Reader, TPM 2.0
Webcam	HD Webcam