Antennas' Connection Check; Procedure 3 Replacement Check - Toshiba Tecra A2-S316 Maintenance Manual

2.14 Wireless LAN Troubleshooting
Procedure 2
The wireless LAN function-wiring diagram is shown below:
Any of the connections may be disconnected. Disassemble the computer following the
steps described in Chapter 4, Replacement Procedures, and perform the following checks:
Check 1 Make sure the wireless communication switch is "On".
If the switch is "Off", turn it "On". If there is still an error, perform Check 2.
Check 2 Make sure the Mini PCI card is firmly connected to the PJ2500 on the system
board.
If the connector is disconnected, connect it firmly and perform Procedure 1. If
the Wireless LAN is still not functioning properly, perform Check 3.
Check 3 Make sure the wireless LAN antenna cables (black and white) are firmly
connected to the Mini PCI card.
If the wireless LAN antenna cables are disconnected, connect them firmly and
perform Procedure 1. If the wireless LAN is still not functioning properly, go to
Procedure 3.
Procedure 3
The Mini PCI card and the system board are connected. Any of these components may be
damaged. Refer to Chapter 4, Replacement Procedures, for instructions on how to
disassemble the computer and the n perform the following checks:
Check 1 The Mini PCI card may be defective or damaged. Replace the Mini PCI card
with a new one following the instructions in Chapter 4, Replacement
Procedures. If the problem still exists, perform Check 2.
Check2 Replace the system board with a new one following the instructions in Chapter
4, Replacement Procedures and test the display again.
Satellite A50/TECRA A2 Maintenance Manual (960-478)

Antennas' Connection Check

Replacement Check
2 Troubleshooting Procedures
2-49