Maintenance Manual (960-948)
2-19
Troubleshooting Procedures
System board may be faulty. Replace it with a new one following
the instruction in Chapter 4,
2.11 Wireless LAN + Bluetooth Troubleshooting
To check if the computer’s Wireless LAN + Bluetooth module is
malfunctioning or not, follow the troubleshooting procedures below as
instructed.
Procedure 1: Module/Antennas’ Check
Procedure 2: Connection Check
Procedure 3: Replacement Check
2.11.1 Procedure 1 Module/Antennas’ Check
Check 1
This procedure checks if the Wireless LAN and Bluetooth is
working properly by using the function of Windows. Refer to
Chapter 3,
for more information.
If the computer passes the test, the function is correctly working.
If the computer does not pass the test, perform Procedure 2.
2.11.2 Procedure 2 Connection Check
The wireless LAN/Bluetooth module’s wiring diagram is shown below:
Any of the connections may be defective. Disassemble the computer
following the steps described in Chapter 4,
, and
perform the following checks:
Check 1
Make sure Wireless LAN/Bluetooth Combo module is firmly
connected to the IC2630 on the system board. If the connection
is loose, connect it firmly and perform Procedure 1. If the
problem still occurs, perform Check 2.
Check 2
Make sure that antenna cables for wireless function (black and
white) are firmly connected to the connectors on the module. If
the cables are not connected properly, connect them firmly and
perform Procedure 1. If the problem still occurs, go to the
Procedure 3.
<System board>
IC2630
black
white
AUX
MAIN
Antennas
antenna cable
WLAN/BT module
