Chapter 2 Troubleshooting Procedures
Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
34
2.15 3G Troubleshooting
To check if the computer’s 3G is malfunctioning or not, follow the troubleshooting procedure
below as instructed.
Procedure 1
Connector Check and Replacement Check
The
3G
module is connected to system board. If
3G
malfunctions, its connection is defective or
Antenna
and system board may be faulty.
Check 1
Make sure
3G
is firmly connected to the connector CN
14
(
system board). If the
problem still occurs, perform Check 2.
Check 2
Antenna
may be faulty. Replace it with new one. If the problem s till occurs,
perform Check 3.
Check 3
3G
card may be faulty. Replace it with a new one following the steps in Chapter 4.
If the problem still occurs, perform Check 4.
Check 4
System board may be faulty. Replace it with a new one following the instruction in
Chapter 4.