Toshiba ProT1!0 User Manual

Page of 279
Chapter 2 Troubleshooting Procedures  
 
2.15 3G Troubleshooting 
To check if the computer’s 3G is malfunctioning or not, follow the troubleshooting procedure 
below as instructed. 
Procedur
 
connection is defective 
nnector CN
21 (system board). If the 
e 1 
Connector Check and Replacement Check
The 
3G module is connected to system board. If 3G malfunctions, its 
or 
Antenna and system board may be faulty. 
Check 1  Make sure 
3G is firmly connected to the co
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. 
 
 
 
 
 
 
Satellite T110 / Satellite Pro T110 / PORTEGE T110 Maintenance Manual (960-Q08)        
  
36