dynabook PORTEGE X30W-J - Page 62

2 Troubleshooting Procedures
2-20 [CONFIDENTIAL] PORTÉGÉ X30W-J, dynabook V*/VZ*/VC* Series Maintenance Manual (960-941)
2.5.3 Procedure 3 Replacement Check of system board
USB connectors are mounted on the system board directly. So the system board may be faulty.
Disassemble the computer following the steps described in Chapter 4, Replacement
Procedures, and replace the system board with a new one.
System board
CN4800
Type-C connector
CN4850
Type-A connector
USB unit
CN4821
Type-C connector