Toshiba 400CS User Manual page 35

Procedure 5 Replacement Check
The system board or the sound board may be damaged. Disassemble the 400 series following
the steps described in chapter 4, Replacement Procedures, and perform the following checks:
Check 1. Replace the system board with a new one. Refer to chapter 4 for instructions on
how to remove and replace the system board.
Check 2. Replace the sound board with a new one. Refer to chapter 4 for instructions on
how to remove and replace the sound board.
400 Series
2-15