Toshiba Qosmio X300 Maintenance Manual page 84

2 Troubleshooting Procedures
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Figure 2-20 SPDIF troubleshooting process
The system board may be the reason of a SPDIF fault. The connector of system board may be
damaged. To determine if the computer's SPDIF is functioning properly, perform the
following procedures. Figure 2-14 outlines the process. Start with Procedure 1 and continue
with the other procedures as instructed.
Procedure 1: windows appolication test
Procedure 2: Connector and replacement check
Procedure 1 windows application test
Use windows application to check device can work fine or not.
If tests and diagnostics result abnormal go to Procedure 2.. If an error is not located, the
SPDIF is functioning properly.
Procedure 2 Connector and replacement check
The system board may be disconnected or damaged. Disassemble the computer following the
steps described in Chapter 4, Replacement Procedures, and perform the following checks.
Check 1 the system board may be damaged. Replace it with a new one following the
instructions in Chapter 4.
QOSMIO X300 Series Maintenance Manual
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