Toshiba Satellite SERIES Maintenance Manual page 111

2Troubleshooting Procedures
The system board may be the reason of a Sleep & Play music fault. The system board may be
damaged. To determine if the computer's Sleep & Play music is functioning properly,
perform the following procedures. Figure 2-25 outlines the process. Start with Procedure 1
and continue with the other procedures as instructed.
Procedure 1
Test Sleep & Play music function with Audio loopback line and Multimedia sound system
with line in and line out port, check the device can work fine or not.
If tests and diagnostics result abnormal go to Procedure 2. If an error is not located, the Sleep
& Play music functioning is properly.
Procedure 2
Disassemble the computer following the steps described in Chapter 4, Replacement
Procedures, and perform the following checks.
Check 1
Check 2
SatelliteA660/ProA660 Series Maintenance Manual
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Procedure 1: windows application test
Procedure 2: Replacement check
windows application test
Replacement check
Make sure that Sleep & Charge test operation is correct, go to Check 2.
The system board may be damaged. Replace it with a new one following the
instructions in Chapter 4.
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