Toshiba Satellite A665 Series Maintenance Manual page 80

2Troubleshooting Procedures
Figure 2-23 outlines the process. Start with Procedure 1 and continue with the other
procedures as instructed.
Procedure 1: Windows Application test
Procedure 2: Connector and replacement check
Procedure 1 Windows Application test
Play MP3 in windows, use remote control to 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 CIR
module functioning is properly.
Procedure 2 Connector and replacement check
The CIR 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 Make sure that CIR operation is correct, go to Check 2.
Check 2 The system board may be damaged. Replace it with a new one following the
instructions in Chapter 4.
Satellite A660/A665 Series Maintenance Manual 57