Toshiba 960-809 manual Procedure 3 Replacement Check

Troubleshooting Procedures

Procedure 3 Replacement Check

If headphone does not work properly, perform check 1.

If external microphone does not work properly, perform check 2.

If speaker does not work properly, perform check 3.

If internal microphone does not work properly, perform check 4.

Check 1 Headphone may be faulty. Replace it with a new one following the steps in Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 5.

Check 2 External microphone may be faulty. Replace it with a new one following the steps in Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 5

Check 3 Speaker may be faulty. Replace it with a new one following the steps in Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 5

Check 4 Internal microphone may be faulty. Replace it with a new one following the steps in Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 5

Check 5 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures.

2-62 [CONFIDENTIAL] PORTEGE M780 Maintenance Manual (960-809)