2 Troubleshooting Procedures 2.14 Sound Troubleshooting
2-60 [CONFIDENTIAL] PORTÉGÉ M500 Maintenance Manual (960-559)
Procedure 3 Replacement Check
Check 1 If the stereo speakers do not sound properly, the right or left speaker may be
defective or damaged. Replace it with a new one. If the stereo speakers still do not
work properly, go to Check 3.
Check 2 If the internal microphones do not work properly, the microphone may be
defective or damaged. Replace it with a new one. If the microphone still does not
work properly, go to Check 3.
Check 3 If the headphone or external microphone does not sound properly, the system
board may be defective or damaged. Replace the system board with a new one.