Toshiba TECRA M9 Maintenance Manual page 107

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2.14 Sound Troubleshooting

Replacement Check

If the speakers do not sound properly, the speaker may be defective or damaged.

Replace it with a new one. If the speakers still do not work properly, go to Check

If the Built in microphone do not sound properly, the Built in microphone may be

defective or damaged. Replace it with a new one. If the Built in microphone still

do not work properly, go to 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.

TECRA M9 Maintenance Manual (960-631)

2 Troubleshooting Procedures

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