Toshiba M70 manual Speaker Troubleshooting Troubleshooting Procedures

2.9 Speaker Troubleshooting 2 Troubleshooting Procedures

2.9Speaker Troubleshooting

START

Perform audio source test

(Procedure 1)

Do all sources have

Speakers are not faulty. Continue

same problem?

Yes

No

troubleshooting - see Figure 2-1

Perform earphone test

(Procedure 2)

Do earphones

function correctly?

No

Yes

Perform connection check

(Procedure 3)

Perform replacement

check

(Procedure 4)

Replace system board

END

Figure 2-8 Speaker troubleshooting process

Satellite M70 /Satellite Pro M70 Series Maintenance Manual [CONFIDENTIAL] 2-23