Toshiba Satellite P775 Series - 2.9 Speaker;Headphone Troubleshooting

2 Troubleshooting Procedures
2.9 Speaker/Headphone Troubleshooting
START
Do all sources have
same problem?
END
Perform earphone test
(Procedure 2)
Do earphones
function correctly?
Perform connection check
(Procedure 3)
Perform replacement
check
(Procedure 4)
Perform audio source test
(Procedure 1)
No
Yes
Yes
Replace system board
Speakers are not
faulty. Continue
troubleshooting -
see Figure 2-1
No
Figure 2-8 Speaker troubleshooting process
Satellite P770/P775 Series Maintenance Manual
25