Toshiba M505 Manual Do Utilizador

 

The sound function-wiring diagram is shown below: 

 

Any of the connections may be disconnected. Disassemble the computer following the steps 
described in Chapter 4, Replacement Procedures and perform the following checks: 

If the stereo speakers do not work correctly, perform Check 1. 

If the headphone does not work correctly, perform Check 2. 

If the microphones do not work correctly, perform Check 3. 

Check 1 

If the stereo speakers do not work properly, the speaker cable may be 
disconnected. Make sure the speaker cable is firmly connected to CON4101 on 
the Main board. If the stereo speakers are still not functioning properly, go to 
procedure 3. 

Check 2 

If the headphone does not work properly, the headphone cable may be 
disconnected. Make sure the headphone cable is firmly connected to CON4201 on 
the Main board. If the sound function still does not work properly, go to 
procedure 3. 

Check 3 

If the microphones do not work properly, the external microphone cable may be 
disconnected. When using the external microphone, make sure the external 
microphone cable is firmly connected to CON4202

 

on the Main board. If the 

microphones are still not functioning properly, go to procedure 3.