Trouble Shooting Guide, Standard
4/00021-2/FEA 209 544/19 E 13(29)
4 Audio Problems
4.1 Type of fault
Connect a call from the phone that is to be tested (hereafter called the phone) to a fully
functional phone (hereafter called the reference phone).
Check that the microphone and the earphone of the phone works correctly.
If the phone sounds strange, go to section 4.7.
Connect a hands free unit to the system connector of the phone.
Check the functionality of the hands free by first talking into the reference phone while
listening to the hands free speaker and then talking into the hands free microphone while
listening to the earphone of the reference phone.
If it is only the earphone, of the phone, that has a little or no sound, go to section 4.2.
If neither the hands free speaker nor the earphone of the phone works, send the unit on
according to the local company directives.
If the sensitivity of the microphone is poor (little or no sound in the reference phone), go to
section 4.3.
If neither the hands free microphone nor the microphone of the phone works, send the unit on
according to the local company directives.
If neither the earphone nor the microphone of the examined phone works, send the unit on
according to the local company directives.
If the hands free microphone does not work, go to section 4.4.
If the hands free speaker is out of order, go to section 4.5.
If neither the hands free speaker nor the hands free microphone works, go to section 4.6.
4.2 Earphone out of order
Open the phone and check for liquid damage.
Replace the earphone with one you know is functional. Test the phone again.
If the fault remains, make sure that the X831 and X832 connectors are not mechanically
damaged or incorrectly soldered.
If the fault remains, send the unit on according to the local company directives.
To Next Page
Loading...
Need help?
General
