LG VX8500 Service Manual page 104

VX8500
Checking Flow
START
Insert the ELA to the handset.
Yes
Does the audio
Profile of the phone change to
the headset mode?
Yes
Insert headse to the ELA
Set the audio part of the test
equipment to echo mode
YES
Can you hear your voice
from the headset?
Yes
4
The headset will
work properly
LG Electronics Inc.
No
Change the headset and
try again.
Can you hear your voice
from the headset?
112
No
1
Set the audio part of the
test equipment to
continuous wave mode
YES
Can you hear the sound
No
from the headset?
YES
3
Headset detect problem
Headset receiving
Path problem
No
2
Headset sending
path problem