Table of Contents
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Checking Flow
START
Insert the headset to the handset.
Yes
Does the audio
Profile of the phone change to
the headset mode?
Yes
Set the audio part of the test
equipment to echo mode
Can you hear your voice
from the headset?
Yes
4
The headset will
work properly
Headset receiving path problem
2
Level of C115, C116
is about 1.2V ?
Yes
Check soldering of
Pin4,5 of CON402
Yes
Change
main board
No
Change the headset and
try again.
Can you hear your voice
from the headset?
No
Download
S/W
No
Re-soldering of
Pin4,5 of CON402
No
Set the audio part of the
test equipment to
continuous wave mode
Can you hear the sound
from the headset?
No
Yes
3
Headset detect problem
1
Headset receiving
Path problem
Yes
No
2
Headset sending
path problem
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