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4.6 Receiver no sound
4.7 Vibration problem the same to receiver
4.8 Speaker no sound the same to receiver
4.9 MIC pboblem
Change U0100
FLY SERVICE SUPPORT
Receiver no sound
yes
Upgrade software ok?
yes
Software problem
Change U0100
MIC problem
yes
The MIC appearance
ok?
yes
no
Change MIC OK?
yes
MIC material problem
30
no
Change speaker ok?
no
yes
Speaker problem
no
MIC rubber cover
broken or missing?
yes
Change or get another
new rubber cover
no
MIC soldering ok?
no
Resolder MIC get
solve
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