Bt/Wifi Part - LG -H815 Service Manual

3.8 BT/WiFi PART

BT&WIFI
Checking Flow
START
ANT8105, ANT8104
Check the connection
between antenna
and clip
Yes
Check the TP1,TP2
Signal exist?
Yes
Check the TP3,TP4
Signal exist?
Yes
Change MAIN Board.
LGE Internal Use Only
ANTENNA Clean
the connection parts
NO
Check the components
around U5100
NO
Check the components
around U8902
NO
BOTTOM
ANT8104 ANT8105
(signal)
(GND)
`
TP3(5G Rx)
TP2(5G Tx)
33
3. TROUBLE SHOOTING
Image
@JahanIC
BOTTOM
U8902
TP4(2G Rx)
TP1(2G Tx)
U5100
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