LG D690 - Gps;Wifi;Bttroubleshooting

3. TROUBLE SHOOTING
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3.9 GPS/WIFI/BTTroubleshooting
3.9.1 GPS Troubleshooting
START
Check TP1, TP2
TP1 C5104 is 1.8v
TP2 R5101 is 2.8v
Check ANT5102
Check U4100
Remove the foreign substance
inANT5102
Check U5100
ANT5102 : Ant. Contact
U1 : GPS LNA
U5100 :MT6627
U4100 : MT6323
Yes
Yes
Yes
No
No