LG LG-E960 - Checking GPS;WIFI;BT

4. TROUBLE SHOOTING
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Only for training and service purposes
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4.9 Checking GPS/WIFI/BT
4.9.1 Checking GPS
START
Check ANT1204, ANT1205
Remove the foreign substance
in ANT1204
No
Yes
Yes
Yes
Check WTR1605L
Yes
Check TP1
R1200 is 1.4v
L1210 is 2.7v
Check TP2
Signal exist?
Check U15001
Check X15001
No
No
ANT 1204 : Ant. Contact
ANT1205 : Ant. Contact
U1200 : GPS LNA
FL1200 : Filter
U12001 : WTR1605L
U15001 : PM8018
X15001 : Crystal