Checking Gps/Wifi/Bt - LG -E960 Service Manual

4.9 Checking GPS/WIFI/BT

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