3. TROUBLE SHOOTING
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3.9 Checking GPS/WIFI/BT
3.9.1 Checking GPS
START
Check ANT1103
Check TP1
R11002 is 1.8v
L11014 is 2.7v
Check TP2
Signal exist?
Remove the foreign substance
inANT1103
ANT 1103 : Ant. Contact
U1 : GPS LNA
FL1105 :SAW Filter
U1500 :WTR2605
U4100 : PM8226
X4100 : Crystal
Yes
No
Check WTR2605
Check U4100
Check X4100
Yes
Yes
No
No