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3.7.2 Checking GPS
Check ANT1103
R11002 is 1.8v
L11014 is 2.7v
Check WTR2605
LGE Internal Use Only
START
Yes
Check TP1
Yes
Check TP2
Signal exist?
Yes
ANT 1103 : Ant. Contact
U1 : GPS LNA
FL1105 : SAW Filter
U1500 : WTR2605
U4100 : PM8226
X4100 : Crystal
No
Remove the foreign substance inANT1103
No
Check U4100
No
Check X4100
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3. TROUBLE SHOOTING
Only for training and service purposes
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Troubleshooting
