LG LG-D618 - Utilities; Voice Search and Downloads

3. TROUBLE SHOOTING
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Only for training and service purposes
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START
Check ANT1103
Check TP1
R1103 is 1.8v
L1118 is 2.7v
Check TP2
Signal exist?
Remove the foreign substance in ANT1103
ANT 1103 : Ant. Contact
U1102 : GPS LNA
FL1105 : SAW Filter
U1500 : WTR2605
U4100 : PM8226
X4100 : Crystal
Yes
No
Check WTR2605
Check U4100
Check X4100
Yes
Yes
No
No
3.7.2 Checking GPS