Trouble Shooting; Rf Component - LG S5000 Service Manual

4. TROUBLE SHOOTING

4.1 RF Component

Test Points
SW500
U500
U501
U502
U503
X500
FL500
SW500
U500
Power Amp Module(AWT6171)
RF Main Chip (SI4210)
Inverter
2.85V Regulator
VCTXO, 26MHz Clock
FEM
Mobile Switch
4. TROUBLE SHOOTING
FL500
U503
Figure 4-1
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U501
X500
U502