LG L1150 Service Manual page 88

Triple Buffer (NC7NZ34K8X)
• From DBB, three control signals (VC1, VC2, VC3) are fed into the Triple Buffer
• Triple buffer controls the Ant SW
VCC = 2.85 V,
from LDO(U805)
VC1
RF Transceiver Chip (SI4205_BM)
1) LNA input port of RF Main Chip(Si4205)
• Balanced-type LNA Input
SI4205_BM
4. TROUBLE SHOOTING
VC2
Triple Buffer
VC3
GSM850 LNA Input
GSM1800 LNA Input
GSM1900 LNA Input
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