Block Diagram - LG KT520 Service Manual

6. BLOCK DIAGRAM

GSM & WCDMA RF Block
Antenna
GSM PAM with FEM
U101
Test Conn.
SW101
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Only for training and service purposes
Duplexer
DCDC
FL203
U202
Isolator
IS201
UMTS PAM
Crystal -26M
X101
Figure 6-1. RF Block Diagram
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6. BLOCK DIAGRAM
UMTS RF Filter
FL201
UMTS TX Filter
FL202
U201
UMTS TRx
U204(RF3100)
U103(RF3000)
Bluetooth
GSM TRx
Bluetooth
STLC2500
Antenna
U101
LGE Internal Use Only