LG KT520 Service Manual page 193

9. PCB LAYOUT
U602 Speaker/Receiver MUX
No Sound (Speaker/Receiver)
U601 Speaker Amp
No Sound (Speaker)
CN501 3M Camera Conn
No 3M Camera
U401 3M Camera's LDO
No 3M Camera
U600 PMIC
No Power On
No Service
No Charging
U301 BB chip(DB3150)
No Power On
No Display
No Service
U102 BT Buffer
BT Connection
U101 FEM
WCDMA/GSM RX Sensitivity &
Tx Power
No Service
U103 GSM Transceiver
GSM RX Sensitivity &
Tx Power
No Service
FL101/102/103 GSM Rx SAW Filter
GSM RX Sensitivity
No Service
LGE Internal Use Only - 194 -
CN502 Sub PCB Conn
No Micro-SD
No BT connection
U300 Memory
No Booting
U204 WCDMA Transceiver
WCDMA RX Sensitivity & Tx Power
No Service
FL202 WCDMA Tx SAW Filter
WCDMA Tx Power
No Service
FL201 WCDMA Rx SAW Filter
WCDMA RX Sensitivity No Service
U201 WCDMA PAM
WCDMA Tx Power
No Service
FL203 WCDMA Duplexer
WCDMA RX Sensitivity
& Tx Power
No Service
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