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Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
4. TROUBLE SHOOTING
4.1 RF Component Description
TX
WCDMA PAM
AWT6279R
U102
TRX
W2100 Duplexer
ACMD-7602
FL102
TX
WCDMA Tx SAW filter
EFCH1950TDF1
FL103
Bluetooth TRX
Bluetooth Chip antenna
SNGF0027401
ANT100
WCDMA
WCDMA/
GSM
RX
W2100 RX SAW filter
EFCH2140TDE1
FL104
TX
G850/900 Dual TX SAW
Filter
EFCH897MTDB1
FL101
TX
GSM TX Dual PAM
SKY77329
U101
GSM
TRX
WCDMA/GSM Transceiver
RTR6275
U100
Bluetooth TRX
Bluetooth RF Transceiver
RB04
U101
Bluetooth
19.2MHz
VCTCXO
TG-5010LH(19.2M)-75A
X100
Calibration, etc
Test Connector
KMS-512
SW101
2G NAND/1G
SDRAM
Memory
TYA000B800COGG
U302
Band select
Switch
LMSP4LMA-573TEMP
FL100
Power Supply
Power Control
PM6650-3P
U503
32.768 kHz
Sleep Clock
CM315(12.5PF)
X500
Main Chipset
Main Control
MSM6280
U200
Common
Comment
Function
Part Name
Ref.
Name
Block
Diagram
Block