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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
B9442
DNI
ANT_SEL(0)
ANT_SEL(1)
ANT_SEL(2)
ANT_SEL(3)
GSM_PA_RAMP
TX_GSM_LB
TX_GSM_HB
GSM_PA_BAND
GSM_PA_EN
3dB
3dB
GSM TX
EGSM Tx
B9442
SFSY0037601
TP1
15nH
1710M
1910M
897.5MHz,942.5MHz
1880,1960MHz
WCDMA_1900
WCDMA_LB
WLNA_HB1_IN_P
WLNA_HB1_IN_M
WLNA_LB_IN_M
WLNA_LB_IN_P
WCDMA_2100
WLNA_HB2_IN_P
WLNA_HB2_IN_M
WCDMA_900/GSM900
18pF, when enabled
18pF, when enabled
1nH, when enabled
DNI, when enabled
L127= 1nH, when W1900 enabled
L126= 100pF, when W850 enabled
C159= 33pF, when W1900 enabled
WCDMA 2100
WCDMA 1900
TP2
TP3