Samsung SGH-P408 Service Manual page 32

SG H- P408 F low Chart of Troubleshooting
ANT1
1 1
2
3
R1000
18
GSM_PAM_IN
R1002
R1003
300
30 0
R1004
18
DPCS_PAM_IN
R1006
R1007
300
30 0
C1013
100U F
6.3V
TX_BAND_SEL
CN1001
L100 3
1.8N H
2
1
OU T IN
GND GND
3
4 2
C100 2
L1000
0.75PF 4.7n H
GSM_TX_EN
DCS_TX_EN
PCS_RX_EN
C100 8
1P F
C100 7
47PF
L100 7
3.3nH
R100 1
180
U1001
R100 5
VBA T
180
C1012
33PF
VCC2
VCC2
VCC
R100 8
C1015 100K,1%
33PF
TX_EN
C1016
33PF
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C1000
47PF
3
U1005
15
ANT
EGSMRX 1
EGSMRX 2
DCSRX 3
10 DCS/PCSTX DCSRX 4
PCSRX 6
12 EGSMTX
GG
7 14
C101 7
10PF
L1008
18nH
VPA C
C1014
1N F
TXPOWER
TRANSMITTER & RECEIVER
3- 20
C1003
0.75PF
L1001
C1004
33nH
0.75PF
C1005
0.75PF
L1002
C1006
8.2nH
0.75PF
F1003
C1009
0.75PF
4
OUT 1
2
IN
6
L1006
OUT 2 C1010
7.5NH
G1 G2 G3
0.75PF
1 35
GSM_LNA_IN_N
GSM_LNA_IN_P
DCS_LNA_IN_N
DCS_LNA_IN_P
PCS_LNA_IN_N
PCS_LNA_IN_P