![background image](http://html.mh-extra.com/html/samsung/sgh-p400/sgh-p400_service-manual_1190962031.webp)
SAMSUNG Proprietary-Contents may change without notice
SGH-P400 Flow Chart of Troubleshooting
3-
20
This Document can not be used without Samsung's authorization
30nH
C1015
6
VC1
13
11 VC2
VC3
5
33PF
1
2
EGSMRX
EGSMTX
12
7
GG
14 16
GG
19 20
G
PCSRX
U1005
15
ANT
DCSRX 3
4
DCSRX
10 DCS/PCSTX
EGSMRX
L1001
C1007
47PF
3
IN
1
OUT
C1008
1PF
CN1001
2
GND
GND
4
VBAT
C1003
0.75PF
3.3nH
L1007
6.3V
100UF
C1013
L1000
4.7nH
18nH
L1008
R1007
300
18
R1004
C1002
0.75PF
L1002
C1006
0.75PF
L1003
8.2nH
4
VCC
10
8
VCC2
VCC2
12
VRAM
P
6
5
VREG
1.8NH
BAND
21
DCSI
N
GND 13
GSMI
N
7
GSMOUT
9
PCSOUT
11
TXEN
3
VBATT
0.75PF
C1005
U1001
18
300
R1003
300
R1000
R1005
R1002
R1001
180
10PF
C1017
180
0.75PF
C1004
C1009
0.75PF
ANT1
1
1
2
2
3
3
1NF
C1014
C1016
33PF
4
6
OUT2
300
R1006
VPAC
F1003
1
G1 G2
35
G3
IN
2
OUT1
0.75PF
C1010
47PF
C1000
L1006
7.5NH
C1012
R1008
33PF
DCS_TX_EN
PCS_RX_EN
100K,1%
GSM_LNA_IN_P
GSM_LNA_IN_N
DCS_LNA_IN_N
DCS_LNA_IN_P
PCS_LNA_IN_N
PCS_LNA_IN_P
GSM_TX_EN
GSM_PAM_IN
DPCS_PAM_IN
TX_BAND_SEL
TX_EN
TXPOWER