Samsung i8510 Service Manual page 103

Flow Chart of Troubleshooting
GSM_PA_PWR_CTL
RFOUT_DCS_PCS
R102
RFOUT_GCELL_EGSM
0603
GSM_ANT_SEL1
GSM_ANT_SEL0
GSM_ANT_SEL2
GSM_ANT_SEL3
0603 0603 0603
C114 C115 C116
R103
F105
C122
1 4
RFOUT_UMTS2100 OUT
IN
G G G
2 3 5
PAM_R 0
PAM_R 1
PAM_ON2100
C127 C128
C125 C126
PAM_ON900
PAM_R 1
PAM_R 0
C133 C134
C135
C136
R111 1
4
RFOUT_UMTS900 OUT
IN
G G G
C139 2 3 5
L116
F108
0603
C101
R101
1
HB_RF_IN
3
0603
LB_RF_IN
6
U101
BS2
7
BS1
8
_TXEN
9
MODE
10
RSVD
R105
R104 R106
V_BAT
PAM101
1 VCC1 VCC210
2 RFIN GND 9
3 VMODE1 RFOU T 8
VMODE0 GND
4 7
5 EN CP L 6
C123
11 12 13 14 1516 17
18 19
C129 C130
C131
V_BA T
PAM102
1 VE N GND 10
2 VMODE0 GND 9
RFOU T
3 8
VMODE1
4 RFIN GND 7
C137
5 6
VCC1 VCC2
GND
11
C142
C140 C141
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
CN101
C103 C102
1005 1005
L102
L101
1005
V_BAT
C105 C104
1
16 C111
RX1
0603
15 C110
RX2
0603
14
C109
RX3
13 0603
C108
RX4
0603 1
18
WCDMA1
19
WCDMA2
20
WCDMA3
TRX_WCDMA2100
1
TRX_WCDMA900
1
F104
CPL101
2 OUT 1
IN
50OHM COUP
L11 5
3 4
C138
R108
R109 R11 0
10-48
ANT
ANT101 ANT_GND101
4 4
4 4
3 3
3 3
2 2 2
L103
2
1 1
1 1
1005
F101
C106
3
OUT
4 0603
IN OUT
L105
L104
G G
C107
5
2
0603
F102
3 C112
OUT
4 0603
IN OUT L107
L106
G G
5 C113
2
0603
F103
C117
3
OUT
SIZE
4
IN OUT
L109
L108
G G
C118
2 5
SIZE
3 C119
OUT
4 0603
IN OUT
L110 L111
G G
5
2
0603
C120
L11 2
L117
C121
F106
2
L11 3
ANT
7 TX RX
5
1 3 4 6 8 9
R107 C124
to U101
C132
L114
F107
1
ANT RX 3
TX
2
WCDMA900_RX
GND
4
PWR_DET
GSM850_RXM
GSM850_RXP
GSM_RXM
GSM_RXP
DCS_RXM
DCS_RXP
PCS_RXM
PCS_RXP
TRX_WCDMA2100
WCDMA2100_RX
TRX_WCDMA900