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Level 3 Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-49
DISCLOSE TO OR DUPLICATE FOR OTHERS
XCEPT AS AUTHORIZED BY SAMSUNG.
RXTX_B8 / GSM900
2G_LB_TX
"Ne
DCS
RX_B8
RX_B2
RX_B1
RXTX_B1
TX_B5
TX_B2
TRANSCIEVER
RX_B5
RXTX_B2/PCS
TX_B8
TX_B1
DCS
ASM
RXTX_B5/850
2G_HB_TX
RF_PART
C128
4
2
TRX6
V
D
D
2
6
2
3
S
P
I_
C
L
K
S
P
I_
D
A
T
A
2
2
S
P
I_
F
R
M
2
4
2
5
S
P
I_
V
D
D
TRX1
20
TRX2
18
TRX3
16
TRX4
6
TRX5
GND
GND
8
G
N
D
1
0
1
1
G
N
D
G
N
D
1
3
21
GND
2
9
N
C
N
C
2
8
ANT
14
1
GND
GND
19
GND
17
15
GND
G
N
D
2
7
3
GND
5
GND
7
U101
2
G
_
H
B
_
T
X
1
2
9
2
G
_
L
B
_
T
X
VOUT_CHARGER
C136
L115
VSPI
SPI_DATA
SPI_EN
10
1
3
V
B
A
T
T
V
C
C
1
2
4
V
C
C
2
2
5
V
C
C
3
2
6
3 VDET
VRAMP
12
7
G
21
GPIO1
GPIO2 22
23
GPIO3
HB_IN
5
LB_IN
6
RF_OUT
2
SPI_CLK
9
8
G
G
4
1
1
G
G
1
4
G
1
6
1
7
G
G
1
8
G
2
0
2
7
3G_HB_OUT
29
3G_LB_OUT
1
G
G
2
8
G
3
0
3
1
G
3
3
G
G
3
4
3
5
U103
15
2G_HB_OUT
2G_LB_OUT
19
32
C119
C127
C120
C100
R102
7
3
TX_B5
1
TX_B8
17
RX_B5
20
21
RX_B5
22
RX_B8
RX_B8
23
18
RX_GSM1800
RX_GSM1800
19
TX_B1
9
TX_B2
1
1
1
3
G
N
D
G
N
D
2
4
N
C
5
1
5
2
N
C
14
RX_B1
RX_B1
15
16
RX_B2
RX_B2
4
3
4
5
G
N
D
5
G
N
D
G
N
D
4
7
G
N
D
4
9
6
G
N
D
8
G
N
D
1
0
G
N
D
G
N
D
3
5
G
N
D
3
6
3
7
G
N
D
3
8
G
N
D
G
N
D
3
9
4
0
G
N
D
G
N
D
4
1
4
2
G
N
D
G
N
D
G
N
D
2
9
G
N
D
G
N
D
3
0
G
N
D
3
1
3
2
G
N
D
G
N
D
3
3
3
4
G
N
D
4
G
N
D
G
N
D
A
N
T
_
B
2
A
N
T
_
B
5
4
6
A
N
T
_
B
8
4
4
4
8
A
N
T
_
G
S
M
1
8
0
0
2
G
N
D
G
N
D
2
5
2
6
G
N
D
G
N
D
2
7
2
8
F100
1
2
A
N
T
_
B
1
5
0
R108
C112
R105
C143
L104
C130
R107
L112
L113
TP100
1
VCONT
TP101
3
GND
2
NC
5
NC
OUT
4
VCC
6
C154
VDD_2V5_SUE2
OSC100
R104
L102
VOUT_CHARGER
L120
L119
VDD_1V8_SUE2
VBAT_RF
L131
C146
L106
C137
VDD_2V65_SUE2
C126
CP_VSD2_1.8V
C140
SHORT
R100
VDD_1V8_SUE2
L121
VDD_1V2_SUE2
L111
C102
VBAT_UE2
L122
C115
C
3
G
G
4
L108
CN100
A
2
1
C
1
4
7
C114
C134
C156
R106
L110
CP_VSD2_1.8V
C
1
4
8
C116
C157
C141
L123
L101
L116
L100
L117
VOUT_CHARGER
C117
1
1
2
2
C103
ANT100
10
OUT2C
V
D
D
1
4
1
5
G
P
IO
2
4
IN1
2
IN2
N
C
1
8
1
9
N
C
12
OUT1A
OUT1B
11
O
U
T
2
A
5
O
U
T
2
B
7
1
GND
3
GND
G
N
D
6
G
N
D
8
9
GND
1
3
G
N
D
1
7
G
N
D
G
P
IO
1
1
6
U102
C138
C151
L107
C
1
4
9
C113
VBAT_UE2
R101
VDD_2V85_SUE2
C101
C129
C142
L103
L114
C145
L118
GPO5
G
N
D
M
2
RD_L2
M3
RD_L2X
M4
RD_M
M5
RD_MX
M6
G
N
D
M
7
GPO4
M8
M9
RD_HX
L7
G
N
D
L
8
V
D
D
1
V
8
_
R
X
D
C
O
L
9
NC
M1
GPO6
M10
PA_BIAS
M11
PA_RAMP
M12
NC
M13
G
N
D
L
1
1
G
N
D
L
1
2
V
D
D
1
V
8
_
R
F
C
L
1
3
V
D
D
1
V
8
_
R
C
R
F
L
2
L
3
G
N
D
RD_L1
L4
RD_L1X
L5
RD_H
L6
K11
RESET_N
K12
CLK_ON
K13
RX_H1X
K2
G
N
D
K
5
K
6
G
N
D
V
D
D
1
V
8
_
R
X
P
L
L
K
9
RX_H2X
L1
V
D
D
2
V
5
_
R
F
C
L
1
0
J
4
V
D
D
2
V
5
_
R
C
R
F
J
5
G
N
D
J
6
G
N
D
J
7
J
8
V
D
D
2
V
5
_
R
X
D
C
O
G
N
D
J
9
RX_H2
K1
G
N
D
K
1
0
GPO7
RX_M2X
J1
G
N
D
J
1
0
GPO8
J11
FSYS3
J12
FSYS3_EN
J13
RX_H1
J2
G
N
D
J
3
V
D
D
2
V
5
_
R
C
B
B
FSYS2_EN
H12
FSYS2
H13
RX_M1X
H2
G
N
D
H
3
H
4
G
N
D
G
N
D
H
5
G
N
D
H
6
CEXT_RXPLL
H9
G
N
D
G
4
V
D
D
1
V
8
_
R
C
L
O
G
5
G
N
D
G
6
G
N
D
G
7
G
8
G
N
D
G
N
D
G
9
RX_M2
H1
G
N
D
H
1
0
F
7
G
N
D
F
8
V
D
D
1
V
2
_
D
IG
F
9
RX_L2X
G1
G
N
D
G
1
0
FSYS1
G12
FSYS1_EN
G13
RX_M1
G2
G
N
D
G
3
F
1
0
SYS_CLK_EN
F12
SYS_CLK
F13
RX_L1X
F2
V
D
D
1
V
8
_
R
C
B
B
F
3
G
N
D
F
4
G
N
D
F
5
G
N
D
F
6
V
D
D
1
V
8
_
R
C
M
S
SPI_SS
E4
G
N
D
E
5
G
N
D
E
6
GPO1
E7
V
D
D
1
V
8
_
T
X
M
S
E
8
V
D
D
_
T
E
S
T
E
9
RX_L2
F1
G
N
D
V
D
D
1
V
8
_
T
X
L
O
D
5
CEXT_TXPLL
D8
G
N
D
D
9
G
N
D
E
1
V
D
D
IO
E
1
2
E13
REF_CLK_EN
RX_L1
E2
VSPI
E3
V
D
D
1
V
8
_
D
IG
C
9
PA_POW_DET
D1
V
D
D
2
V
5
_
F
S
Y
S
D
1
0
DI3_TX_DATX
D12
DI3_RX_DATX
D13
D
2
V
D
D
1
V
8
_
F
B
R
SPI_CLK
D3
SPI_DRW
D4
DI3_RX_DAT
C13
D
2
B
_
O
U
T
_
T
X
R
F
C
2
G
N
D
C
3
CEXT_TXMS
C4
V
D
D
2
V
5
_
T
X
B
IA
S
C
5
C
6
V
D
D
2
V
5
_
T
X
D
C
O
G
N
D
C
7
G
N
D
C
8
V
D
D
_
T
X
R
F
B
2
GPO2
B5
MI2
B8
D
2
B
_
O
U
T
B
9
PA_RF
C1
C
1
0
G
N
D
G
N
D
C
1
1
DI3_TX_DAT
C12
G
N
D
A
7
MI1
A8
V
D
D
B
A
T
A
9
V
D
D
B
A
T
_
T
X
R
F
B
1
AFC_DAC
B10
XO_SUP
B11
XO_EXT
B12
V
D
D
1
V
8
_
S
C
U
B
1
3
XO
A11
XOX
A12
NC
A13
PM_H
A2
G
N
D
A
3
PM_L
A4
A5
GPO3
V
D
D
1
V
8
_
T
X
D
C
O
A
6
U100
NC
1
NC
2
NC
A1
CEXT_DCXO
A10
C155
C144
R103
C118
C153
C139
L105
C133
C152
VPAM_3G
VDD_2V85_SUE2
1
2
2
ANT101
1
C132
C135
C131
C
1
5
0
PM_H
G
R
IP
_
T
E
S
T
N
D
_
G
P
IO
2
N
D
_
G
P
IO
1
PA_BIAS
COND_N
GPS_CLK_26M
SPI_DRW
SPI_SS
PA_POW_DET
PA_RAMP
VSPI
PA_RF
PM_L
BAND_GPIO1
BAND_GPIO2
PA_DCDC_EN
SPI_CLK
SYS_CLK_EN
SYS_CLK_26M
GPS_CLK_EN
RESET_N_RF
CLK_ON
PA_RAMP
DI3_RX_DAT
DI3_RX_DATX
PA_RF
DI3_TX_DAT
DI3_RX_DAT
PA_POW_DET
DI3_TX_DATX
DI3_RX_DATX
SPI_CLK
SPI_DRW
REF_CLK_EN
VSPI
SPI_SS
SPI_SS
SPI_CLK
SPI_DRW
PM_H
PM_L
Summary of Contents for GT-P3100
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