Samsung GT-B3740 Service Manual page 47

GT-B3740
SVC Schematics
PA_BAND20_OUT
L106
1
1
2 2
C147
HJ-ICT-05Y
L109
C149
L111
HJ-ICT-05Y
1
1
2
C162
2
C164 L117
CLP_OUT
VPAM_LTE_3.3V VPAM_LTE_3.3V
C106
C108
C109
C110
U100
10 1 F103
VCC2 VCC1
3
OUT
L126 L127
9 2 1 4
RF_OUT RF_IN
IN OUT
G G
8 3
CPL_IN VMODE_1
C124 2 5
7 4
GND VMODE_0
6 5
CPL_OUT VEN
VMODE_1
VMODE_0
PA_ON_OFF
C134 C135 C136
CLP_OUT
2 4 5 7 9
RFS100
C140
BAL
RX 8
F101 L107 L121 4 L105
PA_BAND20_OUT TX UNBAL
3 1
RX BAL
1 3
ANT
C144
6
F104 L119
C146
C148
L108
ground
2 4 5 7 9
RFS101
C178
R138
BAL
8 L122 L123 4 L110
TX F102 RX UNBAL
3
1
RX 1 BAL
3
ANT
C179
L113
6 F105
C160
C177 L120
ground
VDD2.8_PDET
U102 C170
1 OUT 6 R132
VDD LTE_PA_PDET
R133 2 5
RFIN REF
C182 3 GND EN 4 R134
RF_ON3
R135
PA_ON_OFF
R144
RF_2.5V
C107
L100
C111
TXA_OUTM
L103
L101
C122
TXA_OUTP
RF_2.5V
L104
C127
G4
RX1_OPD
G10
RX2_OPD
C145
R139
SHORT H2
RX1_IN RX1_BB_IM
R140 SHORT H1
RX1_IP RX1_BB_IP
J2
RX1_QN RX1_BB_QM
J1
RX1_QP RX1_BB_QP
R141
SHORT H12
RX2_IN
R142 RX2_BB_IM
SHORT H13
RX2_IP
RX2_BB_IP
J12
RX2_QN RX2_BB_QM
J13
RX2_QP RX2_BB_QP
M1
RX1A_LNA_IN
N3
RX1B_LNA_IN
N5
RX1C_LNA_IN
U101
M13
RX2A_LNA_IN
N11
RX2B_LNA_IN
N9
RX2C_LNA_IN
C159
L112 L2
RX_1.2V RX1A_LNA_LOAD
M2
RX1B_LNA_LOAD
M4
C161
RX1C_LNA_LOAD
L114 L12
RX_1.2V
RX2A_LNA_LOAD
M12
RX2B_LNA_LOAD
C163 M10
RX2C_LNA_LOAD
K1
L116
RX1_MIX_DEGEN
L118 K13
RX2_MIX_DEGEN
R128
C166 N7
RX_CP
M8
RX_CP_HOLD
M9
C167
RX_LOCK
M6
RX_LOIO
F1
RX_RBIAS
C168
RX_LOCK_DETECT
C169
OSC100
6
VCC
TCXO_2.8V
5 NC
C173 4
TCXO_OUT OUT GND
RFIC_XTAL
R143
ANT
LTE TX
LTE RX
SIM
POWER ON
PLL_RX_1.2V PLL_TX_1.2V
RX_1.2V TX_1.2V
TX_2.5V RX_2.5V RF_1.8V
C137
C138
C139
C142
A3
TXA_OUTM TXA_OUTM
A4
TXA_OUTP TXA_OUTP
A1
TXB_OUTM TX_IN
A2 C150 TX_IP
TXB_OUTP
R116 C151
C1
TX_QN
TXC_OUTM
B1 C152 C153
TXC_OUTP TX_QP
B6
TX_BB_IM
A6
TX_BB_IP
B7
TX_BB_QM C154
A7
TX_BB_QP
D13
TX_CP
B11
TX_CP_HOLD
B8
TX_LOCK_DETECT
TX_LOCK
B9
TX_LOIO
A8 R123
TX_RBIAS
F13
TCXO_IN RFIC_XTAL
B13
SPI_CLK
SPI_CK TP_SPI_CLK
A12
SPI_ST SPI_EN
TP_SPI_EN
A13
SPI_RDAT SPI_RDATA
TP_SPI_RDATA
C12 SPI_WDATA
SPI_WDAT
TP_SPI_WDATA
D7
BURN
1
NC
2
NC
RF_2.5V
1
VC
TCXO_AFC
V100
2
NC TEMP_RF
C175
3
R100
ground
ground
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PROPRIETARY INFORMATION THAT IS
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DO NOT DISCROSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.