Samsung GT-E2120 Service Manual page 50

VBAT
C119
22
11
MOD_STANDBY 10 GPCTRL1
BAND_SEL
9
PON_PA
8
RAMP
7
24
23
21
R113
EGSM_TX
R114
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C120 F100
GND
1005
1 IN1 OUT1 8
VBATT RX1
17
RX0 OUT1
18
4 OUT2 6
IN2
1005
GPCTRL0 NC OUT2
19 C123
GND 13
RF7168
TX_EN NC
12
PAM100
GND
6
VRAMP GND
5
GND
3
GND GND
1
GND
GND
C130
C131
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C117
DCSRX_N
L102
C122
9
DCSRX_P
7
C125
EGSMRX_N
L106
C127
EGSMRX_P
SC101
R113
D200
C131
R116
R114
R115
C120
C122
C117
C123 C127
UCP201
C125
L112
RFS100
TP305
C203
L200
R106
C215
L114 C200
SC102
ANT101
9-27
Flow Chart of Troubleshooting
PWM_OUT2
W8
ICHGN ICHGN
W9
ICHGP
ICHGP
E1
RFID_N DCSRX_N
D1
RFID_P DCSRX_P
G1
RFIL_N EGSMRX_N
F1
RFIL_P EGSMRX_P
C1
RFIP_N
B1
RFIP_P
A1
DCS_TX
RFOH
A2
EGSM_TX
RFOL
L18
UART0_TD
UART0_RD
K18
UART0_RD
UART0_TD
W5
UART1_RD UART1_RD
V5 UART1_TD
UART1_TD
V7
UART1_CTS
W6
R311
U310
C219 C224 C221
C220 C218
R203
C214
R207
TH200
SPI_DI
C132
C128
C118
R132
C109
C145
C113
C141
C111
R118
C142
F101
FSC100
L107
L120
MIC100
C151
C304 L300
DU100 DD100
DCL100