Samsung GT-E2120 Service Manual page 52

VGPIO_2.8V
ANT100
C101
1005
L100
C102
L119
1005
C104
R107
ZD106
FM LNA
AP_READYS
TP100
AP_ACD
TP101
AP_READY_AUX
LNA_ANT
20
23 22 21
1
C121 NC
2 FMIP
R_ANT
1005
L104
3 RFGND
L105
SI4703-B16-GMR
4 GND
5 _RST
BUS_ENABLE
6
_SEN
AP_CS
TP102
7 8
AP_RDS
TP103
AP_DATA
TP104
32KHz_DIGIT
FM_RADIO
D200
C122
C117
C127
C125
TP305
C203
L200
C215 C200
SC102
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C100
1005
R100 R101
U100
1 VCC CURRENT-AD 6
2 BIAS-OUT 5 LNA_EN
CTRL-SW
C153
3 RF-IN RF-OUT 4
LNA_ANT
C105
VGPIO_2.8V
19 18 17
16
VA
15
GND
14
C124 R111
LOUT
U102
FM_L
1005
1005
13 R112
C126
ROUT
FM_R
1005
12
GND
11
VD
9 10
C129
1005 22NF
16V
C219
C220 C218
R203
C214
UCP201
R207
TH200
C132
R132
C145
C141
R118
C142
MIC100
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LNA_EN
R206
AP_CS
BUS_ENABLE
VANA_2.85V
TA_DET
AP_READYS
AP_READY_AUX
TH200
JIG_ON
D200
3
R207
EAR_N
EAR_P
MIC_BIAS
MIC_N
R209
MIC_P
EAR_MIC_N
R311 C304 L300
U310
C224 C221
SPI_DI
C128
C118
C109
C113
C111
DU100 DD100
F101
FSC100 DCL100
L107
L120
C151
9-29
Flow Chart of Troubleshooting
H5
GPIO10
W3
GPIO20
H4
GPIO38
J1
GPIO39
W1
GPIO40
V1
GPIO41
J4
GPIO57
1
R8
AUX_POK
2
M19
AUXADC0
N16
AUXADC1
P18
FM_L
AUXAUD_IN_L
R18
FM_R AUXAUD_IN_R
W16
EAR_OUT_N|R
W17
EAR_OUT_P|L
T18
INTMIC_BIAS
U19
INTMIC_IN_N
V19
INTMIC_IN_P
C228 U18
EXTMIC_BIAS
R19
EXTMIC_IN_N
ANT100
ZD106
L119
C104
R107
C105
C153
L100
C101
C100
R100
R101
U102
C129