Samsung GT-E1120 Service Manual page 40

C202
R206 R204
C208
C223
C224 C222
L202
C301 C307
C304
C303
C300
R305
R300
C213
C212
C216
MOD_STANDB Y PON_PA BAND_SEL
- -
L
STAND BY
H L L
EGSM_RX
DCS_RX H L H
H H L
EGSM_TX
H H H
DCS_TX
TX Module S/W Control Circuit
VBAT
C109
C107 C108
MOD_STANDBY
R107
RAMP
PON_PA
R108
EGSM_TX
R109
DCS_TX
C115
33PF
DCSRX
1005
C118
33PF
EGSMRX
1005
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SC106
C205
L20 0 L201
C20 0 C201
R203
R100
R107
R104
R205
R103
C119
C117
C116
C114
C214
R201
C215
SC103
RX_SEL
RFS100
-
H
C A G G
1 2 3 4
H
L100
ANT100 ANT101
-
D100 L101
L102 L103
- C105
C106
L105
C110
2 BS1 5
VLOGIC
3 6
BS2
VRAMP
4
TX_EN
RX1 12
PAM100
27 RX2 13
GSM_IN
29
DCS|PCS_IN
11
NC
NC 14
L106
C112
C113
L107
1005 DCSRX_P
C114 1.2PF
F100
5.6nH
SFR942PY002
L108
9
OUT1
1 IN1
OUT1 8 1005 DCSRX_N
C116 1.2PF
7
OUT2 EGSMRX_P
4 C117 1.5PF
IN2
OUT2 6
22nH
L109
1005 EGSMRX_N
C119 1.5PF
RF Part
9-21
Flow Chart of Troubleshooting
R109 R108
L107 L106
C113 C112
C118
C115
L101
D100
L104
BAND_SEL
RX_SEL
EGSMRX
DCSRX