User Guide

SGH-E620 Flow Chart of Troubleshooting
2-25
C717
C735
L709
L707
L703
L704
L701
9
CN702
A
2
3
C
1
D
N
G
4
D
N
G
4 GSM1800/1900TX
8
5
GSM1900RX1
GSM1900RX2
6
1
GSM900RX1
GSM900RX2
2
10
GSM900TX
11
VC1
VC2
ANT
13
G
712
GG
14
3
GSM1800RX1
GSM1800RX2
C724
F700
C716
R706
C715
C733
C725
ANT700
C729
C727
ANT
DCS_LNA_IN_P
DCS_LNA_IN_N
GSM_LNA_IN_P
GSM_LNA_IN_N
PCS_LNA_IN_N
PCS_LNA_IN_P
C712
C713
C714
VRF_2.8
C702
9
D
D
V
32
N
E
X
26
N
I
X
8
T
U
O
X
27
N
D
P
_
10
N
E
S
_
12
28
K
L
C
S
13
I
D
S
14
O
D
S
11
TXIN
5
TXIP
4
TXQN
7
TXQP
6
D
D
V
20
RFIPN
17
RFIPP
16
D
O
F
R
22
G
O
F
R
23
RXIN
3
RXIP
2
RXQN
1
P
Q
X
R
D
N
G
33
D
N
G
34
D
N
G
GND
35
36
GND
RFIDN
19
18
RFIDP
RFIGN
21
RFIGP
U700
1
G
A
I
D
24
2
G
A
I
D
25
GND
15
D
N
G
2930
D
N
G
31
C701
C710
VRF_2.8
C703
RF_EN
SERLE
SERCLK
SERDAT
DPCS_PAM_IN
CLK13M_RF
DCS_LNA_IN_P
DCS_LNA_IN_N
GSM_LNA_IN_N
GSM_LNA_IN_P
PCS_LNA_IN_N
PCS_LNA_IN_PRTX_IN
RTX_IP
RTX_QN
RTX_QP
GSM_PAM_IN
A2
P
X
T
7
E
N
I
X
T
X
R
6
D
P
I
X
T
X
R
7
D
N
Q
X
T
X
R
6
C
P
Q
X
T
X
R
7
C
SERCK
C2
C1
SERDA
B1
SERLE1
SERLE2
1
F
E
R
A
R
6
B
2
F
E
R
A
R
5
B
G6
OCTL5
OCTL6
B3
A3
OCTL7
C
F
A
9
D
C122
TX_BAND_SEL
RF_EN
AFC
TX_EN
SERLE
SERDAT
SERCLK
RTX_QP
RTX_QN
RTX_IP
RTX_IN
TXPOWER
U100