SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
3-48
This Document can not be used without Samsung's authorization
C244
L209
V_2.85TCXO
L204
R206
V_2.85RX1
R210
C240
C237
C242
V_2.85TCXO
C225
32
34
VDDA6
36
VDDA7
5
4
8
A
D
D
V
1
4
M
D
D
V
VDDRF1
3
9
1
2
F
R
D
D
V
12 VDDRF3
3
4
4
4
T
S
B
S
33
TCXO
25
UMTS_TUNE
7 VDDA1
2
A
D
D
V
4
2
26
VDDA3
27
VDDA4
VDDA5
10
11 PMIXP
1
2
MI
_
X
R
0
2
PI
_
X
R
3
2
M
Q_
X
R
P
Q_
X
R
2
2
6
4
S
AI
B
_
R
2
4
K
C
B
S
T
D
B
S
8 IMIXM
9 IMIXP
LO_OUT 28
1
C
N
0
5
1
5
2
C
N
5
1
S
AI
B_
A
N
L
P
6
1
NI
_
A
N
L
P
3
1
T
U
O_
A
N
L
P
PMIXM
35
GPS_TUNE
9
3
MI
_
X
R
G
0
4
PI
_
X
R
G
M
Q
_
X
R
G
7
3
P
Q
_
X
R
G
8
3
7
1
S
AI
B_
A
N
LI
NI
_
A
N
LI
8
1
4
1
T
U
O_
A
N
LI
31
FAQ
8
4
S
AI
B
_
A
N
L
G
7
4
NI
_
A
N
L
G
1 GLNA_OUT
GMIXM
5
6 GMIXP
4 GND1
9
4
2
D
N
G
U202
2 BLANK
29
CP_DUMP
CP_OUT 30
L208
L207
V_2.85TCXO
V_2.6P
C239
R208
V_2.85TCXO
C241
C248
C224
C226
C228
C222
R207
C243
C238
C247
L205
4
OUT
L206
F201
G
2
G
5
1
IN
3
OUT
C245
C246
C223
C227
UMTS_RXP
UMTS_RX_VCO_IN
MI
_
X
R
PI
_
X
R
M
Q
_
X
R
P
Q
_
X
R
K
C
B
S
T
D
B
S
T
S
B
S
UMTS_RX_TUNE
TCXO
UMTS_RXM
NI
A
N
L
_
S
T
M
U
UMTS_RXM
UMTS_RXP
C244
L209
V_2.85TCXO
L204
R206
V_2.85RX1
R210
C240
C237
C242
V_2.85TCXO
C225
32
34
VDDA6
36
VDDA7
5
4
8
A
D
D
V
1
4
M
D
D
V
VDDRF1
3
9
1
2
F
R
D
D
V
12 VDDRF3
3
4
4
4
T
S
B
S
33
TCXO
25
UMTS_TUNE
7 VDDA1
2
A
D
D
V
4
2
26
VDDA3
27
VDDA4
VDDA5
10
11 PMIXP
1
2
MI
_
X
R
0
2
PI
_
X
R
3
2
M
Q_
X
R
P
Q_
X
R
2
2
6
4
S
AI
B
_
R
2
4
K
C
B
S
T
D
B
S
8 IMIXM
9 IMIXP
LO_OUT 28
1
C
N
0
5
1
5
2
C
N
5
1
S
AI
B_
A
N
L
P
6
1
NI
_
A
N
L
P
3
1
T
U
O_
A
N
L
P
PMIXM
35
GPS_TUNE
9
3
MI
_
X
R
G
0
4
PI
_
X
R
G
M
Q
_
X
R
G
7
3
P
Q
_
X
R
G
8
3
7
1
S
AI
B_
A
N
LI
NI
_
A
N
LI
8
1
4
1
T
U
O_
A
N
LI
31
FAQ
8
4
S
AI
B
_
A
N
L
G
7
4
NI
_
A
N
L
G
1 GLNA_OUT
GMIXM
5
6 GMIXP
4 GND1
9
4
2
D
N
G
U202
2 BLANK
29
CP_DUMP
CP_OUT 30
L208
L207
V_2.85TCXO
V_2.6P
C239
R208
V_2.85TCXO
C241
C248
C224
C226
C228
C222
R207
C243
C238
C247
L205
4
OUT
L206
F201
G
2
G
5
1
IN
3
OUT
C245
C246
C223
C227
UMTS_RXP
UMTS_RX_VCO_IN
MI
_
X
R
PI
_
X
R
M
Q
_
X
R
P
Q
_
X
R
K
C
B
S
T
D
B
S
T
S
B
S
UMTS_RX_TUNE
TCXO
UMTS_RXM
NI
A
N
L
_
S
T
M
U
UMTS_RXM
UMTS_RXP