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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
9-
27
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C606
L606
C608
MSMP_2.6V
RFTX_2.85V
OSC_2.85V
C631
C620
VDDA6
23
VDDA7
26
VDDA8
27
9
A
D
D
V
31
M
D
D
V
43
F
E
R
_
E
N
U
T
V
8
VDDA14
50
VDDA15
52
VDDA16
54
VDDA17
56
2
A
D
D
V
5
3
A
D
D
V
7
4
A
D
D
V
10
5
A
D
D
V
15
UMTS800_OUT
55
VCONTROL
49
E
N
U
T_
O
C
V
9
1
A
D
D
V
4
0
1
A
D
D
V
36
1
1
A
D
D
V
39
2
1
A
D
D
V
41
VDDA13
48
TX_IN
19
TX_IP
18
P
C
_
D
O
M
_
X
T
40
TX_QN
17
TX_QP
16
B
F_
O
C
V
_
X
T
42
UMTS1900_OUT
53
UMTS2100_OUT
51
N
Q
_
X
R
12
P
Q
_
X
R
11
NI
_
O
C
V_
X
R
32
S
AI
B_
R
33
SBCK
44
SBDT
45
SBST
46
O
X
C
T
6
GSM850_INP
22
N
NI
_
00
9
M
S
G
38
P
NI
_0
0
9
M
S
G
37
NC1
58
NC2
59
RF_ON
47
NI
_
X
R
14
PI
_
X
R
13
1
Q
A
F
3
FAQ2
28
GND
57
N
NI
_
00
8
1
M
S
G
34
P
NI
_0
0
81
M
S
G
35
GSM1900_INN
24
GSM1900_INP
25
GSM850_INN
21
1
P
C
2
2
P
C
30
1
D
L
O
H
_
P
C
1
2
D
L
O
H
_
P
C
29
DAC_REF 20
U600
C613
RFTX_2.85V
RFTX_2.85V
C612
L604
R604
L605
R602
C618
R621
C610
C628
C623
RFTX_2.85V
OSC_2.85V
C607
C602
R615
C624
L600
C603
C617
30
6
R
C616
R601
R600
C609
C627
C611
C600
R612
L607
R618
C601
R620
C625
UMTS_RX_VCO_IN
N
X
R
_
M
S
G
P
X
R
_
M
S
G
PCS_RXP
PCS_RXN
P
C_
D
O
M
O
C
V
X
T
O
X
C
T
TX_AGC_ADJ
UMTS_TXRF
E
N
U
T
_
O
C
V
SBCK
SBDT
SBST
RF_ON_TX_ON
MI
_
X
R
PI
_
X
R
M
Q
_
X
R
P
Q
_
X
R
TX_IM
TX_IP
TX_QM
TX_QP
N
X
R_
S
C
D
P
X
R_
S
C
D
VCO_TUNE
UMTS_RX_TUNE
DAC_REF