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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
3-37
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V_2.6P
V_2.85TX
C623
C624
C632
L602
L600
C616
R602
C639
L606
L607
C630
R605
C604
C620
R604
V_2.85TX
V_2.85OSC
C614
C641
C645
R606
C626
C638
R616
V_2.85OSC
C621
C608
C615
VDDA7
27
VDDA8
31
9
A
D
D
V
43
M
D
D
V
8
F
E
R_
E
N
U
T
V
VDDA15
54
VDDA16
56
VDDA17
5
2
A
D
D
V
7
3
A
D
D
V
10
4
A
D
D
V
15
5
A
D
D
V
23
VDDA6
26
VCONTROL
9
E
N
U
T
_
O
C
V
4
1
A
D
D
V
36
01
A
D
D
V
39
11
A
D
D
V
41
21
A
D
D
V
48
VDDA13
50
VDDA14
52
TX_IP
40
P
C_
D
O
M_
X
T
17
TX_QN
16
TX_QP
42
B
F
_
O
C
V_
X
T
53 UMTS1900_OUT
51
UMTS2100_OUT
55
UMTS800_OUT
49
P
Q_
X
R
32
NI
_
O
C
V_
X
R
33
S
AI
B_
R
44
SBCK
45
SBDT
46
SBST
6
O
X
C
T
19
TX_IN
18
N
NI
_
00
9
M
S
G
37
P
NI
_
00
9
M
S
G
58
NC1
59
NC2
47
RF_ON
14
NI
_
X
R
13
PI
_
X
R
12
N
Q_
X
R
11
FAQ2
57 GND
34
N
NI
_
00
81
M
S
G
35
P
NI
_
00
8
1
M
S
G
24
GSM1900_INN
25
GSM1900_INP
21
GSM850_INN
22
GSM850_INP
38
U601
2
1
P
C
30
2
P
C
1
1
D
L
O
H_
P
C
29
2
D
L
O
H_
P
C
20
DAC_REF
3
1
Q
A
F
28
C631
L605
L604
V_2.85TX
V_2.85TX
C603
L603
R620
C625
C609
C633
R613
C637
3
06
R
UMTS_RX_VCO_IN
O
X
C
T
TX_AGC_ADJ
UMTS_TXRF
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
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
E
N
U
T_
O
C
V
SBCK
SBDT
SBST
RF_ON_TX_ON
MI
_
X
R
PI
_
X
R
VCO_TUNE
UMTS_RX_TUNE
DAC_REF