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Flow Chart of Troubleshooting
7-38
WCDMA RX PART
C817
L806
4
5
V
D
D
A
8
V
D
D
M
4
1
VDDRF1
3
V
D
D
R
F
2
1
9
VDDRF3
12 25
UMTS_TUNE
VDDA1
7
V
D
D
A
2
2
4
VDDA3
26
VDDA4
27
VDDA5
32
VDDA6
34
VDDA7
36
2
0
R
X
_
IP
R
X
_
Q
M
2
3
R
X
_
Q
P
2
2
R
_
B
IA
S
4
6
S
B
C
K
4
2
S
B
D
T
4
3
S
B
S
T
4
4
TCXO
33
5
0
N
C
1
N
C
2
5
1
P
L
N
A
_
B
IA
S
1
5
P
L
N
A
_
IN
1
6
P
L
N
A
_
O
U
T
1
3
PMIXM
10
PMIXP
11
R
X
_
IM
2
1
3
7
G
R
X
_
Q
M
G
R
X
_
Q
P
3
8
IL
N
A
_
B
IA
S
1
7
IL
N
A
_
IN
1
8
IL
N
A
_
O
U
T
1
4
IMIXM
8
IMIXP
9
LO_OUT
28
1
GLNA_OUT
GMIXM
5
GMIXP
6
GND1
4
G
N
D
2
4
9
GPS_TUNE
35
G
R
X
_
IM
3
9
G
R
X
_
IP
4
0
BLANK
2
CP_DUMP
29
CP_OUT
30
FAQ
31
G
L
N
A
_
B
IA
S
4
8
G
L
N
A
_
IN
4
7
U801
C816
R800
C821
L805
C820
C834
L808
C832
L803
C819
C822
C826
C829
C833
C837
C836
R
8
0
2
C828
R804
R803
L804
C823
C835
C831
L807
C825
VREG_RFRX_2.8V
UMTS_RXP
UMTS_RXM
VREG_RFRX_2.8V
S
B
S
T
VREG_MSMP_2.6V
VREG_TCXO_2.8V
TCXO
R
X
_
Q
P
R
X
_
Q
M
R
X
_
IP
R
X
_
IM
ULNA_IN
ULNA_OUT
S
B
D
T
S
B
C
K
L
8
0
1
C805
C800
C802
2
GG
5
IN
1
OUT
3
4
OUT
L800
F800
C813
C801
C811
C806
5
RX
11 TX
G
1
0
G
2
23
G
3
G
4
46
G
5
G
6
79
G
7
10
G
8
G
9
12
DUF801
SFXG50KC701
ANT
8
1
G
1
13
L802
C807
0.5PF
C812
ULNA_IN
ULNA_OUT
UMTS_RXP
UMTS_RXM
UMTS_ANT