Table of Contents
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5. Trouble shooting
WCDMA Tx Circuit Diagram
WCDMA Tx Circuit Diagram
S
W
1
0
0
1
2
0
2
7
9
0 -
0
1
E
0 -
1
G
1
C
1
0
0
1
1
8 .
n
H
G
2
A
N
T
C
1
0
1
1
C
1
0
0
3
D
I N
0
7 .
5
p
WCDMA Tx Circuit Diagram
WCDMA Tx Circuit Diagram
TP2
TP3
F
L
1
0
0
4
B
7
6
4
6
C
1
0
7
5
2
7
p
A
N
T
R
X
C
1
0
7
7
1
5 .
n
H
C
1
0
8
0
T
X
C
1
0
7
6
D
I N
4
7 .
n
H
G
N
D
1
G
N
D
6
G
N
D
2
G
N
D
5
G
N
D
3
G
N
D
4
C
1
0
8
6
C
1
0
8
1
p
1
5 .
p
TP9
F
L
1
0
0
7
C
1
1
0
4
1
8
p
A
N
T
R
X
C
1
1
0
6
1
0
p
C
1
1
0
9
T
X
C
1
1
0
5
D
I N
3
3
n
H
G
N
D
1
G
N
D
6
C
1
1
0
7
G
N
D
2
G
N
D
5
8
2 .
n
H
G
N
D
3
G
N
D
4
B
7
6
3
8
B
C
5
:
B
7
6
3
8
B
C
8
:
B
7
6
6
7
TP2
F
L
1
0
0
4
B
7
6
4
6
C
1
0
7
5
2
7
p
A
N
T
R
X
C
1
0
8
0
T
X
C
1
0
7
6
D
I N
4
7 .
n
H
G
N
D
1
G
N
D
6
G
N
D
2
G
N
D
5
G
N
D
3
G
N
D
4
TP9
F
L
1
0
0
7
C
1
1
0
4
1
8
p
A
N
T
R
X
C
1
1
0
9
T
X
C
1
1
0
5
D
I N
3
3
n
H
G
N
D
1
G
N
D
6
G
N
D
2
G
N
D
5
G
N
D
3
G
N
D
4
B
7
6
3
8
B
C
5
:
B
7
6
3
8
B
C
8
:
B
7
6
6
7
Table 1
Application
Application
Pout Levels
Pout Levels
≤ +16dBm
≤ +16dBm
WCDMA-low power
WCDMA-low power
WCDMA-high power
WCDMA-high power
Shutdown
Shutdown
LGE Internal Use Only
TP1
S
W
1
0
0
2
G
R
S
3
0
2
2 -
S
H -
2
2
E -
3
0
0
0
C
1
0
0
2
2
2
p
G
1
A
N
T
R
F
G
2
L
1
0
0
1
1
8
n
H
P
n i
1
1
o t
P
n i
4
L
n i
e
e l
n
g
h t
>
1
5
m
m
C
1
0
7
8
6
8
p
R
F
O
U
T
I _
M
T
V
E
N
I _
M
T
8
7
G
N
D
1
R
F
N I
I _
M
T
9
6
G
N
D
2
V
M
O
D
E
2
1
0
5
V
C
C
A
V
B
A
T
T
1
1
4
V
C
C
V
M
O
D
E
1
1
2
3
R
F
O
U
T
_
C
E
L
L
R
F
N I
_
C
E
L
L
1
3
2
G
N
D
3
V
E
N
_
C
E
L
L
1
4
1
7
C
1
0
8
8
P
G
N
D
1
5
1
0
0
0
p
C
1
0
8
9
A
W
T
6
2
2
2
R
U
1
0
0
7
6
8
p
B
C
1
+
5
:
A
W
T
6
2
2
2
B
C
1
+
8
:
A
W
T
6
2
2
4
TP10
C
1
1
1
5
D
I N
C
1
0
7
7
1
5 .
n
H
TP13
C
1
0
8
6
C
1
0
8
7
1
p
1
5 .
p
TP10
C
1
1
0
6
1
0
p
C
1
C
1
1
0
7
D
I N
8
2 .
n
H
P
n i
1
1
o t
P
n i
4
L
n i
e
e l
n
g
h t
>
1
5
m
R
F
O
U
T
I _
M
T
V
E
N
I _
M
8
G
N
D
1
R
F
N I
I _
M
9
G
N
D
2
V
M
O
D
E
1
0
V
C
C
A
V
B
A
T
1
1
V
C
C
V
M
O
D
E
1
2
R
F
O
U
T
_
C
E
L
L
R
F
N I
_
C
E
L
1
3
G
N
D
3
V
E
N
_
C
E
L
1
4
C
1
0
8
8
P
G
N
D
1
5
1
0
0
0
p
A
W
T
6
2
2
2
R
U
1
B
C
1
+
5
:
A
W
T
6
2
2
2
B
C
1
+
8
:
A
W
T
6
2
2
4
≤
≤
BIAS Mode
BIAS Mode
Low
Low
› +16dBm
› +16dBm
High
High
-
-
shutdown
shutdown
GM310f service manual
GM310f service manual
V
B
A
T
TP8
TP6
TP4
TP7
D
I N
D
I N
C
1
0
8
5
C
1
0
8
1
3
G
_
P
A
E
N
_
B
C
1
C
1
0
7
9
4
7
p
F
L
1
0
0
6
S
A
F
E
B
8
3
6
M
F
L
0
F
0
0
2
3
3
G
_
P
A
_
M
O
D
E
1
C
1
1
0
8
1
0
0
p
1
G
1
O
1
N I
G
2
O
2
3
G
_
P
A
E
N
_
B
C
5
_
8
5
4
C
1
1
1
1
C
1
1
1
0
D
I N
C
1
0
9
0
C
1
0
9
1
C
1
0
9
2
N
A
1
0
u
1
0
p
1
0
p
B
C
5
:
S
A
F
E
B
8
3
6
B
C
8
:
S
A
F
E
A
8
9
7
TP11
TP13
TP4
D
I N
D
I N
C
1
0
8
5
C
1
0
8
1
_
B
C
1
C
1
0
7
9
4
7
p
D
E
1
C
1
1
0
8
1
0
0
p
B
C
5
_
8
1
1
5
C
1
1
1
1
C
1
1
1
0
D
I N
N
A
TP11
m
TP8
TP6
T
3
G
_
P
7
T
6
2
5
T
4
1
3
G
_
P
3
L
2
L
3
G
_
P
1
C
1
0
8
9
C
1
0
9
0
C
1
0
9
1
C
1
0
9
2
0
0
7
6
8
p
1
0
u
1
0
p
1
0
p
TP13
Ven
Ven
Vmode1
Vmode1
(TP8, TP13)
(TP8, TP13)
(TP7)
(TP7)
+2.4V
+2.4V
+2.4V
+2.4V
+2.4V
+2.4V
0V
0V
0V
0V
0V
0V
- 114 -
Copyright © 2009 LG Electronics. Inc. All right reserved.
2
V
8
5
_
V
R
F
TP5
TP12
S
A
F
1
O
L
1
0
1
8
2
2
n
H
L
1
0
1
7
1
5
n
H
2
G
5
G
L
1
0
2
0
C
1
1
1
2
N
A
C
1
1
1
3
C
1
1
1
4
3
3
n
H
L
1
0
2
1
2
2
n
H
0
1 .
u
4
p
L
1
0
1
9
1
5
n
H
M
F
L
0
F
0
0
3
G
_
T
X
_
B
C
5
_
8
M
F
L
0
F
0
0
3
G
_
T
X
_
B
C
5
_
8
X
TP5
F
L
1
0
0
3
L
1
0
S
A
F
E
B
1
G
9
5
F
L
0
F
0
0
1
3
O
U
T
N I
1
C
1
0
8
2
D
I N
2
4
G
1
N I
2
L
1
0
5
G
2
F
L
1
0
0
6
L
1
0
1
7
S
A
F
E
B
8
3
6
M
F
L
0
F
0
0
2
3
G
1
O
1
1
C
1
1
1
2
N I
3
3
n
H
G
2
O
2
L
1
0
1
9
5
4
B
C
5
:
S
A
F
E
B
8
3
6
M
F
L
0
F
0
0
B
C
8
:
S
A
F
E
A
8
9
7
M
F
L
0
F
0
0
D
I N
C
1
0
8
5
A
E
N
_
B
C
1
TP7
A
_
M
O
D
E
1
A
E
N
_
B
C
5
_
8
C
1
1
N
A
Vbatt
Vbatt
Vcc
Vcc
(TP6)
(TP6)
≥ 3.2V
≥ 3.2V
3.2 – 4.2V
3.2 – 4.2V
≥ 3.2V
≥ 3.2V
3.2 – 4.2V
3.2 – 4.2V
≥ 3.2V
≥ 3.2V
3.2 – 4.2V
3.2 – 4.2V
Only for training and service purposes
F
L
1
0
0
3
L
1
0
0
9
3
9 .
n
H
E
B
1
G
9
5
F
L
0
F
0
0
3
U
T
N I
1
C
1
0
8
2
L
1
0
1
2
5
1 .
n
H
D
I N
4
1
N I
2
L
1
0
1
1
3
9 .
n
H
2
0
9
3
9 .
n
H
L
1
0
1
2
5
1 .
n
H
1
1
3
9 .
n
H
TP12
1
5
n
H
L
1
0
2
0
N
A
1
5
n
H
≥
≥
≥
≥
≥
≥
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Table of Contents
Troubleshooting
