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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
5. Trouble shooting
GM310f service manual
≥
≥
≥
≤
≥
≥
≥
≤
WCDMA Tx
Circuit Diagram
WCDMA Tx
Circuit Diagram
GM310f service manual
Table 1
≥
3.2V
3.2 – 4.2V
0V
0V
shutdown
-
Shutdown
≥
3.2V
3.2 – 4.2V
0V
+2.4V
High
› +16dBm
WCDMA-high power
≥
3.2V
3.2 – 4.2V
+2.4V
+2.4V
Low
≤
+16dBm
WCDMA-low power
Vbatt
(TP6)
Vcc
Vmode1
(TP7)
Ven
(TP8, TP13)
BIAS Mode
Pout Levels
Application
≥
3.2V
3.2 – 4.2V
0V
0V
shutdown
-
Shutdown
≥
3.2V
3.2 – 4.2V
0V
+2.4V
High
› +16dBm
WCDMA-high power
≥
3.2V
3.2 – 4.2V
+2.4V
+2.4V
Low
≤
+16dBm
WCDMA-low power
Vbatt
(TP6)
Vcc
Vmode1
(TP7)
Ven
(TP8, TP13)
BIAS Mode
Pout Levels
Application
WCDMA Tx Circuit Diagram
WCDMA Tx Circuit Diagram
H
n
8
.
1
1
0
0
1
C
T
N
A
1
G
2
G
1
0
0
1
W
S
1
0
-
E
1
0
0
-
9
7
2
0
2
3
0
0
1
C
p
5
7
.
0
I
N
D
1
1
0
1
C
H
n
8
1
1
0
0
1
L
p
2
2
2
0
0
1
C
0
0
0
3
E
-
2
2
H
-
S
2
-
2
0
3
S
R
G
2
0
0
1
W
S
T
N
A
1
G
2
G
F
R
TP1
0
0
F
0
L
F
M
7
9
8
A
E
F
A
S
:
8
C
B
4
2
2
6
T
W
A
:
8
+
1
C
B
0
0
F
0
L
F
M
6
3
8
B
E
F
A
S
:
5
C
B
m
m
5
1
>
h
t
g
n
e
l
e
n
i
L
4
n
i
P
o
t
1
1
n
i
P
2
2
2
6
T
W
A
:
5
+
1
C
B
p
0
0
0
1
8
8
0
1
C
2
D
N
G
3
D
N
G
4
1
5
1
D
N
G
P
L
L
E
C
_
N
I
F
R
2
T
M
I
_
N
I
F
R
6
3
1
L
L
E
C
_
T
U
O
F
R
8
T
M
I
_
T
U
O
F
R
T
T
A
B
V
4
2
1
C
C
V
A
C
C
V
1
1
1
L
L
E
C
_
N
E
V
7
T
M
I
_
N
E
V
1
E
D
O
M
V
3
5
2
E
D
O
M
V
7
0
0
1
U
R
2
2
2
6
T
W
A
1
D
N
G
9
0
1
p
0
1
1
9
0
1
C
9
8
0
1
C
p
0
1
p
8
6
2
9
0
1
C
p
8
6
8
7
0
1
C
0
9
0
1
C
u
0
1
T
A
B
V
1
D
N
G
2
D
N
G
4
D
N
G
3
D
N
G
5
D
N
G
6
D
N
G
X
R
X
T
6
4
6
7
B
4
0
0
1
L
F
T
N
A
p
7
4
9
7
0
1
C
F
R
V
_
5
8
V
2
1
O
3
2
O
4
p
4
4
1
1
1
C
0
0
F
0
L
F
M
6
3
8
B
E
F
A
S
6
0
0
1
L
F
2
1
G
2
G
5
N
I
1
A
N
0
2
0
1
L
3
1
1
1
C
u
1
.
0
H
n
2
2
8
1
0
1
L
H
n
2
2
1
2
0
1
L
H
n
5
1
9
1
0
1
L
H
n
5
1
7
1
0
1
L
2
8
0
1
C
I
N
D
5
8
0
1
C
I
N
D
1
8
0
1
C
I
N
D
I
N
D
0
8
0
1
C
6
7
0
1
C
H
n
7
.
4
p
7
2
5
7
0
1
C
H
n
3
3
2
1
1
1
C
p
0
0
1
8
0
1
1
C
A
N
1
1
1
1
C
0
1
1
1
C
I
N
D
3
0
0
1
L
F
0
0
F
0
L
F
5
9
G
1
B
E
F
A
S
1
G
2
5
2
G
3
1
N
I
2
N
I
4
1
T
U
O
H
n
1
.
5
2
1
0
1
L
H
n
5
.
1
7
7
0
1
C
7
8
0
1
C
p
1
6
8
0
1
C
p
5
.
1
H
n
9
.
3
1
1
0
1
L
H
n
9
.
3
9
0
0
1
L
8
_
5
C
B
_
N
E
A
P
_
G
3
8
_
5
C
B
_
X
T
_
G
3
X
8
_
5
C
B
_
X
T
_
G
3
1
E
D
O
M
_
A
P
_
G
3
1
C
B
_
N
E
A
P
_
G
3
8
3
6
7
B
:
5
C
B
7
6
6
7
B
:
8
C
B
9
0
1
1
C
I
N
D
H
n
3
3
5
0
1
1
C
p
8
1
4
0
1
1
C
1
D
N
G
2
D
N
G
4
D
N
G
3
D
N
G
5
D
N
G
6
D
N
G
X
R
X
T
8
3
6
7
B
7
0
0
1
L
F
T
N
A
5
1
1
1
C
I
N
D
p
0
1
6
0
1
1
C
H
n
2
.
8
7
0
1
1
C
1
D
N
G
2
D
N
G
4
D
N
G
3
D
N
G
5
D
N
G
6
D
N
G
X
R
X
T
6
4
6
7
B
4
0
0
1
L
F
T
N
A
I
N
D
0
8
0
1
C
6
7
0
1
C
H
n
7
.
4
p
7
2
5
7
0
1
C
H
n
5
.
1
7
7
0
1
C
7
8
0
1
C
p
1
6
8
0
1
C
p
5
.
1
p
7
4
9
7
0
1
C
5
8
0
1
C
I
N
D
1
8
0
1
C
I
N
D
1
C
B
_
2
8
0
1
C
I
N
D
3
0
0
1
L
F
0
0
F
0
L
F
5
9
G
1
B
E
F
A
S
1
G
2
5
2
G
3
1
N
I
2
N
I
4
1
T
U
O
H
n
1
.
5
2
1
0
1
L
H
n
9
.
3
1
1
0
1
L
H
n
9
.
3
9
0
0
1
L
8
3
6
7
B
:
5
C
B
7
6
6
7
B
:
8
C
B
9
0
1
1
C
I
N
D
H
n
3
3
5
0
1
1
C
p
8
1
4
0
1
1
C
1
D
N
G
2
D
N
G
4
D
N
G
3
D
N
G
5
D
N
G
6
D
N
G
X
R
X
T
8
3
6
7
B
7
0
0
1
L
F
T
N
A
5
1
1
1
C
I
N
D
p
0
1
6
0
1
1
C
H
n
2
.
8
7
0
1
1
C
0
0
F
0
L
F
M
7
9
8
A
E
F
A
S
:
8
C
B
0
0
F
0
L
F
M
6
3
8
B
E
F
A
S
:
5
C
B
1
O
3
2
O
4
0
0
F
0
L
F
M
6
3
8
B
E
F
A
S
6
0
0
1
L
F
2
1
G
2
G
5
N
I
1
A
N
0
2
0
1
L
H
n
5
1
9
1
0
1
L
H
n
5
1
7
1
0
1
L
H
n
3
3
2
1
1
1
C
p
0
0
1
8
0
1
1
C
A
N
1
1
1
1
C
0
1
1
1
C
I
N
D
8
_
5
C
B
1
E
D
TP2
TP3
TP9
TP10
TP8
TP7
TP13
TP6
TP4
TP11
TP12
TP5
TP5
TP4
TP13
TP2
TP9
TP10
TP11
TP12
4
2
2
6
T
W
A
:
8
+
1
C
B
m
m
5
1
>
h
t
g
n
e
l
e
n
i
L
4
n
i
P
o
t
1
1
n
i
P
2
2
2
6
T
W
A
:
5
+
1
C
B
p
0
0
0
1
8
8
0
1
C
2
D
N
G
3
D
N
G
4
1
5
1
D
N
G
P
L
L
E
C
_
N
I
F
R
2
T
M
I
_
N
I
F
R
6
3
1
L
L
E
C
_
T
U
O
F
R
8
T
M
I
_
T
U
O
F
R
T
T
A
B
V
4
2
1
C
C
V
A
C
C
V
1
1
1
L
L
E
C
_
N
E
V
7
T
M
I
_
N
E
V
1
E
D
O
M
V
3
5
2
E
D
O
M
V
7
0
0
1
U
R
2
2
2
6
T
W
A
1
D
N
G
9
0
1
p
0
1
1
9
0
1
C
9
8
0
1
C
p
0
1
p
8
6
2
9
0
1
C
0
9
0
1
C
u
0
1
5
8
0
1
C
I
N
D
A
N
1
1
C
8
_
5
C
B
_
N
E
A
P
_
G
3
1
E
D
O
M
_
A
P
_
G
3
1
C
B
_
N
E
A
P
_
G
3
TP8
TP6
TP7
TP13
Содержание GM310
Страница 1: ...Service Manual Model GM310 Internal Use Only Service Manual GM310 Date April 2009 Issue 1 0 ...
Страница 141: ... 142 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 159: ... 160 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...