3.24 PAM Schematic
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3. TECHNICAL BRIEF
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
2
3
6
C
RSVD1
4
RSVD2
12
VBATT
5
VRAMP
6
p
9
3
32
GND20
31
GND21
30
GND22
29
GND23
GND24
28
GND25
27
GND3
13
GND4
11
GND5
10
17
GND6
18
GND7
19
GND8
20
GND9
GSM_IN
7
GSM_OUT
9
MODE
1
BS
3
DCS_PCS_IN
2
DCS_PCS_OUT
16
EN
8
GND1
15
21
GND10
22
GND11
23
GND12
24
GND13
GND14
25
GND15
26
36
GND16
35
GND17
34
GND18
33
GND19
GND2
14
SMPY0012301
SKY77340
U600
u
1
1
3
6
C
p
9
3
1
2
6
C
5
2
6
C
I
N
D
I
N
D
6
2
6
C
K
2
2
0
0
6
R
7
4
4
0
6
R
3
3
6
C
p
7
2
H
n
1
4
0
6
L
I
N
D
4
2
6
C
2
2
6
C
7
4
3
0
6
R
p
9
3
I
N
D
1
1
6
C
VSUPPLY
p
0
0
1
0
1
6
C
7
4
5
0
6
R
9
1
6
C
p
9
3
p
0
0
1
3
1
6
C
F
u
3
3
8
2
6
C
H
n
2
2
9
0
6
L
7
4
2
0
6
R
0
2
6
C
p
9
3
3
2
6
C
I
N
D
2
1
6
C
I
N
D
7
2
6
C
I
N
D
4
1
6
C
p
8
6
1
0
6
R
K
0
1
L
E
V
E
L
_
A
P
A
P
_
N
O
X
T
D
N
A
B
_
A
P
E
D
O
M
_
A
P
N
I
_
M
A
P
_
D
N
A
B
H
N
I
_
M
A
P
_
D
N
A
B
L
P
M
E
T
_
F
R
Figure 30 PAM schematic