LG KS660 Service Manual page 90

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4.10.4. Checking Transceiver Output Signals
TP1(LBNAD_PAM_IN)
TP1(LBNAD_PAM_IN)
TP2(HBNAD_PAM_IN)
L
B
A
N
D
_
P
A
M
_
N I
H
B
A
N
D
_
P
A
M
_
N I
TP2(HBNAD_PAM_IN)
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
R
4
0
8
C
4
3
7
1
0
0
2 .
2
u
1
V
5
_
V
R
F
2
V
8
5
_
V
R
F
R
4
0
9
1
0
C
4
3
8
C
4
3
9
2
2
0
n
0
1 .
u
Checking Points
MODE
Transceiver Output
GMSK
Fixed
8PSK
Ramp Burst Control
C
0
F
E
2
3
3
V
B
A I
S
3
4
V
D
D
T
X
1
V
5
V
D
D
R
X
2
V
8
3
5
2
0
T
X
1
V
D
D
R
X
1
V
5
U
4
0
2
3
6
1
9
R
4
0
7
T
X
2
V
C
O
_
R
C
P
M
B
6
2
7
2
3
7
1
8
8
2
0
V
D
D
T
X
2
V
8
V
D
D
V
C
O
2
V
8
3
8
1
7
V
D
D
M
X I
2
V
8
E
N
3
9
1
6
G
N
D
3
V
D
D
X
O
2
V
8
4
0
1
5
F
S
Y
S
1
1
4
G
N
D
4
G
N
D
1
4
1
1
3
TP1(LBNAD_PAM_IN)
- 91 -
4. TROUBLE SHOOTING
2
V
8
5
_
V
R
F
2
V
8
5
_
V
1
V
5
_
V
R
F
4
3
1
C
4
3
2
C
4
3
3
1 .
u
0
1 .
u
0
1 .
u
C
4
3
4
0
1 .
u
C
4
3
5
4
7
n
X
4
0
0
N
X
3
2
2
5
S
A
4
3
G
N
D
2
H
O
T
2
1
2
H
O
T
1
G
N
D
1
2
6
M
H
z
LGE Internal Use Only
R
F

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