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5. Trouble shooting
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
5.15.5 Checking PAM Control Signals
RSVD1
4
VBATT
5
VRAMP
6
SM_IN
7
MODE
1
BS
3
PCS_IN
2
8
5
2
6
C
I
N
D
I
N
D
6
2
6
C
7
4
4
0
6
R
I
N
D
4
2
6
C
2
2
6
C
7
4
3
0
6
R
p
9
3
p
0
0
1
0
1
6
C
7
4
5
0
6
R
p
0
0
1
3
1
6
C
7
4
2
0
6
R
3
2
6
C
I
N
D
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
TXON_PA
PA_LEVEL
MODE
MODE
TP3(PA MODE)
TP2(TXON PA)
TP1(PA LEVEL )
Figure 25. Transceiver Output
Figure 24. PAM Control Signals
Table 4. PAM Mode Operation
Checking Points
MODE
MODE
PA_LEVEL
TXON_PA
GMSK
LOW
Ramp Burst Control
HIGH
8PSK
HIGH
Control Amp bias
HIGH
TP2(TXON PA)
TP3(PA_MODE)
TP1(PA LEVEL)
Содержание KP500
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