LG KS660 - Page 105

- 106 -
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
4.12.4. Checking Transceiver Output Signals
Transceiver Output Circuit
Checking Points
Transceiver Output
Ramp Burst Control 8PSK
Fixed GMSK
Transceiver Output MODE
TP1(LBNAD_PAM_IN)
TP2(HBNAD_PAM_IN)
TP1(LBNAD_PAM_IN)

5
3
4
C
n
7
4
FRV_58V2
FRV_58
V
2
u1.0
434C
n022
8
3
4
C
u1.
0
1
3
4C
1
TO
H
2TOH
3
234
C
u1.
0
zHM62
A
S
5
2
2
3
X
N
0
0
4
X
2
1DN
G
2DNG
4
1
u1.0
3
34C
9
34C
u1.0
FR
V
_
5
8
V
2
F
R
V
_
5V1
9
0
4
R
0
1
u
2
2
.
0
734C
VDDBIAS2V8
31
VDDDIG1V5
8 5
VDDDIG2V8
VDDLNA1V5
21
9
3
8V2X
I
M
D
D
V
9
1
5V1
X
RD
D
V
8
V
2
X
R
D
D
V
0
25
3
5
V
1
XT
D
D
V
8
V
2
XTDDV
8
371
8
V
2OCVD
D
V
5
1
8
V
2
O
X
D
D
V
11
XO XOX
12
1
D
NG
31
26
GND2
3
D
N
G
04
1
4
4
D
N
G
RX1
29 30
RX1X
RX2
27 28
RX2X
24
RX3
RX3X
25 22
RX4
RX4X
23
1X
T
63
2
XT
7
3
S
AI
B
V
4
3
81
C
R
_O
C
V
1
A AX
2 3
B BX
4 7
CLK DA
6
N
E
6
1
32
FE1
3
3
2
EF
1
S
Y
S
F
41
FSYS2
10
9
FSYS3
272
6
BM
P
2
0
4
U
8
0
4
R
01
0
2
8
F
R
V
_
5
V
1
7
0
4R
N
I
_
M
A
P
_
D
N
ABH
N
I
_
M
A
P
_
D
N
ABL
TP1(LBNAD_PAM_IN)
TP2(HBNAD_PAM_IN)