LG KF750 Service Manual page 170
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- User manual (266 pages) ,
- Quick reference manual (226 pages) ,
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4.21.4 Checking Control Signal
Test Program Script
MODE=0
SWTX=1,64,7
TP22_RF
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
RF3000
Figure 4-14. Test points of RF control signals
1
G
N
D
A
5
2
A
M
M
O
D
3
G
N
D
A
7
4
U
T
X
H
B
5
G
N
D
A
9
6
R
F
3
0
0
0
_
S
T
R
7
D
A
T
A
8
C
L
K
9
T
E
S
T
O
U
T
1
0
M
C
K I
R
E
Q
T
P
1
0
0
- 171 -
4. TROUBLE SHOOTING
RF_CTRL_CLK
RF_CTRL_DAT
RF_CTRL_STR
3
0
G
N
D
A
6
2
9
R
X
9
0
0
N
2
8
R
X
9
0
0
P
2
7
1
0
2
G
N
D
A
8
2
6
R
X
8
0
0
P
2
5
O
M
6
1
9
1
H
N
R
X
8
0
0
N
2
4
V
C
C
A
2
3
G
N
D
A
1
0
2
2
D
A
T
A
C
2
1
D
A
T
A
S
T
R
(PIN8)
A(PIN7)
B (PIN6)
LGE Internal Use Only
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Troubleshooting
