
- 118 -
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. Trouble Shooting
4.11.3 Bluetooth RF path
Check Power level
at BT IC Output (C215)
with Spectrum Analyzer
TP1: Range
0 ~ 4dBm ?
No
Yes
Replace BT Chip (U201)
Replace ANT201
start
TP1
TP1
F
R
_
T
B
_
S
S
V
1
C
3
4
0
7
-
T
B
0
5
4
2
1
2
A
E
D
1
0
2
L
F
6
3
2
4
1
5
P
B
_
U
1
P
B
C
D
_
P
B
2
P
B
G1
G2
7
5
L
F
H
0
5
4
2
S
C
A
1
0
2
T
N
A
D
E
E
F
Y
M
M
U
D
F
R
_
T
B
_
S
S
V
F
R
_
T
B
_
S
S
V
1.
5n
L2
0
2
I
N
D
4
1
2
C
p
2
.
1
5
1
2
C
TP1