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Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
ʹΠΡΪΣΚΘΙΥ͑ι ͣͨ͑͡͡ͽ͑ͶΝΖΔΥΣΠΟΚΔΤ͑͟ͺΟΔ͑͑͟ͲΝΝ͑ΣΚΘΙΥ͑ΣΖΤΖΣΧΖΕ͑͟
ΟΝΪ͑ΗΠΣ͑ΥΣΒΚΟΚΟΘ͑ΒΟΕ͑ΤΖΣΧΚΔΖ͑ΡΦΣΡΠΤΖΤ
ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ
100/140
4. TROUBLE SHOOTING
4.17 FM Radio Trouble
TEST POINT
CIRCUIT
TP1
TP2
TP3
TP4
TP5
Figure 4.17.1
TP1
TP2
TP3
TP4
TP5
TP6
CN202
15
13
11
9
7
5
4
3
2
1
14
12
10
8
6
L201
270n
D210
DNI
1u
C223
10p
C241
FM_ANT
TP1
1u
C313
1u
C305
VIO
VBAT
VIO
3.3p
C312
100K
R304
C322
3.3p
R305
0
10K
R306
100n
C314
100K
R307
1u
C306
1n
C304
U301
SI4704-D50-GMR
12
61
71
81
91
02
11
12
13
14
15
01
9
8
7
6
5
4
3
2
1
NC1
FMI
RFGND
LPI
RST_
_
NE
S
KL
CS
OI
DS
KL
C
R DV
DOUT
LOUT
ROUT
GND
VA
2
C
N
1
OP
G
_T
NI
_2
0P
G
KL
C
D_
3
OP
G
SF
D
G
UL
S_
G
R308
0
FM_32K
FM_AUDIO_L
T
NI
_
MF
FM_RST
FM_AUDIO_R
1
A
D
S_
C2I
1L
C
S_
C2I
TP2
TP4
TP5
TP
Содержание LG-A155
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