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LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ
67/140
67/140
67/136
(2) Checking Mobile SW &FEM
4. TROUBLE SHOOTING
TEST POINT
CIRCUIT
Figure 4.2.4
CONTROL LOGIC
EGSM Rx
VLOGIC
Tx_EN
BS1
BS2
TP2
TP1
TP3
TP4
TP5_TXRAMP
TP5
56p
C366
U304
12
11 01 9 8 7
13
6
14
5
15
4
16
3
17
2
81
1
91 02 12 22 32
G
UL
S_
D
N
G
P
M
A
R
V
EL
B
A
N
E_
XT
0L
RT
C
P
G
1L
RT
C
P
G
GND1
TT
A
B
V
GND2
GPCTRL2
RFIN_LB
GND9
GND3
GND8
RFIN_HB
ANT
GND4
RX4
5
D
N
G
6
D
N
G
7
D
N
G
1
X
R
2
X
R
RX3
5.6n
C334
DNI
L315
18n
L306
C332
100u
22p
C367
C340
5.6n
DNI
C376
3.3n
L302
L303
3.3n
SAWEN881MBK0F00
FL308
10
5
6
3
7
2
9
4
8
1
IN_881_5
OUT_881_5
IN_942_5
OUT_942_5
GND1
GND2
GND3
GND4
GND5
GND6
33p
C368
C369
33p
33p
C370
33p
C331
L312
6.8n
1n
L301
12n
L308
VBAT
C341
1p
R319
1K
C344
10n
39p
C345
6.8n
L311
C371
33p
DNI
C348
SAWEN1G84BK0F00
FL307
10
5
6
3
7
2
9
4
8
1
IN_1842_5
OUT_1842_5
IN_1960
OUT_1960
GND1
GND2
GND3
GND4
GND5
GND6
DCS_PCS_OUT
GSM_OUT
RX12X
RX12
TX_EN
BS1
BS2
VLOGIC
RX34
RX34X
TX_RAMP
GSM850
EGSM
DCS
PCS
DCS
PCS
GSM850
EGSM
TP5
TP4
TP1
TP2
TP
Содержание LG-A130
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