3. TROUBLE SHOOTING
- 26 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
+2V75_VREG_L14
Y
ANT
RX
TX
GND1
GND6
GND2
GND5
GND3
GND4
Y
Y
Y
Y
Y
Y
Y
ANT
COMMON
G3
G4
Y
RX}_}ylnsXW
Y
Y
Y
TRX1
NC2
NC3
NC4
GND2
TXHB
TXLB
ANT
TRX2
NC1
TRX3
TRX6
TRX5
SCLK
TRX4
SDAT
A
GND1
VI
O
VD
D
GND3
GND4
Y
Y
Y
Y
Y
ANT
RX
TX
GND1
GND6
GND2
GND5
GND3
GND4
Y
Y
ANT
RX
TX
GND1
GND6
GND2
GND5
GND3
GND4
IN
Termination_Port
GND1
GND2
OUT
Coupling
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4
2
5
3
6
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21
20
7
8
6
9
5
10
4
3
11
2
12
1
19
18
17
16
15
14
13
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7
5
8
4
9
2
3
1
6
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2
1
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2
1
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Y
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Y
Z
X
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Z
Y
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1
2
ku
p
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2
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2
1
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7
5
8
4
9
2
3
1
6
sXXX\
ku
p
2
1
Y
Y
Y
Y
ANT
COMMON
G3
G4
Y
Y
IN
Termination_Port
GND1
GND2
OUT
Coupling
Y
tjTjWWWWYTX[GaGlzkGwGj
GOGkntzGnGP
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X
jXXY_
ZZ
jXXY[
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ku
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2
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2
1
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2
1
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4
3
2
1
kup
jXXY^
1
2
msXXW^
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Z
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Y
[
X
TP6
TP5
TP1
TP2
TP3
TP7
TP4