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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. Technical Brief
Figure 21. Bluetooth / FM Radio Circuit Diagram
C448
100P
SDBTPTR3015
ANT400
2
3
1
4
DUMMY3
FEED
DUMMY2
DUMMY1
C450 1.5p
DNI
C402
C426
DNI
100P
C427
R408
DNI
C428
100p
2V65_VBT
VBAT
1U
C430
M400
EWFNLBAXX
9
2
6
2
4
2
3
2
7
2
2
2
5
2
7
1
1
2
42
41
40
39
2
31
38
20
3
12
4
7
5
9
1
8
10
33
11
15
16
32
6
4
1
4
3
3
1
5
3
8
2
7
3
6
3
0
3
9
1
8
1
N
L
A
T
X
P
L
A
T
X
K
L
C
_
P
E
E
L
S
T
T
A
B
V
V
3
R
D
D
V
F
T
D
D
V
T
B
G
E
R
V
OI
V
L
T
C
_
G
E
R
V
0
M
T
BT_ANT
FM_ANT
VAFL
VAFR
UART_CTS
RESET
UART_TX
UART_RTS
GND1
UART_RX
GND2
GND3
PCM_SYNC_I2S_WS
GND4
PCM_CLK_I2S_CLK
GND5
PCM_OUT_I2S_OUT
GND6
PCM_IN
PGND1
PGND2
PGND3
PGND4
0
OI
P
G
1
OI
P
G
2
OI
P
G
5
OI
P
G
6
OI
P
G
4
OI
P
G
_
A
5
OI
P
G
_
A
6
OI
P
G
_
A
7
OI
P
G
_
A
TP400
TP401
R409
DNI
0
1
4
RI
N
D
C438
1U
0
0
4
B
F
C439
100n
1n
C441
1U
C443
U
1
4
4
4
C
2V62_VIO
2
0
4
P
T
3
0
4
P
T
4
0
4
P
T
TP405
TP406
C447
1n
BT_LDO_EN
I2S1_CLK
T
NI
_
B
B
D
UART_BT_RTS
UART_BT_CTS
CLK32K
UART_BT_TX
UART_BT_RX
I2S1_WA0
I2S1_TX
I2S1_RX
BT_RESETN
FM_SND_L
FM_SND_R
FM_ANT
BT_CLK
T
NI
_
T
B
N
E
_
O
X
C
V
_
T
B
Содержание AR140B
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