LG -S310 Service Manual page 166

7. CIRCUIT DIAGRAM
16 15 14
L
FM Wireless ANTENNA
K
ANT700
FEED
ANT-VX9700
L700 L701
220n
J
ZD700
I
H
G
F
E
D
C
B
A
16 15 14
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
13 12 11 10
FM /BT BLOCK
FM Radio(LNA)
L703
FM_LNA_EN
22n
C701
1u
L702
FM_ANT_1
120n 82n
C700
56p
R701
24K
C725
FM_ANT_1
330p
R703
4.7K
FL700
ANT701
C714 100p
C715 3n 1 3
1
FEEDING IN OUT
2 4
GND1 GND2
2
NC
C718 2450MHz
C717
ALA321C3
100n
L704
DNI
1.8n
C721 1n L705 100n
FM_ANT
L706
100n
13 12 11 10
9 8 7 6
R700
5.1
R702
270
C702
3 FM_ANT
1 Q700
470n
2
C703
DNI
C704
470n
VBT_2V8
VBAT
BC7820(BC7ROM) Bluetooth + FM Radio
C712
C713
2.2u
0.1u
C716 6.8p
UART_RX D6
UART_TX D7
UART_RTS E6
E7
UART_CTS
B1 B7
BT_RF PCM2_IN
B5
PCM2_OUT
PCM2_SYNC C5
C1 VSS_BT_RF_BAL PCM2_CLK C6
E2 C719
AUDIO_OUT_L
E1 C720
AUDIO_OUT_R
F1 F3
FM_RX AUDIO_IN_L
AUDIO_IN_R E3 C726 DNI
C722
R705 470
27p H5
SLEEP_CLK
U700
F2 F4
VSS_FM_AUDIO VREG_ENABLE_RST#
XTAL_IN/SYS_CLK A3
A7
PIO_0
TP704
G3
PIO_2
H4
PIO_3
G4
PIO_5
D4
PIO_6
PIO_7 E4
AIO_1 B4
G1
FM_TX_P
B6
PIO_1
H6
PIO_4
H1
FM_TX_N
G6
PCM1_IN/SPI_MOSI
PCM1_OUT/SPI_MISO H7
PCM1_SYNC/SPI_CS# F5
PCM1_CLK/SIP_CLK G5
H3
SPI_PCM#_SEL
C723
18p
9 8 7 6
- 167 -
5 4 3 2
BT_UART_TX
BT_UART_RX
TP702
BT_UART_CTS
TP703
BT_UART_RTS
FM_REC_I2S_SDI
FM_REC_I2S_WS
FM_REC_I2S_CLK
1u
FM_AUDIO_L
1u
FM_AUDIO_R
100K
VBT_2V8
R704
BT_32K
BT_RESET
BT_VCXO_EN
TP705
BT_HOST_WAKEUP
BT_PCM_OUT
BT_PCM_IN
BT_PCM_SYNC
BT_PCM_CLK
2 1
3 4
DSX321G-26M X700
26MHz
C724
12p
5 4 3 2
1
L
K
J
I
H
G
F
E
D
C
B
A
1
LGE Internal Use Only