LG U310 Service Manual page 148

7. Circuit Diagram
DAUGHTER B-TO-B
TCXO_OUT
VREG_BT_2.85V
BT_SBST
BT_SBCK
BT_SBDT
14-5087-020-230-861
BACK_UP BATTERY
V_BACK_UP
VREG_MSMP_2.7V
CON702
1 20
CAM_SENSE
2 19
3 18
V_BACK_UP
4 17
VREG_MSMP_2.7V
5 16
6 15
BT_TX_RX_N CAM_SENSE
7 14
BT_DATA
8 13
9 12
10 11
BT_CLK
VREG_BT_2.85V
BAT700
C709
0.1u
ML414RH-F9CE
VA701
EVLC14S02050
C710 1000p
TCXO_OUT
CAM_SENSE
R709
U705
MRSS32W_L
62
VCC
GND
OUT
C721 C720
0.1u 10p
ANT700
BLUETOOTH
NC1
FEED NC2
KYOCERA
SNMF0012601
R704
0
C700 C750
NA
0.5p
U703
RB04
R700 0 6 9
BT_SBST SBST CLK_REF
R701 0 10
BT_SBCK SBCK
R711 R702 0
11 12
BT_SBDT SBDT VDD_MSM
5
10K BT_TX_RX_N SYNC_DET_TX_EN
R703 0
8 14
BT_DATA RX_BB_TX_BB VDD_A
C711 1000p
4 2
XTAL_IN LDO1
13 3
NC LDO2
- 149 -
BT_CLK
VREG_MSMP_2.7V
VREG_BT_2.85V
C701 C702 C703 C704 C705 C706 C707 C708
1u 1u 1u 33p 1u 33p
0.01u 0.01u
U310
SUB
U310_REV_1.0
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