LG U8210 Service Manual page 195

8. CIRCUIT DIAGRAM
BLUETOOTH
L507
16
ANT
1.5nH
13
NC
2
LDO1
3
LDO2
2.2u 1u
1608
VREG_MSMP_2.6V
Tx_IrDA
UART_TXM
IrDA_EN
UART_TXD
U407
1
VREG_USIM_2.85V
2
USIM_P_RST_N
3
USIM_P_CLK
4
11
12
KPD9D-8S-2.54SF
USIM_P_DATA
VREG_USIM_2.85V
RCLAMP0504F
VREG_MSMP_TCXO
VREG_BT_2.85V
VREG_MSMP_TCXO
IrDA_SD
RX_IrDA
U406
TX_IrDA
6
SBST BT_SBST
10
BT_SBCK
SBCK
11
BT_SBDT
SBDT
5
SYNC_DET_TX_EN BT_TX_RX_N
8
RX_BB_TX_BB BT_DATA
C406 1000p
4
XTAL_IN TCXO_BT
9
BT_CLK
CLK_REF
RB06A
U603
NLAS4684MR2
VREG_MSMP_2.6V
1 10
Rx_IrDA
V+ NO2
2 9
UART_RXM
NO1 COM2
3 8
IrDA_EN
COM1 IN2
4 7
UART_RXD CAM_SENSE
IN1 NC2
5 6
NC1 GND
USIM
R611
VREG_MSMP_2.6V
15K
5
P1 P5
6
FOLDER_DETECT
P2 P6
R405
7
P3 P7 USIM_P_DATA
8
P4 P8 51
9
GND3 GND1
10
GND4 GND2
U408
USB_D-
6 1
USIM_P_CLK
5 2
USB_VBUS
4 3
USIM_P_RST_N
IRDA
U405
VREG_MSMA_2.6V
RPM840-H11
7
GND
R404
6
VCC
4.7
5
SD
4
RXD
8
SHIELD
3
TXD
2
TX-RC
MIC1
1
LEDA
OBG-415S42-C1033
UCLAMP0505A
4
5
6
CAM_SENSOR
TR400
R403
A3212ELH
VDD
GND
62
OUT
C405 C403
MICBIAS_LDO_1.8V
0.1u 10p
VREG_MSMP_2.6V
MIC2P
FOLDER DETECT MIC2N
33u
HEADPHONE_L
HEADPHONE_R
U604 0
EAR_SENSE*
R616 A3212ELH
MULTI_ADC
VDD
62 KEY_ROW(0)
GND
OUT KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_COL(6)
C612 C639
0.1u 10p
C654
39p
U404
6 1
USB_D+
5 2
4 3
RCLAMP0504F
- 196 -
MIC
U400 SI91841DT-18-T1
1 5
VIN VOUT MICBIAS_LDO_1.8V
2
GND
3 4
MICBIAS
_SD BP
1u
C400 C402
C625
1u 0.01u
22n C401
1
MIC1P
2
MIC1N
22n C404
C619 C618
39p 39p
3
2
1
U401
EAR JACK
10K R625
To prevent from
CN304
13
TDMA noise.
22n C102 15
1
R640 600
C115 2
22n
R641 600 3
C626 4
33u C627 5
R624
6
7
8
9
10
11
12
14
16
VA8
C653
39p
AVLC14S02050
D503
D599