LG U310 Service Manual page 62

MSM6250A BLK
AUDIO
Near to MSM
Head Set Jack BLK
CN501
MMI_CONNECTOR
21
19
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
20
22
MIC_Feedback
MICFBP
MICINN
MICOUTP
MICOUTN
MICINP
MICFBN
EAR_MIC2P
R524
R526
C537 33u
0
C538 33u
0
C542
1 2
IN OUT
3 4
G1 G2
NFM21PC105B1A3
- 63 -
3. TECHNICAL BRIEF
C200 0.1u C201 0.1u
C202
R207
470K
C212
C213 0.1u C214
MICBIAS
R511
VREG_MSMP_2.7V
NA
C528
0.01u
R516
5
VIN- 4
VCC 1
10K
HOOK_SENSE_H
VIN+ 3 OUT
GND
2 U506
LMV7291MGX-NOPB
MIC2P
R521
VREG_MSMP_2.7V
51K
MIC2N
EAR_MIC2P
HPL_L
HPL_R
USB_D+
USB_D-
EAR_SENSE_N
VBATT
R529 1K
PM_ON_SW_N
+5V_PWR
USB_VBUS
UART_TXD
UART_RXD
R205
180K
0.015u
0.015u
0.1u R210
180K