LG U250 Service Manual page 63

3. TECHNICAL BRIEF
MSM6245 CODEC pins
VREG_MSMP_2.7V
C400
0.1u
5
4 VIN-
1
VCC
HOOK_KEY
OUT 3 VIN+
GND
2
U400
NCS2200SQ2T2G
EAR_SENSE_N
AUDIO
Near to MSM
C200 47p
C201 47p
C204
10p
SDCC_DAT2_GPIO100
Figure 1.25 Audio part schematics
2.2K
MICBIAS
R400
R401
5.1K
R403
VREG_MSMP_2.7V
51K
10K
R404
MIC2N
MIC2P
HPH_L
HPH_R
USB_D+
USB_D-
VBATT
Figure 1.26 Audio part schematics
Place near
C212
MSM pin W18
0.1u
10% (CODEC VSS)
F25
SDCC_DAT1_GPIO99
M25
M26
I/O CONNECTOR
C401 33u R406
C402 33u R407 100ohm
- 64 -
CN401
HSEJ-18S04-25R
21
19
1
2
3
100ohm
4
5
6
7
8
9