LG U300 Service Manual page 60

MSM6250A Block
AUDIO
Near to MSM
Head Set Jack Block
R507
2.2K
CN501
13
15
17
1
2
3
4
5
6
7
8
9
10
11
12
14
16
C521
18
10p
C-1827541
MIC2N
C201
MIC2P
10p
C202
10p
Near to MSM
10u C513
VREG_MSMP_2.7V
R510 10K
R511
R514 2.2K
C515 33u R516 0
C516 33u R517 0
C523
10p
- 61 -
3. TECHNICAL BRIEF
MIC_Feedback
MICFBP
MICINN
C204 0.1u
MICOUTP
R204
470K
C217 0.1u
MICOUTN
MICINP
MICFBN
VREG_MSMP_2.7V
VREG_MSMP_2.7V
10K R512 10K
C524 C525
47p 47p
C205 0.1u R202
180K
C206 0.015u
C216 0.015u
C218 0.1u R207
180K
MICBIAS
MIC2P
MIC2N
HPL_L
HPL_R
EAR_SENSE_N
MULTI_ADC
HOOK_SENSE_N