LG U880 Service Manual page 64

MSM6250 BLK
R201
VREG_MSMP_2.7V
150K
DAUGHTER_HEADSET
R905
2.2K
CN901
13
15
17
1
2
3
4
5
6
7
8
9
10
11
12
14
16
C915 C917
18
10p 10p
C-1827541
Figure 3.10.11.2-2 U880 SUB b'd schematics
MICOUTN
Near to MSM
U880 schematics
Head Set Jack BLK
10u C914
R903 10K
R907 2.2K
C911 33u
C907 33u
C931 C932
47p 47p
- 65 -
3. TECHNICAL BRIEF
MIC_Feedback
MICFBP
MICINN
MICOUTP
C246 0.1u C247
470K
R216
C244 0.1u C245
MICINP
MICFBN
VREG_MSMP_2.7V
MICBIAS
MIC2P
MIC2N
HP_OUT_L
HP_OUT_R
EAR_SENSE_N
MULTI_ADC
HOOK_SENSE_N
D901
1 6
2 5
3 4
UCLAMP0505A
180K
0.1u
R215
C248 0.015u
C240 0.015u
180K
0.1u
R214