LG -P970 Service Manual page 156

EAR_MICBIAS_EN
EAR_MICBIAS
C908
0.1u
R911
HOOK_ADC
TP3 47K
EAR_L
EAR_R
EJ_MIC
FM_ANT
EAR_DETECT
C912
2.8V_PROXI
L901
47p
ZD905
EAR_GND
R919 DNI
LGE Internal Use Only
AUDIO LOD
VBAT
4
VIN
3
STBY
C5031
1u
D901
C911 C913 C914
0.1u 47p 47p
1800
FB901
FB902
TP2
1800
FB903
1800
PROX_OUT
R915 1
1.8V_VIO
R916 10
C923
KEY_LED_HIGH
4.7u
VT_DATA[7]
VT_DATA[6]
VT_DATA[5]
VT_DATA[4]
VT_DATA[3]
VT_DATA[2]
VT_DATA[1]
VT_DATA[0]
U403
1
VOUT
2
GND
VA905
C919
CN903
33p
1 40
MIC2N
2 39
MIC2P
3 38
4 37
C922
5 36
1u
6 35
7 34
8 33
LSENSOR_SENS
9 32
10 31
I2C3_SDA
11 30
I2C3_SCL
12 29
VT_VSYNC
13 28
VT_HSYNC
14 27
VT_CAM_DRV_2.8V
15 26
16 25
VT_CAM_IO_1.8V
17 24
18 23
19 22
20 21
- 156 - Copyright © 011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
TP1
EAR_MICBIAS
C5032 C5033
1u 33p
VA906
C921
10u
MICBIAS2
LSENSOR_BIAS
C924 C925
DNI DNI
R917
R918
VT_CAM_PWDN
R913
VT_RESET_N
100
C918
DNI
Only for training and service purposes
0
VT_MCLK
0 VT_PCLK