LG C1150 Service Manual page 33

3. TECHNICAL BRIEF
B9
TEMP1
A8
TEMP2
B10
AUXADC1
A9
AUXADC2
HOOK_DET
P15
AIN2P
R15
AIN2N
P16
AIN1P
R16
AIN1N
R13
AIN3L
R14
C147 C148
AIN3R
C150
39p
39p
39p
R12
NC_R12
L16
LIGHT1 RLED
M15
LIGHT2 GLED
M16
LIGHT3
R10
SPWR1
T10
SPWR2
T9
AOUT2N1
R9
AOUT2N2
R11
AOUT2P1
T11
AOUT2P2
K16
AOUT3N
J16
AOUT3P
J15
AOUT1P
K15
AOUT1N
C163
0.1u
JACK_DET
C167
VMIC
R152
NA
C143 0.1u
C144
R128
C145
39p
C149 4.7K
39p
10u
C156
39p
R133
100
C157 NA
C160 4.7u
RECP
RECN
VEXT
VEXT
C164
39p
5
4 VIN-
R146
R145 1M
1
VCC
R147 1M
OUT 3 VIN+
100 GND
2
C171
100p 100p U104
R148 330K
LMV7291MGX-NOPB
Figure 3-16. C1150 AUDIO CIRCUIT
R126
0 R127
100
C146
39p
C151 C152
C153
R130
39p 39p
100
0.1u
R132 2.2K
VMEM VMIC
VMEM
U105
VMEM
R135 100K
GND
2 3
VCC
IN
1
C161
39p
NLAST4599DFT2G
R139 1K
R140
2.2K
C165
C169 C170
39p
10u 39p
- 34 -
VMIC
R123 1K
C140
C141
R125
2.2K
39p
10u
MIC101
1
CLOSE TO MIC
2
OBG-415L42-C33
VA151 VA152
VMIC_ON
R136
HOOK_DET
1K C162
R137 R138
0.1u
39K NA
J102
2
CLOSE TO EARJACK
4
R142 4.7 3
R143 1
5
4.7 VA153
VA154
C166 HEADSET JACK
C168
39p 18p
SP114 SP115