LG C3100 Service Manual page 66

J200
Figure 4-28.
C228
Figure 4-29.
C226
39p
U204 MAX9075EXK-T
5
VIN- 4
0
VCC 1
VIN+ OUT
3
GND
R220
2
HEADSET_SPK_P
R225
HEADSET_MIC_P
0
C227
R213
AUXIN
0
C223
39p
AUXIP
JACK_DETECT
(1608)
C227 10u
R224 4.7
R226 4.7
C229 C243 C230 C242
47p
NA 47p NA
- 65 -
4. TROUBLE SHOOTING
U204
U203
C224
Figure 4-30.
C251 C224
10u 10u
U203
MAX9075EXK-T
5
VIN- 4
VCC 1
VIN+ 3 OUT
GND
2
HEADSET_MIC_P
C244 NA
U204.1
C225
39p
HOOK_DETECT
Headset jack
5
1
3
4
2
J200