LG P7200 - Headset Interface

3. TECHNICAL BRIEF
- 49 -
3.12 Headset Interface
Figure 3-29. HEADSET JACK INTERFACE
(2125)
Headset jack
(HOOK_DETECT)
(MP3_REW)
(MP3_FF)
(1608)
(MP3_PLAY/PAUSE)
(2125)
R227
2.2K
33uC244
C249
1u
2V8_VMEM
VA215
EVLC18S02015
39p
C238
2V8_VMEM
R240 100
EVL5M02200
VA212
47p
C248
VA207
EVLC18S02015
EVLC18S02015
VA214
VA208
EVL5M02200
C237
10u
EVL5M02200
VA209
0.1u
C239
100K
R226
100R236
C251
47p
C250
47p
4.7R235
100R238
R225
100K
100R237
R234 4.7
1K
R224
C247
1u
100
R231
EVL5M02200
VA211 VA210
EVL5M02200
14
15
16
2
3
4
5
6
7
8
9
CN201
1
10
11
12
13
2V5_VMIC
2.2K
R232
33uC245
100
R229
VA213
EVLC18S02015 EVLC18S02015
VA216
100R239
AUX_SPK_L
JACK_DETECT
KEY_COL4
AUX_SPK_R
AUX_MIC_N
AUX_MIC_P
KEY_COL1
KEY_COL2
KEY_COL3
KEY_ROW5