LG F3000 - Earphone Trouble

4. TROUBLESHOOTING
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4.10 Earphone Trouble
TEST POINT
CIRCUIT DIAGRAM
C217
R204
R214
R211
C213
U205
(JACK_DETECT PIN1)
INSERT
2
L
CLOSE TO EARJACK
REMOVE
3
(GPIO_9)
H
6
5
4
1
JACK_DETECT
(GPIO_40)
NA
C218
R216
330K
C205
0.1u
R210
1M
0R211
2V8_VEXT
J201
2V5_JACK
33uC217
0.1u
C206
VA205
EVL5M02200
C219
GND
1
NC
4
VOUT
32
Vin
39p
NCP563Q25T1
U201
33uC213
12K
R204
C221
2V8_VEXT
NA
EVL5M02200
C220
VA204
39p
VA203
EVL5M02200
C203
NA
R206
NA
2V8_VEXT
C200
0.1u
U202
2
GND
1
OUT
5
VCC
3
VIN+
VIN-
4
1K
R201
22u
C204
C207
0.1u
R214 0
1.5K
R203
C212
39p
20K
R202
100R230 R213 4.7
C208
NA
R215
1M
2V5_JACK
AUXIP
HOOK_DETECTAUXIN
HEADSET_SPK_L
HEADSET_SPK_R
JACK_DETECT
Figure 4-10