LG -A290 Service Manual page 86

Q200
TP1
JACK_DETECT
R208
HS_OUT_R
R209
HS_OUT_L
TP4
BB side place
C223
HP_MIC_N
0.1u
C225
HP_MIC_P
0.1u
LGE Internal Use Only
VIO
Q200
R200
1M
S
G
D
R201
100K
R204
10
close to 3.5pi conn
FB204
0
5.6
0
5.6
FB206
C212 C213
56p 56p
VA225
1.5Kohms
R254
820
C224
39p
R255
820
VA226
Figure 4.10.1
R251
1K
1800
FB200
FB210
1800
FB211 1800
VA200 VA201 VA202
DNI
R256
1
VHP_MIC_2V0
R217
TP2
C226
2.2u
- 86 - Copyright © 01 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
C271
1n
VA224
C202
L200
8p
270n
M6-GND
6
M1-R
1
M4-DETECT
4D
M4-L
4
M5-MIC
5
J200
FB207
TP3
VA205
HOOK_DET
Only for training and service purposes
FM_ANT