Fm Radio Trouble - LG -A290 Service Manual

4.19 FM Radio Trouble

J200
CN201
Q200
JACK_DETECT
HS_OUT_R
HS_OUT_L
LGE Internal Use Only
BB side place
VIO
R200
1M
S
G
D
R201
100K
R204
10
close to 3.5pi conn
FB204
R208
0
R209 5.6
0
5.6
FB206
C212 C213
56p 56p
VA225
Filter
Circuit
Figure 4.17.1
R251
1K
1800
FB200
FB210
FB211
VA200 VA201 VA202
DNI
R256
1
VHP_MIC_2V0
- 104 - Copyright © 01 LG Electronics. Inc. All right reserved.
R217
1.5Kohms
4. TROUBLE SHOOTING
Filter Circuit
C271
VA224
C202
L200
8p
270n
M6-GND
6
1800
M1-R
1
1800
M4-DETECT
4D
M4-L
4
M5-MIC
5
VA205
Only for training and service purposes
U401
1n
FM_ANT
J200
J200