Fm Radio Trouble - LG GB195 Service Manual

FM Radio Trouble

FM Radio Trouble
FM Radio Trouble FM Radio Trouble
4.14 4.14
4.14 4.14
4.14.1 Test Point
4.14.2 Circuit Diagram
VBAT
VBAT_FM
C300
1.00uF
VDD
C301
1.00uF R304
100Kohm
VBAT
B300
TP5
FM Radio
TP3
U300
10
VD
8
VIO
17
GND
11
GND
1
NC
16
NC
5
SEN
Si4708-B-GM
TP4
1000ohm
C313
TP1
1.00uF
TP7 TP6
R301
2.20Kohm
TP7
TP6
7
SDIO
FM_INL_1
13 C302
LOUT
FM_INR_1
12 C305
ROUT
FM_ANT_1
2 C308
FMIP
FM_32K_1
9 C309
RCLK
FM_RESET_1
4 R314
RST
R305
NC_100Kohm
-79-
TP4
TP1
TP2
TP3
VDD
R302
2.20Kohm
FM_I2C_CLK 1
FM_I2C_DATA 1
100nF
FM_INL
100nF
FM_INR
100pF
FM_ANT
TP2
10.0nF
FM_32K
0.00Ohm
FM_RESET
TP5
5
5
4
1
1