Circuit Diagrams and PWB Layouts
10.
10-3-7
Tuner
19450_514_130110.eps
130110
Tuner
B07
B07
2012-09-24
A
715G5740
Tuner
Silicon Tuner
AIF-
TUNER_SCL
TUNER_SCL
TAGC
IF_AGC
TUNER_SDA
Tuner Power
3.3V_TUNER
L need Q>15
To tuner
IF_AGC Control Circuit
TAGC
2
IF_AGC
TUN_IF-
TUN_I2C_SDA
TUN_I2C_SCL
R143
100OHM
TUN_IF-
Main Chip <-->
I2C for Tuner
C128
100N 16V
C136
33PF 50V
C141
100NF 16V
L101
1UH
R145
100OHM
L103
2.2uH
C138
NC/100pF 50V
C127
10uF 10V
C137
100N 16V
C133
1N 50V
C134
100N 16V
22NF 25V
C140
C101
100N 16V
FB101
1000OHM
1
2
C132
1N 50V
L104
2.2uH
R141
4.7K
R101
100R
L102
1UH
C131
1uF 10V
R140
510R
R144
10K
TU101
TUNER
ANT
1
3.3V
2
SCL
3
SDA
4
GND
5
Xout
6
IF_N
7
TH1
10
TH2
11
TH
3
12
TH4
1
3
IF_P
8
IF_AGC
9
C130
2.2UF 16V
U101
VIN
3
VOUT
2
GND
1
4
4
C135
56pF 50V
R146
0R05 OHM
+
C129
100UF 16V
C139
NC/100pF 50V
R142
4.7K
AGND
3.3V_TUNER
AGND
SCL_CAN
SDA_CAN
DGND
DGND
AGND
3.3V_TUNER
AGND
AGND
DGND
DGND
3.3V_TUNER
+5V_Normal
AGND
AGND
SCL_CAN
DGND
3.3V_TUNER
AGND
DGND
VIFM
2
VIFP
2
TUNER_SCL
2
TUNER_SDA
2
TUNER_SDA
2
TUNER_SCL
2
SDA_CAN
AIF+
AIF-
Tuner3.3V
AIF+
TUNER_SDA
BPF_IN