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Silicon Tuner
TUNER
TU101
FB101
NC/300 OHM
1
2
1
Tuner3.3V
ANT-DC
2
Tuner3.3V
VCC
3
SCL_CAN
C128
+
SCL
C130
4
SDA_CAN
100UF16V
1UF 10V
SDA
5
AGND
GND
6
CLK_OUT
7
AIF-
IF_N
C133
I2C for Tuner
AIF+
8
1NF 50V
IF_P
9
IF_AGC
IF_AGC
+3V3
AGND
close to main chip
AGND
TUN_I2C_SCL
Form main chip
TUN_I2C_SDA
Form main chip
IF_AGC Control Circuit
Close to Main chip
+3V3
R165
NC/1K 1/10W
L109 0 ohm
ATV_IF_AGC
R166
1K 1/10W
IF_AGC from
IC
10K 1/10W 5%
C146
C145
C147
10NF 50V
NC/10UF 10V
NC/10UF 10V
AGND
AGND
AGND
IF_AGC trace shielding by GND
All manuals and user guides at all-guides.com
300mA
3.3V_TUNER
100UF16V
C131
C132
1NF 50V
470pF 50V
AGND
TUN_I2C_SCL
R159 4.7K
R160 4.7K
TUN_I2C_SDA
AIF+
15PF 50V
SCL_CAN
R162
100 OHM
AIF-
C140
10P 50V
AGND
R164
SDA_CAN
100 OHM
C144
10P 50V
AGND
Close to Tuner
R167
IF_AGC
To tuner
C148
100N 16V
AGND
3.3V_TUNER
300mA
D_5V
U101
3
2
1
VIN
VOUT
C127
+
C126
C149
1UF 10V
C129
100N 16V
NC/10UF 10V
DGND
DGND
AGND
DGND
Realtek requext to fine tune IF on 3/22'12
AGND
C134
C135
NC/15PF 50V
NC/15PF 50V
L102
L103
C150
0.82UH
1uF 16V
0.82UH
L105
C137
30PF
C138
15PF 50V
C139
NC/0.82UH
L107
L108
C151
0.82UH
1uF 16V
0.82UH
C142
NC/15PF 50V
C141
NC/15PF 50V
AGND
54
3.3V_TUNER
FB103
2
0R
AGND
C136
15PF 50V
TUN_IF+
L106
NC/0.82UH
TUN_IF-
C143
15PF 50V
AGND
Title
Tuner
Size
Document Number
Custom
<Doc>
Date:
Thursday , May 10, 2012
Main Chip <-->
TUN_IF+
TUN_IF+
TUN_IF-
TUN_IF-
ATV_IF_AGC
ATV_IF_AGC
TUN_I2C_SCL
TUN_I2C_SCL
TUN_I2C_SDA
TUN_I2C_SDA
Rev
1.0
Sheet
3
of
4
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