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300mA
+5V_Normal
U166
3
2
VIN
VOUT
C127
10UF 10V
C128
100N 16V
Tuner_GND
Tuner
LG TDST-H030F
TU101
TDST-H030F
1
Ant Power
2
N.C
3
SDA
4
SCL
5
+B1(3.3V)
6
N.C
7
N.C
15
8
TH4
N.C
14
9
TH3
IF AGC
13
10
TH2
DIF(P)
12
11
TH1
DIF(N)
Tuner_GND
R496 0R05 1/10W
R497 0R05 1/10W
R498 0R05 1/10W
R499 0R05 1/10W
Tuner Power 3.3V_TUNER
1K_100MHz/400_400MHz
3.3V_TUNER
TP249
+
C129
C101
C130
100UF 16V
100N 16V
2.2uF 10V
Tuner_GND
Tuner_GND
Tuner_GND
3.3V_TUNER
C476
C477
22PF 50V
22PF 50V
TUNER_SDA
Demod-M_SDA
R142 NC/100OHM
TUNER_SCL
Demod-M_SCL
R143 NC/100OHM
TP251
TP250
C454
I2C_SDA
1NF 50V
R155 0R05 1/16W
I2C_SCL
R156 0R05 1/16W
Tuner_GND
IF_AGC
TP252
IF_P
IF_N
R144
R145
NC/10K
NC/10K
IF_AGC Control Circuit
IF_AGC from Demod
NC 100N 16V
Close U401 side
5
TAGC
11
D_IF_AGC
Close U101 side
IF_N
C148
IF_P
NC/10PF 50V
Demod-M_SDA 11
Demod-M_SCL 11
I2C_SDA
5,6,11
I2C_SCL
5,6,11
C142
22PF 50V
C143
22PF 50V
Close to Tuner
T P V ( Top
絬 隔 瓜 絪 腹
Key Component
Date
44
Close Tuner (TU101) side
R101
100R
3.3V_TUNER
IF_AGC trace shielding by GND
C140
R161
10K
TP253
TAGC
R162
10K
R899
NC_0R05 OHM
C135
100N 16V
F o r
A T V
o n l y , d i s a b l e
D e m o d
p a r t s .
TP255
R731
NC_0.05R
TP256
R733
NC_0.05R
TP259
C131
L702
10uH
100N 16V
C144
NC/10PF 50V
TP260
C145
C132
NC/10PF 50V
100N 16V
L703
10uH
Close MST6931(U401) side
Victory
Electronics
Co . , Ltd. )
OEM MODEL
TPV MODEL
10. Tuner
PCB NAME
Wednesday , January 16, 2013
Sheet
10
IF_AGC
To tuner
C141
100N 16V
Tuner_GND
TP257
D_IFN
11
TP258
D_IFP
11
A_IFN
5
C146
NC/4P7 50V
C147
NC/4P7 50V
A_IFP
5
B
Size
Rev
A
<称爹>
称 爹
of
13
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