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Schematic Diagram
Main Board 715G4637M01000004K
3. Tuner/VGA Inputs
ENV56U04D8F
ET-29DHR
TU101
ENV56U04D8F
1
2
RF Input
3
5
6
(Back)
9
10
11
12
13
14
5V: +B = 150mA(MAX)
I2C Bus Address
TU_GND
#C2H (Write Mode)
#C3H (Read Mode)
TU_GND
VGA Input (Back)
+5VSB
ZD110
BAT54
R120
R121
4.7K 1/10W
4.7K 1/10W
VGA_SDA
7
VGA_SDA
RGB_HSY NC
RGB_VSY NC
VGA_SCL
7
VGA_SCL
3V3_STB
C124
100N16V
0402
RGB_VSY NC
2
5VT
C101
C102
C103
100N16V
2N2 50V
1uF 16V
0402
1
NC
2
+B
3
RF-AGC
5
NC
6
BT Monitor
9
R101
100 OHM 1/10W
SCL
10
R102
100 OHM 1/10W
SDA
11
IF Monitor
12
IF AGC
13
IFD-out1
14
IFD_out2
C104
C152
C110
C111
C112
2N2 50V
10pF 50V
100N16V
2.2uF 10V
10pF 50V
UART0_TX
R104
470OHM +-5% 1/10W
7
UART0_TX
UART0_RX
R105
470OHM +-5% 1/10W
7
UART0_RX
ZD102
MLVG0402
2
1
R107
100 OHM 1/10W
R109
1K 1/10W
R111
1K 1/10W
R115
100 OHM 1/10W
R116
R117
ZD106
ZD107
ZD108
2.2K 1/10W
MLVG0402
MLVG0402
2.2K 1/10W
MLVG0402
R126
220 OHM 1/10W
VGA_VSY NC_DET
VGA_VSY NC
4
R125
33 OHM 1/16W
0402
U105
C126
SN74LVC1G17DBVR
NC/22pF
0402
LE42S605/LE46S605
space/trace/space/trace/space(mil)
25 /
Place
C105
I2C1_SCL
I2C1_SCL
6,15
I2C1_SDA
I2C1_SDA
6,15
IF_AGC
IF_AN
IF_AP
C109
ZD101
2
1
MLVG0402
VGA5V
CN101
11
1
6
12
2
7
13
3
8
14
4
9
ZD103
ZD104
ZD105
15
5
10
C117
MLVG0402
MLVG0402
ZD109
100N16V
MLVG0402
DB15P
0402
MLVG0402
088G 35315FHDL
VGA_VSY NC_DET 7
RGB_HSY NC
VGA_VSY NC 7
17
8
/
6
/
8
/
25
close to TU101
Place parts very close to U401
L101
1N 50V
0402
0.22uH 5% 0805
L102
C106
68pF 50V
0402
0402
L103
0.15uH
1N 50V
0402
0.22uH 5% 0805
IF_AGC
R103
0402
C113
100N16V
0402
Place parts very
close to U401
FB101
1
FB102
1
FB103
1
R112
R113
R114
C114
C115
C116
NC/18pF 50V
NC/18pF 50V
75R 1/10W 1%
75R 1/10W 1%
NC/18pF 50V
75R 1/10W 1%
0402
0402
0402
3V3_STB
C120
R119
220 OHM 1/10W
100N16V
0402
2
4
R118
33 OHM 1/16W
0402
U103
C123
SN74LVC1G17DBVR
NC/22pF
0402
U401F
Dmodulator I/F
IF_AINN
B12
AFE_IFN
IF_AINP
A12
AFE_IFP
C107
C108
A13
AFE_SIF/AFE_PR2
15pF 50V
15pF 50V
C151
0402
0402
10N 50V
2K 1/16W
A4
IF_AGC
ZR39748BGCG
2
30 OHM
VGA_R
VGA_R
2
30 OHM
VGA_G
VGA_G
VGA_B
2
30 OHM
VGA_B
VGA_HSY NC_DET
VGA_HSY NC_DET 7
VGA_HSY NC
VGA_HSY NC 4
4
4
4
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