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10. Schematic Diagram
10.1 Main Board
715G3759M02000005K
03) Tuner/VGA Inputs
TU101
ENV56U03D8F
TUNER
ET-29DHRV
14
NC
13
+B
12
RF-AGC Monitor
11
10
NC
9
BT Monitor
6
SCL
5
SDA
IF Monitor
3
IF AGC
2
IFD-out1
1
IFD-out2
5V: +B = 150mA(MAX)
I2C Bus Address
#C2H (Write Mode)
#C3H (Read Mode)
TU_GND
TU_GND
VGA Input
VGA5V
+5VSB
ZD102
VGA_5V
BAT54C
C125
0.22uF 25V
R124
R125
U105
4.7K 1/10W
1
8
4.7K 1/10W
A0
VCC
2
7
A1
WP
3
6
VGA_SCL
A2
SCL
VGA_SDA
4
5
GND
SDA
AT24C02BN-SH-T
5VT
D3V3
C101
C103
C104
1
2
100N16V
1UF16V
3
0402
2N2 50V
5
R101
R102
6
C106
2N2 50V
NC/10K 1/10W
NC/10K 1/10W
9
R104
100 OHM 1/10W
10
R105
100 OHM 1/10W
11
IF_AGC
12
13
IF_AN
14
IF_AP
C116
C117
C118
22P 50V
22P 50V
100N16V
0402
UART0_TX
6
UART0_TX
UART0_RX
6
UART0_RX
VGA_SDA
R114
100 OHM 1/10W
RGB_HSYNC
R115
1K 1/10W
RGB_VSYNC
R116
1K 1/10W
VGA_SCL
R120
100 OHM 1/10W
C121
C122
R121
R122
NC/47pF
NC/330pF
2.2K 1/10W
2.2K 1/10W
R126
1K 1/10W
R127
33 OHM 1/10W
VGA_EDID_WP
VGA_EDID_WP 7
R128
10K 1/10W
L101
R103
0.082uH
C109
100pF 50V
I2C1_SCL
0402
I2C1_SCL
6,9
I2C1_SDA
I2C1_SDA
6,9
C115
100pF 50V
0402
L103
R107
0.082uH
R112
220 OHM 1/10W
R113
220 OHM 1/10W
CN101
VGA5V
ZD101
1
2
11
1
6
VPORT0603100KV05
12
2
7
13
3
8
14
4
9
15
5
U109
10
VCC5D
AZC199-04S
DB15
4
3
I/O3
I/O2
5
2
VDD
GND
6
1
88G 35315F CL
I/O4
I/O1
D3V3
C123
100N16V
0402
RGB_HSY NC
2
4
R123
33 OHM 1/10W
U103
SN74LVC1G17DBVR
D3V3
C127
100N16V
0402
RGB_VSY NC
2
4
R129
33 OHM 1/10W
U106
SN74LVC1G17DBVR
41
47 OHM 1/16W
C107
1N 50V
0402
0402
L102
C110
0.15uH 5%
82pF 50V
0402
47 OHM 1/16W
C108
1N 50V
0402
0402
D3V3
7
DEMOD_RSTN
IF_AGC
C119
100N16V
0402
FB102
1
FB103
1
FB104
1
C151
C152
C153
R117
R118
R119
18pF 50V
18pF 50V
C120
0402
18pF 50V
0402
75R 1/10W 1%
0402
100N16V
75R 1/10W 1%
75R 1/10W 1%
0402
3V3_STB
C124
100N16V
0402
VGA_HSY NC
RGB_HSY NC
VGA_HSYNC 4
C126
NC/22pF
3V3_STB
C128
100N16V
0402
VGA_VSY NC
RGB_VSY NC
VGA_VSYNC 4
C129
NC/22pF
U401P
Demodulator
C102
10N 50V
0402
SIF_N
AF4
SIF_AINN
SIF_P
C105
10N 50V
0402
AE4
SIF_AINP
IF_AINN
AF2
IF_AINN
IF_AINP
AE2
IF_AINP
R106
3.9K 1/10W
AD3
IF_RBIAS
0402
C111
100N16V
AD2
IF_VINBIAS
C112
100N16V
0402
AD1
IF_VCM
C113
100N16V
0402
AF1
IF_VREFN
C114
100N16V
0402
AE1
IF_VREFP
1
AD8
TP1
DEMOD_CLKO
1
AC7
TP2
MPEG_FAIL
R108
33 OHM 1/10W
AC8
DMOD_RST_N
AC6
SA_DATA
PARAM0
R109
4.7K 1/10W
AE7
PARAM0
AF8
RF_AGC
R111
2K 1/10W
AF7
IF_AGC
AA5
IF_DVAL_GPIO
Place R111 & C119
close to U401
ZR39787HGCF
VCC5D
U108
AZC199-04S
4
3
I/O3
I/O2
5
2
VDD
GND
6
1
I/O4
I/O1
2
60 OHM
VGA_R
VGA_R
4
VGA_G
2
60 OHM
VGA_G
4
2
60 OHM
VGA_B
VGA_B
4
VGA_HSYNC_DET
2
4
VGA_HSYNC_DET 7
U104
SN74LVC1G17DBVR
2
4
VGA_VSYNC_DET
VGA_VSYNC_DET 7
U107
SN74LVC1G17DBVR
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