Schematic Diagram; Main Board - AOC LE22H067 Service Manual

9. Schematic Diagram

9.1 Main Board

715G3759M01000005K
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
4 5 VGA_SDA
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 I2C1_SCL
10 R105 100 OHM 1/10W I2C1_SDA
11
12 IF_AGC
IF_AN
13
IF_AP
14
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_HSY NC
R115 1K 1/10W
RGB_VSY NC 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
space/trace/space/trace/space(mil)
30 / 10 / 10 / 10 / 30
Place parts very close to U401
L101
R103 47 OHM 1/16W
0.082uH 0402
C109 100pF 50V
0402
I2C1_SCL 6,9
I2C1_SDA 6,9
C115 100pF 50V
0402
L103
R107 47 OHM 1/16W
0.082uH 0402
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 C120
VCC5D AZC199-04S
DB15 100N16V
4 3 0402
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 C126
SN74LVC1G17DBVR
NC/22pF
D3V3
C127
100N16V
0402
RGB_VSY NC 2 4 R129 33 OHM 1/10W
C129
U106
SN74LVC1G17DBVR
NC/22pF
44
C102
C105
C107 1N 50V
0402
L102 C110
0.15uH 5% 82pF 50V
0402
C108 1N 50V
0402
D3V3
R108
7 DEMOD_RSTN
R109
IF_AGC R111
C119
100N16V
0402
VCC5D
FB102 1 2 60 OHM
FB103 1 2 60 OHM
FB104 1 2 60 OHM
C151 C152 C153
R117 R118 R119
18pF 50V 18pF 50V
0402 18pF 50V 0402
75R 1/10W 1% 0402
75R 1/10W 1% 75R 1/10W 1%
3V3_STB
C124
100N16V
0402
VGA_HSY NC RGB_HSY NC
2
VGA_HSY NC 4
U104
SN74LVC1G17DBVR
3V3_STB
C128
100N16V
0402
VGA_VSY NC RGB_VSY NC 2
VGA_VSYNC 4
U107
SN74LVC1G17DBVR
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
TPV MODEL
絬 隔 瓜 絪 腹
PCB NAME 715G3759
Key Component 03-Tuner/VGA Inputs
Sunday , April 11, 2010 Sheet 3
Date
U401P
Demodulator
10N 50V 0402 SIF_N AF4
SIF_AINN
10N 50V 0402 SIF_P AE4
SIF_AINP
IF_AINN AF2
IF_AINN
IF_AINP AE2
IF_AINP
R106 3.9K 1/10W AD3
IF_RBIAS
C111 100N16V 0402 AD2
IF_VINBIAS
C112 100N16V 0402 AD1
IF_VCM
0402
C113 100N16V AF1
IF_VREFN
C114 100N16V 0402 AE1
IF_VREFP
1 AD8
TP1
DEMOD_CLKO
1 AC7
TP2
MPEG_FAIL
33 OHM 1/10W AC8
DMOD_RST_N
AC6
SA_DATA
PARAM0
4.7K 1/10W AE7
PARAM0
AF8
RF_AGC
2K 1/10W AF7
IF_AGC
AA5
IF_DVAL_GPIO
Place R111 & C119
close to U401
ZR39787HGCF
U108
AZC199-04S
4 3
I/O3 I/O2
5 2
VDD GND
6 1
I/O4 I/O1
VGA_R
VGA_R 4
VGA_G
VGA_G 4
VGA_B
VGA_B 4
VGA_HSY NC_DET
4
VGA_HSY NC_DET 7
4 VGA_VSY NC_DET
VGA_VSY NC_DET 7
Size Custom
Rev E
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