Main Board Schematic Diagram - AOC LC42H163 Service Manual

9. Schematic Diagram
9.1 Main Board
715G4522M01000004K
ENV56U04D8F
ET-29DHR
1
2
RF Input 3
5
6
(Back)
9
10
11
12
13
14
5V: +B = 150mA(MAX)
I2C Bus Address
#C2H (Write Mode)
#C3H (Read Mode)
VGA Input
(Back)
R120
4.7K 1/10W
VGA_SDA
7 VGA_SDA
RGB_HSYNC
RGB_VSY NC
VGA_SCL
7 VGA_SCL
RGB_HSYNC
5VT
TU101
ENV56U04D8F
C101 C102 C103
100N16V 1UF16V
0402 2N2 50V
1
NC
2
+B
3 C147 2.2uF 10V
RF-AGC
5 C104 2N2 50V
NC
6
BT Monitor
9 R101 100 OHM 1/10W
SCL
10 R102 100 OHM 1/10W
SDA
11
IF Monitor
12 IF_AGC
IF AGC
13 IF_AN
IFD-out1
14 IF_AP
IFD_out2
C110 C111 C112
10pF 50V 10pF 50V 100N16V
0402 0402 0402
TU_GND
TU_GND
+5VSB
ZD110
BAT54 ZD101 MLVG0402
2 1
2 1
R121 ZD102 MLVG0402
4.7K 1/10W
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
2.2K 1/10W VPORT0603100KV05 VPORT0603100KV05
VPORT0603100KV05 VPORT0603100KV05
3V3_STB
C120
R119 220R +-5% 1/16W VGA_HSY NC_DET
100N16V 0402
0402
2 4 R118 33 OHM 1/16W VGA_HSY NC
0402
U103 C123
SN74LVC1G17DBVR
NC/22pF
0402
space/trace/space/trace/space(mil)
25 / 8 /
Place close to TU101
C105 1N 50V
0402
I2C1_SCL
I2C1_SCL 6
I2C1_SDA
I2C1_SDA 6
C109 1N 50V
0402
R104 470OHM1/10W UART0_TX
R105 470OHM1/10W UART0_RX
CN101
11 1
6
12 2
7
13 3
8
14 4
9 ZD103 ZD104 ZD105
15 5 C114
10
VPORT0603100KV05 VPORT0603100KV05 NC/18pF 50V
ZD109 VPORT0603100KV05 0402
D-SUB 15P
088G 35315FHDL
C124
VGA_HSYNC_DET 7
100N16V
0402
RGB_VSY NC
VGA_HSYNC 4
44
6 / 8 / 25
Place parts very close to U401
L101
0.22uH 5% 0805
L102 C106
33P 50V
0.15uH 0402 C107
L103
15PF50V
0.22uH 5% 0805 0402
IF_AGC R103 2K 1/16W
0402
C113
100N16V
0402 Place parts very
close to U401
UART0_TX 7
UART0_RX 7
FB101 1 2 30 OHM R106
FB102 1 2 30 OHM R108
FB103 1 2 30 OHM R110
R112 R113 R114
C115 C116
NC/18pF 50V 75R 1/10W 1%
NC/18pF 50V 75R 1/10W 1% 75R 1/10W 1%
0402 0402
3V3_STB
R126 220R +-5% 1/16W VGA_VSYNC_DET
0402
2 4 R125 33 OHM 1/16W VGA_VSYNC
0402
U105 C126
SN74LVC1G17DBVR
NC/22pF
0402
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
TPV MODEL
絬 隔 瓜 絪 腹
Key Component 03-Tuner/VGA Inputs PCB NAME 715G4522
Tuesday , July 19, 2011 Sheet 3
Date
U401F
Dmodulator I/F
IF_AINN B12
AFE_IFN
IF_AINP A12
AFE_IFP
C108
A13
AFE_SIF/AFE_PR2
15PF50V
0402 C146
10N 50V
0402
A4
IF_AGC
ZR39748BGCG
0.05R VGA_R
VGA_R 4
0.05R VGA_G
VGA_G 4
0.05R VGA_B
VGA_B 4
VGA_VSY NC_DET 7
VGA_VSY NC 7
Size Custom
Rev 1
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