LG MC-83A Manual De Uso página 80

2) Diagrama de Bloques
36
Video 1/Luma Input
34
Switch
Video 2/Chroma
29
Ymain
32
Cmain
37
Decoder ACC
49
Yout
PIP
Switch
51
Cout
38
Decoder Xtal
39
Decoder PLL
7
16Fsc PLL
44
Encoder Phase NTSC
Encoder
45
Encoder ACC
4X S/C
Osc+PLL
46 47
Encoder Encoder
PLL Xtal
Filter PLL
Low Pass
Filter
Band Pass
Filter
Y
V
NTSC
U
Decoder
57.28MHz
90
0
4X S/C
Osc+PLL
14.32MHz
3.0MHz
16X S/C
LPF
Osc+PLL
3.0MHz
Clamp
LPF
Y U V
3.0MHz
LPF
52 53 54
Encoder Clamp Caps
- 20 -
Decoder Clamp Caps
33 40 41 42
Filter
Tracking
Y
6-Bit
Y U V
V
ADC
Clamp U
6
Tint DAC
Vert
Sat DAC 6
6
U DAC
V DAC
6
Y DAC
6
28
H and V
31
Timebase
1
Hin
2
Vin
3
SCL
4
Digital
SDA
Logic
5
Reset
10
Vid 1/2 Set
30
Multi Test
Memory
8.0K x 8
DRAM