Konka lc-tm2008 LCD color TV video decoding circuit diagram
Source: InternetPublisher:天天都吃好吃的 Keywords: Konka circuit diagram LCD color TV video decoding Updated: 2021/12/14
n301 (saa7114h) is a pal/ntsc/secam three-standard video signal decoder (a digital Decoder), its internal block composition is shown in the figure.
As can be seen from the internal block diagram in the figure, it is different from the common decoding ICs in the past. Input tv/av video signals from pins (20), (18), (16), and (14). First, analog-to-digital conversion is performed, and after it becomes a digital signal, it enters the adaptive comb filter, and then performs digital decoding and dedicated vbl data current limiting and line and field processing. Its (31) and (32) pins are the i2c bus Serial clock/serial data input, ⑦ and ⑥ pins are connected to an external crystal (z301) 24.576mhz and the internal clock generator circuit to form the reference clock.
- A very convenient small power supply circuit to share
- 220V Remote Load Monitor
- Driving circuit of switching power supply field effect tube
- Use pulse width modulation to get a precise output voltage
- Simple and practical LED lamp driving circuit
- Voltage-current converter constructed with XTR110
- Boost drive circuit composed of RT8450
- An ultra-low output voltage regulator
- The production of adjustable voltage-stabilized power supply composed of LM317
- Battery powered switching circuit diagram
- Dual adjustable power circuit
- Solar power circuit
- Typical Reference Voltage and Power Supply Circuits
- High current (4A) switching regulator integrated circuit L296 outputs 5.1 to 40V
- Transistor stabilized current power supply circuit 2
- Wide input 350mA LED driver circuit based on NCL30000
- Neon light high voltage power supply circuit
- Nine-speed adjustable DC power circuit
- 5V uninterruptible power supply circuit
- ±5V, ±12V power circuit B