Pin details of IC IXO 304 CEZZ

Pin details of IC IXO 304 CEZZ

Substitute: µPC1420

Functions :

  1. Video amplifier
  2. AGC detector
  3. R-Y and B-Y demodulator
  4. G-Y matrix
  5. Sub carrier oscillator
  6. Burst gate and APC
  7. Sync separator
  8. Horizontal oscillator and drive
  9. Vertical oscillator and drive
  10. X-ray protection
Pin No Function Voltage
1. Ground (Ve-)supply voltage 0
2. Picture tone 4.9
3. 4.43MHz.Croma signal input to automatic colour control amplifier 5.4
4. ACC amplifier by-pass capacitor 7.6
5. 4.43MHz. Croma signal output for 1-H delay line 7.7
6. Sub colour control 5.7
7. R-Y Demulator input (delayed chroma signal) 5.4
8. Ground(Ve-)supply voltage 0
9. B-Y demulator input(delayed chroma signal) 5.9
10. Colour killer filter 7.7
11. B-Y colour diference signal output 7.1
12. R-Y colour diference signal output 7.1
13. G-Y colour diference signal output 7
14. Positive (Ve+)supply voltage 12
15. Sub carier oscillator(4.43MHz.)phase detector filter 6.3
16. Automatic phase control filter 6.1
17. Colour voltage controlled oscillator filter 8.7
18. Voltage controlled oscillator (4.43MHz.)filter 8.7
19.

PAL sub carrier phase adjusment

5.6
20. Subcarrier oscillator crystal(4.43MHz.) 5.2
21. DC feedback voltage for vertical driver 0.3
22. AC feedback voltage for vertical driver 3.4
23. Vertical frequency output (50Hz.) 0.9
24. Vertical drive ground 0
25. Horisontal drive ground 0
26. PAL/NTSC switch(ground)or X-ray protection 0.3
27. Horizontal frequency output(15625Hz.) 0.5
28. Low pass filter 7.1
29. Horizontal phase (automatic phase control) 6.3
30. Low pass filter 3.9
31. Oscillator filter 4.8
32. 32 fH Horizontal voltage controlled oscillator crystal(4.43MHz.) 4.8
33. 32 fH Horizontal voltage controlled oscillator crystal(4.43MHz.) 10
34. Killer switching out 8.1
35. Horizontal oscillator filter 7.1
36. TV / VIR switch 0
37. Sync separator input 8.1
38. Positive supply for horizontal section 12
39. Horizontal blanking input (15625Hz.) 0.7
40. Horizontal flyback pulses input(15625Hz.) for AFC 0.7
41. Contrast control 5.7
42. Video croma(colour signal)input 2.2
43. Video croma(colour signal)output 9.1
44. 4.43MHz. video input for video amplifier 9.4
45. Picture signal input for video amplifier 5.7
46. Brightness control 7.9
47. White level adjustment 0.1
48. Video (Y signal)output 6.7



 
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