Pin Details of IC TA7698AP
Substitute : TA7699AP ,KA2154
Functions :
- Video amplifier
- Band pass amplifier
- Chrominance section
- RGB matrix
- Sync separator
- Vertical & Horisontal oscillator
- Horizontal driver & Vertical driver
- Automatic colour control (ACC)
Pin No. | Functions | Voltage |
| 1. | Control peaking | 4.6 |
2. | Positive (+Ve)supply voltage 1 | 12 |
3. | Pedestal clamp input | 4.7 |
4. | Brightness control | 4.5 |
5. | Chroma (colour )input | 1 |
6. | Automatic colourcontrol (ACC )input | 10.5 |
7. | Colour control | 0.6-7.6 |
8. | Chroma (colour) output | 10.6 |
9. | Phase capasitor | 5.7 |
10. | Automatic phase control detector | 8.4 |
11. | Ground(video,chroma) | 0 |
12. | Ident or Filter capacitor | 9.8 |
13. | Voltage controlled oscillator | 10.7 |
14. | Matrix input | 3.9 |
15. | matrix input | 3.9 |
16. | APC filter | 9.7 |
17. | Croma input to PAL/NTSC | 4.8 |
18. | APC filter | 9.8 |
19. | System switch | 4.8 |
20. | (G-Y)green colour diferrence signal | 8.5 |
21. | (R-Y)Red colour diferrence signal | 8.5 |
22. | (B-Y)Blue colour Diferrence signal | 8.5 |
23. | Y(luminance output | 8.5 |
24. | Vertical drive output (50Hz.) | 1.9 |
25. | Ramp generator | 4.4 |
26. | Vertical driver feedback (output to input) | 7.8 |
27. | Ramp capacitor | 7.7 |
28. | Vertical sync (50Hz)input to vertical Osc. | 0.4 |
29. | Vertical Osc.frequency adjust(V.hold) | 2.9 |
30. | X-ray protection (ground) | 0 |
31. | Ground (negative supply terminal) | 0 |
32. | Horizontal driver output (15625Hz) | 0.4 |
33. | Positive(+Ve)supply voltage (2) | 8.4 |
34. | Horiz.Osc.frequncy(15625Hz)adjust(H.hold) | 4.4 |
35. | Automatic frequency control(AFC)output | 4.5 |
36. | Vertical sync output from sync separator | 3.7 |
37. | video signal input to sync separator | 0.7 |
38. | Flyback pulse (15625Hz)input from EHT | 0.5 |
39. | Inverter input(Video) | 4.1 |
40. | inverter video output | 7.8 |
41. | Contrast colour | 8.4 |
42. | Contrast output | 9.4 |