Pin Details of IC M51393AP
Functions :
- Video amplifier
- Pedestal clamp
- Y(luminance)-output & retrace blanking
- Chroma bandpass amplifier
- ACC detector
- Reference subcarrier oscillator & phase control
- Burst gate
- Colour killer & ident detector
- PAL switch
- R-Y and B-Y demodulator and matrix
| Pin No. | Fuctions | Voltage | Pin No. | Fuctions | Voltage |
| 1. | 2nd Chroma amplifier | 7.8 | 16. | Brightness control | 5.6 |
| 2. | Colour control | 8.8 | 17. | Phase shift | 3.8 |
| 3. | Pedestal clamp capasitor | 6.6 | 18. | (50Hz.)vertical blanking signal input to separator | 2.4 |
| 4. | APC time constant circuit | 8.9 | 19. | G-Y Signal output | 7.8 |
| 5. | APC time constant circuit | 8.9 | 20. | R-Y signal output | 7.8 |
| 6. | Voltage controlled oscillator (4.43MHz.) crystal | 10.6 | 21. | B-Y signal output | 7.6 |
| 7. | Voltage controlled oscillator (4.43MHz.) crystal | 2.6 | 22. | Positive(+Ve supply voltage) | 13.2 |
| 8. | Gate pulse input | 0.1 | 23. | R-Y Demodulator | 3.2 |
| 9. | Video amplifier | 7.2 | 24. | ACC detector & ident killer | 7.7 |
| 10. | Video amplifier | 1.2 | 25. | B-Y demodulator | 3.1 |
| 11. | Video signal input | 2 | 26. | Positive(+Ve supply voltage) | 10 |
| 12. | Video amplifier capasitor | 6.2 | 27. | Video signal output for sync separator | 9.8 |
| 13. | Contras control | 3.4 | 28. | Clamp capasitor | 2.2 |
| 14. | Pedestal clamp capasitor | 3 | 29. | Chroma video signal input at 4.43MHz | 1 |
| 15. | Y-Signal (Luminancesignal) output | 6.8 | 30. | Ground(-Ve supply voltage) | 0 |