Functions :
- Sync Separator
- Vertical Sync separator
- AFC
- Horizontal Sync separator
- Burs gating and Horizontal blangking pulse generator
| Pin No. | Functions | Voltage |
| 1. | Positive (+Ve supply voltage ) | 12 |
| 2. | Positive (+Ve supply voltage ) output stage (trigger pulse input) | 12 |
| 3. | Horizontal trigger pulse output (15625Hz.) | 1.2 |
| 4. | Selection of output pulse duration | 0 |
| 5. | Decoupling Capacitor | 6.5 |
| 6. | Horizontal flyback(blanking)pulse (15625Hz.)for 2nd phase caparator | 0.2 |
| 7. | Sancastle (Horizontal blanking pulse )output (15625Hz.) | 1.8 |
| 8. | Vertical sync output (50Hz.) | 0.2 |
| 9. | Sync pulse input | 1.6 |
| 10. | Noise separator input | 2.2 |
| 11. | VCR swithching (Coincidence) | 5.7 |
| 12. | Time contant swithching (third phase caomparator ) | 2.2 |
| 13. | First phase comparator output | 6.1 |
| 14. | Ramp (sawtooth)oscillator capacitance | 6 |
| 15. | Horizontal frequency (15625 Hz.) adjust (H-Hold) | 6 |
| 16. | Ground (-Ve supply voltage ) | 0 |
