Pin details of IC CA 3223
Functions:
- Horisontal AFC or phase comparator
- Horisontal oscillator
- Vertical oscillator
- Vertical Pre-amplifier
- Sandcastle pulse generator
- To facilitate acceptance of non standard signal generated by equipments like VCR
| Pin No. | Functions | Voltage |
| 1. | Horisontal sync pulses(input)to horisontal phase detector loop | 0.2 |
| 2. | Skew swith | 0.1 |
| 3. | Filter for Horz.oscillator sync loop 1 | 1.8 |
| 4. | Tank circuit for horisontal oscillator (15625Hz.) | 9.5 |
| 5. | Supply(positive terminal) | 9.5 |
| 6. | Flyback (15625Hz.)sense (input)to Horz.phase detector loop 2 | -0.2 |
| 7. | Regulator drive | 8.5 |
| 8. | Ground (Negative terminal) | 0 |
| 9. | For built-in voltage regulator control circuit,the error amplifier's output is available at pin no.9 | 0 |
| 10. | B+sense | 0 |
| 11. | Internal reference DC voltage (size comparator) | 0 |
| 12. | Horizontal ramp capacitor | 2 |
| 13. | Filter for harizontal oscillator synchronisation loop 2 | 1.2 |
| 14. | Duty cycle sense (Horizontal section) | 2 |
| 15. | Duty cycle sense (Horizontal section) | 2.2 |
| 16. | (15625Hz.)Horizontal scan frequency(Output) | 0.5 |
| 17. | Supp;y(+Ve terminal)for vert,driver | 9.5 |
| 18. | (50Hz.)Horizontal scan frequency(Output) | 1 |
| 19. | Vertical feedback(Output to input) | 12 |
| 20. | Vertical input(50Hz.) | 0.8 |
| 21. | Vertical ramp(frequency adjust network) | 3.5 |
| 22. | "S" shaping(for linearity purpose) | 12 |
| 23. | Vertical blanking (Output) for sandcastle pulse generation | 1.5 |
