Functions :
- Sync separator
- AFC
- Horizontal oscillator
- Vertical oscillator
- Horizontal driver
- Vertical driver
- Phase detector
- Vertical blangking generator
Pin No. | Functions | Voltage |
1. | Vertical driver output(50Hz.) | 5.5 |
2. | Vertical feedback to vertical comparator | 4.4 |
3. | Vertical oscillator frequency(50Hz.)control (V-Hold) | 5.4 |
4. | Vertical sync separator (50Hz.) | 5.3 |
5. | Composite video signal input to sync separator | 3 |
6. | 7.9 | |
7. | Horizontal oscillator (15625Hz.) | 6.4 |
8. | Horizontal oscillator (15625Hz.)phase control phase detector | 3 |
9. | Ground (-Ve supply voltage) | 0 |
10. | Positive (+ Ve supply voltage) | 12.4 |
11. | Horizontal frequency output (15625Hz.) | 3.8 |
12. | Flyback (blanking) input pulse ( 15625Hz.) | 0.4 |
13. | Video tranmitter identification output | 6.8 |
14. | Horizontal oscillator phase control ( 15625Hz. ) | 2.6 |
15. | Horizontal oscillator frequency control ( 15625Hz. )H-hold | 4.4 |
16. | Positive stabilized supply to start circuit | 9 |
17. | Sand castle pulse output | 1.4 |
18. | Coincidance detector (phase detector) | 0.6 |