Pin Details of IC KA2915
Substitute: AN5151(N)
Function:
- Vision IF ampliefier and video detector
- RF AGC and IF AGC
- Tuner AFC
- Video pre-amplifier and noise canceller
- Sound IF amplifier and detector
- Audio pre-amplifier
- Sync separactor
- Vertical trigger
- Vertical oscillator and driver
- Horizontal AFC
- Horizontal oscillator and output
Pin No. | Function | Voltage |
1. | IF amplifier,input | 4.8 |
2. | RF AGC control(Delayed AGC) | 6.2 |
3. | RF AGC output for tuner (delayed AGC) | 2 |
4. | IF AGC (keyed AGC) | 2.4 |
5. | Video signal,output | 4.8 |
6. | Sync separactor,input | 6.4 |
7. | Sound IF amplifier,input | 2.8 |
8. | Sound IF amplifier | 3.2 |
9. | FM detector tuned circuit | 4.5 |
10. | FM detector tuned circuit | 4.5 |
11. | Audio signal output | 3.2 |
12. | AGC control voltage for tuner | 1.6 |
13. | Tuner AFT | 2.6 |
14. | Video detector | 6.8 |
15. | Video detector | 6.8 |
16. | Start supply voltage (positive terminal) | 10 |
17. | 15625Hz. frequency,output | 1.2 |
18. | Horizontal oscillator(15625Hz.) | 6.2 |
19. | Horizontal AFC output(15625Hz.) | 2.8 |
20. | Positive(+Ve)Suplly voltage | 10 |
21. | Ground (-Ve)suplly voltage | 0 |
22. | Horizontal AFC | 2.4 |
23. | Sandcastle pulse,output | 0.2 |
24. | Vertical oscillator(50Hz) | 5.6 |
25. | Vertical oscillator,feeback | 0.4 |
26. | 50HZ.frequency output | 3.2 |
27. | Over voltage protection | 0 |
28. | IF amplifiers input | 4.8 |
