ic TB1254AN

Data pin Out ic TB1254AN : pin 1. IF VCC pin 2. Ripple Filt pin 3. SIF out pin 4. Audio out pin 5. IF gnd pin 6. IF in 1 pin 7. IF in 2 pin 8. N.C pin 9. RF agc pin 10. IF agc pin 11. APC filter pin 12. Xtall 4.433619 Mhz pin 13. CW out pin 14. Vcc +9v pin 15. Ys/YR 5v pin 16. Ext R in pin 17. Ext G in pin 18. Ext B in pin 19. Y/C gnd pin 20. R out pin 21. G out pin 22. B out pin 23. IK in pin 24. V ramp pin 25..V.nfb pin 26..V out pin 27. I reff pin 28. ABCL in pin 29. H afc filter pin 30. Ref in/SCP det pin 31. H vc +9v pin 32. H out pin 33. Dig gnd pin 34. SCL pin 35. SDA pin 36. Black det pin 37. Dig vdd pin 38. Sync in pin 39. Y in pin 40. pin 41. Mon out pin 42. Y/C vcc +5v pin 43. C in pin 44. Y in pin 45. V.in pin 46. Ext video in pin47. Loop filter pin 48. TV in pin 49. De emp pin 50. Pif tank coil pin 51. Pif tanl coil pin 52.DC nf pin 53. Ext audio in pin 54. IF det out pin 55. Aft ouy pin 56. Sif in.