Pin Details of IC HA 11228
Functions :
- IF AGC amplifier
- RF AGC amplifier
- PIF amplifier
| Pin No. | Functions | Voltage |
| 1. | Video IF coil | 9.3 |
| 2. | Positive(+Ve)supply voltage(vcc1) | 11.4 |
| 3. | Video IF amplifier variactor(variable voltage) | - |
| 4. | Video IF amplifier variactor(variable voltage) | - |
| 5. | Positive(+Ve)supply voltage(vcc2) | 11.4 |
| 6. | IF AGC control (keyed AGC) | 10.6 |
| 7. | Ground (-Ve)supply voltage | 0 |
| 8. | IF AGC amplifier input (keyed AGC) | 1.5 to 8 |
| 9. | Tuner supply voltage | 10.5 to 11 |
| 10. | Not connected | NC |
| 11. | RF AGC amplifier(delayed AGC) | 3.5 to 7 |
| 12. | Video amplifier input | 5.2 |
| 13. | Video amplifier input | 5.2 |
| 14. | Video IF coil | 9.3 |
