Pin Details of IC KA 2105
Substitute : TA 7337
Functions : Sound IF amplifier and FM detector
| Pin No | Functions | Voltage |
| 1. | Ground (-Ve)supply terminal | 0 |
| 2. | 5.5MHz. Inter-carrier sound input(SIF input) | 1.9 |
| 3. | 5.5MHz. Inter-carrier sound input(SIF input) | 1.9 |
| 4. | Positive (+Ve)supply voltage | 11.5 |
| 5. | Ground (-Ve)supply voltage | 0 |
| 6. | FM detector (SIF detector coil) | 4.4 |
| 7. | FM detector (SIF detector coil) | 3.8 |
| 8. | Decoupling capacitor | 6.8 |
| 9. | Audio freuency output | 5.1 |