PIN DETAIL of IC A241D
Substitute :TDA2541, TDA3541,TDA8341.
Function :
1. Video IF amplifier
2. AGC
3.AFC detector
4.Video detector
Pin No. | Functions | Voltage |
1. | Balance IF. Inp | 4.7 |
2. | Decoupling capacitor for the D.C.feedback loop of the If amplifier | 4.7 |
3. | Adjusting pin for starting point of tuner AGC | 1.3 |
4. | Tuner AGC Output | 3.3 |
5. | AFT Output | 5.5 |
6. | AFT On/off Switch | 11 |
7. | AFT circuit to obta in π/2 phase shift of the reference carier | 3.8 |
8. | Circuit of passive regeneration of the IF picture carrier | 7.9 |
9. | Circuit of passive regeneration of the IF picture carrier | 7.9 |
10. | AFT Circuitry to obta in π/2 phase shift of the reference carier | 3 |
11. | Positive (+Ve)supply voltage(10.2 to 13.2V;40 to 70mA) | 12 |
12. | Video output | 4.2 |
13. | Ground (-Ve supply voltage) | 0 |
14. | IF AGC ,VCR switch | 4.7 |
15. | Decoupling capacitor for the D.C.feedback loop of the If amplifier Balanced IF input | 2 |
