Substitute : TDA1670(A), TDA1675
Functions :
- Vertical oscillator and Vertical output
- Blanking generator
| Pin No. | Functions | Voltage |
| 1. | It is one output of the power amplifier.It drive the yoke by a negative ramp current (50Hz.) | 13.7 |
| 2. | Supply voltage for power output stage | 21.4 |
| 3. | Vertical oscillator (50Hz.) | 3.4 |
| 4. | Vertical oscillator (50Hz.) | 0.5 |
| 5. | Input for sync pulses(+Ve)(50Hz.) | 0.4 |
| 6. | Output of the switch drive by the internal clock pulse generated by the threshold circuits | 0.5 |
| 7. | The current between Pin No.7 and ground decides the height of the ramp (sawtooth Pulse) | 6.8 |
| 8. | Ground (-Ve supply voltage) | 0 |
| 9. | Input of the buffer (output)stage | 3.9 |
| 10. | Output of the buffer stage and is internally connected to the inverting input of the power amplifier | 4.9 |
| 11. | Non inverting input | 4.4 |
| 12. | Inverting input of the amplifier | 4.3 |
| 13. | Output where the blanking pulse is available | 1.2 |
| 14. | Main supply voltage | 21.4 |
| 15. | Output the flyback generator | 1.4 |
