Functions :
- Horizontal phase detector
- Sync separator
- Horizontal oscillator
- Horizontal driver (output )
- Second phase detector for storage compensation of Horizontal output
- Vertical oscillator
- Vertical trigger circuit
- Vertical driver (output)
- 3 level sandezstle pulse generator
- Video trasmission (mute)
| Pin No. | Functions | Voltage |
| 1. | (50Hz.)Vertical frequency,output | 3.4 |
| 2. | Vertical feedback | 0.9 |
| 3. | Vertical oscillator frequency (50Hz.) control (V-Hold) | 4 |
| 4. | Vertical ramp (sawtooth)generator | 7.3 |
| 5. | Composite video signal with negative going sync pulses,input | 3 |
| 6. | Sync separator | 6.6 |
| 7. | Noise inverter | 5.1 |
| 8. | Horizontal oscillator phase control loop 1 (sync pulses to oscillator) | 3.3 |
| 9. | Ground (-Ve supply voltage ) | 0 |
| 10. | Positive (+ Ve supply voltage) | 11 |
| 11. | 15625 Hz. frequency output | 1.4 |
| 12. | Flyback ( blanking ) pulse ,input | 0.1 |
| 13. | Video transmitter identification, output | 10.6 |
| 14. | Phase adjustment | 2.6 |
| 15. | Horizontal oscillator ( 15625 Hz. ) | 5.5 |
| 16. | Start supply | 9 |
| 17. | Sand castle , output | 1.4 |
| 18. | Coicidence detector, video tranmitter identification circuit | 5.8 |
