Field output circuit: AN5534

This circuit is taken from Changhong N2918 color TV. Pin 1: 9V - 9V power input. Pin 2: 1.2V - Field trigger pulse input. Pin 3: 3.2V - Field AC negative feedback input (field amplitude). Pin 4: 4V - 50 /60Hz switching input, 50Hz=H, 60Hz=L Pin 5: 5.4V - Field sawtooth waveformation Pin 6: 5.0V - Field AC negative feedback input (field linearity) Pin 7: 27V - Power supply Pin 8: 1.3 V - Field reverse pulse output pin 9: 0V - Ground pin 10: 14V - Field scan output pin 11: 27V - Pump power input pin 12: 1.2V - Anti-self-excitation capacitor