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 wave formation

Pin 6: 5.0V - Field AC negative feedback input (field linearity)

Pin 7: 27V - power supply

Pin 8: 1.3V——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-excited capacitor