-Check out horizontal output transistor, b+ fet and flyback transformer in the event you maintenance a Keep an eye on. Anytime, if either one of these factors have failure, it'll affect the power provide functions. Testing fet and flyback transformer could be read through by clicking over the blue url. https://powersuppliesrefurbishmen67677.jiliblog.com/87722407/the-2-minute-rule-for-power-supplies-refurbishment