All voltage ok but EHT Flyback transformer not generate high voltage. CRT TV China kit,

China colour Tv Kit PROBLEM:- All voltage is Ok But CRT TV is not turning on Flyback transformer is not generate high voltage. I Checked ? +5v & +8v DC Ok, +110V DC Ok , +24V DC Ok, Driver Transformer Voltage is Ok, Memory IC And Memory supply Is also Ok, What's Problem ? CHINA CRT KIT Features & details .* 8873 6PR6 Toshiba Solution * TV Kit for 14” /20” /21” /Ultra Slim * PAL / NTSC / SECAM * Full Function Remote * Full Function Remote * Power AC 150-270 / STR Supply Please don't forget to subscribe. For enquiries:- Electronicmultiple@gmail.com Mobile No :-