philips tv25pt3323/69s

[venkat]

hi, experts need your helps, i have tv model above , when switch on can start up up 10 seconds then shot off it self, i can see vertical lines on tv , gray colour screen.

i already change the folowing parts , still encounter same problem.need advice fron your all thanks

1 flyback change ready
2 horz drive MOSFET change ready (BU4508DX)
3 horz mosfet gate drive fet small fet 10N60