PL 9 19" CRT Monitor: my mag innovision lt716s 700p monitor screen keeps...
The picture board on your monitor is bad, since it goes
off after few seconds and the power led or button is on, it means the
board of your monitor has developed fault.
The best thing for you
do now is to take the monitor to a local repairer or service center within your vicinity
to help with the replacement of the picture board
because the fault is not something you can fix yourself, in order not to