Wow, I've never seen the box before! Good job saving it all these years. You probably should have gone through it before trying to power it all on... look for

Wow, I've never seen the box before! Good job saving it all these years. You probably should have gone through it before trying to power it all on... look for signs of arcing in the monitor... and yeah, replace blown/leaky caps everywhere... if not all of the good ones too.. And make sure the power is stable and clean before connecting it up/trying again.