I owned two Kaiser LS1000 system, with a PFN built in for an Er:Yag laser. One of the kaisers run without problem for a few shots, and then it started to make a strange ticking/buzzing sound frm the system. So now each time I switch the system ON, there's no output coming frm flashlamp, only buzzing/ticking sound.
It sounds like the ticking is coming frm the board with 4 (200V, 1200uF) caps...
I suspect that something is shorting here that disabling the ignition to the flashlamp. Just my assumption.

Anyone knows/experienced this before? How to solve it?