We had a plasma in the workshop a few weeks ago,
Search led me to http://www.pacificdisplay.com/links.htm
Reading the internet forums, it looks like no info posted for power supplies. but they all tend use a generic power supply.
The one in workshop had a bad backlight inverter, but we could not find the problem, so disconnected power feed to the inverter, and rewired the backlight to an inverter which was taken from a cracked laptop screen.