We had a problem with our Vic 5 during these days. There was a blown relais. Despite it has been replaced, the projector won't start so our tech found out that in the lamphouse the 70/90V jumper was set on 70V. He moved on 90V and now all is work regularly.
Question: what is the purpose of that jumper?
We have a 3000W bulb but we had a 4000W before.
Thanks
Antonio