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Topic: Strong switcher problem
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Jack Ondracek
Film God
![](http://www.film-tech.com/ubbmembers/1466.jpg)
Posts: 2348
From: Port Orchard, WA, USA
Registered: Oct 2002
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posted 01-04-2003 10:21 PM
I'm suspecting the answer to this might be "send it to the factory", but here goes:
A couple of years ago, I bought an Ultra 80 with a 7kW supply (model 6284001), an absolute blowtorch that made my largest drive-in screen blindingly bright and made me a true believer in the virtues of water cooling . Late last year, I reopened an indoor quad that had an X-60D with the same model switcher. Both lamphouses work fine with their respective power supplies.
I eventually decided the X-60 had to have a new reflector (ha!)... For expediency's sake, I brought in my Ultra-80 & hooked it up to the power supply that was already there. The lamp would not strike automatically, but would if you tripped the manual strike.
It turns out that the no-load voltage on the supply serving the X-60 is quite a bit lower than the one that came with the '80, though both are the same model. To make the '80 work automatically, I had to bring in the supply that came with it.
So.... the obvious question, since the manual says nothing about it and isn't particularly detailed: Is the no-load voltage adjustable or tapped?... or is there a problem with the supply. If the latter, is there anything I can do locally (I am conversant in component level repairs), or do I need to send it in to get it fixed?
Jack
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