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Troubleshooting Spectrophotometer Problem

 
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gmickey2001
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PostPosted: Mon Jul 19, 2010 10:07 pm    Post subject: Troubleshooting Spectrophotometer Problem Reply with quote

Hi,

I have a spectrophotometer and the halogen light in it goes on briefly when it is cold, then turns off. The leads from the power supply board are not putting out voltage. I replaced this circuit board and the problem has not been resolved. I was going to start looking at the other boards but was wondering what type of component failure is likely to work when cold, but then fail once warm?

I have schematics etc., but am an amateur (hobbyist) at these types of repairs.

TIA

Greg
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