Question about ElectroVoice Audio Players & Recorders
Got a used P2000 that originally had the 'limit' light on on the A side, with no output. The B side worked fine. Replaced 4 capacitors on the input board. The amp worked fine for about a year. Now, if it's cool, it stays in protect until it warms up. For example, if it's about 70F or below, ambient temp, it takes about 5 minutes. Above 70F, it works perfectly. Once it comes out of protect, it works perfectly without going back to protect. This symptom occurs with/without input or load. I hate to run it in this condition, because I might be causing further damage. Any ideas? I'm a self-taught fixer-upper, but the schematic I got from EV's website is a VERY bad scan, and is unusable.
Normally it's the other way round, something gets hot and cuts out! The procedure for doing solving this is to spray the suspect device with Servisol Freezer Spray, when it stops functioning, if it's faulty the spray will make it come back on. But in your case I suggest you do the reverse of this. When it starts working spray a suspect part one at a time with Freezer Spray. If it stops working you have found the faulty part. To speed up the process you can heat it up with an soldering iron, plus check when you think you have found the culprit.
Posted on May 20, 2013
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Posted on Jan 02, 2017
This is most likely to be a heat issue where the amps overheat and shut themselves off then cool down and turn back on. Please check that the amps have proper ventilation and that any air ducts are clean.
Posted on Feb 26, 2009
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