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Voltage of crest audio 10001 trasformer power amplifier

Can not infor no where fred

Posted by Anonymous on

  • James Kovacs
    James Kovacs Aug 04, 2015

    Hi Anonymous, I want to help you with your question, but I need more information from you. Can you please add details in the comment box?

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3 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

StuartB
  • 807 Answers

SOURCE: Parts for Technics SE A900S Audio Power Amplifier

Here ya go.
http://www.vancebaldwin.com/products/?MSCAN7062

Posted on Mar 13, 2008

  • 5370 Answers

SOURCE: when i turn on my crest audio 8001 it stay in

The power transformer is getting short and overheated causing it to go in thermal protection mode.Also if the amplifier gets overladed by its connection, it goes to thermal mode.
The problems i have seen most often in Crest amplifiers is bad capacitors. They look fine from the outside but pull one out of circuit and measure it and there bad. These are the small electrolytic types. there are 2 sets of solid white wires from each output module to the output relays. Inject a a signal into the amp and take a look at the signal on those white wires. If the signal looks clean with minimal DC offset then you have bad caps causing it to stay in thermal protect. A very common crest amplifier problem.
Check in between the heatsink's. These amps have a tendency for those heatsinks to arc across the sinks. There are only 2 thin rails that hold the modules and rough tour duty service can cause those rails to bend and the sinks to touch and arc. Even a bug getting between the sinks can cause them to arc if the amp is running hard!
Also look for open resistors. This are possibilities, that can cause the amplifier to remain in thermal protect mode.
------------- This should help.Thanks.Helpmech.

Posted on May 31, 2011

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Dan

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