Question about Audio Players & Recorders
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Posted on Jan 02, 2017
SOURCE: 1200 watt OV2-1200 amp diagram
It probably has shorted output transistors. Most of the time, all you need to do is replace the shorted output (and those in parallel with it).
Email me if you want the schematic. It's probably not needed for this repair.
Posted on Dec 19, 2008
SOURCE: amps broken need to fix it
Their may be a schematic on the inside of the amp.I don't remember if Crate puts one or not. And I have had several Crate amps. never needed repair except for tube replacement. If there is not one in side , go here and find what you need . http://www.crateamps.com/support/warranty/ Good luck DFD please rate me TK U
Posted on Apr 19, 2009
Hi. use this link to check for the schematics.
Posted on May 31, 2010
Witth an oscilloscope analyze the ripple voltage across C67, C70, C14, and C12. Pay close attention to the last two of these which are on +/- 15 volt lines.
The "chirp" when shutting down is LIKELY normal and would probably be from teh DSP effects unit as it goes down. The voltages go out of the operating range and the device essentially goes nuts for a second or so.
Posted on Sep 16, 2010
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