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Crown Xti 1000 - No power

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    #41
    Re: Crown Xti 1000 - No power

    Not much cheaper mouser in Australia is slow, RS is usually next day.
    Hoping to to use to-247 package until I am sure I have this working.

    https://au.rs-online.com/web/p/igbts/1241334/ not sure if this would substitute it

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      #42
      Re: Crown Xti 1000 - No power

      hi can you help me on the way. i have a xti2000 that comes on all the way and shows ready, after 20 sec it shuts down. i read 337 volts over tp 30 an 21 or on D24 pos neg. i see it should be 300v. what causes this. next i have a 1000xti that has 172 volt on tp30 or d24 , this amp does not come on at all, i measure 32 volts on tp31 but 2 volts on tp28 and 29. i also measured at c196 and i get 32v over that cap. hope some one can help

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        #43
        Re: Crown Xti 1000 - No power

        Hi. I have the same problem with a DSi 1000 that is basically the same board as XTi. In my case the amplifier turn on, K1 switch and then i can hear K2 and after few seconds the amplifier turn off. I allready replace TL494 and C196 cap. IGBTs readings looks ok.

        I hope you can help me with this.
        Thanks guys.
        Mike.

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