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130 amplifier keeps blowing fuses ?

 
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PostPosted: Mon Nov 21, 2005 12:34 pm    Post subject: 130 amplifier keeps blowing fuses ? Reply with quote

i got a avr 130 amplifier,

i noticed it had blew 2 power transistors i replaced them and on power on it keeps blowing 2, 5 amp fuses in power supply, and it also blew the new recplacment power transistors again?

anyone please advize what the problem might be?
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polaret



Joined: 23 Oct 2004
Posts: 90
Location: greece

PostPosted: Mon Nov 21, 2005 6:36 pm    Post subject: Reply with quote

Hello before you put new power tr again you must check the driver (of this)stage tr- resistors and finaly without power tr, check voltage and polarisation
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