Orion Xtr5004 Failure - diyAudio
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Old 8th June 2012, 11:27 AM   #1
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Default Orion Xtr5004 Failure

Hi everyone I'm new on the Forum And Comment My Problem:

I Still Have This Orion amp And I Conect to the amp at 8 Ohms My Kickers L7 4 Ohms DVC first day work fine but second day it blown, so i open it and find 4 irfz44n transistor burned, so i replace the four transistor and check the 100 ohms gate reistor and they are fine,so i power un the amplifier with a 10 amp fuse and 12v bulve for proteccion, but when the amp turn on,it put itself on protecion mode and the bulb blink and the green led of power blink to, i check the transistor diodes and are good anybody some ideas can help me?

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Last edited by kalacho2006; 12th June 2012 at 08:03 AM. Reason: image post
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Old 9th June 2012, 12:28 AM   #2
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Old 9th June 2012, 01:12 PM   #3
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I see that nobody is interested my post, but just as I put an update.

apparently damaged 3 output transistors which caused the burning of the 4 irfn44n

then

4 IRFZ44N replaced, 3 output transistors by replacing

checking resistance of door and look good.

I hope some recommendations or tips if it does not matter anyway
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Old 10th June 2012, 08:16 AM   #4
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Hey Please, a moderator move this post to the righ place i' think im in the wrong section
maybe car audio section thanks and im sorry!!
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Old 12th June 2012, 08:20 AM   #5
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this is part of the work

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Old 12th June 2012, 11:50 AM   #6
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Have you reinstalled the output transistors?

Did you use exact replacements?
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Old 12th June 2012, 12:02 PM   #7
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no sir, I ordered the parts on Digikey and yes i buy the exact replacement you think i need replace all the 8 of channel or the damaged lot only?
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Old 12th June 2012, 10:43 PM   #8
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This is a 4 channel amp. It appears that you removed all 4 FETs from the defective channel.

I don't understand what you wrote.

Are the new FETs installed (yes or no)?
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Old 13th June 2012, 01:49 AM   #9
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Ok,the 4 fets are removed,I ordered 10 fet's to replace all the fet's of the channel
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Old 13th June 2012, 04:25 AM   #10
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Before applying power (after replacing the FETs), set the bias pot for that channel fully counter-clockwise. Also clamp all transistors and insert a 15 amp fuse in the B+ line to provide additional protection.
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