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Old 20th March 2017, 05:30 AM   #1
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Default Xtanat 1000.1

Anyone have a schematic for these amps?

Its an Xtant X1001
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Last edited by seankane; 20th March 2017 at 05:33 AM.
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Old 20th March 2017, 08:02 AM   #2
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I don't think that I've ever seen an xtant diagram. What's the problem?
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Old 21st March 2017, 05:16 AM   #3
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The amp powers up with about 20-25 amps of current draw until caps charge, the idles at about 1.5 amps. I see no LED lights lit and there is no sound output.
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Old 21st March 2017, 12:05 PM   #4
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Do you have rail-rail oscillation on the output transistors?

Do you have positive and negative rail voltage?

Do you have positive and negative supply voltage on the op-amp power supply pins?
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Old Yesterday, 04:08 AM   #5
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I have +75/-75 volts rail
I have no positive or negative regulated voltage to any op-amps.

I see positive regulated at a few of the devices on the board but no negative. Where is the negative regulator?

I'm not sure why the pos/neg regulated is not making it to the op-amps?
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Old Yesterday, 05:37 AM   #6
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Do you see any square wave signals or DC on the SMD diodes near the small yellow transformer near the speaker terminals?.
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