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JL audio 500/1v2 power supply problems.
JL audio 500/1v2 power supply problems.
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Old 21st January 2019, 04:16 AM   #11
Perry Babin is offline Perry Babin  United States
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Does it make any rail voltage?

Sorted rectifier?
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Old 21st January 2019, 04:53 AM   #12
rhempz01 is offline rhempz01  United States
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recitifier is testing ok, the recifier is removed.
I have at the 4R7 resistors
15v
-14.89v
15v

Last edited by rhempz01; 21st January 2019 at 05:04 AM.
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Old 21st January 2019, 05:18 AM   #13
Perry Babin is offline Perry Babin  United States
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If it's still drawing excessive current with the rectifier out, twist/push/pull on the transformer to see if that makes a difference.
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Old 21st January 2019, 06:13 PM   #14
rhempz01 is offline rhempz01  United States
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Power supply is healthy without the rectifier in curcuit. And the rectifier tests good. I just verified all the output the be good and not leaking.
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Old 21st January 2019, 09:06 PM   #15
rhempz01 is offline rhempz01  United States
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The rail voltage at the 4r7 resistor is all over the place. What voltage should I have at t601? So the 80v of rail is not at the torrid either. It is speratic, on the other 500/1v2 I have I have 80v of trail there. I don't know which one is correct since nether are working.

Last edited by rhempz01; 21st January 2019 at 09:31 PM.
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Old 22nd January 2019, 03:28 PM   #16
rhempz01 is offline rhempz01  United States
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Does this shut the rail voltage of from protection or would this be a failer of some components?
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Old 22nd January 2019, 05:11 PM   #17
rhempz01 is offline rhempz01  United States
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Bad choke in the output section. Can these be rewound or just purchased?
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Old 22nd January 2019, 06:20 PM   #18
Perry Babin is offline Perry Babin  United States
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Most toroids short near the terminal windings. Before doing anything significant, I'd suggest that you try to determine where it's shorted.
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Old 22nd January 2019, 07:14 PM   #19
rhempz01 is offline rhempz01  United States
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It melted all it's enamal off the winding internally. Pretty far down.
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Old 22nd January 2019, 07:24 PM   #20
Perry Babin is offline Perry Babin  United States
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It can be rewound.
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