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Old 27th June 2012, 06:04 PM   #1
jkr is offline jkr
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Default JL Audio schematic

Hi, I am looking for JL audio 1000/1 schematic.

thanks
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Old 27th June 2012, 07:14 PM   #2
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They are virtually impossible to get. What do you need to know?
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Old 28th June 2012, 02:55 PM   #3
jkr is offline jkr
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Default JL audio 1000/1

The problem is that, it is turning on and off, draws large current without any load. All output FETs are ok, all diodes OK. On FET there is only 5.7V.
Capacitors looks ok. No burnt part visible also.
Any idea?
Thanks
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Old 28th June 2012, 03:27 PM   #4
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The amp is going to draw fairly significant current when it powers up. Was it blowing fuses in the vehicle?
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Old 28th June 2012, 05:06 PM   #5
jkr is offline jkr
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It doesnot blow fuses, just power led blinks. I can see current draws more than 5 amps and then goes down. looks like, power supply side problem. no audio.
schematic would be helpful.
thanks
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Old 28th June 2012, 05:13 PM   #6
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Does it do this on a car battery?

Are you using a power supply to try to power it up?

These amps are VERY sensitive to dips in voltage and will shut down if it drops too low. The dip in voltage that's too quick to be read with a multimeter can shut it down.
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