Question about Jl Audio 500/1 Car Audio Amplifier
Aight.. i put speakers in my car(6.5round) and they were sounding good. and i had my 500/1 in there( not hooked up to a sub but all the wires were hooked up in it for some reason) then one day my buddy wanted to hear his subs in my car so i let him listen and t he amp worked fine. then like a week later my speakers cut off and wouldnt work. so i took it to the nearest audio and they said they needed to run new speaker wire to the speakers, then when i finally got my new kicker l7, the amp didnt work, it powers up but no sound from the amp. i just need some help trying to figure what the problem is. thanks
Wat do you mean by....run a test to see if the audio is being sent to the first pre amp in the actual amplifier. Once this is done you can determine if the samplifier is actually the problem. and..... schematic to troubleshoot the device? plz explain
Posted on Sep 12, 2007
You need to determine first if sound is getting to the amplifier. Then once you are sure of that you need to run a test to see if the audio is being sent to the first pre amp in the actual amplifier. Once this is done you can determine if the samplifier is actually the problem. If it is you will need a schematic to troubleshoot the device.
Posted on Sep 08, 2007
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It sounds like you have a broken output filter inductor in the amplifier. You should be aware that the speaker outputs of the amp are biased at ~40v DC and can give a good shock if you touch the speaker wire while you're grounded (touching the body of the vehicle).
When you connected the speaker as you did, I would have expected the speaker to move in or out and remain there while the wire was connected to the housing of the amp. I'll assume that the amp was screwed down to the chassis of the vehicle. If it wasn't, you may have more than one problem.
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Sony generally drives their power light from a source that does not rely on the amplifier's switching power supply. This means that it's not a good indicator as to the health of the amplifier.
As long as you have B+ and remote voltage, it will light up. Since you've tested the speaker and the signal source, I think the amplifier is likely defective.
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