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Old 14th February 2010, 08:10 PM   #1
ppia600 is offline ppia600  United States
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Default lightning audio 1000 d amp from the closet

I decided to see if the driver/modulator board from this amp would be the same as the "planet audio" I'm trying to repair so I dug around and found it. It has a totally different board so maybe I can try and diagnose this as well. Nothing in the amp appears scorched, and I couldn't find any bad solder joints or shorted power supply or output transistors. The amp's problem is that it sometimes won't power on... no current draw at all. It was a friend's a few years back and I couldn't find out why it wouldn't power on. He got another amp shortly after and told me to just keep this one. Funny thing is, I just powered it on and it works perfectly???? It wouldn't power on no matter what a few years back. ????????? Wow, now I have to try and get it to shut down to try and diagnose it lol
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Old 14th February 2010, 10:38 PM   #2
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Do you know if the amp was possibly going into protect mode before?
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Old 14th February 2010, 11:11 PM   #3
ppia600 is offline ppia600  United States
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Can't remember exactly what the original symptoms were. I only remember it wouldn't power up with my power supply at all. Now it does, guess I'll have to run it at 2ohm somehow and try and warm it up.
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