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    Stage Line 500W amp repair project

    Alive and well harald
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    Stage Line 500W amp repair project

    Well its been a while again, just a quick update, i have been playing with this thing since 2014 , But its been an adventure, since i have been away i have still been trying to learn and have been working on this thing, i came close a few times to binning it but i never seemed to be able to, as...
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    Stage Line 500W amp repair project

    So was i, i just dont think i am capable of this yet, i honistly dont think its far away, one chanel is working but poorly and the other has no drive at all
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    Stage Line 500W amp repair project

    If anyone does decide to have a go, all i ask is you post on here so i can read and possibly learn where i was going wrong
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    Stage Line 500W amp repair project

    I obviously wasnt cut out for this, its hard work trying to understand all the technical jargon, let alone learn how to use all these instrument's along the way, i think i may have to start with something smaller and work my way up to something this size, would anyone else like to have a go at...
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    Stage Line 500W amp repair project

    Hi guys sorry its been a while, had a lot on, will try and crack on again soon, Pete
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    Stage Line 500W amp repair project

    Sorry for the late reply, i have had my orders from she who must be obeyed and have decking to build and a garden to sort out before the summer comes, i will be back after the weekend to do some more and give an update, also i am not sure how i know if its symmetrical, i understand what you...
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    Petrol kart conversion to electric

    Bob, your kowlage knows no ends, all suggestions are appreciated , thank you
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    Petrol kart conversion to electric

    I can also use the gearing to gain power and ecceleration
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    Petrol kart conversion to electric

    This dosent have to be as fast, just enough to last 30 mins or so, any recommendations on motor and battery ?
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    Petrol kart conversion to electric

    Would something like thisbe suitable? https://www.ebay.co.uk/itm/1000W-48V-electric-motor-Controller-Throttle-Chain-Go-Karts-go-kart-T8F-11T-/333695346044?_trksid=p2349624.m46890.l49292
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    Petrol kart conversion to electric

    Hi , long story short i bought my eight year old son a petrol kart to try get him into the sport, problem is he hates the noise, so i am thinking of scraping the motor and converting to electric, now its currently a 60cc 2 stroke and should reach 40 mph or so, possibly more (never used it) ...
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    Stage Line 500W amp repair project

    If it was the fuse resiator it was F2, its burned but not gone open circuit, thats +45v for the right chanel, it was when i cranked the sig gen output up
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    Stage Line 500W amp repair project

    My scope is single chanel, i didnt manage to get it to clip and i did increase the sig gen output but something started to fizzle, i think it was a resister fuse, as for the same output level i will have to check, the green led is just stereo indicator the one next to it is bridged, And thats...
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    Stage Line 500W amp repair project

    Ok, i connected my sig gen to the rleft chanel as this is the worst one, injected 1000hz sine wave, connected my scope to the output, no gain/volume the scope reads nothing, turn the volume up and i get 1.000hz, see photos, same for the right chanel, Not sure on the peak to peak voltave
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    Stage Line 500W amp repair project

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    Stage Line 500W amp repair project

    I think this project is getting a little out of hand :-/
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    Stage Line 500W amp repair project

    I will try do this ASAP
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    Stage Line 500W amp repair project

    So how do i use this equipment to diagnose the problem ?
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    Stage Line 500W amp repair project

    I am at the point where the protection circuit is no longer activating and the unit powers up with no faults, the left chanel has little to no output at all, the right chanel has some amplification but is badly distorted, the pre amp and gain seems to work ok on both chanels
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