blind pilot Posted July 23, 2010 Share Posted July 23, 2010 HELP ! i have a HA3000, that i love, but last night it developed a problem. For the first time, i used the post effects line out/in and since then, after disconnectin from there, i have no sound output. Now if i use a 'patch' cable between the out/in the amp produces sound. my question is, do these jacks have some sort of switch to by-pass the i/o when not in use, and is it possible that if so, its just a bit sticky? or is there any thing else i can check, really stuck, and strapped for cash, so its me out of the game until i can fix this cheers! BP Quote Link to comment Share on other sites More sharing options...
Dood Posted July 23, 2010 Share Posted July 23, 2010 [quote name='blind pilot' post='902822' date='Jul 23 2010, 09:05 AM']HELP ! i have a HA3000, that i love, but last night it developed a problem. For the first time, i used the post effects line out/in and since then, after disconnectin from there, i have no sound output. Now if i use a 'patch' cable between the out/in the amp produces sound. my question is, do these jacks have some sort of switch to by-pass the i/o when not in use, and is it possible that if so, its just a bit sticky? or is there any thing else i can check, really stuck, and strapped for cash, so its me out of the game until i can fix this cheers! BP[/quote] Yes they do mate! - The return jack, as you have rightly said has an extra contact on it that acts as a switch to bypass the effects loop when there is nothing attached to it. When you plug in a lead the 'switch' disconnects and allows the loop to work. I have had this very same problem with another amp and at the time I never bothered to fix it - I just left a very short patch lead plugged in to the loop instead - completely safe to do so! It's likely that the contacts have become dirty or tarnished, or slightly bent out of place, thus not doing the job properly. A person qualified to lift the lid (my disclaimer!) can sort the problem and should charge very little for the fix. In the unlikely event that the socket needs replacing - a suitable socket is only a few pounds from an outlet such as Maplin. Quote Link to comment Share on other sites More sharing options...
blind pilot Posted July 24, 2010 Author Share Posted July 24, 2010 Dood, thanks! i will take the cover off after work today, i was pretty sure it would be something easy like that! thanks again! BP Quote Link to comment Share on other sites More sharing options...
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