Bobzilla Posted June 7, 2015 Share Posted June 7, 2015 Anyone used GuitarAid London or Music Room London before? I have a markbass amp, which has decided that the output is going to be intermittently on (mainly off) and I have no idea why. It is probably a dry solder joint somewhere, but I am not sure where. Any other suggestions in London/Surrey/Hampshire? Thanks Quote Link to comment Share on other sites More sharing options...
molan Posted June 7, 2015 Share Posted June 7, 2015 Is Reading close enough? I know a good guy near there. Quote Link to comment Share on other sites More sharing options...
Bobzilla Posted June 7, 2015 Author Share Posted June 7, 2015 Reading is very close enough. PM me details please. Quote Link to comment Share on other sites More sharing options...
Sparky Mark Posted June 13, 2015 Share Posted June 13, 2015 I had the same problem with a LM3 . It turned out to be a fractured solder joint on the back of the quarter inch speaker output jack socket. If your confident enough in basic repairs it might be worth having a look for this simple fault before spending real money. Quote Link to comment Share on other sites More sharing options...
Grangur Posted June 14, 2015 Share Posted June 14, 2015 I had a LM2 that went off when it got hot and over heated. It also had a poor connection on the Speakon socket. This turned out to be the same fault. Poor connection causes heat and caused the thermal cutout to operate. Quote Link to comment Share on other sites More sharing options...
Bobzilla Posted June 15, 2015 Author Share Posted June 15, 2015 I might take a look at that. Thanks. I am relatively handy with a soldering iron, so if that is all it is, I would be delighted. Ta. I will still need to have my Trace looked at that has decided to go fuzzy on one channel. Quote Link to comment Share on other sites More sharing options...
Bobzilla Posted June 19, 2015 Author Share Posted June 19, 2015 (edited) Well, I think that it is fixed. The centre contact on the speakon socket was slightly bent so that it wasn't contacting the plug contact. A little bit of help from my screwdriver and its all fixed, making sure of course that I don't cause shorting problems with using it with a jack plug. Thanks to those that suggested that it was mechanical not electronic. Edited June 19, 2015 by Bobzilla Quote Link to comment Share on other sites More sharing options...
Sparky Mark Posted June 24, 2015 Share Posted June 24, 2015 Result! ☺ Quote Link to comment Share on other sites More sharing options...
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