theotherphiljones Posted December 10, 2016 Share Posted December 10, 2016 Had this amp a couple of years. Used minimally. Recently sold it to a friend and he used it a couple of times and told me it now doesn't work. He's not trying it on, it really doesn't. The orange light turns on and the fan seems to be working. There's just no sound coming out. I've tried several cabs, same with all. Did a wee bit of research and figured I'd switch the valves out and see if maybe they'd died or had become faulty. Bought some new uns from the lovely folk at Watford valves and they glow and seem fine. NB the previous/original ones glowed too. Im a total leyman at this. Any ideas?? Quote Link to comment Share on other sites More sharing options...
theotherphiljones Posted December 10, 2016 Author Share Posted December 10, 2016 Sorry, forgot to mention, it still has no sound coming out. Oops Quote Link to comment Share on other sites More sharing options...
taunton-hobbit Posted December 10, 2016 Share Posted December 10, 2016 Something silly ? Duff speaker jack socket ? Quote Link to comment Share on other sites More sharing options...
theotherphiljones Posted December 10, 2016 Author Share Posted December 10, 2016 On the amp?? Dunno how I'd sort that??? Quote Link to comment Share on other sites More sharing options...
Happy Jack Posted December 10, 2016 Share Posted December 10, 2016 This ^ Also, are you testing using the same Speakon each time? A cable that hasn't properly"twisted home" and locked has caused me hours of aggravation in the past. Quote Link to comment Share on other sites More sharing options...
theotherphiljones Posted December 10, 2016 Author Share Posted December 10, 2016 I've tried several different speakon cables and speakon to jack. How do I sort the potential dodgy input on the amp??? Quote Link to comment Share on other sites More sharing options...
Woodinblack Posted December 10, 2016 Share Posted December 10, 2016 Do you hear any slight hiss at all from the amp, or a click when it turns on? Has he used the send or the return, in case one of them has broken or something. If you take the output from the send to the input of some other amplifier, or a mixer or something you can hear, you can tell if the preamp is working, just to work out which bit is not working (this would also work with the balanced out). Quote Link to comment Share on other sites More sharing options...
theotherphiljones Posted December 10, 2016 Author Share Posted December 10, 2016 Awesome! I'll try that tomorrow. Thanks Quote Link to comment Share on other sites More sharing options...
theotherphiljones Posted December 11, 2016 Author Share Posted December 11, 2016 Spoke to someone who's fixed a few of these and he suggests it's the power module that needs replacing. Apparently I have to send to orange. Gonna cost 100 bish. Gutted. Thanks for all the help tho!! Quote Link to comment Share on other sites More sharing options...
theotherphiljones Posted December 21, 2016 Author Share Posted December 21, 2016 Sent amp back to orange. The FET shorted and blew a internal fuse. They sorted at no cost and sent it back. Top service from orange! Quote Link to comment Share on other sites More sharing options...
karlfer Posted December 21, 2016 Share Posted December 21, 2016 Brilliant result, well done. And, WELL DONE ORANGE !!!!! Quote Link to comment Share on other sites More sharing options...
NancyJohnson Posted December 23, 2016 Share Posted December 23, 2016 I have a mate whose TB500 went the same way and I think he'd just given up with it and it was heading to landfill. Quick message sent. Quote Link to comment Share on other sites More sharing options...
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