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05/07/2006 6:16 pm
For some reason I am getting static from my GMX210 when it's sitting just on (not playing) and sometimes when I am playing and this is while it's on clean or distortion. It's not a consistant static though...It goes on then off, louder then softer and not all the time. If I tap the top of the amp it stops. I took the back off yesterday to see if there were any loose connections and to blow any dust that may have accumulated. (There wasn't any dust.) I still had the problem. It seemed to happen less when it's really warmed up (on for at least an hour or so). I checked all the controls to see if one of them were causing it (like bad pot's on a guitar) but nothing.
Any ideas where I should look next? I am assuming it may be something on one of the circuit boards but I am not sure.
Thanks
06/07/2006 3:42 pm
By the sounds of it I'd say something is wrong with the jack(probably a faulty solder connection). Without actually looking at it it's hard to tell.
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06/07/2006 3:58 pm
Thanks art&lutherie. I think it may only be happening on channel 1. I switched to channel 2 and I haven't heard anything yet (knock on wood! :!: ). When I took it a part yesterday I ddidn't notice any loose wires but then again I really didn't know where to look.
07/07/2006 5:24 am
Maybe check to see if any thing that plugs into any of the boards has come loose. Could even be a bad solder joint, when it gets warmed up the joint fits tighter which would create a better connection.
Joe
07/07/2006 8:55 pm
Maybe check to see if any thing that plugs into any of the boards has come loose. Could even be a bad solder joint, when it gets warmed up the joint fits tighter which would create a better connection.
Joe
I went back and checked everything again and I think (Knock On Wood!!) I got it. I took the amp apart again but this time plugged it in and turned it on. I took a PLASTIC pen (not the tip but the back of the pen) and poked at some of the connections to see if I got the static. It turns out it was one of the wires (for those that know about computers it looks like the flat IDE cables for hard drives) wasn't pushed in all the way into one of the circuit boards. It would be easy to miss because it looked like it was on fine. I have had the amp on for about 3 hours now and so far so good!! 8) 8) 8)
Thanks everyone!
08/07/2006 7:16 am
Your Welcome.
It's good to hear it was an easy fix.
joe
08/07/2006 8:23 pm
Way to go Mike! There is an old saying (this doesn't apply to you personally), that even a blind pig finds an acorn occasionally. :D
Back in the 70's a co-worker sold me a Fender Bandmaster head with a 4 X 12 cab for only $100. Thing is, the amp did not work. But I took a chance and bought it anyway. I took out the chassis and right away noticed a burned resistor. Luckily for me I could still read the color code. I went down and bought a resistor for about $1 and soldered it in. The amp worked great. Some might say there is a reason the resistor burned, I didn't care, I never had a problem with it, used it for years. I traded that head and cab to a friend for an acoustic guitar a few years later. Wish I had kept that amp, they bring big dollars today. Plus, it sounded awesome.
If you know something better than Rock and Roll, I'd like to hear it - Jerry Lee Lewis