Guitar Amp trouble...... Gets power but either no sound or very little.
Hey, hope you can help me. I have a Torque guitar amplifier and the thing is just playing up and I can't afford to have it repaired so need to tackle the thing myself. It turns on as normal but just wont put out any sound. At best I get broken sound of such poor quality that it sounds more like a weak buzzing noise but that just comes at totally random intervals and then that sound will disappear. I have tried different leads so its not a lead problem and I dont think it is the actual speaker itself either as I have tried just plugging headphones into the amp only to get the exact same results.
So..... Gets power but wont produce any sound apart from random spurts of sound so bad in quality it sounds like a cheap kiddies keyboard that is running low on batteries (literally). Same result with or without headphones.
What can I do?
Re: Guitar Amp trouble...... Gets power but either no...
Your problem sounds very similar to mine. I have a Marshal that does the same thing. It gets power but either no sound comes out or it's fragmented and buzzing. I took the circuit board out and found that a fuse had pulled/been knocked loose and was hanging free. If you take your amp apart, make sure you unplug it first. You're going to be be looking for something that look likes a small lego that suspended above the circuit board by wires coming out of both ends. If ones of these wires has pulled free then that's your problem. You can temporarily fix it by pressing the wire back into the circuit board and placing electrical tape over the top of the fuse to hold it all in place. If you do this, however, you can't play loud or it will rattle loose again and you don't really get more than about 10 minutes of play time. I'm about to solder mine whenever the guns arrives, so I'll let you know if this is a DIY project or not.
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First of all I suggest that you try your guitar through another amp you know works without the feedback. There is a very slim chance there is something wrong with your guitar but I would say no. You didn't mention what kind of amp you have: solid state, tube or hybrid. It would help if you tell us what brand and model number your amp is. Try setting your amps controls the way you usually have them and using a long cord that works properly, isolate your guitar by putting it in a room with the door closed by running the cord under the door. Is the feedback still there? Try playing with your back to the amplifier. Is the feedback still there? You need to identify the problem. Is it your guitar or is it the amp? Here is a link to tube amp troubleshooting:http://www.geofex.com/ampdbug/ampdebug.htm Here is a link to guitar feedback causes:http://www.guitarsite.com/discussion/messages/23765.shtml If you decide it is your guitar you can have a look for broken solder joints etc. There are wiring diagrams on the internet. If it is your amplifier, you should take it in to be serviced. Take it to a dealer that carries and services that brand. Unless you have all the tools, a schematic and electronic troubleshooting experience you are in danger of injuring or killing yourself or making the problem worse. Hope this helps.
This could be caused by a few things. The cable could have a short in it so try it out on a different guitar. If it works the jack on the guitar could have a loose solder joint. This is usually caused by putting stress on the cable and causing the jack to move.
The windings of the pickup might be bad. Basically these are magnetic pickups that take the string vibrations and by using transducers converts the vibrations into electrical energy and the by using preamplifier's and finally a main amplifier it takes the electrical energy and then turns it into sound. It sounds like in your case the pickups need to be repaired or replaced.
Now I would check the amplifier first and the run a test on the output of the guitar to make sure the potentiometers (volume, tone, etc) are ok. If these are ok then I would really suspect the pickups.