My Marshall MS2 amplifier is not working. I can plug it into the adapter and it will work but then i unplug it it will not work. Even with a new 9-volt battery it still wont work. Please tell me what to do.

• fuse on the Marshall MG100DFX amplifier is located on the back panel of the amplifier, near the power cord.

To access the fuse, you will need to follow these steps:

1. Unplug the amplifier from the power source.
2. Locate the fuse holder on the back panel, near the power cord.
3. Use a flathead screwdriver or other similar tool to gently pry open the fuse holder.
4. Carefully remove the fuse from the holder by pulling it straight out.
5. Inspect the fuse to see if it is blown or damaged. If the filament inside the fuse is broken or the fuse is discolored, it may be blown.
6. If the fuse is blown, replace it with a fuse of the same rating. The Marshall MG100DFX amplifier uses a 2A, 250V slow-blow fuse.
7. Insert the new fuse into the holder and press it down until it clicks into place.
8. Close the fuse holder by gently pressing it back into place.

Once you have replaced the fuse, plug the amplifier back into the power source and turn it on to see if it is functioning properly. If the amplifier still does not work, you may need to have it serviced by a qualified technician.

The fuse in a Marshall MG100DFX amplifier is located on the rear panel of the amplifier, near the power cord.
To access the fuse, you will need to unplug the amplifier from the power source, and then locate the fuse holder, which is a small, cylindrical component with a cap that screws off. The fuse holder should be labeled with the appropriate fuse rating for your amplifier.
Once you have located the fuse holder, you can unscrew the cap and remove the old fuse. You can then replace it with a new fuse of the same rating, and screw the cap back on securely.
It's important to note that if your amplifier blows a fuse, it may be an indication of a more serious issue, such as a short circuit or a problem with the power supply. If you replace the fuse and the amplifier continues to blow fuses, it may be necessary to have it serviced by a professional technician.

Have you checked a different cable?. Also, when you plug in the unit, there should be a "pop" if everything is turned on. If there isn't, the connection is bad someplace.

Exercise your warranty IMMEDIATELY since you just bought it! If you bought this used, you LIKELY bought someone else's problem. The problem is likely in the digital effects area... probably a bad cable contact... but if under warranty DO NOT mess with it... return it for replacement or repair.

This usually indicates that your neutral and live are backwards. Try plugging the unit into a different outlet elsewhere (different room)
If it still is buzzing, look for a GOUND LIFT switch in the back, it may have inadvertantly gotten flipped to the wrong position.

NOT SURE WHAT FLUG MEANS? IF YOU MEAN PLUG. CALL GHOST BUSTERS.

The power supply is blown. Argentina is 220V I believe. I have never seen a power supply schematic for this however being that it is low power it is a linear supply not switching. Either the rectifier diodes are blown out or possibly the output capacitors are blow due to approx double voltage. If you try this yourself be careful otherwise get a new amp. Good Luck

This is a problem I would recommend for a qualified Marshall amp service person to look at. Worst case scenario is that somehow the speaker out put transformer or the power transformer burned out. They aside from output tubes are the most expensive parts to replace. Add shop labor on top. Ask for an estimate first. Consider how much a new amp will cost and then decide. I would personally go for the repair myself.

It sounds like the speaker output jack is broken or it has come unsoldered from the circuit board. You can fix this if you have enough electronics experience but you have to be very careful as components in an amp can carry a lethal charge even after being unplugged. You can partially discharge the capacitors by unplugging your amp from the power source with the speaker plugged into the working jack and set at a low volume while turned on ( not on standby ). If you feel at all uncomfortable attempting the repair yourself you are far better off taking it to a repair shop preferably one with experience with Marshalls. The same is true for other brands as well. Please let me know if this helps.

First of all I would call the radio station and let the know that there over modulating just a bit.this has happened to me a few times even on my tel/phone. I use to get WOKO on my amp. You can try and move the amp to diffrent location , reverce the polarty switch on the back , not much more you can do. But watch out when you here music comming from you toster your in big trouble, just kidding. Good luck DFD