You said, the best and easiest way.
Since a blown fuse indicates a short, your amp will blow as many fuses as you put in it, until you remove the short.
If it appears that you blew fuses, the main amp would appear to be the cause of the short. The best and easiest way to solve the problem is to take it to the Marshall dealer or an electronics repair shop. In the future, do not connect or disconnect speakers with the power turned on, and don't connect more speakers than the manufacturer recommends. The AC input fuse is inside, very near the end of the AC cord. If the glass is discolored, the fuse link inside the little fuse exploded. If it went out that violently and you replace it without repairing the short, you will get to see it blow again. The reason the fuse is inside is because in the brief second that it takes for the fuse to go out additional damage can be done in the world of solid state electronics. That's since 1972,
SOURCE: power does not turn on for a marshall avt150h amp.
If the fuse blew for a reason, replacement MAY do further damage.
The way to test is to put a 150 watt light bulb in series with one of the power input wires and replace the fuse. The lamp will limit the current so further damage would not be done.
If lamp stays off and unit works, you are good to go. If lamp stays on, then service is required.
SOURCE: I have a Marshall guitar amplifier model MG50DFX,
I have the same problem. It would appear that this particular series of Marshall amps have a "bug" in them. There are at least 10 other MG50DFX owners, some here at Fixya, others at Harmony Central that have the same problem. Check out the other replies to this problem here at Fixya. I'm gonna try spraying the jacks and pots with a good cleaner. Then, I'm gonna try inserting a patch cable between the FX in and out. This seems to produce sound according to the other replies here at Fixya. Although this may not fix your amp, or mine, for that matter...I'm gonna try everything I can before I have to send it off for repairs.
SOURCE: replacement speaker amplifier in my marshall mg100hdfx head
Yes. You can get them from Mouser electronics at $3.42 in singles.
http://mouser.com/Search/Refine.aspx?Keyword=TDA7293
SOURCE: Hi, I have a Marshall 8240. The Reverb output
probably the reverb tank These coils are very thin and tent to break easily
SOURCE: mp3
The problem is that a CD has a stereo signal and the Marshall is mono.
You could make a simple mixer cable with resistors as a completed cable is not something you will find easily.
Take three 1K resistors joined at one end and connect the open ends of those one each to the three terminals of a stereo plug that fits you CD player.
Connect a mono plug and cable with "hot" to the joined connection of those resistors. Connect the ground shield of that cable to the barrel connection of the stereo plug that one of the resistros is also connected.
NOTE: if you use the "line" output of the CD player, then use 10K ohm resistors instead of 1K.
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