Question about Marshall MG100HDFX 100-Watt Amplifier Head
Don't replaced anything until you jumper the power amp in jack to the preamp out jack [or effects send jack to the effects return jack]. There may only be oxidation in the contacts of these jacks. If the normal sound level comes back-either clean the two jacks or have them replaced.
Posted on Nov 23, 2014
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Posted on Jan 02, 2017
SOURCE: my mg100dfx has almost no sound comin out of it
It could be in the power supply, open the unit up and find the power supply. Look to see if there are any caps that are bulging on top. If they are, they need to be replaced. Look to see if any components are burnt or look like they have got hot. If you know how to use a meter check the values of the resistors and any transistors that just does'nt look right. Check for bad solder joints. If a solder joint looks dull it may be suspect. Hope this is helpful. Ps: replace all components with the same value, this is if you understand a little about electronic.
Posted on Nov 02, 2009
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