Re: Marshall Stanmore Repair

Hey there VanDivX,
Yeah tubes were deadly and high voltage but damn at least they were more serviceable than this smd crap.
So I checked your picture and U15 is the amplifier board that is underneath (with the heatsink that goes to the back of the chassis) what you are pointing is U1 which is the PWM controller. I don't have a diode as you on my board it is a small Zener Diode the shottky diode was in D15 just near the AC Bridge.
For my board I now know it is officially dead, i have removed the PSU components to replace the AC...

Re: Marshall Stanmore Repair

Hello everyone,

I have recently started trying to repair my board, but to be frank I am slowly loosing hope as i have tons of resistors and capacitors that have been shorted due to U15 blowing out (and so did the bridge rectifier, the shotkey diode right near it).
Because marshall provides no technical documentation what so ever I decided to start [URL="https://docs.google.com/spreadsheets/d/1HtCZdi05hzl1ZPfXiFl-hoRfBP7lDyKSgDSmobZn6LA/edit?usp=sharing"]making my own BOM[/URL], and maybe later if I feel brave enough to...

Re: New Members - please post your introductions here

Hello everyone, this is nico from France. I have joined this forum because I have a Marshall stanmore that i would like to repair, but while lurking i found plenty of other interesting subjects. I hope i will soon be able to add my stone to this community