Hi folks

I'm a well know member on a french diy repair electronics forum (abcelectronique.com)
I'm an electronic designer for SMPS... and my hobby is to chase failure and fix it.
a dude , bring me a "marshall stanmore" BT ... I though , okay! another stupid boom box with blown caps like popcorn...
finally ... not so easy

I thx all guys here and there , posting there experience and reverse ing schematic. It was a great help to dive into this ... adventure.

here is my little contribution, because I pushed a little bit more on that...