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Gallien Krueger MB150S-III not powering

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  • #16
    Hi folks, thank you all, I'll try this chip quik tool. I wrote wrong, it's not smd board but it has vias both sides. I repaired some amps before but most of them were single layer pcb. Founded another little problem, it's the green/red LED that doesn't light for green. Maybe there is the circuit protection that melted first than anything else I hope. I'll research this tool but now I'm sure that I need to invest in some better tools. I pulled the caps out, there wre broken vias. I will take some pics later! Thank u!

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    • #17
      Hi folks, I repaired the amp just like you said, soldered the broken vias with wires, changed the 10000 uf capacitord and the two colour led failing, now it works great! Thank you all!

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