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Marshall lead 100 mosfet 3210 manuals

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Not just ordinary, run a distortion pedal or a single overdrive pedal.īut ganging up multiples of them can be hard on these chips.Īnyway, rather than soldering a replacement in, he soldered in an 8 pin female socket, so if it ever happens again, you just pull the chip, and push in a new one.

He says he's seen this before when the amp is driven too hard with pedals and the like, boosting the amp. Turns out its an op-amp chip had short circuited. In the last section he was working through, he was finding weird voltage fluctuations, big ones.

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So, he checked every cap and resistor on the board, all within factory spec.

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