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Hi, is there any technical documentation about valves replacement and bias setting?

I own a JCM 2000 DSL 401 and I need information before replacing valves (pairing, model, usage, bias setting).

Thank you.

asked 06 Apr 2022 at 04:41 PM

beb air
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Is a 2018 Marshall MG50FX Service Manual available?  I have a unit which I fixed by reflowing the headphone module solder connections to the main control board but when I add the PEDL-90008 foot controller the current draw from the foot switch stops the amp from working properly after a few minutes.  Letting the amp sit for a bit then a factory reset seems to bring it back.  I suspect the power supply overheats due to current draw.

edited 03 Nov 2021 at 11:43 PM

Joseph P. Yabor

asked 03 Nov 2021 at 01:14 PM

Joseph P. Yabor
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