I have looked everywhere for some sort of schematic or any information on how to check or set the BIAS on this new model but nothing. I guess because it's still fairly new. I know the BIAS trim pots are on the board inside and not outside anymore, but i'm not sure where the test points are located or what the setting show be for the new models. I called Marshall directly but they would not tell me anything since I am in Canada so they referred me to the Canadian dealer in Quebec... what a joke those guys are. All they could tell me was that if I do it myself, I will void the warranty and to take it to get serviced.
any help will be appreciated!
Thanks!