Does anyone have service manual or schematic diagram for the Tascam Portastudio 424?
If somebody has manual or schematic for the MK2, possible it is same as the MK1.
I just looked at the Mk II manual and it indicates an internal transformer. The Regular 424 seems to have a external split 25 Vac supply. I do not have the schematics of diagrams of that unit here.
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