Behringer PMX2000 display error

[Ronald]

hi guys i have a problem with a PMX2000 the effects doesnt work. The display shows a error "d2" and will not change when I rotate the knob. Anyone know what the problem might be? many thanks for your answers.

[jrfrond]

Bad DSP board. Might just be a bad +5V regulator on that board, but don't count on it.

[Ronsonic]

IIRC, D2 means bad RAM. Been awhile since I've had the pleasure of doing those, but ... Anyway, yep, the problem is on the DSP board and usually that'd be the part to replace.