Hello
 a.clunk wrote:
 > Have just switched everything on for a rainy afternoons knob twiddling to find mono-poly is dead.
 > I suspect/hope fault is an internal fuse (in power supply
-UK version)
 > How do i access this easily to replace.
There are two fuses with 1.6 Ampere slow blow each on the low voltage
 side of the transformer. They are located at the power supply pcb, which
 is located at the rear bottom of the synth.
 You have to unscrew the four srews at the boarders of the frontpanel and
 open up the frontpanel.
 Florian