The backend is
sandwiched between the
frame and back panels.
After removing all the
screws and nuts, the back
panel come completely off
. Note that the AC supply
wires to the power switch
are routed through the top
frame channel. Work
these free from the
channel and the back
panel sets nicely on the
work bench.

There is excellent access
to the board and panels
for cleaning and work.
.
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