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Velleman-Kit K8020 Illustrated Assembly Manual page 23

High-end valve control amplifier

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q Connect the mains wires to the
mains connector, Blue= Neutral,
Brown= Live, and green/yellow=
Earth. Use a piece of 1.5cm (0.6")
shrink tube to isolate each connec-
tion.
q Mount the front panel onto the
front, using two M4 Allen
screws.
F
Check the position of the
LED's and check if all buttons
are working correctly.
It could be that paint rest over
in the holes, is preventing the
buttons from smooth opera-
tion.
Test
FIG. 4
FIG. 5
23

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