Vestax PMC 500 - Manual (Page 11)

Change to "IF-500"
q Re1.Remove the fader knobs. (See fig-a)
w Remove the 4 screws which fix the input fader panel to
the mixer. (See fig-b)
e Remove the 2 screws which fix the input fader.
(See fig-c)
r Remove the input fader, and carefully remove the
multi-cable connector from the fader unit.
(See fig-d)
t Replace the fader unit making sure that the connector
wires are securely fastened before carefully
positioning the fader unit and affixing with screws.
HOW TO CHANGE THE INPUTFADER UNIT