Model 4500 MkIII
Main PCB
3
Replace the circuit board
1)
Make sure you can identify each
of the connectors before you
disconnect them. If in doubt,
label each connector.
2)
Using a 3 mm Allen key,
remove the 6 mounting screws
and remove the old circuit
board
3)
Fit the new circuit board using
the existing mounting screws.
4)
Reconnect the connectors.
Page 2
Installation Guide