A Very Grubby BBC Model-B for stripdown and clean. Issue 4 with 0.9 DFS and Econet
First remove the two screws from the base.
Followed by the two screws at the rear.
Remove the function key strip by lifting the centre and unclipping
at one end then the other.
Lift the lid clear to reveal a dusty interior, or if your lucky, some interesting upgrades.
Undo the two screws which hold the keyboard in place then remove the
keyboard ribbon and speaker cable and lift clear.
Next pull off all the power leads on the Mainboard being careful
not to break any connectors. Also making a note as to where they go.
Underneath the computer, remove the 3 screws that hold the Power
Supply unit in place.
It will now be possible to remove the power supply by first lifting
at the rear then pulling backwards to allow the underside socket to come
out.
Next you will have to desolder the 2 wires connected to the Composite
Video socket on the rear, Note where they go.
Remove the 4 screws which hold the mainboard in place, be sure
to retain the nylon insulating washers.
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