Kurzweil PC88 - Page 75

Chapter 3 Disassembly/Assembly
Replacing the Treble Contact Board
Position the Treble Contact Board on the keyboard
chassis. Be sure the the Rubber Key Contacts line up
properly through the holes in the keyboard chassis.
Install the 26 screws that secure the board to the
keyboard chassis.
Connect the small ribbon cable that connects the Treble
to the Bass Contact Board.
Removing the Bass Contact Board
Remove the 22 screws which secure the board to the
keyboard chassis.
Disconnect the small ribbon cable that connects the
Bass to the Treble Contact Board.
The Bass Contact Board can now be removed from the
keyboard chassis.
You will notice black spacer brackets mounted between
the Keyboard Contact Boards and the keyboard chassis. It
is not necessary to remove them. However, if you need to
remove the spacer brackets, lift them horizontally. The
spacer brackets mount to the chassis by small pegs that fit
into position on the keyboard chassis. If you lift from one
end to the other, you could easily break off one the pegs.
Replacing the Bass Contact Board
Position the Bass Contact Board on the keyboard
chassis. Be sure the the Rubber Key Contacts line up
properly through the holes in the keyboard chassis.
Install the 22 screws which secure the board to the
keyboard chassis.
Connect the small ribbon cable that connects the Bass
to the Treble Contact Board.
PC88 Service Manual
3-39