Replacing The Slider Board - Kurzweil PC3x Service Manual

Disassembly/Assembly
Top Enclosure
8. Remove the four screws that secure the two PC board clamps (two screws per clamp).
9. Remove the Slider Board.
Caution: Each switch button cap uses a set of small pegs to mount the cap to a board. The
button caps on the Slider Board are mounted individually. If a cap becomes separated from the
board, be careful that a peg is not inadvertently broken.

Replacing the Slider Board

1. Position the Slider Board onto the top enclosure.
2. Raise the top enclosure up to verify that the switch button caps and slider shafts are
3. Align the center screw hole on the front panel edge with the thread marks in the extrusion
4. Place a PC board clamp in position. Align the center screw holes of the clamp with the
5. Tilt the top enclosure up and install the ten slider knobs, then lay it flat on your work
Caution: To avoid damaging a slider, move the slider shaft to either the top or bottom end of its
travel to install a knob.
6. Connect the stranded wire cable from the Button Board on the Wheels Assembly to J304
7. Connect the flat ribbon cable from the Front Panel Board to J303 on the Slider Board.
8. If you have disconnected the cable from J302, reconnect it.
9. Follow the procedure on page 3-10 to install the Connector Board.
10. Follow the procedure on page 3-8 to install the enclosure support wall.
3-12
1
J303
FP Bridge
Figure 3-11 Slider Board, screw locations
These screws also secure the rear panel edge of the Board.
correctly positioned through their openings in the top enclosure.
and install the four screws that secure the front panel edge.
thread marks in the extrusion and install the two screws that secure the clamp. Repeat for
the other clamp.
surface.
on the Slider Board.
Slider
Board
J304
J302