Kurzweil PC2 Series Service Manual page 54

PC2/PC2X Disassembly/Assembly
Top Enclosure
4. The flat ribbon cables connected to J403 and J412 use wire trap connectors. The shielding
5. Disconnect the stranded wire cables from J402 and J405.
6. Remove the cable locking clip and disconnect the flat ribbon cable from J406. Be sure to set
7. Two of the screws that secure the left enclosure support wall also secure the front panel
8. Remove the two screws that secure the PC board clamp and rear panel edge of the Engine
9. Remove the Engine Board.
4-16
Ref. Name
J402 PC2 PWR
J403 MIDI & CPU
J405 Backlight
J406 LCD
J412 PC2 Audio Out
Table 4-4 Engine Board cables
has been removed from the end of these cables to expose the wires. The wires are inserted
directly into these connectors.
Lift up the sides of each connector. This unlocks the trap to free the cable wires. Gently
pull each cable up out of the connector. Note the marking (red or black) on each cable that
indicates the connection to Pin 1; you'll need to reconnect the marked edge of the cable to
Pin 1 when you replace the Engine Board.
the cable locking clip safely aside so that you can install it when you reconnect the cable.
edge of the Engine Board. You have already removed the enclosure support wall, but one
screw remains securing this edge of the board. See Figure 4-10, and remove the remaining
screw.
Figure 4-10 Engine Board, screw locations
Board to the top enclosure.
Cable Type
stranded wire
flat ribbon
stranded wire
flat ribbon
flat ribbon
PC board clamp and screws
J405
J402
J406
J403
Front panel edge screw
Destination
Connector Board
Connector Board
LCD Board
LCD Board
Connector Board
J412