Replacing The Connector Board; Removing The Front Panel Board - Kurzweil PC2 Series Service Manual

PC2/PC2X Disassembly/Assembly
Top Enclosure

Replacing the Connector Board

1. Hold the Connector Board and position it so that the power switch, LCD Contrast
2. Install the two screws that secure the MIDI jacks to the rear panel. See Figure 4-7.
3. Install the five screws that secure the Connector Board to the rear panel. Be sure to place a
4. Connect the wire trap flat ribbon cables in the following order.
5. Connect the flat ribbon cables from the Keyboard Assembly to J306 and J307. Be sure to
6. Connect the flat ribbon cable from the Front Panel Board to J304 on the Connector Board.
7. Connect the stranded wire cable from the Engine Board to J301 on the Connector Board.
8. Follow the procedure on page 4-8 to install the right enclosure support wall.

Removing the Front Panel Board

1. Follow the procedure described on page 4-8 to remove the right enclosure support wall.
2. Follow the procedure described on page 4-8 to remove the Connector Board.
3. Following Steps 4 and 5, disconnect the cables listed in Table 4-3.
4-10
potentiometer, and the rear panel jacks are correctly positioned through the rear panel
portion of the top enclosure.
spacer and use one of the longer screws at the locations noted in Figure 4-7.
Caution: Be sure to look for the marking on the edge of the cable denoting Pin 1 and that
you match it correctly with Pin 1 on the board. Make certain that the wires are straight
prior to inserting them into the connector and that each wire is correctly inserted into its
respective position.
Note: Be sure the sides of the connector are lifted. Insert the flat ribbon cables into the
wire trap connectors and push down the sides of each connector to lock the cable into the
connector. Gently pull each cable to verify that it is locked into its connector.
Insert the five-wire flat ribbon cable from the Engine Board into the wire trap connector at
J302 on the Connector Board.
Insert the seven-wire flat ribbon cable from the Slider Board into the wire trap connector
at J305 on the Connector Board.
Insert the six-wire flat ribbon cable from the Mod Wheel Assembly into the wire trap
connector at J308 on the Connector Board.
Insert the ten-wire flat ribbon cable from the Engine Board into the wire trap connector at
J303 on the Connector Board.
install a cable locking clip on each connector.
Be sure to install a cable locking clip on the connector.