Kurzweil PC2 Series, Service Manual

Page: 34 / 126

3-10
PC2R Disassembly/Assembly
Front Panel Assembly
Figure 3-5 Front panel faceplate screw locations
Removing the Right Front Panel Board
1. Remove the Front Panel Assembly, as described on page 3-8. It is not necessary to
disconnect all the cables that connect the Front Panel Assembly boards to boards located
on the bottom enclosure.
2. Remove the cable locking clip and disconnect the
fl
at ribbon cable from J601 on the Right
Front Panel Board.
3. Disconnect the
fl
at ribbon cable from J602. This cable uses a pico
fl
ex molex connector. To
disconnect it, grip the connector and pull it out straight.
Caution : Do not wiggle the connector back and forth. Doing so, could cause damage to
the header.
Note : Be aware of the marking (red or black) on the 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
board.
4. It is not necessary to remove the front panel faceplate to remove the Right Front Panel
Board. Two of the screws that secure the front panel faceplate to the Front Panel Assembly
are located above the Right Front Panel Board. Refer to Figure 3-5 and remove the two
screws.
5. Remove the three screws that secure the Right Front Panel Board to the mounting bracket,
and remove the Right Front Panel Board.
Right Front
Panel Board
LCD
Board
Left Front
Panel Board
Headphone/Volume/
Power Switch Board
faceplate screws