Kurzweil PC88 - Page 47

Chapter 3 . Disassembly/Assembly
EMI Shields
Replacing the I/O Board
Install the 10 Phillips head screws that secure the I/O
Board to the rear panel. Remember, this includes the
screw securing the "T" shaped strain relief used to protect
the AC adaptor cable.
Reconnect the cables to following locations on the I/O
Board: J302, J318, J301 and J306. All connectors are keyed
and Pin 1 is noted on the board.*
*Pin 1 is not noted on the board at J302, however the
connector cannot be installed backwards.
Removing the Control Panel/Switch Board
To remove the Control Panel/Switch Board, it is
necessary to first remove the 1/O Board. The following
instructions assume that the you have removed the I/O
Board.
Remove the Phillips head screws that secure EMI
Shields No. 2 and No. 3. Refer to Figure 3.2.
Remove the shields.
Clip the tie wraps used to bundle the cables together.
Disconnect the stranded wire cable at location J15
(Backlite) on the Engine Board* and fold it back towards
the Control Panel/Switch Board.
Disconnect the flat ribbon cable at location J7 (LCD) on
the Engine Board* and fold it back towards the Control
Panel/Switch Board. The cable is secured with clear
adhesive tape or a clip, simply pull the tape back or
remove the clip and disconnect the cable.
PC88 Service Manual
3-11