Kurzweil Mark Pro 2i, Service Manual

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Mark Pro TWOi
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3. Disconnect the hook-up wire cable on the Scanner Board.
4. Remove the cable locking clips and disconnect the flat ribbon cables from J2, J3, and J4. Be
sure to set the cable locking clips safely aside so that you can install them when you
reconnect the cables.
Note : The cables used throughout the Mark PRO 2i are bundled and routed so that their
locations and destinations seem obvious. However, to avoid reversing the Bass and Treble
cables when reconnecting, mark one or both cables designating B for Bass and T for
Treble.
5. Remove the all screws .
Note : Do not remove any other hardware from this portion of the rear panel.
6 . Remove the Scanner Board.
Replacing the Scanner Board
1. Hold the Scanner Board and position it so that the power switch, and the rear panel jacks
are correctly positioned through the rear panel portion of the top enclosure.
2. Install the all screws.
3. Connect the ribbon cables in the following order.
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.
4. Connect the flat ribbon cables from the Keyboard Assembly to J2 and J3. Be sure to install
a cable locking clip on each connector.