Kurzweil Mark Pro 2i, Руководство по обслуживанию

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Mark Pro TWOi
21
Replacing the Amp Board
1. Hold the Amp 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.
6. Connect all the stranded wire cable from the Engine Board to the Amp Board and from
Front board to Amp board..
Removing the Front Panel Board
1. Follow the procedure described on page 19 to remove the Connector Board.
2. Following Steps 4 and 5, disconnect the cables listed in Table 4-3.
Top Enclosure
Ref. Name Cable Type Destination
J4 FP Brige Flat ribbon Front Board
J5 FP Bridge flat ribbon Front Board
Table 4-3 Front Panel Board cables
3. Remove the cable locking clip and disconnect the flat ribbon cable at J4, J5 on the Front
Panel Board. Be sure to set the cable locking clip safely aside so that you can install it
when you reconnect the cable.
4. Remove the eighteen screws that secure the three PC board clamps
5. Remove slider volume handle and 4 control knob handles also
6. Lift the Front Panel Board up from the top enclosure.