Removing The Digital I/O Option Board; Replacing The Digital I/O Option Board; Removing The Small Digital I/O Board - Kurzweil K2600 Series Service Manual

K2600/K2600X Disassembly/Assembly
Top Enclosure

Removing the Digital I/O Option Board

1. Following Steps 2 and 3 disconnect the cables listed in Table 4-2.
2. Remove the cable locking clip and disconnect the flat ribbon cable. Be sure to place the
3. Disconnect the shielded wire cables.
4. Remove the cap from the Optical Out jack.
5. The Digital I/O Option Board is secured to the rear panel with six screws. Remove these

Replacing the Digital I/O Option Board

1. Position the board so the Digital I/O jacks, Optical jack, and Digital I/O ports are aligned
2. Install the four screws that secure the Digital I/O Out and In jacks to the rear panel.
3. Install the two screws that secure the Digital I/O ports to the rear panel.
4. Install the cap on the Optical jack.
5. Connect the cables listed in Table 4-2. Be sure to install the cable locking clip on the flat

Removing the Small Digital I/O Board

1. Remove the four screws that secure the Digital I/O Out and In jacks to the rear panel.
2. Remove the cap at the Optical Out jack.
3. Disconnect the two cables listed in Table 4-3.
4. Remove the Small Digital I/O Board.
4-8
Ref. Name
J1001 Digital I/O to DSP
J1002 Sampling Bd. (SOB)
J1003 Sampling Bd. (SOB)
Table 4-2 K2600/K2600X Digital I/O Option Board cables
cable locking clip safely aside so that you can install it when replacing the board.
screws, and remove the Digital I/O Option Board.
properly through the openings provided for them in the rear panel.
ribbon cable.
Ref. Name
J1002 Sampling Bd. (SOB)
J1003 Sampling Bd. (SOB)
Table 4-3 K2600 Small
Cable Type
flat ribbon
shielded wire
shielded wire
Cable Type
shielded wire
shielded wire
Digital I/O
Board cables
Destination
DSP Board
Sampling Board
Sampling Board
Destination
Sampling Board
Sampling Board