Kurzweil K2600 Series, Service Manual

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3-4
K2600R Disassembly/Assembly
Opening the K2600R
6. Remove the cable locking clip and disconnect the fl at ribbon cable from the DSP Board.
7. Disconnect the shielded wire cables.
8. Remove the Digital I/O Option Board.
Replacing the Digital I/O Option Board
1. Hold the board vertically over the DSP Board (Digital I/O XLR jacks facing down) and
connect the shielded wire cables at locations J1002 and J1003 on the Digital I/O Option
Board.
2. Lower the board to a horizontal position and connect the fl at ribbon cable. Be sure to
install the cable locking clip.
3. Position the board so the Digital I/O jacks, Optical jack, and Digital I/O ports are aligned
properly and through the openings provided for them in the rear panel.
4. Install the four screws that secure the Digital I/O Out and In jacks to the rear panel.
5. Install the two screws that secure the Digital I/O ports to the rear panel.
6. Install the cap on the Optical jack.
7. Follow the procedure on page 3-3 to replace the Audio Board.
Removing the Small Digital I/O Board
You must remove the Audio Board before removing the Small Digital I/O Board. Follow the
procedure on page 3-3 to remove the Audio Board.
1. Remove the cap from the Optical Out jack.
2. Remove the four screws that secure the Digital I/O Out and In jacks to the rear panel.
3. The Small Digital I/O Board is mounted component side down. Move the board slightly
toward the front panel to free the jacks from the openings provided for them in the rear
panel.
4. Disconnect the cables listed in Table 3-3.
Ref. Name Cable Type Destination
J1001 Digital I/O to DSP flat ribbon DSP Board
J1002 Sampling Bd. (SOB) shielded wire Sampling Board
J1003 Sampling Bd. (SOB) shielded wire Sampling Board
Table 3-2 K2600R Digital I/O Option Board cables