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DD8
plus Version 2.20 - September 1998
OPTION BOARD INSTALLATION
CAUTION - These instructions are for use by qualified service personnel only. To re-
duce the risk of electric shock, do not perform any servicing other than that contained
in the Operating instructions unless you are qualified to do so. Refer all servicing to
qualified service personnel.
The DD8 can accommodate several options. Some of these are installed from underneath and
the others from the top. The options installed on the top side are the IB-D8AD 8-channel Analog
Input Board, the IB-D8DA 8-channel Analog Output Board, IB-D8TIF TASCAM Digital Interface
Board, IB-D8MA24 Multi-channel AES/EBU Digital Interface Board, IB-802T SMPTE/EBU
Interface Board, IB-803M MIDI Interface Board, IB-804A ADAT Interface Board, IB-805R RS422
Interface Board, IB-806B Biphase Interface Board and IB-808G GPI/O Interface Board.
The options installed from underneath include the EDO SIMMs memory board (not made by
AKAI) for buffer RAM expansion, the EQ8 Equaliser Board, and the internally mounted Disk
Drive.
To install any of these options, you must first remove the top and/or bottom cover(s) of the case.
** IMPORTANT NOTE **
Consult your AKAI professional dealer for installation of any options (including
memory) to the DD8. Self-servicing may cause malfunction of components or the
unit itself. AKAI professional does not guarantee against the unit’s malfunction,
damage or any loss caused by self-servicing or improper operation.
Remove the top cover by undoing the two large screws on either side of the case and the smaller
screw in the centre of the top of the rear panel. Remove the bottom cover by loosening the ten
screws on the bottom cover.
Looking inside the DD8, you will see something like this:
TOP VIEW
APPENDIX - 2