Kurzweil K2000 User Manual

SECTION 2
SETUP. PUB 11/04/;
2.4
2.4.1
Changing System Software (Engine)
NOTE: The ICs containing the K2000's software are static sensitive
devices. OSE ALL STANDARD ANTI -STATIC PRECAUTIONS WHEN
HANDLING THESE DEVICES'
To replace the ICs:
1. turn the unit off and remove the AC line cord from the AC power
connector.
2. Open the unit as described in Section 3.
3.
Locate the old software ICs U3 and U6, on the Engine Board
(Figure 2.6 above). Remove the old ICs using an IC puller or
similar tool. Be careful not to damage the traces on the
board.
4. Carefully insert the new IC labeled "LO" in the socket at U3,
and the new IC labeled "HI" in the socket at U6. Make certain
the ICs are oriented with pin 1 toward the front of the unit.
Pin 1 is on the end of the IC with the indentation.
5. Inspect for proper installation - make sure the ICs are firmly
seated into the sockets and that none of the pins are bent.
6. Blose the unit as per the instructions in Section 3.
7. Always BARD RESET the instrument after changing the software.
Note that all user data in RAM will be erased. A hard reset
can be performed on power-up by pressing and holding the "1",
"2" and "3" buttons on the numeric keypad.
4

Kurzweil K2000 Specifications

General

Type	Digital Synthesizer
Polyphony	24 voices
Weight	35 lbs
Year Released	1991
Waveforms	Sample-based, user loadable
LFO	Yes
Filter	Yes, multimode
Effects	Yes, multi-effects processor
Keyboard	61 keys
Memory	expandable RAM
Storage	Floppy disk drive
MIDI	Yes
Outputs	Stereo
Display	LCD
Timbrality	16-part multitimbral