TABLE OF CONTENTS
1 .1 Using the Kurzweil 1000 Test Supervisor 1 -2
2.1 1000 PX, HX, SX and GX Tests 2 -2
2.2 1000 EX, and PX Plus Tests 2- 8
2.3 K1000 Tests 2- 1 4
2.4 EGP and Mark III Tests 2- 20
2.5 Menu Selections, Main Menu 2 -26
2.6 Menu Selections, Test Select Menu 2- 27
2.7 Menu Selections, Configuration Menu 2- 28
2.8 Sine Wave Tests (PX, PX Plus, EX, K1000, 2- 29
EGP and Mark III
2.9 Sine Wave Tests (HX, SX and GX) 2- 30
3.1 Main Menu 3- 2
3.2 Test Select Menu 3 -5
3.3 Configuration Menu 3 -9
4.1 Error Messages 4 -2
4.2 Sine Wave Errors 4 -11
4.3 Sine Wave Errors/Probable Causes 4- 1 3
4.4 Test Mode Error Messages 4 -1 6
4.5 Error Statistic Messages 4 -2 1
5.1 What To Do When Nothing Appears To Work 5 -2
6.1 Kurzweil 1000 Series Racks 6 -2
6.2 Kurzweil K1000 6-6
6.3 Kurzweil Ensemble Grande Piano 6 -1 1
6.4 Kurzweil Mark III 6 –17
7.1 1000 Rack P .C. Board Assemblies 7 -2
7.2 Miscellaneous Cables and Components 7 -2
7.3 Power Supply, 1000 Rack Series 7 -3
7.4 1000 Rack CPU Board 7- 4
7.5 1000 Rack Front Panel Board 7 -6
7.6 1000 Rack Front Panel Board (EX only) 7 -6
7.7 1000 Keyboard Series P .C. Board Assemblies 7 -7
7.8 Miscellaneous Components 7 -7
7.9 K1000/EGP/Mark III CPU Board 7- 8
7.10 K1000/EGP/Mark III Keyscan Board 7-10
7.11 K1000 Power Supply Board 7- 11
7.12 EGP/Mark III Power Amp/Power Supply Board 7 -12
7.13 Mark III Secondary Power Amp Board 7 -13
7.1 4 1000 Keyboard Series Volume Slider Board 7- 1 3
7.1 5 1000 Keyboard Series Control Panel Board 7 -1 3
Schematic, K1000 Volume Slider 8 -2
Schematic, K1000 Front Panel 8 -3
Schematic, EGP and Mark III Front Panel 8- 4
Schematic, K1000, EGP and Mark III CPU, 1-4 8 -5
Schematic, K1000, EGP and Mark III CPU, 2-4 8- 6
Schematic, K1000, EGP and Mark III CPU, 3-4 8 -7
Schematic, K1000, EGP and Mark III CPU, 4-4 8 -8
Schematic, K1000, EGP and Mark III Keyboard Scan 8 -9
Schematic, K1000, Power Supply 8 -1 0
Schematic, K1000 and EGP AC Board 8 -11
Schematic, EGP and Mark III Power Supply/Power Amplifier 8 -1 2
Schematic, Mark III Power Amplifier 8 -1 3
Schematic, Mark III AC Board 8 -14
Schematic, Front Panel Board (EX) 8 -1 5
Schematic, Front Panel Board (1000 Rack) 8 -1 6
Schematic, CPU Board (1000 Rack), 1-4 8- 1 7
Schematic, CPU Board (1000 Rack), 2-4 8- 1 8
Schematic, CPU Board (1000 Rack), 3-4 8 -19
Schematic, CPU Board (1000 Rack), 4-4 8- 20
Schematic, Power Supply Board (1000 Rack) 8 -2 1
Assembly, Power Supply Board (1000 Rack) 8 –22
KURZWEIL MUSIC SYSTEMS, INC.
411 Waverley Oaks Road
Waltham, MA 02154
January, 1989
The information contained herein is confidential and proprietary to Kurzweil Music
Systems, Inc. It is disclosed to you solely for purposes of instruction as to the operation
of the equipment and maintenance as appropriate. It is not to be used by you for any -
other purpose, nor is it to be disclosed to others without the express permission of
Kurzweil Music Systems, Inc.
Kurzweil1000 Series Service Manual