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Kurzweil SP5-8 Service Manual

Kurzweil SP5-8
76 pages
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Table of Contents
vii
Bottom Enclosure .............................................................................................................................................4-13
Removing the Wheels Assembly ...........................................................................................................4-13
Replacing the Wheels Assembly ............................................................................................................4-14
Removing the Keyboard Assembly .......................................................................................................4-14
Replacing the Keyboard Assembly ........................................................................................................4-15
Removing Keys ......................................................................................................................................... 4-15
Replacing Keys .........................................................................................................................................4-17
Keyboard Contact PCBs ..........................................................................................................................4-18
Removing the Lo Contact PCB ........................................................................................................4-18
Replacing the Lo Contact PCB ........................................................................................................4-18
Removing the Mid Contact PCB ..................................................................................................... 4-19
Replacing the Mid Contact PCB......................................................................................................4-19
Removing the Hi Contact PCB ........................................................................................................ 4-20
Replacing the Hi Contact PCB ........................................................................................................4-20
Removing the Keyboard Contact Strips................................................................................................4-21
Replacing the Keyboard Contact Strips ................................................................................................4-21
Chapter 5
Troubleshooting & Maintenance
Introduction ........................................................................................................................................................ 5-1
Surface-Mount Devices .............................................................................................................................5-1
Cables, Connectors ..................................................................................................................................... 5-1
Boot Loader ........................................................................................................................................................5-2
Entering the Boot Loader .................................................................................................................................5-2
Resets ................................................................................................................................................................... 5-2
Software Updates ..............................................................................................................................................5-3
Power Problems .................................................................................................................................................5-4
Dead: LCD, LEDs not lit ........................................................................................................................... 5-4
Audio Problems .................................................................................................................................................5-4
No Audio .....................................................................................................................................................5-4
Front Panel Problems ........................................................................................................................................5-5
LCD not lit, LEDs are lit ............................................................................................................................5-5
LCD, LEDs not lit, buttons, or controllers not working .......................................................................5-5
Keyboard Problems ...........................................................................................................................................5-6
Dead Keyboard ...........................................................................................................................................5-6
Dead Note(s) or no velocity sensitivity ................................................................................................... 5-6
One or More in a Section .................................................................................................................... 5-6
Interconnect Diagram .......................................................................................................................................5-7
Chapter 6
Replacement Parts
Printed Circuit Boards and Assemblies ..................................................................................................6-1
Keyboard Assembly ...................................................................................................................................6-1
Right Front Panel PCB ...............................................................................................................................6-2
Left Front Panel PCB .................................................................................................................................. 6-2
Miscellaneous ..............................................................................................................................................6-2

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Kurzweil SP5-8 Specifications

General IconGeneral
Keyboard number of keys88
MIDI-keyboard number of keys- keys
Product colorBlack
Pitch bend wheelYes
InterfaceUSB
Headphone outputs1
Input voltage15 V
Power source typeDC
Power consumption (typical)15 W
Weight and Dimensions IconWeight and Dimensions
Depth350 mm
Width1392 mm
Height120 mm
Weight21000 g

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