Kurzweil K2600 Series, Service Manual

Page: 9 / 172

Kurzweil K2600 Series Service Manual
Contents
v
Alpha Wheel ............................................................................................................................................................. 5-6
K2600 Keyboard Models ......................................................................................................................................... 5-7
Front Panel Sliders ................................................................................................................................................... 5-7
Wheels ....................................................................................................................................................................... 5-7
Small Ribbon............................................................................................................................................................. 5-8
Large Ribbon............................................................................................................................................................. 5-8
Keyboard ................................................................................................................................................................... 5-8
Switch Pedals 1, 2, 3, and 4 ..................................................................................................................................... 5-8
CC Pedals 1 and 2 .................................................................................................................................................... 5-8
Power Up Problems ........................................................................................................................................................ 5-9
Dead, No Power ....................................................................................................................................................... 5-9
Blue Screen ................................................................................................................................................................ 5-9
Locks Up, Freezes .................................................................................................................................................. 5-10
‘Running System…’ or Fails VLSI/ZRAM test in diagnostics:................................................................ 5-10
‘Waking up Scanner’ ...................................................................................................................................... 5-10
‘V.A.S.T.’ Sign Wave on boot-up or Fails Sound ROM, Sound RAM or VLSI diagnostic tests ........... 5-10
“Please Wait…” when trying to load from
fl oppy disk: ........................................................................... 5-10
“Please Wait…” when trying to load from SCSI: ....................................................................................... 5-10
Fails Sound RAM Diagnostic test ........................................................................................................................ 5-10
Front Panel Problems.....................................................................................................................................................5-11
Boots up with three Flashes...................................................................................................................................5-11
LCD not lit................................................................................................................................................................5-11
Buttons, Sliders or Controllers Not Working ......................................................................................................5-11
Audio Problems............................................................................................................................................................. 5-12
Intermittent or No Audio...................................................................................................................................... 5-12
No Audio, Distortion, or Noisey Outputs.......................................................................................................... 5-12
Right Channel.................................................................................................................................................. 5-12
Left Channel .................................................................................................................................................... 5-12
Full volume static distortion after 10-15 minutes of warm-up then locks-up: ...................................... 5-12
Different clicks and pops on each effect or consistent ‘thumping’ noise in all outputs: ...................... 5-12
Boots up normally but has no sound, .......................................................................................................... 5-12
Keyboard Problems....................................................................................................................................................... 5-13
Keyboard velocity problems................................................................................................................................. 5-13
Dead Keyboard....................................................................................................................................................... 5-13
Dead Note(s), One or More in a Section ...................................................................................................... 5-13
Mechanical Noise............................................................................................................................................ 5-13
K2600/K2600X Interconnect Diagram ....................................................................................................................... 5-14
K2600R Interconnect Diagram..................................................................................................................................... 5-15
Chapter 6 Parts Lists
Introduction ..................................................................................................................................................................... 6-1
K2600R, K2600RS ..................................................................................................................................................... 6-1
K2600, K2600S, K2600X, K2600XS, K2600 AES .................................................................................................... 6-2
K2600 Series ..................................................................................................................................................................... 6-3
CPU Board, N012305411 ......................................................................................................................................... 6-3
DSP Board, N012305413 .......................................................................................................................................... 6-5
K2600R/K2600RS ............................................................................................................................................................ 6-6
Audio Board, N012305605 ...................................................................................................................................... 6-6
Backlight Board, N012104325 ................................................................................................................................. 6-7
FLoppy Disk Drive Assembly, N012104665 ......................................................................................................... 6-7
LCD Board, N012103796 ......................................................................................................................................... 6-7