Kurzweil sp88x - Restoring Factory Defaults; Diagnostics

7-6
Troubleshooting
Restoring Factory Defaults
Restoring Factory Defaults
1. Turn power off. Then hold down the two buttons labeled Panic and turn power
on. Continue holding until the LEDs have ßashed the second time.
2. Wait for the display to show PP
PP
LL
LL
CC
CC
then press the Row Select button once. The
display should show cc
cc
pp
pp
uu
uu
.
3. Press Col Select once. The display will ßicker then show rr
rr
oo
oo
mm
mm
.
4. Press Row Select 5 times until the display shows ii
ii
nn
nn
ii
ii
; then press Col Select
once.
5. The display will then show oo
oo
kk
kk
//
//
. Press the Up arrow button.
6. The display will ßicker again brießy, dim, then show pp
pp
aa
aa
ss
ss
.
7. Turn the power off then back on to begin using the Stage Piano.
Diagnostics
The Stage Piano has extensive diagnostic software built-in that can be used to test for
proper operation of almost every component. Although this chapter is intended
primarily for service personnel, the diagnostic software can also be helpful for
identifying problems with cables and external controls.
Starting Diagnostics
1. Turn the power switch off.
2. Press and hold the two buttons marked Panic on the front panel.
3. Turn the power switch on while continuing to hold the buttons.
4. Wait until all of the LEDs ßash the second time then release the buttons.
After the second ßash, the controller software version will be displayed brießy then
the main Diagnostic Menu will become active with pp
pp
ll
ll
cc
cc
showing on the display.
Main Diagnostic Menu
Each diagnostic group and individual diagnostics in each group have a 3-character
name. The diagnostics are controlled using just two buttons: Col Select and Row
Select. In general, Row Select will advance to the next entry in the current menu and
Col Select will select the group or execute an individual diagnostic.
The Main Diagnostic Menu has the following items:
pp
pp
ll
ll
cc
cc
Player Control diagnostic
cc
cc
pp
pp
uu
uu
Controller board diagnostic group
ss
ss
nn
nn
dd
dd
Internal sound module diagnostic group
jj
jj
pp
pp
rr
rr
Jumper settings display
ee
ee
xx
xx
ii
ii
Exit diagnostics and begin normal operation