Kurzweil K2600 Series, Service Manual

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5-6
Troubleshooting
Scanner Diagnostics
Scanner Diagnostics
The Scanner Diagnostics include separate tests to verify the operation of the front panel buttons,
LEDs, and the Alpha Wheel. For the K2600 keyboard models, the Scanner Diagnostics also
include tests for the keyboard, sliders, wheels, ribbons, and pedals.
Note: The Volume potentiometer is not tested using the Scanner Diagnostics.
K2600R Rack Models
To enter the Scanner Tests, fi rst turn on the K2600R. Once the unit is on and in program mode,
simultaneously hold down the 4, 5 , and 6 buttons located in the Data Entry section. All front
panel LEDs will light in a sequence, then simultaneously, and the LCD will display the
following:
Figure 5-3 LCD example, K2600R Scanner Diagnostics
The fi rst line of the display shows the scanner software version. The second line displays the
procedure to exit the diagnostics. The third line displays the battery voltage. The fi fth line shows
the results of the current test. Figure 5-3 shows the result of a front panel button test.
Front Panel Buttons
To test the buttons and LEDs, press any front panel button. An example of the expected test
result for the
Program button follows:
BUTTON PROGRAM
Alpha Wheel
To test the Alpha Wheel, turn it to increase or decrease the value by one. The expected test result
when the Alpha
Wheel is turned is one of four values–0, 1, 2, or 3.
An example of an expected test result follows:
SPINKNOB = 3
R2000 SCANNER DIAGNOSTICS VERSION 4.0
(PRESS "EXIT" AND "ENTER" TO EXIT)
BATTERY=3.0
BUTTON LAYERS UP