Burn-In Loop - Kurzweil CUP2 Service Manual

Diagnostics
Description of Tests
Keyboard——To test the keyboard, press and hold any key. The key number (front contact), test
name (
is the test result for the front key contact switch and the second is for the rear key contact
switch.

Burn-in Loop

Burn-in Loop
•• SDRAM Refresh
•• MIDI UART
•• Internal Flash
•• MARA Validity
•• MARA Delay RAM
•• MARA Sound ROM
The LED display shows the total number of tests run and the number of failures detected. For
example,
To exit
3- 6
KY
), and key number (rear contact) are shown in the LED display. The rst key number
continuously runs the following sequence of tests.
RUN:1 FAIL:1
.
Burn-in Loop
and return to the Boot Loader, press and hold the Previous button.