Roland BK-5 Service Notes page 31

5. ADC input check
The display shows:
1. Rotate the MASTER VOL potentiometer and verify that the value gradually change from 000 (minimum) to 127 (maximum).
2. Check when the BENDER lever is in the rest position the display shows "Bender: 064"
3. Move BENDER lever and check the relative value shown gradually changes from 000 (lever on the left side) to 127 (lever on the
right side).
4. Verify that when the MODULATION lever is in the rest position the display shows "Modulation: 000".
5. Move MODULATION lever and verify that the relative value shown gradually changes from 000 (rest position) to 127 (forward
position).
6. Press [START/STOP] button to go to next test.
6. MIDI IN/OUT check
The display shows:
1. Connect the MIDI cable between BK-5 MIDI IN and MIDI OUT.
2. Verify that the display shows "Connected".
3. Disconnect the MIDI cable from BK-5 MIDI IN and MIDI OUT and verify that the display shows "Disconnected OK".
4. Press [START/STOP] button to go to next test.
7. USB MIDI check
The display shows:
1. Connect the USB cable from USB COMPUTER socket to USB MEMORY socket.
2. Verify that the display shows "Connected".
BK-5
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