22
Dec.2004
5. Piezo check
fig.piezo.eps
With your finger, lightly strike the pad [RIDE [20, B]] of the DR-880; the
“VALUE” in the LCD will change.
“PEAK” will indicate the peak-hold value.
Gradually increase the force of your strikes until PEAK indicates “OK.”
fig.piezocheck2.eps
Verify that PEAK indicates OK.
Press [BANK] to proceed to the next test item.
6. Volume check
6-1. Guitar/bass input VR check
fig.volumecheck1.eps
Set the GUITAR/BASS INPUT VR to the center position.
fig.volumecheck2.eps
The result will be NG if you move any other volume control.
In this case, set all knobs to the maximum position, and then press the [TSC]
switch to resume from the GUITAR/BASS INPUT VR check.
fig.volumecheck3.eps
Set the GUITAR/BASS INPUT VR to the minimum position.
fig.volumecheck4.eps
Set the GUITAR/BASS INPUT VR to the maximum position.
fig.volumecheck5.eps
6-2. Drum VR check
Perform the same test for the DRUM VR. (maximum -> center -> minimum ->
maximum)
fig.volumecheck6.eps
6-3. Bass VR check
Perform the same test as you did for the BASS VR. (maximum -> center ->
minimum -> maximum)
fig.volumecheck7.eps
*
If desired, you can set all knobs to the maximum position and then press the
[TSC] and resume from the GUITAR/BASS INPUT VR check.
Verify that all VR tests are successfully completed (all OK).
Press [BANK] to proceed to the next test item.
7. Foot Switch check
fig.footswcheck1.eps
Summary of Contents for DR-880
Page 11: ...11 DR 880...
Page 29: ...31 Dec 2004 DR 880 CIRCUIT BOARD MAIN BOARD fig b main1 eps View from components side...
Page 30: ...33 Dec 2004 DR 880 CIRCUIT BOARD MAIN BOARD fig b main2 eps View from foil side...
Page 34: ...41 Dec 2004 DR 880 CIRCUIT BOARD SW fig b sw1 eps View from components side...
Page 35: ...43 Dec 2004 DR 880 CIRCUIT BOARD SW fig b sw2 eps View from foil side...
