Roland VS-2400CD, Service Notes

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21
VS-2400CD
[Keyboard Connected]
The keyboard connection will be checked.
1.
If a keyboard is connected and is operating normally, the display will
indicate “OK.”
2.
If a keyboard is not connected, or if there is a problem, the display will
indicate “NG.”
Explanation of test items
[01:LCD Check]
Checks the LCD screen display.
Each time you press the switch, three types of screen will alternate; white,
black, and text.
[02:Switch Check]
Checks panel board switch operation.
fig.2
1.
Check ON/OFF for all switches on the panel.
2.
If two or more switches are pressed simultaneously during this test, the
LED will blink to prompt you not to do so.
[03:LED Check]
Checks panel LED operation.
1.
Check that all panel LEDs are lit.
2.
Press the [PLAY] button to light the LEDs one at a time.
3.
You can press the [STOP] button to go backward.
4.
When you have checked all LEDs, they will all be lit.
[04:FS & MV Check]
Checks operation of the foot switch and monitor volume.
fig.3
1.
The display will indicate “ON” when you press the foot switch, and
“OFF” when you release it.
2.
Verify that the monitor volume causes the display value to change in a
range of “-90” to “+60”.
[05:Encoder Check]
Checks encoder operation.
Turn the [TIME/VALUE] knob at least three clicks to left and right.
[06:Digital Check]
Checks digital audio operation (Coaxial, Optical).
fig.4
1.
Connect devices to Coaxial IN/OUT.
2.
Press the [F3 (Coax)] button.
3.
Verify that the Coaxial LOCK Status is “LOCK,” and that the audio from
Digital In is being output from Digital Out.
4.
Connect devices to Optical IN/OUT.
5.
Press the [F4 (Opt)] button.
6.
Verify that the Optical LOCK Status is “LOCK,” and that the audio from
Digital In is being output from Digital Out.
[07:IDE Check]
Checks IDE hard disk drive operation.
[Fig.2]
[Fig.3]
[Fig.4]