Roland C-380 사용자 설명서
82
Troubleshooting
If the C–330/C-380 does not function in the way you except, first check the following chart. If this does not resolve the problem,
consult your dealer or a nearest Roland Service Center, or an authorized Roland distributor, as listed on the “Information” page.
Power does not turn on
Problems with the screen display
No sound
Symptom
Cause
Response
Page
When you press the [POWER] switch, the
power doesn’t come on
power doesn’t come on
Power cord is not connected correctly.
Connect the power cord correctly.
Symptom
Cause
Response
Page
Nothing appears on screen
The C–330/C-380 uses a liquid-crystal screen, so text may not be
displayed when the ambient temperature is below freezing.
displayed when the ambient temperature is below freezing.
This is not a malfunction.
—
The display contrast setting has not been set correctly.
Correctly set the display contrast.
Symptom
Cause
Response
Page
No sound
No sound (stop) is selected.
If you have simply turned on the power,
the keyboard will not produce sound
since no stop has been selected.
the keyboard will not produce sound
since no stop has been selected.
The [Master Volume] knob is at the “Min” position (volume is at
minimum).
minimum).
Turn the [Master Volume] knob toward
“Max.”
“Max.”
Headphones are connected.
If headphones are connected, sound will be heard only from the
headphones.
If headphones are connected, sound will be heard only from the
headphones.
If you want sound to be produced from
the speakers, disconnect the
headphones.
the speakers, disconnect the
headphones.
A plug has remained in the headphone jack.
Remove the plug from the headphone
jack.
jack.
The expression pedal is not depressed.
Depress the expression pedal.
No sound from the satellite speakers
The [Select/Menu] knob (Satellite Volume) is set to “0.”
Adjust the [Select/Menu] knob (Satellite
Volume).
Volume).
The satellite speaker cable connector is not connected correctly.
Correctly connect the satellite speaker
cable connector.
cable connector.
Pedalboard does not sound
The pedalboard cable is not connected correctly.
Correctly connect the pedalboard cable.
No sound
(when connected to external
equipment)
(when connected to external
equipment)
The power to the connected external equipment is not switched
on.
on.
Switch on power to the connected
external equipment, in the correct
order.
external equipment, in the correct
order.
The “Aux In Volume” is set to “0”
Adjust the “Aux In Volume” setting.
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