Roland HP Manuale Utente
89
Troubleshooting
General Problems
Symptom
Cause/Action
See Page
Power does not turn on
Is the power cord connected correctly?
Nothing appears in the display
Are the analog RGB cable and backlight cable connected correctly?
Since the HPi-7F’s display is an LCD, characters may not be displayed if the ambient temperature is
below 0 degrees centigrade.
—
Unable to read from/write to USB memory
Are you using (optional) Roland USB memory?
Reliable performance cannot be guaranteed if you use non-Roland USB memory products.
Reliable performance cannot be guaranteed if you use non-Roland USB memory products.
—
Change the External Memory setting.
“Buzz” is heard from external devices
Are the external devices connected to more than one AC power outlet?
If you connect external devices, be sure to connect them to the same AC outlet.
If you connect external devices, be sure to connect them to the same AC outlet.
—
The volume level of the instrument
connected to Input jack is too low .
Could you be using a connection cable that contains a resistor?
Use a connection cable that does not contain a resistor.
Use a connection cable that does not contain a resistor.
—
Buttons don’t work
Could the Panel Lock function be active?
No sound
Symptom
Cause/Action
See Page
No sound
Is the speaker cable connected correctly?
Could the HPi-7F’s volume or the volume of the connected equipment be turned down?
Could headphones be connected?
Could there be a plug inserted in a headphone jack?
The speakers will not produce sound if headphones or plug are connected to the headphone jacks.
Could there be a plug inserted in a headphone jack?
The speakers will not produce sound if headphones or plug are connected to the headphone jacks.
Has Local Control been set to “Off”?
When Local Control is set to Off, no sound is produced by playing the keyboard. Set Local Control
When Local Control is set to Off, no sound is produced by playing the keyboard. Set Local Control
to On.
Could Twin Piano mode be set to “Individual”?
If headphones are connected when Twin Piano is “On” and the mode is set to “Individual,” notes
If headphones are connected when Twin Piano is “On” and the mode is set to “Individual,” notes
played in the lefthand keyboard zone will not be heard from the headphones connected to the
right Phones jack. Similarly, notes played in the right-hand keyboard zone will not be heard from
the headphones connected to the left Phones jack.
No sound when you play back a song
Has Local Control been set to “Off”?
When Local Control is set to Off, no sound is produced by playing the song. Set Local Control to On.
When Local Control is set to Off, no sound is produced by playing the song. Set Local Control to On.
No sound from the leftmost notes of the
keyboard
Is V-LINK switched on?
When V-LINK is on, the lowest twelve notes of the keyboard are used to control the image, and will
When V-LINK is on, the lowest twelve notes of the keyboard are used to control the image, and will
not produce sound.
No sound
(when a MIDI device is connected)
(when a MIDI device is connected)
Are all devices powered on?
Are the MIDI cables connected correctly?
Do the MIDI channels of the HPi-7F and the connected device match?
Notes don’t sound right
Symptom
Cause/Action
See Page
Sound is not loud enough
Only the high sounds are heard
Only the high sounds are heard
Is the speaker cable connected correctly?
Pitch of the keyboard or song is incorrect
Could you have made Transpose settings?
Is the Master Tune setting appropriate?
Is the setting for the Temperament correct?
Is the settings for the Stretch Tuning correct?
Not all the notes you play are sounded
The maximum simultaneous polyphony is 128 voices. If you are playing along with a song and
making heavy use of the damper pedal, the number of notes the HPi-7F is attempting to produce
may exceed the maximum polyphony, meaning that some of the notes will drop out.
—
Sounds are heard twice (doubled) when the
keyboard is played
Is the HPi-7F in Dual play?
When the HPi-7F is connected to an external sequencer, set the Local Control to off. Alternatively,
the sequencer could be set so its Soft Thru feature is Off.
Appendix