Appendices; Troubleshooting - Roland HP-201 Owner's Manual

Appendices

Troubleshooting

If you think there's a problem, read this first.
Case
The power doesn't
Is the power cord connected and plugged in
come on correctly? (p. 12)
The button doesn't
Is the panel locked? (p. 35)
Turn the power off, then back on.
work
Is the volume level of the HP201 turned all the
way down? (p. 14)
Are headphones plugged in? (p. 13)
Has a plug remained connected to the Phones
jack?
Plugging headphones or other plugs into the
headphone jack stops sounds from playing
through the speakers.
No sound is heard
Is Local Off selected?
When Local Control is set to Off, no sound is
produced by playing the keyboard. Set Local
Control to "On" (p. 39).
Is V-LINK switched on?
While V-LINK is switched on, no sound is
produced when you press any of the twelve
keys at the left end of the keyboard (p. 35).
Have all devices been switched on?
No sound is heard
(when a MIDI
Are the MIDI cables connected correctly?
instrument is
Does the MIDI channel match the connected
connected)
instrument? (p. 38)
Is the HP201 in Dual play? (p. 17)
Sounds are heard
When the HP201 is connected to an external
twice (doubled)
sequencer, set it to the Local OFF mode
when the keyboard
(p. 39).
is played Alternatively, the sequencer could be set so its
MIDI Thru feature is OFF.
Is the panel locked? (p. 35)
Tone doesn't change
Turn the power off, then back on.
The maximum number of notes that the
HP201 can play simultaneously is 128.
Not all played notes
Frequent use of the damper pedal when
are sounded playing along with a song may result in
performance data with too many notes,
causing some notes to drop out.
Have you set Transpose? (p. 23)
The tuning or pitch of
Are the settings for the "Temperament" (p. 33)
the keyboard or and "Stretch Tuning" (p. 34) correct?
song is off
Is the setting for the "Master Tuning" correct?
(p. 32)
Depressing a pedal
Is the pedal connected correctly?
has no effect, or the
Make sure the pedal cord is securely
pedal effect doesn't connected to the pedal jack on the bottom of
the unit, at the rear (p. 12).
stop
Adjust the adjuster underneath the pedal so
The pedal rattles
that the adjuster presses firmly against the
floor surface (p. 14).
Cause/Remedy
Case
On an acoustic piano, notes in the upper one
and a half octaves of the keyboard continue
to sound until they decay naturally, regardless
In the upper range,
of the damper pedal. There is a difference in
the sound changes
the timbre as well. Roland pianos faithfully
abruptly beyond a
simulate such characteristics of the acoustic
certain key
piano. On the HP201, the range that is
unaffected by the damper pedal will change
depending on the Transpose setting.
When listening through headphones:
Some of the more flamboyant and
effervescent piano tones feature an ample
high-end component, which may make
the sound appear to have metallic
reverberation added. Since this
reverberation becomes particularly
A High-pitched
audible when supplemented by heavy
reverb, you may be able to diminish the
whine is produced
problem by reducing the amount of
reverb applied to the sound.
When listening through speakers:
Here, a different cause (such as
resonance produced by the HP201)
would be suspect. Consult your Roland
dealer or nearest Roland Service Center.
When listening through speakers:
Playing at loud volumes may cause
instruments near the HP201 to resonate.
Resonation can also occur with
fluorescent light tubes, glass doors, and
other objects. In particular, this problem
occurs more easily when the bass
component is increased, and when the
The bass range
sound is played at higher volumes. Use
sounds odd, or there
the following measures to suppress such
resonance.
is a vibrating
• Place speakers so they are 10–15 cm
resonance
from walls and other surfaces.
• Reduce the volume.
• Move the speakers away from any
resonating objects.
When listening through headphones:
Here, a different cause would be suspect.
Consult your Roland dealer or nearest
Roland Service Center.
The volume level of
Could you be using a connection cable that
the instrument
contains a resistor?
connected to Input Use a connection cable that does not contain
a resistor.
jacks is too low
Cause/Remedy
41