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Roland HP702 - Troubleshooting; Piano Sound Issues; Resonance and Tone Issues

Roland HP702
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29
° Troubleshooting
Problem Items to check Cause/Action Page
Problems with the pianos sound
No sound
Is the volume turned down? Raise the volume.
p. 6
Could headphones or an adaptor
plug be inserted in the Phones jack?
If headphones or an adaptor plug are inserted in the headphones
jack, sound is not output from the speakers.
If you want sound to be produced from headphones or external speakers, is the device connected correctly?
p. 4
Could the “Local Control” setting be
turned “O”?
In function mode, turn the “Local Control” setting On.
p. 26
Pitch of the keyboard or
song is incorrect
Could you have made Transpose
settings?
Press the [Transpose] button to cancel transposition.
p. 11
Is the Master Tune setting
appropriate?
When shipped from the factory, the reference pitch is set to “442.0
Hz. Check the “Master Tuning setting of the Piano Designer function.
p. 16
Is the setting for the Temperament
correct?
When shipped from the factory, the tuning is set to “Equal
temperament. Check the “Temperament” setting of the Piano
Designer function.
p. 17
Is the Single Note Tuning setting
appropriate?
Check the Piano Designer functions “Single Note settings.
p. 18
Sounds are heard twice
(doubled) when the
keyboard is played
Could “Dual Play be specied, so
that two tones are layered?
Press the [Split/Dual] button several times to make it go dark, exiting
Dual Play.
p. 10
Could the piano be connected to an
external sequencer?
If you don’t want the piano to be played from another sound module,
set your music production software’s soft thru setting to “O.
If the function mode “Local Control” setting is “On, turn the “Local
Control” setting “O.
p. 26
Reverberation remains
even if you defeat the
Ambience eect
Even if the Ambience eect is o,
the acoustic pianos own resonance
remains.
You can also reduce the resonance by lowering the “Cabinet
Resonance” value of the Piano Designer function.
p. 18
The sound of the higher
notes suddenly changes
from a certain key
This simulates the characteristics of an acoustic piano, and is not a malfunction.
The sound will change where there is a change in the number of strings per key or a transition from wound
strings to unwound strings.
When you press a key,
the sound of a note you
didn’t press is also faintly
heard
In some cases, a note you play
might cause a dierent note (whose
frequency is an integer multiple of
the rst note) to resonate, producing
the sensation that the sound has
changed; this is not a malfunction.
Lower the Piano Designer’s “Full Scale String Res. value, or turn it o.
p. 18
High-pitched ringing is
heard
If you don’t hear it through headphones:
It may be that the piano has malfunctioned. Please contact your dealer or a Roland customer service center.
If you also hear it through headphones:
To decrease the metallic ringing, adjust the following settings.
5 Ambience (p. 16)
5 Full Scale String Res. (p. 18)
Low notes sound wrong,
or are buzzy
Could the volume be set to
maximum?
If the volume is at the maximum, the sound might be distorted
depending on how you play the piano. If this occurs, lower the
volume.
p. 6
If you also hear it through headphones:
It may be that the piano has malfunctioned. Please contact your dealer or a Roland customer service center.
If you don’t hear it through headphones:
Objects near the piano are resonating because of the high volume of sound coming from the speakers. You
can take the following measures to minimize resonances.
5 Keep the volume down.
5 Locate the speakers 10–15 cm (4–6 inch) away from walls or other surfaces.
5 Move away from the objects that are resonating.
The sound is heard
dierently depending on
the tone settings
When using “Dual play” which layers two tones, or “Split play” which produces dierent tones in the left-
hand and right-hand, the sound might be heard dierently depending on the specic combination. For
some combinations, the eect is not applied to the left-hand tone or to tone 2, but this is not a malfunction.

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