Yamaha PSR-330 - Manual (Page 75)

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Troubleshooting
Something not working as it should? In many cases what appears to be a malfunction can
be traced to a simple error that can be remedied immediately. Before assuming that your PSR-
330 is faulty, please check the following points.
PROBLEM POSSIBLE CAUSE/SOLUTION
The speakers produce a “pop” sound whenever the power is
turned ON or OFF.
This is normal and is no cause for alarm.
The volume is reduced or the sound is distorted.
The registration memory doesn’t work properly.
Recorded song data will not play back properly.
The display goes bland and all panel controls are reset.
The batteries probably need to be replaced. Either replace all six
batteries, or use an AC power adaptor.
No sound when the keyboard is played.
The R1/R2/L voice volume settings could be set too low. Make
sure the voice volumes are set at appropriate levels (page 58).
The Local Control function could be turned off. Make sure Local
Control is turned on (page 70).
Not all simultaneously-played notes sound.
Auto Accompaniment seems to “skip” when the keyboard is
played.
You are probably exceeding the maximum polyphony of the
PSR-330. The PSR-330 can play up to 31 notes at the same
time — including split, dual, auto-accompaniment, song, and
multi pad notes. Notes exceeding this limit will not sound.
Auto Accompaniment doesn’t sound when started.
The MIDI Clock mode may be set to “on”. Make sure it is turned
“off” (page 70).
Auto accompaniment won’t function properly. No lower key-
board sound.
Make sure that all accompaniment tracks are turned on, and that
the they are all set to appropriate volume levels.
Make sure you are using fingerings recognized by the selected
fingering mode, and are playing in the Auto Accompaniment
section of the keyboard.
Are you sure you’re playing in the Auto-Accompaniment section
of the keyboard? Make sure that the Auto Accompaniment split
point is set appropriately (page 27).
Are you playing chords that the PSR-330 can recognize (see
chord types on page 29~)?
The Harmony function will not turn on.
Harmony cannot be turned on when the FULL KEYBOARD
fingering mode is selected or if a percussion kit voice is selected.
Select an appropriate fingering mode or voice.
A cartridge style or song cannot be selected or will not play
properly.
Make sure that an appropriate Yamaha Music Cartridge is
properly plugged into the cartridge slot (page 55), or the car-
tridge contacts are dirty. Try re-inserting the cartridge. If the
contacts are dirty removing and inserting the cartridge several
times will sometimes solve the problem. If this doesn’t work, try
wiping the cartridge connectors carefully with a soft, dry cloth.
Operation of the sustain pedal is reversed.
Sustain pedal operation will be reversed if you turn on the power
or plug in the pedal while pressing the pedal. For normal
operation turn off the power then turn it back on while the pedal
is not pressed.
Individual registration or song memory data transmitted via bulk
dump from an external sequencer or other device is not received
by the PSR-330.
Transmit the data with no more than a 2-second break between
blocks, or transmit as entirely separate data.
Certain notes sound at the wrong pitch.
Make sure that the scale tuning value for those notes is set to “0”
(page 64).