Troubleshooting - Yamaha PF-500 Owner's Manual

Troubleshooting

Problem
The power of the PF-500 does not
turn on.
There is a clicking noise when you
press [POWER] to turn the power
on or off.
Noise is heard from the PF-500.
The overall volume is too low. Or,
there is no sound at all.
The keyboard volume is lower than
the song playback volume.
Sound is still heard from the speak-
ers even though headphones are
plugged in.
Damper pedal does not function, or
notes are sustained even though
the damper pedal is not pressed.
94
PF-500
Cause
The power cable is not plugged in
(check at the PF-500 and at the
electrical outlet).
This is caused by the electrical
power within the instrument.
A portable telephone is being used
near the PF-500 (or the ring tone is
sounding).
The [MASTER VOLUME] is low-
ered.
Headphones are connected (only if
the Speaker setting is "Normal
HeadphoneSW"). (page 85)
Speaker setting is off.
Local Control is turned off.
"Expression" is assigned to one of
the right, center, and left pedals.
The volume level for the keyboard
performance is set too low.
Speaker setting is On.
The plug of the pedal unit is not
inserted into the [PEDAL] jack.
Solution
Insert the power cable plug firmly
into the PF-500 and into the electri-
cal outlet of the correct voltage.
(page 15)
This is not a malfunction.
Turn off the power of the portable
telephone located near the PF-500.
Noise may be heard if a portable
telephone is used near the PF-500
or if the ring tone occurs.
Raise [MASTER VOLUME].
(page 16)
Disconnect the headphone plug.
Set [Speaker] to "Normal" or "ON".
(page 85)
Set Local control ON. (page 79)
Assign any function other than
"Expression" to the pedal.
Move [SONG BALANCE] toward
the keyboard to increase the key-
board volume.
Set the speaker setting to "Normal
(HeadphoneSW)". (page 85)
Insert the plug firmly into the
[PEDAL] jack. (page 14)