Yamaha Comprehensive Troubleshooting Guide for PSR 140 Keyboard
Page 42

TROUBLESHOOTING

Problem

Possible Cause and Solution

 

 

When the PortaTone is turned on or off, a

This is normal and indicates that the PortaTone is receiving

popping sound is temporarily produced.

electrical power.

 

 

When using a mobile phone, noise is

Using a mobile phone in close proximity to the PortaTone

produced.

may produce interference. To prevent this, turn off the

 

mobile phone or use it further away from the PortaTone.

 

 

The sound of the voices or rhythms seems

The battery power is too low. Replace the batteries. (See

unusual or strange.

page 9.)

 

 

There is no sound even when the key-

Check that nothing is connected to the PHONES/OUTPUT

board is played or when a Song is being

jack on the rear panel. When a set of headphones is

played back.

plugged into this jack, no sound is output.

 

 

When one of the PIANO styles is selected

This is normal; the accompaniment of the style can only be

and started, the rhythm cannot be heard.

heard when accompaniment is set to ON and keys are

 

played in the ACMP section of the keyboard.

 

 

Not all notes are heard when playing a

Too many keys are pressed at the same time. The

number of notes simultaneously.

PortaTone is polyphonic up to a maximum of 16 notes.

 

 

The Pad sound is cut off or sounds

The PortaTone is polyphonic up to a maximum of 16

unusual.

notes. If a style or song is playing back at the same time a

 

Pad is played, some notes/sounds of the Pad may be

 

omitted (or “stolen”) from the accompaniment or song.

 

 

The sound of the voice changes from

The AWM tone generation method uses multiple record-

note to note.

ings (samples) of an instrument across the range of the

 

keyboard; thus, the actual sound of the voice may be

 

slightly different from note to note.

 

 

The melody part of the song doesn’t play.

Check that Melody Guide is turned off.

 

 

The song plays back to a certain point

Check that Melody Guide is not set to “Waiting.”

and then pauses.

 

 

 

The notes shown in the music staves and

When auto accompaniment is on, the display shows the

keyboard diagram in the display do not

specific notes of the chords you play in the ACMP section

match the keys actually played.

of the keyboard. If you play a single finger chord, or an

 

inversion of a chord, the corresponding chord will be

 

appropriately displayed — even if the display does not

 

exactly match the pressed keys.

 

 

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Contents Page Special Message Section Precautions Contents Congratulations on your purchase Yamaha PSR-140 PortaToneMain Features Yamaha Education SuitePanel Controls and Terminals Front PanelSong button Power switch STANDBY/ON Master Volume dialOverall buttons t, + Voice buttonRear Panel DC in 10-12V jack Midi IN, OUT terminalsPHONES/OUTPUT jack Using Batteries Setting UPUsing an AC Power Adaptor When the Batteries Run DownUsing Headphones Connecting a Keyboard Amplifier or Stereo SystemUsing the Midi Terminals Getting Started Playing the Demo Songs First, turn on the powerSet the Volume Press the Demo buttonPanel Display Indications Press the piano-shaped Portable Grand button Using the MetronomePortable Grand Change the valueSetting the Metronome Time Signature Adjusting the Metronome VolumeSelecting and Playing a Voice Selecting and Playing Voices Voice ModeSelect the Voice mode GrandPnoUsing the numeric keypad TrombonePercussion Voice Chart Play the selected voiceSelect the Transpose function in the Overall menu Transpose and TuningTranspose TransposTuning Select the Tuning function in the Overall menuTuning Selecting and Playing a Song Selecting and Playing Songs the Song ModeSelect the Song mode Select the desired song numberChanging the Tempo Select the Tempo function in the Overall menu116 About the Beat DisplayAdjusting the Song Volume Select the Song Volume function in the Overall menuSongVol Song Controls RepeatRepeat Set point B the end point of the section Pause or stop playback as neededTurn off the A/B Repeat func- tion Set the Melody Guide function Melody GuideSelect a song WaitingChange the Voice directly Change the Voice Change settingVoice Change VC OnSelecting and Playing a Style Selecting and Playing Styles the Style ModeSelect the Style mode 8BtPopStart the selected style Intro³AStyle Controls Stop the styleTurn on the auto accompaniment Using the Auto Accompaniment FeaturesChange chords using the auto accompaniment feature Select and play a styleAdjusting the Accompaniment Volume Style Sections Main A, Main B and FILL-INSAcmpVol Fingered Chords Using Auto Accompaniment Multi FingeringSingle Finger Chords Fingered Chords in the Key of CWhat is a CHORD? Intervals of the Scale Other ChordsSelect a style ONE Touch Setting OTSTurn on the One Touch Setting function OTS OnSelect the Smart Chord Guide Chord GuideSmart Set the desired keyPlayed notes Actual chords Dict DictionarySpecify the root of the chord Play the chordPianist1 Multi PadsSelect the Pad function in the Overall menu Select the desired bankMidi About MidiHow Can Midi be Used? Troubleshooting Problem Possible Cause and SolutionVoice List Voice List Multi PAD List LCDMidi Implementation Chart Midi Implementation ChartMidi Implementation Chart Specifications MidiIndex MiscLimited Warranty North America G., EMI Division 1999 Yamaha Corporation
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