Casio CTK-591 User Manual

Also see for CTK 591 - Full-Size 61 Key Keyboard: Service manual

Contents

Casio CTK-591 User Manual Manual pdf 61 page image

E-59Problem Possible Cause See pageActionNo keyboard soundAny of the following symptomswhile using battery power.• Dim power supply indicator• Instrument does not turn on.• Dim, difficult to read display• Abnormally low speaker/headphone volume• Distortion of sound output• Occasional interruption ofsound when playing at highvolumes• Sudden power failure whenplaying at high volumes• Dimming of the display whenplaying at high volume• Continued sound output evenafter you release a key• A totally different tone maysound• Abnormal rhythm pattern anddemo tune play• Abnormally low microphonevolume• Distortion of microphone input• Dim power supply indicatorwhen a microphone is used• Sudden power failure whenusing the microphone• Loss of power, sound distortion,or low volume when playingfrom a connected computer orMIDI deviceAuto Accompaniment does notsound.Sound output does not changewhen key pressure is varied.1. Power supply problem.2. Power is not turned on.3. Volume setting is too low.4. The MODE switch is in theCASIO CHORD or FINGEREDposition.5. LOCAL CONTROL is off.6. MIDI data has changed theVOLUME and EXPRESSIONsettings to 0.Low battery powerAccompaniment volume is set to000.Touch response is turned off.PagesE-14,15Page E-19Page E-19Page E-35Page E-54Page E-57PagesE-14, 15Page E-49Page E-48Troubleshooting1. Correctly attach the AC adaptor,make sure that batteries poles(+/–) are facing correctly, andcheck to make sure that batteriesare not dead.2. Press the POWER button to turnon power.3. Use the VOLUME slider toincrease volume.4. Normal play is not possible onthe accompaniment keyboardwhile the MODE switch is set toCASIO CHORD or FINGERED.Change the MODE switchsetting to NORMAL.5. Turn on LOCAL CONTROL.6. Adjust both parameters.Replace the batteries with a set ofnew ones or use the AC adaptor.Use the SETTING button toincrease the volume.Press the SETTING button to turnit on.704A-E-061ACTK591_e_59-63.p65 03.10.7, 4:27 PM59