Casio LK-73 Owner's Manual

Also see for LK-73: User guide Owner's manual

Contents

TroubleshootingE-59TroubleshootingProblem Possible Cause Action See PageNo keyboard Sound 1. Power supply problem.2. Power is not turned on.3. Volume setting is too low.4. The MODE switch is in the CASIOCHORD or FINGERED position.5. LOCAL CONTROL is off.6. MIDI data has changed theVOLUME and EXPRESSIONsettings to 0.1. Correctly attach the AC adaptor,make sure that batteries (+/–) arefacing correctly, and check tomake sure that batteries are notdead.2. Press the POWER button to turnon power.3. Use the VOLUME slider toincrease volume.4. Normal play is not possible on theaccompaniment keyboard whilethe MODE switch is set to CASIOCHORD or FINGERED. Changethe MODE switch setting toNORMAL.5. Turn on LOCAL CONTROL.6. Adjust both parameters.Pages E-13,E-14Page E-18Page E-18Page E-22Page E-54Page E-57Any of the following symptomswhile using battery power. Dim power indicator Instrument does not turn on Display that is flickering, dim, ordifficult to read Abnormally low speaker/headphone volume Distortion of sound output Occasional interruption of soundwhen playing at high volume Sudden power failure whenplaying at high volume Flickering or dimming of thedisplay when playing at highvolume Continued sound output evenafter you release a key A tone that is totally different fromthe one that is selected Abnormal rhythm pattern andSong Bank play Dimming of keyboard lights whennotes sound Loss of power, sound distortion,or low volume when playing froma connected computer or MIDIdeviceLow battery power Replace the batteries with a set ofnew ones or use the AC adaptor.Pages E-13,E-14Auto Accompaniment does notsound.Accompaniment volume is set to 000. Use the ACCOMP VOLUME buttonto increase the volume.Page E-27Sound output does not change whenkey pressure is varied.Touch response is turned off. Press the TOUCH RESPONSEbutton to turn it on.Page E-49641A-E-061A