Casio CTK-230 User Manual

Also see for CTK-230: Service manual User guide

Casio CTK-230 User Manual Manual pdf 34 page image

E-32No keyboard SoundAny of the followingsymptoms while usingbattery power.• Dim power indicator• Instrument does not turnon• Display that is flickering,dim, or difficult to read• Abnormally low speaker/headphone volume• Distortion of sound output• Occasional interruption ofsound when playing athigh volume• Sudden power failurewhen playing at highvolume• Flickering or dimming ofthe display when playingat high volume• Continued sound outputeven after you release a key• A tone that is totallydifferent from the one thatis selected• Abnormal rhythm patternand Song Bank playAuto Accompaniment doesnot sound.1. Power supply problem.2. Power is not turned on.3. Volume setting is too low.4. The POWER/MODEswitch is in the CASIOCHORD or FINGEREDposition.Low battery powerAuto accompaniment volumeis set to 0.1. Correctly attach the ACadaptor, make sure thatbatteries poles (+/–) arefacing correctly, and checkto make sure that batteriesare not dead.2. Set the POWER/MODEswitch to the NORMALposition.3. Use the MAIN VOLUMEbuttons to increase volume.4. Normal play is not possibleon the accompanimentkeyboard while thePOWER/MODE switch isset to CASIO CHORD orFINGERED. Change thePOWER/MODE switchsetting to NORMAL.Replace the batteries with aset of new ones or use the ACadaptor.Use the ACCOMP VOLUMEbutton to increase the volume.Problem Possible Cause ActionPagesE-13, 14Page E-17Page E-17Page E-17PagesE-13, 14Page E-24See277A-E-034ATroubleshootingCTK230_E32-35.p65 03.10.7, 2:02 PM32