Yamaha KX-493 Owner's Manual - Page 16
TROUBLESHOOTING, Fault, Cause - test
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TROUBLESHOOTING If your cassette deck fails to operate normally, check the following table. It lists common operating errors and simple measures which you can take to correct the problem. If it cannot be corrected, or the symptom is not listed, disconnect the deck's power cord and contact your authorized YAMAHA dealer or service center for help. Fault Cause Cure Tape doesn't move in recording or playback. It happens that this unit does not work normally. ÷ Power plug is not properly plugged in. ÷ End of tape. ÷ Cassette shell is warped or damaged. ÷ There is an influence of strong external noise (lightning, excessive static electricity, etc.) or a misoperation was performed while using this unit. ÷ Reinsert plug properly. ÷ Rewind tape or flip it over. ÷ Do not play damaged tapes. ÷ Turn this unit power off and disconnect the AC power from the AC outlet. After about 30 seconds have passed, connect the power and try again. REC/PAUSE button fails to function. ÷ No cassette tape loaded. ÷ Protective tabs are broken off. ÷ Load a cassette tape. ÷ Change tape or cover protective hole with adhesive tape. Sounds become faint and sometimes inaudible. Recorded sound is distorted. ÷ Head is dirty. ÷ Head is magnetized. ÷ Tape is damaged or of poor quality. ÷ Tape is bad (stretched or deformed, etc.). ÷ Cassette shell is warped. ÷ Recording level is too high. ÷ Clean head. ÷ Demagnetize head using head demagnetizer. ÷ Change to a different tape. ÷ Replace with a fresh tape. ÷ A warped cassette shell cannot be fixed. Replace with another tape and test. ÷ Check input level with signal level meter and use lower rec level when recording. Tape is playing back, but no sound is heard. Excessive noise. ÷ Faulty connection between deck and stereo amplifier/receiver. ÷ Head is dirty. ÷ Head is magnetized. ÷ Worn out or poor quality tape. ÷ Connection(s) improperly made. ÷ Affected by external electrical noise. ÷ Check and secure connections. ÷ Clean head. ÷ Demagnetize head with head demagnetizer. ÷ Change to better tape. ÷ Check input and output connections and reinsert properly. ÷ Move away from electrical appliances (TV, fluorescent light, electric blanket, etc.). Excessive wow (wavering of the sound). Tape stops in the middle of recording or playback. Fails to record. ÷ Dirty capstan, pinch roller, etc., or poor tape. ÷ Tape is wound unevenly. ÷ Slack tape, or tape spillage wound around capstan. ÷ REC LEVEL control is set to too low. ÷ Protective tabs are broken off. ÷ Clean capstan and pinch roller, or change to better tape. ÷ Rewind tape. ÷ Insert pencil in hole in cassette shell and turn to take up slack. ÷ Adjust REC LEVEL control. ÷ Change tape or cover protective hole with adhesive tape. Search does not operate. High frequencies in the playback sound are emphasized and unpleasant to listen to, and noise level (hiss) is also high. ÷ Recorded section is too short. ÷ Recorded section has low-level portions. ÷ Conversation, etc. has been recorded. ÷ Dolby NR-recorded tape is played back in OFF position. ÷ Blank sections must be at least 4 seconds long. ÷ No remedy ÷ No remedy ÷ Play back in appropriate Dolby NR position. 16