Yamaha KX-393 Owner'S Manual Download Page 16

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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.

Cure

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.

Load a cassette tape.

Change tape or cover protective hole
with adhesive tape.

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.

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.).

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.

Blank sections must be at least 4
seconds long.

No remedy

Play back in appropriate Dolby NR
position.

Fault

Tape doesn’t move in recording or
playback.

It happens that this unit does not work
normally.

REC/PAUSE button fails to function.

Sounds become faint and sometimes
inaudible.

Recorded sound is distorted.

Tape is playing back, but no sound is
heard.

Excessive noise.

Excessive wow (wavering of the
sound).

Tape stops in the middle of recording
or playback.

Fails to record.

Search does not operate.

High frequencies in the playback
sound are emphasized and unpleasant
to listen to, and noise level (hiss) is
also high.

Cause

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.

No cassette tape loaded.

Protective tabs are broken off.

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.

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.

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.

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.

Summary of Contents for KX-393

Page 1: ...S ADJUST LEVEL PHONES 0 0 REPEAT TUNING OFF 0 M FULL AUTO TAPE TIMER OFF REC PLAY KX 493 KX 393 Natural Sound Stereo Cassette Deck Platine à cassette stéréo de la série Natural Sound NATURAL SOUND STEREO CASSETTE DECK KX 393 DOLBY NR OFF B C MPX AUTO TAPE TUNING COUNTER MEMORY RESET REC LEVEL BALANCE MIN MAX L R 0 MIN MAX EJECT PLAY TRIM BIAS ADJUST LEVEL PHONES INTRO SCAN REC PAUSE MUTE SEARCH 0 ...

Page 2: ...g or similar surfaces that may block the ventilation openings or placed in a built in installation such as a bookcase or cabinet that may impede the flow of air through the ventilation openings 9 Heat The unit should be situated away from heat sources such as radiators stoves or other units that produce heat 10 Power Sources The unit should be connected to a power supply only of the type described...

Page 3: ...al model only The voltage selector on the rear panel of this unit must be set for your local mains voltage BEFORE plugging in the AC mains supply Voltage selector adjustable between 110 120 220 240 V AC Note Please check the copyright laws in your country to record from records compact discs radio etc Recording of copyright material may infringe copyright laws FOR CANADIAN CUSTOMERS TO PREVENT ELE...

Page 4: ...odulation beat distortion that can occur between the recording bias and the recording signal s high frequency content KX 493 only FEATURES TABLE OF CONTENTS Play Trim Control for improved playback compatibility with other decks 0 M FULL Repeat Playback KX 493 only Selection Search and Bi Directional Intro Scan Recording Mute function CONNECTIONS TAPE PB REC OUT L R LINE OUT PLAY LINE IN REC L R To...

Page 5: ...nit on Press again to set it to the standby mode Please note that this unit is designed to consume a very small quantity of power when set to the standby mode See next page NATURAL SOUND STEREO CASSETTE DECK KX 493 YAMAHA GF Head Cassette Stabilizer EJECT INTRO SCAN REC PAUSE MUTE SEARCH STANDBY ON DOLBY NR OFF B C MPX COUNTER MEMORY RESET REC LEVEL BALANCE MIN MAX L R 0 MIN MAX PLAY TRIM BIAS ADJ...

Page 6: ...PX OFF For a tape recorded with DOLBY C NR Only the C indicator lights B MPX ON available only for recording C MPX ON available only for recording OFF For a tape recorded with DOLBY NR OFF No indicator lights Note The MPX filter settings are explained on page 9 PLAY TRIM control adjustment When the level of high frequencies is too boosted or absent while playing a tape recorded on another cassette...

Page 7: ...e reverse direction To play back each selection in the forward direction To resume normal playback when the desired selection is found Notes on Selection search and Intro scan The blank interval between selections must be at least 4 seconds Selection search and Intro scan may not operate properly with tapes recorded with a low record level or with excessive noise MUTE SEARCH MUTE SEARCH MUTE SEARC...

Page 8: ...peat Full repeat OFF 0 M a section repeat With this function a desired section can be played repeatedly up to 8 times 1 Press the REPEAT OFF 0 M FULL button so that the REPEAT 0 M indicator lights 2 Press the RESET button at the beginning of the section you want to play repeatedly The counter on the display is reset to 0000 3 Press the MEMORY button at the end of the section during playback The ME...

Page 9: ...G KX 493 KX 393 MIN MAX L R 0 LEVEL OFF B C MPX See next page NATURAL SOUND STEREO CASSETTE DECK KX 493 YAMAHA GF Head Cassette Stabilizer EJECT INTRO SCAN REC PAUSE MUTE SEARCH STANDBY ON DOLBY NR OFF B C MPX COUNTER MEMORY RESET REC LEVEL BALANCE MIN MAX L R MIN MAX PLAY TRIM BIAS ADJUST LEVEL PHONES 0 REPEAT TUNING OFF 0 M FULL AUTO TAPE TIMER OFF REC PLAY 1 4 BIAS ADJUST COUNTER MEMORY COUNTER...

Page 10: ...ator lights After completion of Auto Tape Tuning the tape automatically rewinds to the point where the Auto Tape Tuning began and the REC PAUSE mode is engaged The bias adjustment with the BIAS ADJUST control is possible even after this tuning To clear Auto Tape Tuning setting press the AUTO TAPE TUNING button once again or load any cassette tape of different type When recording on the other side ...

Page 11: ...DJUST control counterclockwise Setting the recording level in step 5 Play the loudest passage of the source to be recorded and watch the meter readings Adjust the REC LEVEL control so that the highest peak may not exceed the optimum levels of each tape type Normally it is best to adjust the BALANCE control such that the LEFT and RIGHT meter readings are even 1 2 3 Frequency Hz Output Level dB 1 In...

Page 12: ...E SEARCH STANDBY ON DOLBY NR OFF B C MPX COUNTER MEMORY RESET REC LEVEL BALANCE MIN MAX L R MIN MAX PLAY TRIM BIAS ADJUST LEVEL PHONES 0 REPEAT TUNING OFF 0 M FULL AUTO TAPE TIMER OFF REC PLAY MUTE SEARCH COUNTER RESET 0 0 Tape counter DOLBY HX PRO DYNAMIC BIAS SERVO SYSTEM This unit incorporates the Dolby HX Pro system which automatically controls the effective bias to reduce distortion and noise...

Page 13: ...rn on the amplifier receiver and adjust the volume and tone controls 2 Set the input mode selector of your amplifier receiver to the cassette deck function mode 3 Set the timer to the time you wish to start and stop playback 4 Set the TIMER switch to the PLAY position 5 At the preset time the timer will turn power on to the amplifier receiver and cassette deck and begin playback It will shut power...

Page 14: ...h will result in an unnatural high frequency emphasis This effect may be compensated for somewhat by adjusting the BIAS ADJUST to the plus direction during recording or by using the PLAY TRIM control and or the tone controls of your amplifier receiver during playback PROTECTING YOUR RECORDINGS All cassette tapes are provided with erasure protection holes to prevent accidental erasure of recorded c...

Page 15: ... is dependent upon periodic cleaning of the heads capstan pinch roller and all surfaces over which the tape travels Normal use will cause an accumulation of dirt and dust on the heads capstans and pinch rollers This can lead to poor sound quality drop outs intervals with no sound unsteady tape speed loss of high frequency response etc Thus clean the heads and all surfaces over which the tape trave...

Page 16: ...be at least 4 seconds long No remedy No remedy Play back in appropriate Dolby NR position Fault Tape doesn t move in recording or playback It happens that this unit does not work normally REC PAUSE button fails to function Sounds become faint and sometimes inaudible Recorded sound is distorted Tape is playing back but no sound is heard Excessive noise Excessive wow wavering of the sound Tape stops...

Page 17: ...40 V 50 60 Hz Power Consumption 16 W KX 493 12 W KX 393 5 W Standby Dimensions W x H x D KX 493 435 x 125 5 x 278 5 mm Approx 17 1 8 x 4 15 16 x 11 KX 393 435 x 125 5 x 283 mm Approx 17 1 8 x 4 15 16 x 11 1 8 Weight KX 493 4 5 kg 9 lbs 15 oz KX 393 4 4 kg 9 lbs 11 oz Accessories Output input cord 1 pair Specifications subject to change without notice Fault Playback sound is muffled and high freque...

Page 18: ...TTERGRENS GATA 1 BOX 30053 400 43 VASTRA FRÖLUNDA SWEDEN YAMAHA MUSIC AUSTRALIA PTY LTD 17 33 MARKET ST SOUTH MELBOURNE 3205 VIC AUSTRALIA CARACTERISTIQUES TECHNIQUES Configuration des pistes 4 pistes 2 canaux stéréo Moteur KX 493 Moteur asservi CC cabestan Moteur CC à couple uniforme bobine KX 393 Moteur asservi CC Têtes Enregistrement lecture permalloy dur Tête d effacement ferrite à double entr...

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